CN110006503A - A kind of novel water level sensor - Google Patents

A kind of novel water level sensor Download PDF

Info

Publication number
CN110006503A
CN110006503A CN201910212746.1A CN201910212746A CN110006503A CN 110006503 A CN110006503 A CN 110006503A CN 201910212746 A CN201910212746 A CN 201910212746A CN 110006503 A CN110006503 A CN 110006503A
Authority
CN
China
Prior art keywords
air bag
level sensor
water level
mounting plate
novel water
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.)
Pending
Application number
CN201910212746.1A
Other languages
Chinese (zh)
Inventor
王富海
李伟
徐四清
康亚男
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI USTC-GZ INFORMATION TECHNOLOGY Co Ltd
Original Assignee
ANHUI USTC-GZ INFORMATION TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ANHUI USTC-GZ INFORMATION TECHNOLOGY Co Ltd filed Critical ANHUI USTC-GZ INFORMATION TECHNOLOGY Co Ltd
Priority to CN201910212746.1A priority Critical patent/CN110006503A/en
Publication of CN110006503A publication Critical patent/CN110006503A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/16Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
    • G01F23/164Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid using a diaphragm, bellow as transmitting element

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

It is disclosed by the invention to belong to water level sensor technical field, specially a kind of novel water level sensor, including mounting plate and switch block, ripple air bag is provided in the middle part of the lower surface of the mounting plate, the lower surface two sides of the mounting plate are bolted with expansion link mechanism, the left and right sides bottom end of the ripple air bag is provided with supporting block, bottom end of the supporting block of two sides respectively with the expansion link mechanism of two sides is spirally connected, the upper surface of the mounting plate is bolted with hollow pillar stand, the hollow pillar stand is connected to ripple air bag, the upper end of the hollow pillar stand is bolted with appendix, the other end of the appendix is socketed with promotion bellows, by ripple air bag and push being used cooperatively for bellows, the mode for carrying out pneumatic transfer power can be used for a long time and can be automatically reset, the phenomenon that reducing electronic component damage;By being used cooperatively for expansion link mechanism and supporting block, ripple air bag air inlet return can be assisted.

Description

A kind of novel water level sensor
Technical field
The present invention relates to water level sensor technical field, specially a kind of novel water level sensor.
Background technique
Sensor is a kind of detection device, can experience measured information, and the information that can will be experienced, by a set pattern Rule is for conversion into electric signal or the information output of other required forms, to meet transmission, processing, storage, the display, record of information With control etc. require.The characteristics of sensor includes: micromation, digitlization, intelligence, multifunction, systematization, networking.It It is to realize the automatic primary link detected and automatically control.
Such as China Patent Publication No. is that CN207247597U discloses a kind of solar energy liquid level sensor, including liquid level passes Sensor ontology and water pump, the liquid level sensor ontology is bolted on the side of side cover, and side cover is being stored up by setting One end of water tank, the water pump is fixed on the other side of side cover, and the bottom of water pump is connected with water pipe.Currently, water in solar energy Level sensor is easy after the sensor long-time use of original electronic type by water enchroachment (invasion) for being monitored to water on inside It loses and internal circuit is caused to damage, influence normal use.It is solved for this reason, it may be necessary to design corresponding technical solution and give.
Summary of the invention
The purpose of the present invention is to provide a kind of novel water level sensors, mentioned above in the background art original to solve Electronic type sensor long-time use after be easy to be caused the damage of internal circuit by water erosion, influence normal use Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of novel water level sensor, including mounting plate and The lower surface middle part of switch block, the mounting plate is provided with ripple air bag, and the lower surface two sides of the mounting plate are bolted with Expansion link mechanism, the left and right sides bottom end of the ripple air bag are provided with supporting block, and the supporting block of two sides is respectively with two The bottom end of the expansion link mechanism of side is spirally connected, and the upper surface of the mounting plate is bolted with hollow pillar stand, the hollow pillar stand and ripple Air bag connection, the upper end of the hollow pillar stand are bolted with appendix, and the other end of the appendix is socketed with promotion bellows, institute It states and is bonded with push rod on the right side wall for pushing bellows, the right end of the push rod extends to the inner cavity of switch block;
The switch block includes switch housing and two groups of contact conductor plates being fixed on the upside of switch housing inner wall, And two groups of contact conductor plates are symmetrical arranged about the longitudinal midline of switch housing, pass through screw on the downside of the inner cavity of the switch housing It is fixedly connected with retainer ring, swing arm conductor rods is connected with by pin shaft on the retainer ring, the upper end of the swing arm conductor rods extends in Between two groups of contact conductor plates, the bottom end of the swing arm conductor rods is connect by pin shaft with push rod, the left side of the switch housing Through slot is offered on the downside of wall, the push rod runs through through slot.
As an improvement of the above technical solution, the ripple air bag is rubber corrugated air bag, and the bottom end of ripple air bag is logical It crosses bonding agent and is bonded with kickboard.
As an improvement of the above technical solution, air pressure adjustment valve is provided on the side wall of the hollow pillar stand.
As an improvement of the above technical solution, be connected with location collar on the outer wall of the appendix, and location collar with The contact position of appendix is embedded with rubber pad.
As an improvement of the above technical solution, the expansion link mechanism includes sleeve and the piston rod that is plugged on sleeve, The both ends of the sleeve and piston rod are screwed onto supporting block, on mounting plate respectively.
As an improvement of the above technical solution, the inner cavity of the sleeve is provided with reset spring, and the two of the reset spring End is respectively supported at the intracavity bottom of sleeve and the bottom of piston rod.
As an improvement of the above technical solution, the switch housing is polyethylene switch housing, and the inner wall of switch housing It is upper to be uniformly coated with polytetrafluorethylecoatings coatings.
As an improvement of the above technical solution, the upper end of the swing arm conductor rods is provided with contact conductor block, and contact is led Body block runs through swing arm conductor rods and extends to the two sides of swing arm conductor rods upper end.
Compared with prior art, the beneficial effects of the present invention are:
1) pass through ripple air bag and push being used cooperatively for bellows, the mode for carrying out pneumatic transfer power can grow The phenomenon that phase uses and can automatically reset, and reduces electronic component damage;
2) being used cooperatively by expansion link mechanism and supporting block, can assist ripple air bag air inlet return;
3) design method for passing through push rod connection switch component, carries out control switch component by mechanically operated mode Control methods, stability in use are preferable.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the structural schematic diagram of expansion link mechanism of the present invention;
Fig. 3 is the schematic diagram of internal structure of switch block of the present invention;
Fig. 4 is the structural schematic diagram of retainer ring of the present invention.
In figure: 1 mounting plate, 2 ripple air bags, 3 supporting blocks, 4 expansion link mechanisms, 41 sleeves, 42 piston rods, 43 reset bullet Spring, 5 hollow pillar stands, 6 appendixs, 7 push bellows, 8 push rods, 9 switch blocks, 91 switch housings, 92 contact conductor plates, 93 cards Circle, 94 swing arm conductor rods, 95 through slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top", The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore be not considered as limiting the invention.
Embodiment one:
Fig. 1,3,4 are please referred to, the present invention provides a kind of technical solution: a kind of novel water level sensor, including 1 He of mounting plate The lower surface middle part of switch block 9, mounting plate 1 is provided with ripple air bag 2, and the lower surface two sides of mounting plate 1 are bolted with flexible Linkage 4, the left and right sides bottom end of ripple air bag 2 are provided with supporting block 3, and the supporting block 3 of two sides is flexible with two sides respectively The bottom end of linkage 4 is spirally connected, and the upper surface of mounting plate 1 is bolted with hollow pillar stand 5, and hollow pillar stand 5 is connected to ripple air bag 2, in The upper end of empty column 5 is bolted with appendix 6, and the other end of appendix 6, which is socketed with, pushes bellows 7, pushes the right side of bellows 7 Push rod 8 is bonded on wall, the right end of push rod 8 extends to the inner cavity of switch block 9;
Switch block 9 includes switch housing 91 and two groups of contact conductor plates being fixed on the upside of 91 inner wall of switch housing 92, and two groups of contact conductor plates 92 are symmetrical arranged about the longitudinal midline of switch housing 91, it is logical on the downside of the inner cavity of switch housing 91 It crosses screw and is fixedly connected with retainer ring 93, swing arm conductor rods 94, the upper end of swing arm conductor rods 94 are connected with by pin shaft on retainer ring 93 It extends between two groups of contact conductor plates 92, the bottom end of swing arm conductor rods 94 is connect by pin shaft with push rod 8, switch housing 91 Through slot 95 is offered on the downside of left side wall, push rod 8 runs through through slot 95.
Embodiment two:
As shown in Figs 1-4, a kind of novel water level sensor, including mounting plate 1 and switch block 9, the lower surface of mounting plate 1 Middle part is provided with ripple air bag 2, and the lower surface two sides of mounting plate 1 are bolted with expansion link mechanism 4, the left and right two of ripple air bag 2 Side bottom end is provided with supporting block 3, and bottom end of the supporting block 3 of two sides respectively with the expansion link mechanism 4 of two sides is spirally connected, mounting plate 1 Upper surface be bolted with hollow pillar stand 5, hollow pillar stand 5 is connected to ripple air bag 2, and the upper end of hollow pillar stand 5 is bolted with appendix 6, the other end of appendix 6, which is socketed with, pushes bellows 7, pushes and is bonded with push rod 8, the right side of push rod 8 on the right side wall of bellows 7 End extends to the inner cavity of switch block 9;
Switch block 9 includes switch housing 91 and two groups of contact conductor plates being fixed on the upside of 91 inner wall of switch housing 92, and two groups of contact conductor plates 92 are symmetrical arranged about the longitudinal midline of switch housing 91, it is logical on the downside of the inner cavity of switch housing 91 It crosses screw and is fixedly connected with retainer ring 93, swing arm conductor rods 94, the upper end of swing arm conductor rods 94 are connected with by pin shaft on retainer ring 93 It extends between two groups of contact conductor plates 92, the bottom end of swing arm conductor rods 94 is connect by pin shaft with push rod 8, switch housing 91 Through slot 95 is offered on the downside of left side wall, push rod 8 runs through through slot 95.
Wherein, ripple air bag 2 is rubber corrugated air bag, and the bottom end of ripple air bag 2 is bonded with kickboard by bonding agent, is led to The use of rubber material is crossed, can be used for a long time, toughness is preferable, can be assisted under the buoyancy of water by the setting of kickboard It floats;
Air pressure adjustment valve is provided on the side wall of hollow pillar stand 5, it, can be to ripple by the setting of air pressure adjustment valve Air pressure in air bag and promotion bellows is adjusted, so as to meet the control to switch block;
Location collar is connected on the outer wall of appendix 6, and the contact position of location collar and appendix 6 is embedded with rubber Pad, carries out installation positioning action to appendix 6 by location collar, by the setting of rubber pad, plays the role of increasing friction;
Expansion link mechanism 4 includes sleeve 41 and the piston rod 42 that is plugged on sleeve 41, and the two of sleeve 41 and piston rod 42 End is screwed onto supporting block 3, on mounting plate 1 respectively, has the function of longitudinal extension, can to the progress guiding role of ripple air bag 2, The phenomenon that avoiding ripple air bag from deviating;
The inner cavity of sleeve 41 is provided with reset spring 43, and the both ends of reset spring 43 are respectively supported at the interior bottom of chamber of sleeve 41 The bottom in portion and piston rod 42;
Switch housing 91 is polyethylene switch housing, and is uniformly coated with polytetrafluoroethylene (PTFE) on the inner wall of switch housing 91 and applies Layer, switch housing 91 use polyethylene material, certain insulating effect are played, by the setting of polytetrafluorethylecoatings coatings, into one Step improves insulation effect;
The upper end of swing arm conductor rods 94 is provided with contact conductor block, and contacts conductor block through swing arm conductor rods 94 and extend To the two sides of 94 upper end of swing arm conductor rods.
Working principle: two groups of contact conductor plates 92 are connect with warning note equipment and motor by conducting wire respectively, are put Contact conductor block on arm conductor rods 94 is connect by conducting wire with warning note equipment, motor simultaneously, and the above equipment is accessed Alternating current so that when swing arm conductor rods 94 contact the contact conductor plate 92 of side, the contact conductor plate 92 with connect thereon Warning note equipment or electric-motor pump connect circuit, and the contact conductor plate 92 for being normally set up left side passes through with warning note equipment leads The contact conductor plate 92 of line connection, right side is connect by conducting wire with electric-motor pump;
Mounting plate 1 is fixedly mounted in water tank by screw, and makes the bottom end of ripple air bag 2 and the highest of setting The height of liquid level is concordant, and the location collar and switch block 9 on appendix 6 are fixedly mounted in water tank by screw, and protects The isolation (avoid being corroded for a long time by water and electrical part damaged condition occur) for holding switch block 9 Yu water, when water gradually on When rising, the water surface is contacted with ripple air bag 2, generates ripple air bag 2 to buoyancy and ripple air bag 2 is made to shrink ripple air bag, together When expansion link mechanism 4 shrink, reset spring 43 compressed and generated elastic force, and the gas in ripple air bag 2 passes through hollow pillar stand 5 It is flowed with appendix 6 into promotion bellows 7, so that bellows 7 is pushed to stretch, bellows 7 is pushed to push 8 right side of push rod It moves, push rod 8 drives pin shaft of the swing arm conductor rods 94 on retainer ring 93 to rotate counterclockwise, thus swing arm conductor rods 94 and left side It contacts conductor plate 92 to contact, so that warning note equipment connects circuit, plays alarm function, prompt water full;After water use, storage Discharge reduction in water pot, under the elastic force effect of reset spring 43, the decline of ripple air bag 2 is resetted while being stretched, to push wave Line pipe 7 under suction function by starting to shrink and push rod 8 being driven to move to left, so that swing arm conductor rods 94 are on retainer ring 93 Pin shaft rotates clockwise, so that contact conductor plate 92 of the swing arm conductor rods 94 with right side contacts, electric-motor pump is connected circuit, thus So that electric-motor pump carries out pumping action to water tank.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from spirit of the invention or In the case where essential characteristic, the present invention can be realized in other specific forms;Therefore, in all respects, should all incite somebody to action Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state Bright restriction, it is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the present invention Interior, any reference signs in the claims should not be construed as limiting the involved claims.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (8)

1. a kind of novel water level sensor, including mounting plate (1) and switch block (9), it is characterised in that: the mounting plate (1) Lower surface in the middle part of be provided with ripple air bag (2), the lower surface two sides of the mounting plate (1) are bolted with expansion link mechanism (4), The left and right sides bottom end of the ripple air bag (2) is provided with supporting block (3), the supporting block (3) of two sides respectively with two sides The bottom end of expansion link mechanism (4) be spirally connected, the upper surface of the mounting plate (1) is bolted with hollow pillar stand (5), the hollow pillar stand (5) be connected to ripple air bag (2), the upper end of the hollow pillar stand (5) is bolted with appendix (6), the appendix (6) it is another End cap, which is connected to, pushes bellows (7), is bonded with push rod (8) on the right side wall for pushing bellows (7), the push rod (8) Right end extends to the inner cavity of switch block (9);
The switch block (9) includes switch housing (91) and two groups of contacts being fixed on the upside of switch housing (91) inner wall Conductor plate (92), and two groups of contact conductor plates (92) are symmetrical arranged about the longitudinal midline of switch housing (91), outside the switch It is fixedly connected with retainer ring (93) on the downside of the inner cavity of shell (91) by screw, swing arm is connected with by pin shaft on the retainer ring (93) and is led Body rod (94), the upper end of the swing arm conductor rods (94) extend between two groups of contact conductor plates (92), the swing arm conductor rods (94) bottom end is connect by pin shaft with push rod (8), offers through slot (95), institute on the downside of the left side wall of the switch housing (91) Push rod (8) are stated through through slot (95).
2. a kind of novel water level sensor according to claim 1, it is characterised in that: the ripple air bag (2) is rubber Ripple air bag, and the bottom end of ripple air bag (2) is bonded with kickboard by bonding agent.
3. a kind of novel water level sensor according to claim 1, it is characterised in that: the side wall of the hollow pillar stand (5) On be provided with air pressure adjustment valve.
4. a kind of novel water level sensor according to claim 1, it is characterised in that: on the outer wall of the appendix (6) It is connected with location collar, and the contact position of location collar and appendix (6) is embedded with rubber pad.
5. a kind of novel water level sensor according to claim 1, it is characterised in that: the expansion link mechanism (4) includes The both ends of sleeve (41) and the piston rod (42) being plugged on sleeve (41), the sleeve (41) and piston rod (42) are spirally connected respectively On supporting block (3), mounting plate (1).
6. a kind of novel water level sensor according to claim 5, it is characterised in that: the inner cavity of the sleeve (41) is arranged Have reset spring (43), the both ends of the reset spring (43) are respectively supported at the intracavity bottom and piston rod (42) of sleeve (41) Bottom.
7. a kind of novel water level sensor according to claim 1, it is characterised in that: the switch housing (91) is poly- second Alkene switch housing, and polytetrafluorethylecoatings coatings are uniformly coated on the inner wall of switch housing (91).
8. a kind of novel water level sensor according to claim 1, it is characterised in that: the swing arm conductor rods (94) it is upper End is provided with contact conductor block, and contacts conductor block through swing arm conductor rods (94) and extend to swing arm conductor rods (94) upper end Two sides.
CN201910212746.1A 2019-03-20 2019-03-20 A kind of novel water level sensor Pending CN110006503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910212746.1A CN110006503A (en) 2019-03-20 2019-03-20 A kind of novel water level sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910212746.1A CN110006503A (en) 2019-03-20 2019-03-20 A kind of novel water level sensor

Publications (1)

Publication Number Publication Date
CN110006503A true CN110006503A (en) 2019-07-12

Family

ID=67167458

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910212746.1A Pending CN110006503A (en) 2019-03-20 2019-03-20 A kind of novel water level sensor

Country Status (1)

Country Link
CN (1) CN110006503A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112516703A (en) * 2020-11-25 2021-03-19 杨秀英 Chemical industry enterprise factory building big environmental gas clarification plant

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR673476A (en) * 1929-04-17 1930-01-15 Advanced pneumatic fuel level indicator
GB1421253A (en) * 1973-05-21 1976-01-14 Bestobell Mobrey Ltd Float operated signalling device
CN87207470U (en) * 1987-09-05 1988-03-09 南昌市工业技术开发中心自动化所 Pneumatic dry-reed water level sensor
EP0534828A1 (en) * 1991-09-25 1993-03-31 Forges De Belles-Ondes Level detector in the interior of a recipient containing granular matter, particularly sand
US20060169039A1 (en) * 2005-02-01 2006-08-03 Veeder-Root Company Fuel density measurement device, system, and method
CN201242463Y (en) * 2008-05-09 2009-05-20 袁石柱 Pneumatic photoelectric water level meter for solar water heater
CN202522288U (en) * 2011-11-27 2012-11-07 宋玉兴 Liquid temperature and level measurement control system
CN206095357U (en) * 2016-07-13 2017-04-12 广东广业云硫矿业有限公司 Pneumatic level gauge device of mine sewage treatment
CN106840429A (en) * 2017-03-27 2017-06-13 上海置信电气非晶有限公司 A kind of device of link-type duplex measurement temperature and liquid level
CN206905843U (en) * 2017-07-06 2018-01-19 青岛德曼尼电子科技有限责任公司 A kind of water warming blanket level sensor
CN207300361U (en) * 2017-10-23 2018-05-01 武汉海德龙仪表科技有限公司 A kind of easy roof-mounted multi-purpose liquid level gauge
CN108181039A (en) * 2017-12-29 2018-06-19 泉州市大西洋电力科技有限公司 Hydrostatic sensor
CN208420101U (en) * 2018-05-11 2019-01-22 泉州惠安泉创文化用品有限公司 A kind of water conservancy flood situation automatic on-line monitoring alarm
CN109313067A (en) * 2016-07-08 2019-02-05 东芝产业机器***株式会社 Liquid level display device and liquid-cooled electrical equipment

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR673476A (en) * 1929-04-17 1930-01-15 Advanced pneumatic fuel level indicator
GB1421253A (en) * 1973-05-21 1976-01-14 Bestobell Mobrey Ltd Float operated signalling device
CN87207470U (en) * 1987-09-05 1988-03-09 南昌市工业技术开发中心自动化所 Pneumatic dry-reed water level sensor
EP0534828A1 (en) * 1991-09-25 1993-03-31 Forges De Belles-Ondes Level detector in the interior of a recipient containing granular matter, particularly sand
US20060169039A1 (en) * 2005-02-01 2006-08-03 Veeder-Root Company Fuel density measurement device, system, and method
CN201242463Y (en) * 2008-05-09 2009-05-20 袁石柱 Pneumatic photoelectric water level meter for solar water heater
CN202522288U (en) * 2011-11-27 2012-11-07 宋玉兴 Liquid temperature and level measurement control system
CN109313067A (en) * 2016-07-08 2019-02-05 东芝产业机器***株式会社 Liquid level display device and liquid-cooled electrical equipment
CN206095357U (en) * 2016-07-13 2017-04-12 广东广业云硫矿业有限公司 Pneumatic level gauge device of mine sewage treatment
CN106840429A (en) * 2017-03-27 2017-06-13 上海置信电气非晶有限公司 A kind of device of link-type duplex measurement temperature and liquid level
CN206905843U (en) * 2017-07-06 2018-01-19 青岛德曼尼电子科技有限责任公司 A kind of water warming blanket level sensor
CN207300361U (en) * 2017-10-23 2018-05-01 武汉海德龙仪表科技有限公司 A kind of easy roof-mounted multi-purpose liquid level gauge
CN108181039A (en) * 2017-12-29 2018-06-19 泉州市大西洋电力科技有限公司 Hydrostatic sensor
CN208420101U (en) * 2018-05-11 2019-01-22 泉州惠安泉创文化用品有限公司 A kind of water conservancy flood situation automatic on-line monitoring alarm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112516703A (en) * 2020-11-25 2021-03-19 杨秀英 Chemical industry enterprise factory building big environmental gas clarification plant

Similar Documents

Publication Publication Date Title
CN205919878U (en) Oil level detection device , compressor and electric appliances of compressor
CN110006503A (en) A kind of novel water level sensor
CN107227790A (en) A kind of discharge structure for underground garage
CN203551040U (en) Capacitance type water level sensor with metal pad serving as sensing electrode
CN205048654U (en) Water shortage protection device of air cooler
CN114166307A (en) Self-powered water gauge reading device
CN101840810A (en) Float switch
CN209015979U (en) A kind of liquid-level switch having protective device
CN106384693A (en) High-voltage switch
US7004728B2 (en) Gas pressure driven fluid pump having an electronic cycle counter and method
CN205984799U (en) Pressure control low pressure switch structure
CN101387537A (en) Liquid level sensor
CN209432232U (en) A kind of plug-in capacitance induction level switch
CN209524985U (en) A kind of single switch two point form liquidometer
CN113538867A (en) Pump station pressure monitoring alarm device
CN207437424U (en) A kind of feed pump
CN201876738U (en) Water-level autocontrol device
CN211980508U (en) Novel float switch
CN211042419U (en) Liquid level sensing device
CN112076423B (en) Fire-fighting article conveyer for data communication based on thing networking
CN214893858U (en) Portable gas leak detector
CN220962235U (en) Novel water level switch
CN216531837U (en) Novel explosion-proof induction heating device
CN215893742U (en) Floating ball type liquid level sensor matched with mine underground sump drainage starting device
CN110972379B (en) Electric leakage protection detection system for intelligent street lamp and detection method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination