CN105526994A - Multifunctional level gauge - Google Patents
Multifunctional level gauge Download PDFInfo
- Publication number
- CN105526994A CN105526994A CN201610028384.7A CN201610028384A CN105526994A CN 105526994 A CN105526994 A CN 105526994A CN 201610028384 A CN201610028384 A CN 201610028384A CN 105526994 A CN105526994 A CN 105526994A
- Authority
- CN
- China
- Prior art keywords
- level gauge
- functional
- module
- liquid level
- multifunctional
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 58
- 238000005259 measurement Methods 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 24
- 238000010168 coupling process Methods 0.000 claims description 24
- 238000005859 coupling reaction Methods 0.000 claims description 24
- 239000000523 sample Substances 0.000 claims description 10
- 238000001739 density measurement Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000002788 crimping Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract 4
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a multifunctional level gauge. According to the multifunctional level gauge, a central processing unit, a magnetostriction level gauge assembly and a multifunctional module assembly are mounted on a flange plate; the magnetostriction level gauge assembly comprises a level gauge detection rod, two floating balls sleeve the level gauge detection rod, the two floating balls are different in density, a heavy hammer is fixed at the bottom end of the level gauge detection rod, and the top end of the level gauge detection rod is located above the flange plate and is connected with the central processing unit; the multifunctional module assembly comprises a multifunctional strut, a module terminal is mounted at the bottom end of the multifunctional strut, at least one function module is connected between the bottom end of the multifunctional strut and the module terminal, adjacent function modules are quickly mounted by quick serial connectors, and the function modules are connected with the central processing unit by a data cable. The multifunctional level gauge can realize measurement of multiple types of information, such as liquid level, temperature and density, in filling and storage equipment, and is convenient to carry and high in expansibility.
Description
Technical field
The present invention relates to a kind of Multifunctional liquidometer, especially relate to a kind of Multifunctional liquidometer, the multiple measurement data of output density temperature, pressure while of energy.
Background technology
Magnetostriction liquidometer is used at present in the tank storage equipment such as oil depot to measure liquid level and the most direct a kind of mode of oil level, have precision high, many liquid level gaugings, real-time response is high, antijamming capability is strong, the other types liquid level gauges such as long service life the advantage that can not simultaneously possess.But along with people improve the requirement of liquid level gauge, the liquid level sensor can only measuring separately liquid level cannot meet user demand.
Summary of the invention
Function except measuring except liquid level is possessed in order to make liquid level gauge, and do not affect the situation of level gauging function, the present invention proposes a kind of Multifunctional liquidometer, possess the function measuring the multiple measurement data such as liquid level, temperature, density, pressure, and multiple measurement function can be combined easily measure.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention is provided with center processing unit, magnetostriction liquidometer assembly and the multifunction module assembly with at least one functional module on ring flange, according to the increase of measurement demand or the quantity of minimizing functional module.
Described magnetostriction liquidometer assembly comprises the liquid level gauge feeler be vertically arranged on ring flange, liquid level gauge feeler is connected and fixed by liquid level gauge set nut and ring flange, on liquid level gauge feeler, cover has two ball floats, liquid level gauge feeler bottom is fixed with weight, and liquid level gauge feeler top to be positioned on ring flange and to be connected with center processing unit; Described multifunction module assembly comprises and is vertically arranged on multi-functional pole on ring flange and functional module and modular terminal, multi-functional pole is connected and fixed by multifunction module set nut and ring flange, multi-functional pole bottom is provided with modular terminal, be connected with at least one functional module between multi-functional pole bottom and modular terminal, between adjacent function modules, between functional module and modular terminal and between functional module and multi-functional pole bottom, pass through fast stringed coupling head Fast Installation; Multi-functional pole top is positioned on ring flange, multi-functional pole inner hollow is provided with data cable, data cable lower end connects each functional module, data cable upper end is connected to the center processing unit above ring flange, and center processing unit is connected to outer computer or Acquisition Instrument through communication cable.
Described multi-functional pole bottom concrete structure is: treatment circuit is equipped with in multi-functional pole inside, multi-functional pole bottom and attaching nut are sealedly and fixedly connected, attaching nut's outside wall surface has screw thread, treatment circuit bottom is connected with fast stringed coupling head, fast stringed coupling head passes attaching nut's bottom face downwards, and attaching nut's bottom face is provided with crimping O-ring seal.
Described functional module comprises shell and the function module circuit plate installed in the enclosure and probe, the perforate of housing top end face, hole inwall has the screw thread coordinated with attaching nut's outside wall surface, hole is built with hole connector in coordinating with fast stringed coupling head, interior hole connector is connected with function module circuit plate, function module circuit plate comprises the acquisition system of such as single-chip microcomputer type and is circumscribed with sensor, function module circuit plate and probe, and probe reaches shell sidepiece with the extraneous fluting communicated; Shell bottom is sealedly and fixedly connected with attaching nut and is provided with and crimps O-ring seal, and function module circuit plate bottom is connected with fast stringed coupling head, and fast stringed coupling head passes attaching nut's bottom face downwards, is connected with next functional module or modular terminal.
Described sensor is for the tuning fork sensor of density measurement, pressure transducer or temperature sensor etc.
Interior hole connector, terminal resistance and weight that described modular terminal comprises shell and installs in the enclosure, the perforate of housing top end face, hole inwall has the screw thread coordinated with attaching nut's outside wall surface, hole is built with hole connector in coordinating with fast stringed coupling head, interior hole connector and terminal resistance form end circuit, are filled with weight in shell bottom.
Described liquid level gauge feeler inside is provided with multiple temperature sensor in interval vertically.
The density of two described ball floats is different.
Liquid level gauge feeler and the multi-functional pole setting height(from bottom) at ring flange is adjusted respectively by liquid level gauge set nut and multifunction module set nut.
The quality of described modular terminal can adjust, and by replacing the quality of modular terminal of different quality, makes the weak vibrations impact of multi-functional pole and upper functional module thereof not liquid body.
Functional module in multifunction module assembly can combination in any, and the functional module in multifunction module assembly can be the structure without sensor, also can be only to play the structure extending positioning action.Functional module in multifunction module assembly is not limited to density measurement, temperature, pressure.
The present invention can be arranged on flow container, may be used for transporting and level gauging in storage, and multifunction module assembly measured amount and magnetostriction liquidometer and temperature measured amount all transmit by concentrating after being transferred to center processing unit.
The invention has the beneficial effects as follows,
Use the present invention the multiple metrical information such as liquid level, temperature, density of filling with in storage equipment can be measured simultaneously, precision and system compatibility aspect are compared and are used alone three complete equipments and have unrivaled advantage, and reserved expansion interface can allow user select to combine the function oneself needed easily, facilitate portable and expansion is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of multifunction module assembly of the present invention.
Fig. 3 is functional module sectional view of the present invention.
Fig. 4 is modular terminal sectional view of the present invention.
1. communication cables, 2. center processing unit in figure, 3. liquid level gauge set nut, 4. liquid level gauge feeler, 5. ball float, 6. weight, 7. ring flange, 8. data cable, 9. multifunction module set nut, 10. bottom, 11. functional modules, 12. modular terminals, 13. treatment circuits, 14. crimping O-ring seals, 15. attaching nuts, 16. fast stringed coupling heads, 17, multi-functional pole, 18, function module circuit plate, 19, pop one's head in, 20, terminal resistance, 21, weight.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, the present invention is provided with center processing unit 2, magnetostriction liquidometer assembly and the multifunction module assembly with at least one functional module 11 on ring flange 7, according to the increase of measurement demand or the quantity of minimizing functional module 11.Multifunction module assembly and magnetostriction liquidometer assembly need to be separated by necessary distance in order to avoid interfere with each other.
Magnetostriction liquidometer assembly of the present invention comprises the liquid level gauge feeler 4 be vertically arranged on ring flange 7, liquid level gauge feeler 4 inside vertically interval is provided with multiple temperature sensor, liquid level gauge feeler 4 is connected and fixed by liquid level gauge set nut 3 and ring flange 7, on liquid level gauge feeler 4, cover has two ball floats 5, the density of two ball floats 5 is different, liquid level gauge feeler 4 bottom is fixed with weight 6, and liquid level gauge feeler 4 top to be positioned on ring flange 7 and to be connected with center processing unit 2;
Multifunction module assembly of the present invention comprises and is vertically arranged on multi-functional pole 17 on ring flange 7 and functional module 11 and modular terminal 12, multi-functional pole 17 is connected and fixed by multifunction module set nut 9 and ring flange 7, multi-functional pole bottom 10 is provided with modular terminal 12, be connected with at least one functional module 11 between multi-functional pole bottom 10 and modular terminal 12, between adjacent function modules 11, between functional module 11 and modular terminal 12 and between functional module 11 and multi-functional pole bottom 10, pass through fast stringed coupling head 16 Fast Installation; Multi-functional pole 17 top is positioned on ring flange 7, multi-functional pole 17 inner hollow is provided with data cable 8, data cable 8 lower end connects each functional module 11, data cable 8 upper end is connected to the center processing unit 2 above ring flange 7, and center processing unit 2 is connected to outer computer or Acquisition Instrument through communication cable 1.
Multi-functional pole bottom 10 concrete structure is: treatment circuit 13 is equipped with in multi-functional pole 17 inside, multi-functional pole bottom 10 is sealedly and fixedly connected with attaching nut 15, attaching nut 15 outside wall surface has screw thread, treatment circuit 13 bottom is connected with fast stringed coupling head 16, fast stringed coupling head 16 passes attaching nut 15 bottom face downwards, and attaching nut 15 bottom face is provided with crimping O-ring seal 14.
As shown in Figure 3, functional module 11 comprises shell and the function module circuit plate 18 installed in the enclosure and probe 19, the perforate of housing top end face, hole inwall has the screw thread coordinated with attaching nut 15 outside wall surface, hole is built with hole connector in coordinating with fast stringed coupling head 16, interior hole connector is connected with circuit board, function module circuit plate 18 comprises the acquisition system of such as single-chip microcomputer type and is circumscribed with sensor, function module circuit plate 18 and probe 19, shell sidepiece is provided with the groove communicated with the external world, probe 19 stretches out in groove in order to detect the liquid in tank, probe 19 stretches out junction and passes through seal with elastometic washer.Shell bottom and attaching nut 15 are sealedly and fixedly connected, and function module circuit plate 18 bottom is connected with fast stringed coupling head 16, and fast stringed coupling head 16 passes attaching nut 15 bottom face downwards, are connected with next functional module 11 or modular terminal 12.
Sensor is for the tuning fork sensor of density measurement, pressure transducer or temperature sensor etc.
As shown in Figure 4, modular terminal 12 concrete structure is the perforate of housing top end face, hole inwall has the screw thread coordinated with attaching nut 15 outside wall surface, hole is built with hole connector in coordinating with fast stringed coupling head 16, interior hole connector and terminal resistance 20 form end circuit, weight 21 (such as sand, lead etc.) is filled in shell bottom.
Liquid level gauge feeler 4 and multi-functional pole 17 setting height(from bottom) at ring flange 7 is adjusted respectively by liquid level gauge set nut 3 and multifunction module set nut 9.
The quality of modular terminal 12 can adjust, and by replacing the quality of modular terminal 12 of different quality, makes the weak vibrations impact of multi-functional pole 17 and upper functional module 11 thereof not liquid body.
The specific embodiment of the invention course of work is as follows:
In enforcement, liquid level gauge connects magnetostriction assembly and multifunction module assembly by flange component, freely can be adjusted the height of magnetostriction assembly and multifunction module assembly by liquid level gauge set nut 3 and multifunction module set nut 9 according to liquid level condition.Multipoint temperature measuring point and magnetostrictive waveguide silk is distributed with in liquid level gauge feeler 4 inside, magnetostriction liquidometer assembly realizes basic liquid level gauge functional measurement liquid level and oil level etc., two other ball float 5 adopts the ball float of different densities according to the density of surveyed liquid, weight 9 is suspended from the end of liquid level gauge feeler 4, and Action of Gravity Field makes liquid level gauge feeler 4 keep vertical state.
On magnetostriction liquidometer assembly, at feeler inside serial connection one group of temperature sensor, to reach the object of measuring tempeature, be connected directly to the center processing unit of magnetostriction liquidometer assembly at its internal bus of multifunction module assembly.
In fig. 2, the treatment circuit 13 of multifunction module provides the power supply required for functional module 11, signal, by fast stringed coupling head 16 linkage function module 11, by fast stringed coupling head 16, crimping O-ring seal 14 and attaching nut 15 assurance function module Fast Installation.Be threaded connection between adjacent functional module, the pressure that 2 times of specified measurement liquid levels produce can be born.
The inner linkage function module board of functional module 11, plate is furnished with the acquisition system of such as single-chip microcomputer type, this system processes the signal that sensor probe feeds back, and is calculated to be the data type of standard and is transmitted by data cable 8.
Functional module 11 can adopt the multiple sensors of difference in functionality in actual applications, carries out density, pressure, the measurement of correlations such as temperature, such as connects the tuning fork sensor of density measurement, to reach the function of density measurement.Additionally by fast stringed connecting port of the present invention, this interface can be connected in series fast arbitrarily or remove measurement module, to reach the various demands of user to measurement function within the scope of some.
Under transportation level gauging or liquid fluctuation using state, replace with the modular terminal 12 of heavier mass, the weak vibrations can eliminating liquid, on the impact of multifunction module assembly, makes measurement data more accurate.
After sensor installs and is energized, center processing unit 2 is obtaining electric rear ena-bung function module 11, each functional module 11 carries out respective signals collecting after acquisition enable signal, center processing unit 2 starts to process the signal comprising signal that ball float 5 feeds back and the inner multipoint temperature measuring point of liquid level gauge feeler 4 subsequently, another by data cable 8, the data handled well in functional module 11 are transferred to center processing unit 2 by multifunction module assembly, CPU (central processing unit) 2 judges according to the data volume of functional module 11 several measurement functions that this sensor possesses, message exchange is carried out by communication cable 1 at outer computer or Acquisition Instrument.When user's request changes, user can carry out increasing or reduce functional module 11 voluntarily, reinstall complete and be energized, now CPU (central processing unit) 2 is after ena-bung function module 11, according to the interpolation of the data volume arbitration functions module 11 of functional module 11 or minimizing, and can be fed back when outer computer or Acquisition Instrument collection signal.
As can be seen here, use the technology of the present invention Be very effective to give prominence to, measure while achieving the multiple metrical information such as liquid level, temperature, density of filling with in storage equipment, precision and system compatibility aspect better, can portablely be expanded.
Claims (10)
1. a Multifunctional liquidometer, it is characterized in that: center processing unit (2), magnetostriction liquidometer assembly and the multifunction module assembly with at least one functional module (11) are installed on ring flange (7), according to the increase of measurement demand or the quantity of minimizing functional module (11).
2. a kind of Multifunctional liquidometer according to claim 1, it is characterized in that: described magnetostriction liquidometer assembly comprises the liquid level gauge feeler (4) be vertically arranged on ring flange (7), liquid level gauge feeler (4) is connected and fixed by liquid level gauge set nut (3) and ring flange (7), the upper cover of liquid level gauge feeler (4) has two ball floats (5), liquid level gauge feeler (4) bottom is fixed with weight (6), liquid level gauge feeler (4) top to be positioned on ring flange (7) and to be connected with center processing unit (2),
Described multifunction module assembly comprises and is vertically arranged on multi-functional pole (17) on ring flange (7) and functional module (11) and modular terminal (12), multi-functional pole (17) is connected and fixed by multifunction module set nut (9) and ring flange (7), multi-functional pole bottom (10) is provided with modular terminal (12), at least one functional module (11) is connected with between multi-functional pole bottom (10) and modular terminal (12), between adjacent function modules (11), fast stringed coupling head (16) Fast Installation is passed through between functional module (11) and modular terminal (12) and between functional module (11) and multi-functional pole bottom (10), multi-functional pole (17) top is positioned on ring flange (7), multi-functional pole (17) inner hollow is provided with data cable (8), data cable (8) lower end connects each functional module (11), data cable (8) upper end is connected to the center processing unit (2) of ring flange (7) top, and center processing unit (2) is connected to outer computer or Acquisition Instrument through communication cable (1).
3. a kind of Multifunctional liquidometer according to claim 1, it is characterized in that: described multi-functional pole bottom (10) concrete structure is: treatment circuit (13) is equipped with in multi-functional pole (17) inside, multi-functional pole bottom (10) and attaching nut (15) are sealedly and fixedly connected, attaching nut (15) outside wall surface has screw thread, treatment circuit (13) bottom is connected with fast stringed coupling head (16), fast stringed coupling head (16) passes attaching nut (15) bottom face downwards, attaching nut (15) bottom face is provided with crimping O-ring seal (14).
4. a kind of Multifunctional liquidometer according to claim 1, it is characterized in that: described functional module (11) comprises shell and the function module circuit plate (18) installed in the enclosure and pops one's head in (19), the perforate of housing top end face, hole inwall has the screw thread coordinated with attaching nut (15) outside wall surface, hole is built with the interior hole connector coordinated with fast stringed coupling head (16), interior hole connector is connected with function module circuit plate (18), function module circuit plate (18) and probe (19), probe (19) reaches shell sidepiece with the extraneous fluting communicated, shell bottom is sealedly and fixedly connected with attaching nut (15) and is provided with and crimps O-ring seal (14), function module circuit plate bottom is connected with fast stringed coupling head (16), fast stringed coupling head (16) passes attaching nut (15) bottom face downwards, is connected with functional module (11) below or modular terminal (12).
5. a kind of Multifunctional liquidometer according to claim 4, is characterized in that: described sensor is for the tuning fork sensor of density measurement, pressure transducer or temperature sensor etc.
6. a kind of Multifunctional liquidometer according to claim 1, it is characterized in that: interior hole connector, terminal resistance (20) and weight (21) that described modular terminal (12) comprises shell and installs in the enclosure, the perforate of housing top end face, hole inwall has the screw thread coordinated with attaching nut (15) outside wall surface, hole is built with the interior hole connector coordinated with fast stringed coupling head (16), interior hole connector and terminal resistance (20) form end circuit, are filled with weight (21) in shell bottom.
7. a kind of Multifunctional liquidometer according to claim 1, is characterized in that: described liquid level gauge feeler (4) inside is provided with multiple temperature sensor in interval vertically.
8. a kind of Multifunctional liquidometer according to claim 1, is characterized in that: the density of two described ball floats (5) is different.
9. a kind of Multifunctional liquidometer according to claim 1, is characterized in that: adjust liquid level gauge feeler (4) and multi-functional pole (17) setting height(from bottom) in ring flange (7) respectively by liquid level gauge set nut (3) and multifunction module set nut (9).
10. a kind of Multifunctional liquidometer according to claim 1, it is characterized in that: the quality of described modular terminal (12) can adjust, by replacing the quality of modular terminal (12) of different quality, make the weak vibrations impact of multi-functional pole (17) and upper functional module (11) thereof not liquid body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028384.7A CN105526994B (en) | 2016-01-15 | 2016-01-15 | Multifunctional liquidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028384.7A CN105526994B (en) | 2016-01-15 | 2016-01-15 | Multifunctional liquidometer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105526994A true CN105526994A (en) | 2016-04-27 |
| CN105526994B CN105526994B (en) | 2018-10-19 |
Family
ID=55769363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610028384.7A Active CN105526994B (en) | 2016-01-15 | 2016-01-15 | Multifunctional liquidometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105526994B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201688893U (en) * | 2010-02-10 | 2010-12-29 | 王川 | Magnetostriction liquid level measuring instrument |
| CN202854003U (en) * | 2012-10-19 | 2013-04-03 | 中国电子科技集团公司第二十二研究所 | Wireless mud density sensor |
| CN103353472A (en) * | 2013-04-22 | 2013-10-16 | 江苏天瑞仪器股份有限公司 | Network online water quality heavy metal analyzer |
| CN205384068U (en) * | 2016-01-15 | 2016-07-13 | 杭州浙达精益机电技术股份有限公司 | Multifunctional liquid level indicator |
-
2016
- 2016-01-15 CN CN201610028384.7A patent/CN105526994B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201688893U (en) * | 2010-02-10 | 2010-12-29 | 王川 | Magnetostriction liquid level measuring instrument |
| CN202854003U (en) * | 2012-10-19 | 2013-04-03 | 中国电子科技集团公司第二十二研究所 | Wireless mud density sensor |
| CN103353472A (en) * | 2013-04-22 | 2013-10-16 | 江苏天瑞仪器股份有限公司 | Network online water quality heavy metal analyzer |
| CN205384068U (en) * | 2016-01-15 | 2016-07-13 | 杭州浙达精益机电技术股份有限公司 | Multifunctional liquid level indicator |
Non-Patent Citations (1)
| Title |
|---|
| 韩光 等: "磁致伸缩液位仪在库区计量管理系统中的应用", 《仪表技术与传感器》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105526994B (en) | 2018-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201488834U (en) | Liquid level and liquid temperature measuring device | |
| CN108871498A (en) | Condenser type adaptive universal liquid level emasuring device and method | |
| CN210375302U (en) | Differential pressure type accumulator liquid level meter | |
| CN206132554U (en) | Integrated transducer | |
| CN211697653U (en) | Urea liquid level quality sensor | |
| CN207779327U (en) | A kind of detection sensor of part of appliance wear-thickness | |
| CN205384068U (en) | Multifunctional liquid level indicator | |
| CN209590003U (en) | A kind of water monitoring device | |
| CN203964985U (en) | A kind of probe of dip meter | |
| CN210893332U (en) | Integrated ultrasonic liquid level meter | |
| CN202101729U (en) | Portable oil-water surface measuring instrument | |
| CN105526994A (en) | Multifunctional level gauge | |
| CN201149534Y (en) | Agglomeration type small-volume waterproof pressure sensor | |
| CN206095352U (en) | Differential pressure liquid level changer of measurable quantity layering density | |
| CN206095345U (en) | Suspending hammer weighing type level gauge | |
| CN203572987U (en) | Intelligent alarm pluviometer | |
| CN206387470U (en) | Liquid level emasuring device | |
| CN202793451U (en) | Portable single-well automatic metering device | |
| CN206177312U (en) | Digital measuring device of boats and ships heel trim | |
| CN211013162U (en) | Liquid level detection device for biological oil tank | |
| CN212433274U (en) | Online conductivity monitor | |
| CN200996847Y (en) | Irregular object volume electronic measuring equipment | |
| CN210376047U (en) | Tuning fork type densimeter | |
| CN202547735U (en) | Water level measuring device of open channel dam trough | |
| CN201851110U (en) | Four-in-one sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Multifunctional liquid level gauge Granted publication date: 20181019 Pledgee: Zhejiang Hangzhou Yuhang Rural Commercial Bank Co.,Ltd. Science and Technology City Branch Pledgor: HANGZHOU ZHEDA JINGYI ELECTROMECHANICAL TECHNOLOGY Corp.,Ltd. Registration number: Y2024980007402 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |