CN209025662U - Three pressure value meters and system - Google Patents
Three pressure value meters and system Download PDFInfo
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- CN209025662U CN209025662U CN201821577954.9U CN201821577954U CN209025662U CN 209025662 U CN209025662 U CN 209025662U CN 201821577954 U CN201821577954 U CN 201821577954U CN 209025662 U CN209025662 U CN 209025662U
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Abstract
The utility model provides three pressure value meters of one kind and system, is related to downhole testing technical field, comprising: shell, magnetic orientation component, pressure-detecting device, temp probe and data processing equipment；Magnetic orientation component, pressure-detecting device, temp probe and data processing equipment are arranged at the inside of shell；The inside of pressure-detecting device is arranged in temp probe；Data processing equipment is connect with magnetic orientation component and pressure-detecting device respectively；It solves the problems, such as that wellbore pressure data accuracy is poor when downhole testing, improves the accuracy of wellbore pressure data, and mine shaft depth data, pressure data, temperature data can be detected simultaneously and bring good experience to user.
Description
Technical field
The utility model relates to downhole testing technical fields, more particularly, to a kind of three pressure value meters and system.
Background technique
The oil field of high water-cut stage with oily area's degree of prospecting continuous improvement, it is fewer and fewer for the high-quality reserves of exploitation,
Oil field storage is adopted unbalance serious, and field output is persistently successively decreased, and the variation of accurate measurements formation pressure is to instructing oil field development, adjustment grease
Well capacity situation is significant.
Existing pressure gauge needs steel wire to transmit in use, since steel wire has shadow of the tension vulnerable to environment temperature
It rings, the accuracy of mine shaft depth measurement is difficult to ensure that depth error will affect the accuracy of pressure data measurement.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of three pressure value meters and systems, to solve existing skill
Present in art when downhole testing wellbore pressure data accuracy difference technical problem.
In a first aspect, the utility model embodiment provides a kind of three pressure value meters, comprising: shell, magnetic orientation component,
Pressure-detecting device, temp probe and data processing equipment；Magnetic orientation component, pressure-detecting device, temp probe and number
The inside of shell is arranged at according to processing unit；The inside of pressure-detecting device is arranged in temp probe；Data processing equipment point
It is not connect with magnetic orientation component and pressure-detecting device；Magnetic orientation component is used for through magnetic force to mine shaft depth and well bore wall
Working condition detected, obtain mine shaft depth data；Pressure-detecting device is used for through acquisition mine shaft depth corresponding position
Pressure, obtain wellbore pressure data；Temp probe is used to obtain temperature in wellbore number by the corresponding temperature of acquisition mine shaft depth
According to；Data processing equipment is counted for handling mine shaft depth data, wellbore pressure data and temperature in wellbore data
Intelligent terminal is transmitted to according to processing result, and by data processed result.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, magnetic orientation component includes: magnet steel, control line unit and attachment device；Magnet steel by control line unit with connect fill
Set connection.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, mine shaft depth data include: mine shaft depth, tubing coupling corrosion data, casing coupling corrosion data and perforated interval oil
At least one of casing corrosion data；
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, data processing equipment includes: controller, memory and data transmission module；Controller respectively with memory and data
Transmission module connection；Controller handles mine shaft depth data, wellbore pressure data and temperature in wellbore data, is counted
According to processing result；Memory stores mine shaft depth data, wellbore pressure data and temperature in wellbore data；Data transmission
Module carries out communication transfer to mine shaft depth data, wellbore pressure data and temperature in wellbore data, is transmitted to intelligent terminal.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, further includes: power supply unit；The inside of shell is arranged in power supply unit；Power supply unit is connect with data processing equipment.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein power supply unit includes: battery sleeve, battery and power connector；Battery sleeve is arranged in electricity
The outside in pond；Power connector is located in the outside of battery sleeve；Power connector is flexibly connected with data processing equipment.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, magnetic orientation component, pressure-detecting device and temp probe are set to the inside of shell by being flexibly connected.
Second aspect, the utility model embodiment provide a kind of three pressure value meter systems, including communication link wiring, intelligence
Terminal and three pressure value meters as described in relation to the first aspect；Communication link wiring is connect with the power interface of three pressure value meters；
Intelligent terminal is connect with communication link wiring；Communication link wiring is used to data processed result being transmitted to intelligent terminal；Intelligent terminal
For analyzing data processed result, analysis result is obtained.
In conjunction with second aspect, the utility model embodiment provides the first possible embodiment of second aspect,
In, communication link wiring is data line.
In conjunction with second aspect, the utility model embodiment provides second of possible embodiment of second aspect,
In, intelligent terminal includes: at least one of computer, mobile phone and other equipment.
Technical solution provided by the embodiment of the utility model bring it is following the utility model has the advantages that
The utility model provides three pressure value meters of one kind and system, comprising: shell, magnetic orientation component, pressure inspection
Survey device, temp probe and data processing equipment；Wherein, magnetic orientation component, pressure-detecting device, temp probe and data
Processing unit is arranged at the inside of shell；The inside of pressure-detecting device is arranged in temp probe；Furthermore data processing equipment
It is connect respectively with magnetic orientation component and pressure-detecting device, therefore, magnetic orientation component is by magnetic force to mine shaft depth and well
The working condition of barrel is detected, and mine shaft depth data are obtained；Then pressure-detecting device is corresponding by acquisition mine shaft depth
The pressure of position obtains wellbore pressure data；Temp probe obtains pit shaft temperature by the corresponding temperature of acquisition mine shaft depth later
Degree evidence；Final data processing unit handles mine shaft depth data, wellbore pressure data and temperature in wellbore data, from
And data processed result is obtained, and data processed result is transmitted to intelligent terminal, the accuracy of wellbore pressure data is improved,
And mine shaft depth data, pressure data, temperature data can be detected simultaneously and bring good experience to user, solve downhole testing
When wellbore pressure data accuracy difference technical problem.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is achieved and obtained in book and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of three pressure values meter provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of magnetic orientation component provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of pressure-detecting device provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of data processing equipment provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of another three pressure values meter provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of pressure gauge provided by the embodiment of the utility model assembly；
Fig. 7 is the structural schematic diagram of manometer systems provided by the embodiment of the utility model.
Icon: tri- pressure value meter of 1-；2- communication link wiring；3- intelligent terminal；10- shell；11- magnetic orientation component；12-
Pressure-detecting device；13- temp probe；14- data processing equipment；15- power supply unit；16- fishing bell；110- magnet steel；111-
Control line unit；112- attachment device；120- plug；121- protects gasket；122- probe socket；123- pressure probe；124-
Pressure gauge skeleton；125- route outer tube；The 2nd LEMO male connector of 126-；140- controller；141- memory；142- data transmit mould
Block；150- battery sleeve；151- battery；152- power connector；1110-61802 bearing；1111- gasket；1112- spring；
1113-CCL outer tube；1114- supports nut；1115-CCL skeleton；1116- circuit framework；1117- spring shim；1120-
One LEMO male connector；The first LEMO female of 1121-.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Currently, conventional well testing is by guiding principle silk the variation for measuring pressure under pressure gauge to shaft bottom, due to the tension of steel wire
Error is easily caused, accuracy is poor, and this method cannot grasp the variation of flowing bottomhole pressure (FBHP) in time, can only radially flow out by empirical estimating
The existing time, especially for new prospect pit area, it more difficult to accurate estimation is based on this, and provided by the embodiment of the utility model a kind of three
Pressure value meter and system, the skill of wellbore pressure data accuracy difference when can solve downhole testing existing in the prior art
Art problem.
For convenient for understanding the present embodiment, first to three pressure value of one kind disclosed in the utility model embodiment
Meter and system describe in detail.
Embodiment one:
It is as shown in Figure 1 that the utility model embodiment provides a kind of three pressure value meters, comprising: shell 10, magnetic orientation component
11, pressure-detecting device 12, temp probe 13 and data processing equipment 14.
Above-mentioned magnetic orientation component 11, pressure-detecting device 12, temp probe 13 and data processing equipment 14 are arranged at
The inside of shell 10；The inside of pressure-detecting device 12 is arranged in temp probe 13；Data processing equipment 14 respectively with magnetic orientation
Component 11 and pressure-detecting device 12 connect.
Further, magnetic orientation component 11 includes: magnet steel 110, control line unit 111 and attachment device 112；Magnet steel
110 are connect by controlling line unit 111 with attachment device 112, the structural schematic diagram of magnetic orientation component as shown in Figure 2 wherein,
Control line unit 111 further include: 61802 bearings 1110, gasket 1111, spring 1112, CCL outer tube 1113, support nut
1114, CCL skeleton 1115, circuit framework 1116 and spring shim 1117；Attachment device 112 includes: the first LEMO male connector
1120 and the first LEMO female 1121.First LEMO female 1121 can be connect with pressure-detecting device 12, the first LEMO female
1121 connect with external equipment；61802 bearings 1110 are a kind of deep groove ball bearings, are mainly used for stop valve, Industrial fan, glass
The equipment such as knife, hydraulic hose, wind, Electric radiant Heating Film, thermostatic valve, magnetic first device, steelyard, automobile-used lamp & lantern.Gasket 1111, spring 1112
And the inside of control line unit, phase when for reducing magnetic orientation component operation between each component is arranged in spring shim 1117
Mutual friction.CCL outer tube 1113 and CCL skeleton 1115 are for fixing magnet steel 110, and support nut 1114 is for fixing circuit board
Connection between battery is provided with control route on circuit framework 1116, and control route can be by the data feedback of test to data
Processing unit.
Specifically, magnetic orientation component 11 by working condition of the magnetic force to mine shaft depth and well bore wall for being examined
It surveys, obtains mine shaft depth data；Wherein, mine shaft depth data include: mine shaft depth, tubing coupling corrosion data, casing coupling
At least one of corrosion data and perforated interval tubing and casing corrosion data；Such as: when magnetic orientation component moves through in well
When tubing coupling, since casing thickeies at box cupling, the distribution of magnet surrounding magnetic field is changed, is handled by the software of intelligent terminal
A tubing coupling curve will be obtained, according to casing coupling curve, cooperates log that can accurately determine perforating site in well
And the working condition of oil pipe.
It should be noted that the structural schematic diagram of pressure-detecting device is as shown in Figure 3, comprising: plug 120, protection gasket
121, probe socket 122, pressure probe 123, temp probe 13, pressure gauge skeleton 124, route outer tube 125 and the 2nd LEMO are public
First 126；Wherein, plug is set as ellipse in order to which pressure-detecting device is gone into the well；Protection gasket for protect pressure probe and
Temp probe；Probe socket, pressure gauge outer tube and route outer tube are used to support pressure probe and temp probe；2nd LEMO is public
Head connection power supply unit or magnetic orientation component.
In practical applications, data processing equipment 14 includes: controller 140, memory 141 and data transmission module
142 as shown in Figure 4；Controller 140 is connect with memory 141 and data transmission module 142 respectively；Wherein, controller 140 can
It can be a kind of IC chip, the processing capacity with signal.Above-mentioned controller 140 can be general processor, including
Central processing unit (Central Processing Unit, abbreviation CPU), network processing unit (Network Processor, abbreviation
NP) etc.；It can also be digital signal processor (Digital Signal Processing, abbreviation DSP), specific integrated circuit
(Application Specific Integrated Circuit, abbreviation ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, abbreviation FPGA) either other programmable logic device, discrete gate or transistor logic
Device, discrete hardware components.
Specifically, controller 140 handles mine shaft depth data, wellbore pressure data and temperature in wellbore data,
Obtain data processed result；Memory 141 deposits mine shaft depth data, wellbore pressure data and temperature in wellbore data
Storage；Data transmission module 142 carries out communication transfer to mine shaft depth data, wellbore pressure data and temperature in wellbore data, passes
Transport to intelligent terminal.
Magnetic orientation component 11 obtains well for detecting by working condition of the magnetic force to mine shaft depth and well bore wall
Cylinder depth data；Pressure-detecting device 12 is used to obtain wellbore pressure data by the pressure of acquisition mine shaft depth corresponding position；
Temp probe 13 is used to obtain temperature in wellbore data by the corresponding temperature of acquisition mine shaft depth；Data processing equipment 14 is used for
Mine shaft depth data, wellbore pressure data and temperature in wellbore data are handled, obtain data processed result, and by data
Processing result is transmitted to intelligent terminal.
The utility model provides a kind of three pressure value meters, comprising: shell, magnetic orientation component, pressure-detecting device, temperature
Degree probe and data processing equipment；Wherein, magnetic orientation component, pressure-detecting device, temp probe and data processing equipment
It is arranged at the inside of shell；The inside of pressure-detecting device is arranged in temp probe；Furthermore data processing equipment respectively with magnetic
Positioning component and pressure-detecting device connection；Magnetic orientation component is by magnetic force to the working condition of mine shaft depth and well bore wall
It is detected, obtains mine shaft depth data；Pressure-detecting device is used to obtain by the pressure of acquisition mine shaft depth corresponding position
Wellbore pressure data；Temp probe is used to obtain temperature in wellbore data by the corresponding temperature of acquisition mine shaft depth；Data processing
Device is used to handle mine shaft depth data, wellbore pressure data and temperature in wellbore data, obtains data processed result,
And data processed result is transmitted to intelligent terminal, the accuracy of wellbore pressure data is improved, and pit shaft depth can be detected simultaneously
Degree evidence, pressure data, temperature data bring good experience to user.
Embodiment two:
The utility model embodiment the structural schematic diagram of another three pressure value meters is provided as shown in figure 5, the figure be
It is obtained on the basis of Fig. 1, three pressure value meters 1 further include power supply unit 15；The inside of shell 10 is arranged in power supply unit 15；
Power supply unit 15 is connect with data processing equipment 14.Wherein, power supply unit 15 includes: battery sleeve 150, battery 151 and power supply
Connector 152；The outside of battery 151 is arranged in battery sleeve 150；Power connector 152 is located in the outside of battery sleeve 150；Electricity
Source connector 152 is flexibly connected with data processing equipment 14.The installation diagram of three pressure value meters as shown in fig. 6, further include in figure
The top of shell is arranged in fishing bell 16, fishing bell 16, convenient for salvaging three pressure value meters from oil well, plays magnetic orientation component
11, pressure-detecting device 12 and temp probe 13 are set to the inside of shell 10, magnetic orientation component, pressure by being flexibly connected
Force checking device and temp probe, which can be used alone, carries out the measurement of mine shaft depth data, pressure data, temperature data, can also
Connection magnetic orientation component, pressure-detecting device and temp probe is combined by LEMO male connector and LEMO female to use, and is carried out
The detection of depth, pressure, three parameter of temperature.
Three pressure values meter provided by the embodiment of the utility model, by by magnetic orientation component, pressure-detecting device and
Temp probe by be flexibly connected is set to enclosure interior, can depth, pressure, the data of three parameter of temperature to pit shaft divide
It does not detect, improves the accuracy of wellbore pressure data, bring good experience to user.
Embodiment three:
The utility model embodiment provides a kind of three pressure value meter systems, as shown in fig. 7, the manometer systems include logical
Believe connecting line 2, intelligent terminal 3 and three above-mentioned pressure value meters 1；Communication link wiring 2 and the power supply of three pressure value meters connect
Mouth connection；Intelligent terminal 3 is connect with communication link wiring 2；Communication link wiring 2 is used to data processed result being transmitted to intelligent end
End；Intelligent terminal 3 obtains analysis result for analyzing data processed result.Wherein communication link wiring 2 is data line；
Intelligent terminal 3 includes: at least one of computer, mobile phone and other equipment.Intelligent terminal is by transmitting data line
Mine shaft depth data, wellbore pressure data and temperature in wellbore data are handled, and obtained analysis result passes through figure line or text
Word is shown, so that user makes reasonable judgement based on the analysis results.
The utility model embodiment provides a kind of three pressure value meter systems, improves the accuracy of wellbore pressure data,
And mine shaft depth data, pressure data, temperature data can be detected simultaneously and brings good experience to user.
Three pressure values meter systems provided by the embodiment of the utility model, with three pressure values meter provided by the above embodiment
Technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of three pressure value meters characterized by comprising shell, magnetic orientation component, pressure-detecting device, temp probe
And data processing equipment；
The magnetic orientation component, the pressure-detecting device, the temp probe and the data processing equipment are arranged at
The inside of the shell；The inside of the pressure-detecting device is arranged in the temp probe；The data processing equipment difference
It is connect with the magnetic orientation component and the pressure-detecting device；
The magnetic orientation component obtains pit shaft for detecting by working condition of the magnetic force to mine shaft depth and well bore wall
Depth data；The pressure-detecting device is used to obtain wellbore pressure data by the pressure of acquisition mine shaft depth corresponding position；
The temp probe is used to obtain temperature in wellbore data by the corresponding temperature of acquisition mine shaft depth；The data processing equipment
For handling the mine shaft depth data, the wellbore pressure data and the temperature in wellbore data, data are obtained
Processing result, and the data processed result is transmitted to intelligent terminal.
2. three pressure values meter according to claim 1, which is characterized in that the magnetic orientation component includes: magnet steel, control
Line unit and attachment device；
The magnet steel is connect by the control line unit with the attachment device.
3. three pressure values meter according to claim 1, which is characterized in that the mine shaft depth data include: pit shaft depth
At least one of degree, tubing coupling corrosion data, casing coupling corrosion data and perforated interval tubing and casing corrosion data.
4. three pressure values meter according to claim 1, which is characterized in that the data processing equipment include: controller,
Memory and data transmission module；
The controller is connect with the memory and the data transmission module respectively；
The controller to the mine shaft depth data, the wellbore pressure data and the temperature in wellbore data at
Reason, obtains data processed result；The memory is to the mine shaft depth data, the wellbore pressure data and the pit shaft
Temperature data is stored；The data transmission module is to the mine shaft depth data, wellbore pressure data and described
Temperature in wellbore data carry out communication transfer, are transmitted to the intelligent terminal.
5. three pressure values meter according to claim 1, which is characterized in that further include: power supply unit；
The inside of the shell is arranged in the power supply unit；The power supply unit is connect with the data processing equipment.
6. three pressure values meter according to claim 5, which is characterized in that the power supply unit includes: battery sleeve, battery
And power connector；
The outside of the battery is arranged in the battery sleeve；The power connector is located in the outside of the battery sleeve；
The power connector is flexibly connected with the data processing equipment.
7. three pressure values meter according to claim 1, which is characterized in that the magnetic orientation component, the pressure detecting
Device and the temp probe are set to the inside of the shell by being flexibly connected.
8. a kind of three pressure value meter systems, which is characterized in that including communication link wiring, intelligent terminal and such as claim 1-
Three pressure value meter described in 7 any one；
The communication link wiring is connect with the power interface of the three pressure values meter；The intelligent terminal and the communication connection
Line connection；
The communication link wiring is used to the data processed result being transmitted to the intelligent terminal；The intelligent terminal for pair
The data processed result is analyzed, and analysis result is obtained.
9. three pressure values meter systems according to claim 8, which is characterized in that the communication link wiring is data line.
10. three pressure values meter systems according to claim 8, which is characterized in that the intelligent terminal includes: to calculate
At least one of machine, mobile phone and other equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821577954.9U CN209025662U (en) | 2018-09-26 | 2018-09-26 | Three pressure value meters and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821577954.9U CN209025662U (en) | 2018-09-26 | 2018-09-26 | Three pressure value meters and system |
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| Publication Number | Publication Date |
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| CN209025662U true CN209025662U (en) | 2019-06-25 |
Family
ID=66904954
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| CN201821577954.9U Active CN209025662U (en) | 2018-09-26 | 2018-09-26 | Three pressure value meters and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979620A (en) * | 2018-09-26 | 2018-12-11 | 北京新大平雅科技有限公司 | Pressure gage device and system |
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2018
- 2018-09-26 CN CN201821577954.9U patent/CN209025662U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108979620A (en) * | 2018-09-26 | 2018-12-11 | 北京新大平雅科技有限公司 | Pressure gage device and system |
| CN108979620B (en) * | 2018-09-26 | 2024-01-26 | 北京新大平雅科技有限公司 | Pressure gauge device and system |
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