CN114582103A - CDS raw liquid barrel empty barrel alarm device - Google Patents
CDS raw liquid barrel empty barrel alarm device Download PDFInfo
- Publication number
- CN114582103A CN114582103A CN202210201096.2A CN202210201096A CN114582103A CN 114582103 A CN114582103 A CN 114582103A CN 202210201096 A CN202210201096 A CN 202210201096A CN 114582103 A CN114582103 A CN 114582103A
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- Prior art keywords
- bucket
- movable
- barrel
- cds
- raw liquid
- 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.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 109
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000011550 stock solution Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 238000005530 etching Methods 0.000 abstract description 16
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
- G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/10—Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- ing And Chemical Polishing (AREA)
Abstract
The invention provides a CDS (compact disc system) raw liquid barrel empty alarming device, and relates to the technical field of CDS liquid supply. This empty bucket alarm device of CDS raw liquid bucket, including raw liquid bucket body, raw liquid bucket body bottom inboard is equipped with movable bucket, movable bucket and raw liquid bucket body inboard bottom sliding connection, and movable bottom of the barrel portion is equipped with spacing alarm mechanism, and spacing alarm mechanism includes buffer spring and ring baffle, and buffer spring is located movable bottom of the barrel portion and with movable bucket fixed connection, and the slip annular has been seted up to raw liquid bucket body bottom inboard surface. This empty bucket alarm device of CDS raw liquor bucket is favorable to directly reporting to the police after the empty bucket of raw liquor bucket in order to remind staff raw liquor bucket to be in empty bucket state, has promoted this empty bucket alarm device of CDS raw liquor bucket's practicality, has avoided the unable accurate content of confirming etching liquid in the raw liquor bucket of current CDS solution feed system raw liquor bucket, lacks accurate alarm device, easily produces the deviation, influence the raw liquor bucket and continue to supply liquid, can't satisfy the problem of raw liquor bucket in-service use demand.
Description
Technical Field
The invention relates to the technical field of CDS liquid supply, in particular to a CDS raw liquid barrel empty alarming device.
Background
The CDS liquid supply system is mainly used for intensively distributing etching liquid required by the procedures of wet etching cleaning and the like and distributing the etching liquid to equipment through a pipeline; has the characteristics of high automation degree, proportioning, simple and convenient operation and the like. And etching liquid is stored in a stock solution barrel of the CDS liquid supply system for supplying liquid.
The etching liquid in the prior CDS liquid supply system stock solution barrel is generally observed by manual work for the height of the liquid level, but the content of the etching liquid in the stock solution barrel can not be accurately determined only by manual observation, an accurate alarm device is lacked, deviation is easy to generate, the stock solution barrel is influenced to continue to supply liquid, and the actual use requirement of the stock solution barrel can not be met.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a CDS (compact disc system) crude liquid barrel empty alarming device which alarms the crude liquid barrel empty by arranging a limit alarming mechanism so as to solve the problems that the crude liquid barrel of the prior CDS liquid supply system cannot accurately determine the content of etching liquid in the crude liquid barrel, lacks an accurate alarming device, is easy to generate deviation, influences the continuous liquid supply of the crude liquid barrel and cannot meet the actual use requirement of the crude liquid barrel.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a CDS (content detection) raw liquid barrel empty alarming device comprises a raw liquid barrel body, wherein a movable barrel is arranged on the inner side of the bottom of the raw liquid barrel body, the movable barrel is connected with the bottom of the inner side of the raw liquid barrel body in a sliding mode, and a limiting alarming mechanism is arranged at the bottom of the movable barrel;
the limiting alarm mechanism comprises a buffer spring and an annular baffle plate, the buffer spring is positioned at the bottom of the movable barrel and is fixedly connected with the movable barrel, a sliding annular groove is formed in the surface of the inner side of the bottom of the raw liquid barrel body, the annular baffle plate is positioned on the outer side of the top of the movable barrel and is fixedly connected with the movable barrel, a movable vertical plate is fixedly connected to one side of the movable barrel, a movable push block is fixedly connected to the bottom of the movable vertical plate, a sliding vertical groove is formed in the surface of one side of the bottom of the raw liquid barrel body, a limiting transverse groove is formed in one side of the top of the sliding vertical groove, a limiting push block is arranged on one side of the bottom of the movable push block, a movable push rod is fixedly connected to one side of the limiting push block, a limiting spring is arranged on the outer side of the movable push rod, which is close to one end of the limiting push block, a fixing transverse plate is arranged at one end of the limiting spring, which is far away from the sliding vertical groove, a fixing vertical groove is arranged at one end of the limiting spring, a fixing transverse groove, the improved liquid barrel is characterized in that a contact piece is arranged on the inner side of the fixed vertical groove, one end of the movable push rod penetrates through the fixed transverse plate and is fixedly connected with the contact piece, connection pieces are arranged at two ends of one side, away from the movable push rod, of the contact piece, an alarm lamp is fixedly connected to one side of the bottom of the stock solution barrel body, an external power supply is arranged on one side of the sliding vertical groove, and the movable push rod is made of an insulating material.
Preferably, the top of the raw liquid barrel body is provided with a sealing cover, the outer side surface of the bottom of the sealing cover is provided with a threaded ring groove, and the top of the raw liquid barrel body is in threaded connection with the threaded ring groove.
Preferably, the bottom of the buffer spring is fixedly connected with the raw liquid barrel body, the number of the buffer springs is multiple, and the buffer springs are distributed in a circumferential array.
Preferably, the annular baffle is connected with the sliding ring groove in a sliding mode, and the bottom of the annular baffle is fixedly connected with a sealing ring gasket.
Preferably, the movable push block is connected with the sliding vertical groove in a sliding mode, one side of the limiting push block is matched with one side of the movable push block, and the limiting push block is connected with the limiting transverse groove in a sliding mode.
Preferably, one end of the limiting spring is fixedly connected with the limiting push block, and the fixing transverse plate is located in the middle of the limiting transverse groove and is fixedly connected with the raw liquid barrel body.
Preferably, the external power supply is located on one side of the bottom of the raw liquid barrel body, and the alarm lamp is electrically connected with the external power supply through the connecting sheet.
The invention provides a CDS (CDS liquid barrel empty alarm), which has the following beneficial effects:
the CDS crude liquid barrel empty alarming device has the advantages that the limit alarming mechanism is arranged to give an alarm when the crude liquid barrel is empty, when etching liquid in the crude liquid barrel gradually decreases, the movable barrel gradually moves upwards, the alarm lamp flashes through the limit alarming mechanism to remind workers that the crude liquid barrel is in an empty barrel state.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front perspective cut-away view of the present invention;
FIG. 3 is a schematic view of the construction of the annular baffle of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention;
fig. 5 is an exploded view of the limit alarm mechanism of the present invention.
In the figure: 1. a raw liquid barrel body; 2. a movable barrel; 3. a buffer spring; 4. an annular baffle; 5. a sliding ring groove; 6. a movable vertical plate; 7. a movable push block; 8. a sliding vertical slot; 9. a limiting transverse groove; 10. a limiting push block; 11. a movable push rod; 12. a limiting spring; 13. fixing the transverse plate; 14. fixing the vertical groove; 15. a contact piece; 16. connecting sheets; 17. an alarm light; 18. connecting an external power supply; 19. a sealing cover; 20. and sealing ring gasket.
Detailed Description
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a CDS (content addressable coding) raw liquid barrel empty alarming device, which comprises a raw liquid barrel body 1, wherein a movable barrel 2 is arranged on the inner side of the bottom of the raw liquid barrel body 1, the movable barrel 2 is connected with the bottom of the inner side of the raw liquid barrel body 1 in a sliding manner, and a limiting alarming mechanism is arranged at the bottom of the movable barrel 2;
the limiting alarm mechanism comprises a buffer spring 3 and an annular baffle 4, the buffer spring 3 is positioned at the bottom of the movable barrel 2 and is fixedly connected with the movable barrel 2, a sliding annular groove 5 is formed in the surface of the inner side of the bottom of the raw liquid barrel body 1, the annular baffle 4 is positioned on the outer side of the top of the movable barrel 2 and is fixedly connected with the movable barrel 2, a movable vertical plate 6 is fixedly connected to one side of the movable barrel 2, and a movable push block 7 is fixedly connected to the bottom of the movable vertical plate 6;
meanwhile, the movable barrel 2 drives the movable vertical plate 6 to move upwards, the movable vertical plate 6 drives the movable push block 7 to move upwards in the sliding vertical groove 8, the movable push block 7 pushes the limiting push block 10 to move in the limiting transverse groove 9, the limiting push block 10 extrudes the limiting spring 12, the limiting spring 12 generates elastic deformation and is compressed, and meanwhile, the limiting push block 10 pushes the movable push rod 11 to move;
a sliding vertical groove 8 is formed in the surface of one side of the bottom of a raw liquid barrel body 1, a limiting transverse groove 9 is formed in one side of the top of the sliding vertical groove 8, a limiting push block 10 is arranged on one side of the bottom of a movable push block 7, a movable push rod 11 is fixedly connected to one side of the limiting push block 10, a limiting spring 12 is arranged on the outer side of one end, close to the limiting push block 10, of the movable push rod 11, a fixed transverse plate 13 is arranged at one end, away from the limiting push block 10, of the limiting spring 12, a fixed vertical groove 14 is arranged at one end, away from the sliding vertical groove 8, of the limiting transverse groove 9, a contact piece 15 is arranged on the inner side of the fixed vertical groove 14, one end of the movable push rod 11 penetrates through the fixed transverse plate 13 and is fixedly connected with the contact piece 15, and connecting pieces 16 are arranged at two ends, away from the movable push rod 11, of the contact piece 15;
in the actual use process, the etching liquid in the raw liquid barrel body 1 is gradually reduced after being used, when the etching liquid is gradually and completely used, the movable barrel 2 gradually moves upwards, and the movable barrel 2 drives the annular baffle 4 to move upwards in the sliding annular groove 5;
the movable push rod 11 pushes the contact piece 15 to move, two ends of the contact piece 15 are respectively contacted with one ends of the two connecting pieces 16, after the two connecting pieces 16 are communicated, the alarm lamp 17 is communicated with the external power supply 18 to flicker so as to remind a worker that the raw liquid barrel is in an empty barrel state
The liquid barrel comprises a liquid barrel body 1, a warning lamp 17 is fixedly connected to one side of the bottom of the liquid barrel body 1, an external power source 18 is arranged on one side of a sliding vertical groove 8, the external power source 18 is located on one side of the bottom of the liquid barrel body 1, and the warning lamp 17 is electrically connected with the external power source 18 through a connecting sheet 16.
Further, former liquid barrel body 1 top is equipped with sealed lid 19, and the screw thread annular has been seted up on the surface of sealed 19 bottom outsides, and former liquid barrel body 1 top and screw thread annular threaded connection seal former liquid barrel body 1 through sealed lid 19.
Further, 3 bottoms of buffer spring and 1 fixed connection of former liquid bucket body, the quantity of buffer spring 3 sets up to a plurality ofly, and a plurality of buffer spring 3 are the circumference array and distribute, and when being full of the etching liquid in former liquid bucket body 1, etching liquid extrusion activity bucket 2, activity bucket 2 extrusion buffer spring 3, buffer spring 3 produce elastic deformation and are compressed.
Further, ring baffle 4 and 5 sliding connection of slip ring groove, 4 bottom fixedly connected with seal ring pads 20 of ring baffle, seal ring pads 20 are made by soft rubber material, and seal ring pads 20 seals ring baffle 4, prevents that the etching liquid at 1 top of stoste bucket body from permeating 2 bottoms of activity bucket.
Further, activity ejector pad 7 and 8 sliding connection in the vertical groove that slides, spacing ejector pad 10 one side and activity ejector pad 7 one side phase-match, the inclined plane of spacing ejector pad 10 bottom one side and the inclined plane phase-match of activity ejector pad 7 top one side, spacing ejector pad 10 and spacing cross slot 9 sliding connection, spacing spring 12 one end and spacing ejector pad 10 fixed connection, fixed diaphragm 13 is located spacing cross slot 9 middle part and with former liquid bucket body 1 fixed connection.
The CDS liquid barrel empty alarming device has the advantages that the structure is reasonable and simple, direct alarming is favorably carried out after the original liquid barrel is empty so as to remind the staff that the original liquid barrel is in an empty barrel state, the practicability of the CDS original liquid barrel empty barrel alarming device is improved, and the problems that the original liquid barrel cannot accurately determine the content of etching liquid in the original liquid barrel, the accurate alarming device is lacked, deviation is easy to generate, the original liquid barrel is influenced to continue liquid supply, and the actual use requirement of the original liquid barrel cannot be met in the conventional CDS liquid supply system are solved.
The implementation mode is specifically as follows:
in the actual use process, the etching liquid in the raw liquid barrel body 1 is gradually reduced after being used, when the etching liquid is gradually and completely used, the movable barrel 2 gradually moves upwards, and the movable barrel 2 drives the annular baffle 4 to move upwards in the sliding ring groove 5;
meanwhile, the movable barrel 2 drives the movable vertical plate 6 to move upwards, the movable vertical plate 6 drives the movable push block 7 to move upwards at the inner side of the sliding vertical groove 8, the movable push block 7 pushes the limiting push block 10 to move in the limiting transverse groove 9, the limiting push block 10 extrudes the limiting spring 12, the limiting spring 12 generates elastic deformation and is compressed, and meanwhile, the limiting push block 10 pushes the movable push rod 11 to move;
the movable push rod 11 pushes the contact piece 15 to move, two ends of the contact piece 15 are respectively contacted with one ends of the two connecting pieces 16, and after the two connecting pieces 16 are communicated, the alarm lamp 17 is communicated with the external power supply 18 to flicker so as to remind a worker that the raw liquid barrel is in an empty barrel state.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a CDS former liquid bucket empty bucket alarm device, includes former liquid bucket body (1), its characterized in that: the inner side of the bottom of the raw liquid barrel body (1) is provided with a movable barrel (2), the movable barrel (2) is connected with the bottom of the inner side of the raw liquid barrel body (1) in a sliding manner, and the bottom of the movable barrel (2) is provided with a limiting alarm mechanism;
the limiting alarm mechanism comprises a buffer spring (3) and an annular baffle (4), the buffer spring (3) is positioned at the bottom of the movable barrel (2) and is fixedly connected with the movable barrel (2), a sliding annular groove (5) is formed in the surface of the inner side of the bottom of the raw liquid barrel body (1), the annular baffle (4) is positioned on the outer side of the top of the movable barrel (2) and is fixedly connected with the movable barrel (2), a movable vertical plate (6) is fixedly connected to one side of the movable barrel (2), and a movable push block (7) is fixedly connected to the bottom of the movable vertical plate (6);
former liquid bucket body (1) bottom one side surface has been seted up and has been slided and erect groove (8), it is slided and erects groove (8) top one side and be equipped with spacing cross slot (9), activity ejector pad (7) bottom one side is equipped with spacing ejector pad (10), spacing ejector pad (10) one side fixedly connected with movable push rod (11), movable push rod (11) are close to spacing ejector pad (10) one end outside and are equipped with spacing spring (12), spacing ejector pad (10) one end is kept away from in spacing spring (12) is equipped with fixed diaphragm (13), spacing cross slot (9) are kept away from and are slided vertical slot (8) one end and are equipped with fixed vertical slot (14), fixed vertical slot (14) inboard is equipped with contact piece (15).
2. The CDS raw liquid barrel empty alarm device of claim 1, wherein: one end of the movable push rod (11) penetrates through the fixed transverse plate (13) and is fixedly connected with the contact piece (15), and the two ends of the contact piece (15) far away from one side of the movable push rod (11) are respectively provided with a connecting piece (16).
3. The CDS raw liquid barrel empty alarm device as claimed in claim 1, wherein: the liquid barrel is characterized in that an alarm lamp (17) is fixedly connected to one side of the bottom of the raw liquid barrel body (1), and an external power source (18) is arranged on one side of the sliding vertical groove (8).
4. The CDS raw liquid barrel empty alarm device of claim 1, wherein: the top of the raw liquid barrel body (1) is provided with a sealing cover (19), the outer side surface of the bottom of the sealing cover (19) is provided with a threaded ring groove, and the top of the raw liquid barrel body (1) is in threaded connection with the threaded ring groove.
5. The CDS raw liquid barrel empty alarm device of claim 1, wherein: buffer spring (3) bottom and former liquid barrel body (1) fixed connection, the quantity of buffer spring (3) sets up to a plurality ofly, and is a plurality of buffer spring (3) are circumference array distribution.
6. The CDS raw liquid barrel empty alarm device of claim 1, wherein: annular baffle (4) and slip annular (5) sliding connection, annular baffle (4) bottom fixedly connected with seal ring pad (20).
7. The CDS raw liquid barrel empty alarm device of claim 1, wherein: the movable push block (7) is connected with the sliding vertical groove (8) in a sliding mode, one side of the limiting push block (10) is matched with one side of the movable push block (7), and the limiting push block (10) is connected with the limiting transverse groove (9) in a sliding mode.
8. The CDS raw liquid barrel empty alarm device of claim 1, wherein: one end of the limiting spring (12) is fixedly connected with the limiting push block (10), and the fixing transverse plate (13) is located in the middle of the limiting transverse groove (9) and is fixedly connected with the stock solution barrel body (1).
9. The CDS raw liquid barrel empty alarm device of claim 3, wherein: the external power supply (18) is positioned on one side of the bottom of the stock solution barrel body (1), and the alarm lamp (17) is electrically connected with the external power supply (18) through the connecting sheet (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210201096.2A CN114582103A (en) | 2022-03-02 | 2022-03-02 | CDS raw liquid barrel empty barrel alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210201096.2A CN114582103A (en) | 2022-03-02 | 2022-03-02 | CDS raw liquid barrel empty barrel alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114582103A true CN114582103A (en) | 2022-06-03 |
Family
ID=81771094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210201096.2A Pending CN114582103A (en) | 2022-03-02 | 2022-03-02 | CDS raw liquid barrel empty barrel alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114582103A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4392128A (en) * | 1980-10-09 | 1983-07-05 | Young Jack W | Sewage back-up alarm |
| US5510771A (en) * | 1994-01-10 | 1996-04-23 | Marshall; Burpee W. | Alarm system for precluding a child from straying |
| CN203945534U (en) * | 2014-07-26 | 2014-11-19 | 浙江黄岩岩峰工贸有限公司 | There is the blow moulding machine of warning function |
| CN208706419U (en) * | 2018-09-13 | 2019-04-05 | 黑龙江吉泽电气设备有限公司 | A kind of oil tank of transformer warning device |
| CN213642378U (en) * | 2020-10-10 | 2021-07-09 | 杭州至臻香氛科技有限公司 | Essential oil residue early warning device of aromatherapy machine |
-
2022
- 2022-03-02 CN CN202210201096.2A patent/CN114582103A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4392128A (en) * | 1980-10-09 | 1983-07-05 | Young Jack W | Sewage back-up alarm |
| US5510771A (en) * | 1994-01-10 | 1996-04-23 | Marshall; Burpee W. | Alarm system for precluding a child from straying |
| CN203945534U (en) * | 2014-07-26 | 2014-11-19 | 浙江黄岩岩峰工贸有限公司 | There is the blow moulding machine of warning function |
| CN208706419U (en) * | 2018-09-13 | 2019-04-05 | 黑龙江吉泽电气设备有限公司 | A kind of oil tank of transformer warning device |
| CN213642378U (en) * | 2020-10-10 | 2021-07-09 | 杭州至臻香氛科技有限公司 | Essential oil residue early warning device of aromatherapy machine |
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Application publication date: 20220603 |