CN108871507A - A kind of electromechanical integration water-level alarm mechanism and application method - Google Patents
A kind of electromechanical integration water-level alarm mechanism and application method Download PDFInfo
- Publication number
- CN108871507A CN108871507A CN201810757974.2A CN201810757974A CN108871507A CN 108871507 A CN108871507 A CN 108871507A CN 201810757974 A CN201810757974 A CN 201810757974A CN 108871507 A CN108871507 A CN 108871507A
- Authority
- CN
- China
- Prior art keywords
- sliding cavity
- flotation chamber
- water
- bevel gear
- turntable
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating 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 floats
- G01F23/56—Indicating 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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/60—Indicating 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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
- G01F23/603—Indicating 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 floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means using electromechanically actuated indicating means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/02—Indicating 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 gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The invention discloses a kind of electromechanical integration water-level alarm mechanism and application methods, including cabinet, flotation chamber, sliding cavity, striking mechanism and floating ball；The upper and lower side that the flotation chamber is fixedly mounted on the side of cabinet and flotation chamber passes through to be connected to the side upper and lower side of cabinet communicating pipe respectively, sliding cavity is provided on the right side of flotation chamber, sliding cavity is connected to flotation chamber, the right end of the sliding cavity is provided with striking mechanism, and striking mechanism includes motor, metal dish, bevel gear A and bevel gear B, turntable and percussion hammer.It is of the invention novel in design, box inside water filling, after water reaches certain water level, floating ball band movable slider under the buoyancy of water is moved up, and is slid through to lever and is pressed two-way switch by lever and make motor electrical communication, after electrical power, turntable rotation is driven by the engagement of bevel gear A and bevel gear B, turntable is driven by fixed link taps hammer hammering metal dish, plays the role of alarm, indicator light circuit disconnects simultaneously, practical.
Description
Technical field
The present invention relates to a kind of alarm mechanism, specifically a kind of electromechanical integration water-level alarm mechanism and application method.
Background technique
Water level refers to that elevation of the table relative to a certain basal plane, the water surface claim the depth of water with a distance from river bed.Calculate water level
Basal plane used can be using somewhere feature sea level elevation as zero point leveling datum, referred to as absolute datum, and the most commonly used is the Huanghai Sea
Basal plane；Specific point height can also be used as the zero point for calculating water level of studying and comparing, claim datum plane of gauge.Water level is to reflect water body regimen most
Intuitive factor, caused by increase and decrease of its variation mainly due to water body water.Stage hydrograph be somewhere water level at any time
Between the curve that changes, abscissa is the time, and ordinate is water level.
Water level alarm refers to through mechanical or magnetic induction method the alarm for carrying out water level, can be with combined aural and visual alarm
Deng or magnetic alarm control starting or stoping for the equipment such as water pump simultaneously, there are many methods, according to the different product of selection
It is different.
But water level alarm in the prior art is throw-in type mostly, using piezo-resistive sensor, but this throwing
Enter formula warning device often because after of long duration, sensor probe is easy to be blocked, and causes false alarm, on the other hand, this throwing
The sensor signal lines for entering formula are ducked in drink for a long time, are easily soaked, so as to cause power supply system short circuit, are ultimately caused electrical equipment
Damage.
By electronic level switch (BZ1201 or BZ2401) and collocation water level controller (BZ101, BZ102) come
Control, search electronic level switch official website can find additional information, there is flash demo.Electronic level switch principle is
Water level is detected by electronic probe, then the signal detected is handled by water level detecting special chip, when tested
When liquid reaches operating point, high or low level signal is exported, then cooperate water level controller, output relay switching signal, or
Alarm directly is supplied electricity to, to realize the warning function to liquid level.Electronic level switch is not required to floating ball and tongue tube, external
Without mechanical action, resistant is durable, is not afraid of floating material influence, and any angle installation is vertically equipped with certain anti-wave function, this
Kind mode is more practical, and resistant, the service life is long, safety.
Summary of the invention
The purpose of the present invention is to provide a kind of electromechanical integration water-level alarm mechanism and application methods, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides the following technical solutions：
A kind of electromechanical integration water-level alarm mechanism, including cabinet, flotation chamber, sliding cavity, striking mechanism and floating ball；It is described
The upper and lower side that flotation chamber is fixedly mounted on the side of cabinet and flotation chamber pass through communicating pipe respectively with the side upper and lower side of cabinet
It is connected to, is provided with sliding cavity on the right side of flotation chamber, sliding cavity is connected to flotation chamber, and the right end of the sliding cavity is provided with percussion machine
Structure, striking mechanism include motor, metal dish, bevel gear A and bevel gear B, turntable and tap hammer, and metal dish is fixed by fixing piece
It is connected on the side wall of sliding cavity, the output end of motor is fixedly connected with rotary shaft, and rotary shaft is fixedly connected with bevel gear A, cone
Gear A is engaged with the bevel gear B being fixedly mounted on disk shaft, and the shaft of turntable is rotatably connected on the side wall of sliding cavity,
The top of metal dish is arranged in the turntable, and fixed link, the fixed hammer with percussion hammer are fixedly connected at the eccentric position of turntable
Handle rotation connection.
As a further solution of the present invention：Floating ball is provided on the inside of the flotation chamber, floating ball passes through connector and sliding
The sliding block being connected in sliding cavity is fixedly connected, and connector connects with the rectangular through-hole side walls for being connected to flotation chamber and sliding cavity
It connects.
As further scheme of the invention：The upper end of slide block is fixedly connected with to lever.
As further scheme of the invention：Two-way switch, the fixed peace of two-way switch are provided with above the sliding cavity
Mounted in fixed plate lower end, it is provided on the upper wall of flotation chamber by lever, through flotation chamber and is protruded into flotation chamber by lever.
As further scheme of the invention：It is additionally provided with indicator light on the side wall of the sliding cavity, indicator light and double
It is electrically connected to switch.
As further scheme of the invention：Protective shell, setting in protective shell are provided on the side wall of the sliding cavity
There is battery.
As further scheme of the invention：Pulley is provided on the sliding block.
A kind of electromechanical integration water-level alarm mechanism, specific step is as follows：
S1, pass through storage battery power supply, two-way switch is connected to indicator light circuit at this time, and indicator light is in and is always on state；
S2, box inside water filling, after water reaches certain water level, floating ball band movable slider under the buoyancy of water moves upwards
It is dynamic, it slides through to lever and presses two-way switch by lever and make motor electrical communication；
S3, after electrical power, turntable rotation is driven by the engagement of bevel gear A and bevel gear B, turntable passes through solid
Fixed pole, which drives, taps hammer hammering metal dish, while indicator light circuit disconnects.
Compared with prior art, the beneficial effects of the invention are as follows：It is of the invention novel in design, box inside water filling, when water reaches
To after certain water level, floating ball band movable slider under the buoyancy of water is moved up, and is slid through to lever and is pressed by lever
Two-way switch makes motor electrical communication, after electrical power, drives turntable to turn by the engagement of bevel gear A and bevel gear B
Dynamic, turntable is driven by fixed link taps hammer hammering metal dish, plays the role of alarm, while indicator light circuit disconnects, practical
Property is strong, is worthy to be popularized, long service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of electromechanical integration water-level alarm mechanism.
Fig. 2 is the schematic enlarged-scale view in electromechanical integration water-level alarm mechanism at A.
Fig. 3 is the circuit diagram of electromechanical integration water-level alarm mechanism.
In figure：1- cabinet, 2- communicating pipe, 3- flotation chamber, 4- fixed plate, 5- two-way switch, 6- by lever, 7- indicator light,
8- sliding cavity, 9- motor, 10- metal dish, 11- protective shell, 12- battery, 13- floating ball, 14- sliding block, 15- support lever, 16-
Rotary shaft, 17- bevel gear A, 18- bevel gear B, 19- turntable, 20- fixed link, 21- tap hammer.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
(in the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the equipment of indication or suggestion meaning or element there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Please refer to Fig. 1-3, a kind of electromechanical integration water-level alarm mechanism, including cabinet 1, flotation chamber 3, sliding cavity 8, percussion
Mechanism and floating ball 13；The flotation chamber 3 is fixedly mounted on the side of cabinet 1 and the upper and lower side of flotation chamber 3 passes through communicating pipe 2
It being connected to respectively with the side upper and lower side of cabinet 1, the right side of flotation chamber 3 is provided with sliding cavity 8, and sliding cavity 8 is connected to flotation chamber 3,
The right end of the sliding cavity 8 is provided with striking mechanism, and striking mechanism includes motor 9, metal dish 10, bevel gear A17 and bevel gear
B18, turntable 19 and percussion hammer 21, metal dish 10 is fixedly connected on the side wall of sliding cavity 8 by fixing piece, the output of motor 9
End be fixedly connected with rotary shaft 16, rotary shaft 16 is fixedly connected with bevel gear A17, bevel gear A17 be fixedly mounted on turntable 19
Bevel gear B18 engagement in shaft, the shaft of turntable 19 are rotatably connected on the side wall of sliding cavity 8, and rotation is driven when motor 9 rotates
Shaft 16 rotates, and drives turntable 19 to rotate by the engagement of bevel gear A17 and bevel gear B18 when rotary shaft 16 rotates, institute
State the top that metal dish 10 is arranged in turntable 19, fixed link 20 be fixedly connected at the eccentric position of turntable 19, fix 20 with strike
The hammer handle of hammer 21 is rotatablely connected, and drives percussion hammer 21 to tap metal dish 10 by fixed link 20 when turntable 19 rotates, thus
Play the role of alarm, floating ball 13 is provided on the inside of the flotation chamber 3, floating ball 13 is by connector and is slidably connected at sliding cavity
Sliding block 14 in 8 is fixedly connected, and connector is connect with the rectangular through-hole side walls of connection flotation chamber 3 and sliding cavity 8, the cunning
14 upper end of block is fixedly connected with to lever 15.
Two-way switch 5 is provided with above the sliding cavity 8, two-way switch 5 is fixedly mounted on 4 lower end of fixed plate, flotation chamber 8
Upper wall on be provided with by lever 6, through flotation chamber 8 and protruded into flotation chamber 8 by lever 6, floating ball 13 is under the action of buoyancy
Band movable slider 14 moves up, when the lever 15 of supporting being arranged on sliding block 14 presses two-way switch to dynamic move up by lever 16
5, realize control.
Indicator light 7 is additionally provided on the side wall of the sliding cavity 8, indicator light 7 and two-way switch 5 are electrically connected.
It is provided with protective shell 11 on the side wall of the sliding cavity 8, battery 12 is provided in protective shell 11.
Pulley is provided on the sliding block 14, pulley can reduce the frictional force between 8 inner wall of sliding block 14 and sliding cavity.
A kind of application method of electromechanical integration water-level alarm mechanism, specific step is as follows:
S1, it is powered by battery 12, at this time two-way switch 5 and 7 circuit communication of indicator light, indicator light 7 is in and is always on shape
State；
It is filled the water on the inside of S2, cabinet 1, after water reaches certain water level, the band movable slider 14 under the buoyancy of water of floating ball 13
It moves up, sliding 14 makes 9 electrical communication of motor by supporting lever 15 and pressing two-way switch 5 by lever 16；
S3, when motor 9 be powered after, by the engagement of bevel gear A17 and bevel gear B18 drive turntable 19 rotate, turn
Disk 19 is driven by fixed link 20 taps 21 hammering metal dish 10 of hammer, plays the role of alarm, while 7 circuit of indicator light disconnects.
It is of the invention novel in design, box inside water filling, after water reaches certain water level, floating ball band under the buoyancy of water
Movable slider moves up, and slides through to lever and presses two-way switch by lever and make motor electrical communication, after electrical power,
Turntable rotation is driven by the engagement of bevel gear A and bevel gear B, turntable is driven by fixed link taps hammer hammering metal
Disk plays the role of alarm, while indicator light circuit disconnects, practical, is worthy to be popularized, long service life.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. one kind includes cabinet (1), flotation chamber (3), sliding cavity (8), striking mechanism and floating ball (13)；It is characterized in that, described
The upper and lower side that flotation chamber (3) is fixedly mounted on the side of cabinet (1) and flotation chamber (3) pass through communicating pipe (2) respectively with cabinet
(1) side upper and lower side is connected to, and is provided with sliding cavity (8) on the right side of flotation chamber (3), and sliding cavity (8) is connected to flotation chamber (3),
The right end of the sliding cavity (8) is provided with striking mechanism, and striking mechanism includes motor (9), metal dish (10), bevel gear A (17)
Sliding cavity (8) is fixedly connected on by fixing piece with bevel gear B (18), turntable (19) and percussion hammer (21), metal dish (10)
On side wall, the output end of motor (9) is fixedly connected with rotary shaft (16), and rotary shaft (16) is fixedly connected with bevel gear A (17), cone
Gear A (17) is engaged with the bevel gear B (18) being fixedly mounted in turntable (19) shaft, and the shaft of turntable (19) is rotatably connected on
On the side wall of sliding cavity (8), turntable (19) setting is fixed at the top of metal dish (10), the eccentric position of turntable (19)
It is connected with fixed link (20), fixed (20) and the hammer handle for tapping hammer (21) are rotatablely connected.
2. electromechanical integration water-level alarm according to claim 1 mechanism, which is characterized in that on the inside of the flotation chamber (3)
It is provided with floating ball (13), floating ball (13) is fixedly connected by connector with the sliding block (14) being slidably connected in sliding cavity (8), even
Fitting is connect with the rectangular through-hole side walls of connection flotation chamber (3) and sliding cavity (8).
3. electromechanical integration water-level alarm according to claim 2 mechanism, which is characterized in that sliding block (14) upper end is solid
Surely it is connected with to lever (15).
4. electromechanical integration water-level alarm according to claim 1 mechanism, which is characterized in that above the sliding cavity (8)
It is provided with two-way switch (5), two-way switch (5) is fixedly mounted on fixed plate (4) lower end, is provided on the upper wall of flotation chamber (8)
By lever (6), through flotation chamber (8) and protruded into flotation chamber (8) by lever (6).
5. electromechanical integration water-level alarm according to claim 1 mechanism, which is characterized in that the side of the sliding cavity (8)
It is additionally provided on wall indicator light (7), indicator light (7) and two-way switch (5) are electrically connected.
6. electromechanical integration water-level alarm according to claim 1 mechanism, which is characterized in that the side of the sliding cavity (8)
It is provided on wall protective shell (11), is provided with battery (12) in protective shell (11).
7. electromechanical integration water-level alarm according to claim 3 mechanism, which is characterized in that be arranged on the sliding block (14)
There is pulley.
8. a kind of application method of electromechanical integration water-level alarm as claimed in claim 1 mechanism, which is characterized in that
Specific step is as follows：
S1, it is powered by battery (12), at this time two-way switch (5) and indicator light (7) circuit communication, indicator light (7) is in normal
Bright state；
Water filling on the inside of S2, cabinet (1), after water reaches certain water level, floating ball (13) band movable slider under the buoyancy of water
(14) it moves up, sliding (14) is by supporting lever (15) and pressing two-way switch (5) by lever (16) makes motor (9) is electrical to connect
It is logical；
S3, after motor (9) are powered, pass through the engagement of bevel gear A (17) and bevel gear B (18) and drive turntable (19) turn
Dynamic, turntable (19) is driven by fixed link (20) taps hammer (21) hammering metal dish (10), while indicator light (7) circuit disconnects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757974.2A CN108871507A (en) | 2018-07-11 | 2018-07-11 | A kind of electromechanical integration water-level alarm mechanism and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757974.2A CN108871507A (en) | 2018-07-11 | 2018-07-11 | A kind of electromechanical integration water-level alarm mechanism and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108871507A true CN108871507A (en) | 2018-11-23 |
Family
ID=64301093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757974.2A Pending CN108871507A (en) | 2018-07-11 | 2018-07-11 | A kind of electromechanical integration water-level alarm mechanism and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108871507A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076795A (en) * | 2020-02-19 | 2020-04-28 | 温州市凯纹电子科技有限公司 | River water level measuring and alarming device |
| CN111693117A (en) * | 2020-07-21 | 2020-09-22 | 国家电网有限公司 | Floating type water level alarm device for hydropower station |
| CN115431842A (en) * | 2022-10-24 | 2022-12-06 | 迈莎锐汽车(浙江)有限公司 | Automobile seat buffer device |
| CN116672881A (en) * | 2023-07-31 | 2023-09-01 | 陕西陆环环保工程有限公司 | Organic waste gas treatment device for microorganisms |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB752594A (en) * | 1954-05-28 | 1956-07-11 | Liquidivision Gauge And Contro | Improvements in liquid level indicators |
| CN202836683U (en) * | 2012-10-12 | 2013-03-27 | 淮南矿业(集团)有限责任公司 | Water level alarming system |
| CN105466525A (en) * | 2014-08-13 | 2016-04-06 | 陕西银河景天电子有限责任公司 | Household water level alarm |
| CN206514916U (en) * | 2017-02-14 | 2017-09-22 | 江苏联盟化学有限公司 | Alarm type magnetic double level gauge |
| CN207379593U (en) * | 2017-11-21 | 2018-05-18 | 潍坊亚峰化工仪表有限公司 | The magnetic double level gauge of volume or quality can be directly read |
-
2018
- 2018-07-11 CN CN201810757974.2A patent/CN108871507A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB752594A (en) * | 1954-05-28 | 1956-07-11 | Liquidivision Gauge And Contro | Improvements in liquid level indicators |
| CN202836683U (en) * | 2012-10-12 | 2013-03-27 | 淮南矿业(集团)有限责任公司 | Water level alarming system |
| CN105466525A (en) * | 2014-08-13 | 2016-04-06 | 陕西银河景天电子有限责任公司 | Household water level alarm |
| CN206514916U (en) * | 2017-02-14 | 2017-09-22 | 江苏联盟化学有限公司 | Alarm type magnetic double level gauge |
| CN207379593U (en) * | 2017-11-21 | 2018-05-18 | 潍坊亚峰化工仪表有限公司 | The magnetic double level gauge of volume or quality can be directly read |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076795A (en) * | 2020-02-19 | 2020-04-28 | 温州市凯纹电子科技有限公司 | River water level measuring and alarming device |
| CN111693117A (en) * | 2020-07-21 | 2020-09-22 | 国家电网有限公司 | Floating type water level alarm device for hydropower station |
| CN115431842A (en) * | 2022-10-24 | 2022-12-06 | 迈莎锐汽车(浙江)有限公司 | Automobile seat buffer device |
| CN115431842B (en) * | 2022-10-24 | 2024-04-16 | 迈莎锐汽车(浙江)有限公司 | Automobile seat buffer device |
| CN116672881A (en) * | 2023-07-31 | 2023-09-01 | 陕西陆环环保工程有限公司 | Organic waste gas treatment device for microorganisms |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108871507A (en) | A kind of electromechanical integration water-level alarm mechanism and application method | |
| CN203045188U (en) | Height tracer and gantry weld using same | |
| CN111486928A (en) | Sewage treatment pond water level monitoring alarm device | |
| CN110318738A (en) | A kind of inclined drill level measurement device | |
| CN114166307B (en) | Self-powered water gauge reading device | |
| CN115162311A (en) | Bridge tunnel foundation bearing capacity detection device | |
| CN208329538U (en) | A kind of Building Inspector ceramic tile flatness detecting device | |
| CN101246029A (en) | Electromechanical high-precision liquid level measurer | |
| CN103185626A (en) | Reservoir level tester for pumped storage power plant and installation method of reservoir level tester | |
| CN204808058U (en) | Improvement structure of water level detector of boiler | |
| CN110950275A (en) | Lifting device based on gas-liquid linkage sensor | |
| CN215008058U (en) | Combined liquid level switch | |
| CN215807423U (en) | Seawater cage culture environment monitoring device | |
| CN214537903U (en) | Land subsidence measuring device for civil engineering design and investigation | |
| CN201672954U (en) | Electromechanical type high-precision liquid level measuring device | |
| CN215165545U (en) | Novel squareness leveling device for pile driver | |
| CN209979129U (en) | Lever type force standard machine | |
| CN212721392U (en) | Stable form pipeline deformation check out test set | |
| CN111238954B (en) | Pipeline maximum bearable water pressure detection device | |
| CN220982244U (en) | Grab ship depth setting instrument with high depth detection accuracy | |
| CN220650386U (en) | Environment-friendly mortar consistency detection device | |
| CN102619737A (en) | Magnetic water level control pump | |
| CN111174874B (en) | Water level detection alarm device | |
| CN216925729U (en) | Top-mounted magnetic liquid level meter with fluorescent mark | |
| CN203337223U (en) | Simple liquid level measurement device |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |
|
| RJ01 | Rejection of invention patent application after publication |