CN208043316U - Pressure gauge and pressure monitoring system - Google Patents
Pressure gauge and pressure monitoring system Download PDFInfo
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- CN208043316U CN208043316U CN201820646153.7U CN201820646153U CN208043316U CN 208043316 U CN208043316 U CN 208043316U CN 201820646153 U CN201820646153 U CN 201820646153U CN 208043316 U CN208043316 U CN 208043316U
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Abstract
The utility model provides a kind of pressure gauge and pressure monitoring system, pressure gauge includes pressure gauge ontology, pressure gauge ontology includes pressure gauge housing, main control chip, pressure sensor, multiple pressure pattern indicator lights and communication module are provided in pressure gauge housing, pressure gauge housing surface is provided with multiple pressure pattern indicator lights；Main control chip is connect by communication module with background monitoring machine；Pressure interface is provided on pressure gauge housing, pressure interface is connected with SF6 gases, and pressure sensor is arranged at the pressure interface；Main control chip receives the pressure signal that pressure sensor is sent and determines current pressure pattern according to the pressure signal and the different pressures pattern divided in advance and light corresponding pressure pattern indicator light.The utility model can intuitively, timely determine current pressure state, read pressure value in real time, without manually making a copy of, avoid influence of personnel's subjective factor to data reliability.
Description
Technical field
The utility model is related to electrical equipment control technology fields, more particularly, to a kind of pressure gauge and pressure monitor system
System.
Background technology
Current transformer substation largely configures the electricity with SF6 (sulfur hexafluoride, sulfur hexafluoride) as dielectric
Gas equipment, such as GIS (Gas Insulated Substation, body insulated substations) equipment, breaker, current transformer etc.
Deng these equipment are designed with SF6 pressure gauges.The content of insulation performance, arc extinguishing ability, seal and SF6 gases is to judge high pressure
Several whether qualified standards of product, and the content of SF6 gases directly influences the arc extinguishing ability and insulation performance of equipment, so
Monitoring to the content of SF6 gases is necessary.
In equipment there are in the case of Air Leakage Defect, operations staff need to prevent according to leakage rate regular check SF6 pressure values
Only equipment Air Leakage Defect deterioration causes SF6 pressure relatively low, the accident events such as device latchup or short circuit.Under normal circumstances, power transformation
The operations staff that stands carries out needing to check whether the pressure value that SF6 pressure gauges are shown is normal when equipment-patrolling, and monthly human hand is made a copy of
SF6 pressure value, for 500kV GIS substations and 220kV GIS substations, the inspection of SF6 pressure and transcription jobs amount compared with
Greatly.
Therefore, existing pressure gauge intelligence degree is low, it is difficult to intuitively determine pressure state, data reliability by personnel
Subjective impact is serious, and cannot achieve the real-time detection to pressure gauge data.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of pressure gauge and pressure monitoring system, with can it is intuitive,
It timely determines current pressure state, reads pressure value in real time, without manually making a copy of, avoid personnel's subjective factor reliable to data
The influence of property.
In a first aspect, the utility model embodiment provides a kind of pressure gauge, including pressure gauge ontology, the pressure gauge sheet
Body includes pressure gauge housing, and main control chip, pressure sensor, multiple pressure pattern indicator lights are provided in the pressure gauge housing
And communication module, the pressure gauge housing surface are provided with multiple pressure pattern indicator lights；The pressure sensor, the communication
Module, the pressure pattern indicator light are connect with the main control chip respectively；The main control chip by the communication module with
Background monitoring machine connects；
Pressure interface is provided on the pressure gauge housing, the pressure interface is connected with SF6 gases, and the pressure passes
Sensor is arranged at the pressure interface；
The main control chip receives the pressure signal that pressure sensor is sent, and divides according to the pressure signal and in advance
Different pressures pattern determines current pressure pattern and lights corresponding pressure pattern indicator light.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, the pressure gauge housing is additionally provided with display port, and display, the display and the master control are provided at the display port
Chip connects.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein the pressure gauge housing is additionally provided with button mouth, and display is provided at the button mouth
Switch key, the monitor switch button are connect with the main control chip；When by pressing the switch key, the master control
Chip triggers the display and opens.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, Temperature Humidity Sensor, the Temperature Humidity Sensor and the master control are additionally provided at the pressure interface of the pressure gauge housing
Chip connects.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, the pressure gauge housing is additionally provided with delivery outlet, and the delivery outlet is provided with general-purpose serial bus USB interface；The pressure
Memory is additionally provided with inside watch case；The USB interface and the memory are connect with the main control chip.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, the pressure gauge ontology further includes the glass panel covered on dial plate, pointer, compression fittings and the dial plate；The pressure
Connector is connected with SF6 gases；
It is provided with graduation mark on the dial plate, fluorescent material layer is provided on the pointer, is provided on the graduation mark
Fluorescent material layer.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, positioning device is additionally provided with inside the pressure gauge housing, the positioning device is connected with the main control chip.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, the pressure gauge ontology is bourdon gauges, and the pressure gauge housing is stainless steel.
Second aspect, the utility model embodiment also provide a kind of pressure monitoring system, including background monitoring machine and such as the
Pressure gauge described in one side and its any possible embodiment；The pressure gauge and the background monitoring machine communication link
It connects.
In conjunction with second aspect, the utility model embodiment provides the first possible embodiment of second aspect,
In, further include warning device and display device；The warning device and display device are connect with the background monitoring machine.
The utility model embodiment brings following advantageous effect：
In the utility model embodiment, pressure gauge includes pressure gauge ontology, and pressure gauge ontology includes pressure gauge housing, pressure
Main control chip, pressure sensor, multiple pressure pattern indicator lights and communication module, pressure gauge housing surface are provided in watch case
It is provided with multiple pressure pattern indicator lights；Pressure sensor, communication module, pressure pattern indicator light connect with main control chip respectively
It connects；Main control chip is connect by communication module with background monitoring machine；Be provided with pressure interface on pressure gauge housing, pressure interface with
SF6 gases are connected, and pressure sensor is arranged at the pressure interface；Main control chip receives the pressure that pressure sensor is sent
Signal determines current pressure pattern and lights corresponding pressure according to the pressure signal and the different pressures pattern divided in advance
Mode indicating lamp.In technical solution provided by the utility model, can intuitively, timely it be determined by pressure pattern indicator light
Current pressure state, and main control chip reads and is transmitted to background monitoring machine in real time to the pressure value that pressure sensor detects,
Without manually making a copy of, influence of personnel's subjective factor to data reliability is avoided.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
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 implementation mode 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, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram for the pressure gauge that the utility model embodiment provides；
Fig. 2 is a kind of communication link map interlinking for the pressure gauge that the utility model embodiment provides；
Fig. 3 is another communication link map interlinking for the pressure gauge that the utility model embodiment provides；
Fig. 4 is a kind of structural schematic diagram for the pressure monitoring system that the utility model embodiment provides.
Icon：
100- pressure gauges；120- pressure gauge housings；130- dial plates；140- pointers；150- compression fittings；101- master control cores
Piece；102- pressure sensors；103- communication modules；104- pressure pattern indicator lights；105- pressure interfaces；106- display ports；
107- displays；108- monitor switch buttons；109- Temperature Humidity Sensors；110-USB interfaces；111- memories；112- is fixed
Position device；100- pressure gauges；200- background monitoring machines；300- warning devices；400- display devices.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment 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 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
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Current existing pressure gauge intelligence degree is low, it is difficult to intuitively determine pressure state, data reliability by personnel
Subjective impact is serious, and cannot achieve the real-time detection to pressure gauge data.Based on this, the utility model embodiment provide one
Kind of pressure gauge and pressure monitoring system can be, but not limited to as the pressure measurement and monitoring of the SF6 gases as dielectric, should
Pressure gauge can be transformed on the basis of traditional mechanical watch, can be intuitive, in time really by pressure pattern indicator light
Settled preceding pressure state, and main control chip reads the pressure value that pressure sensor detects and is transmitted to background monitoring in real time
Machine avoids influence of personnel's subjective factor to data reliability without manually making a copy of.
For ease of understanding the present embodiment, a kind of pressure gauge disclosed in the utility model embodiment is carried out first
It is discussed in detail.
Embodiment one：
Referring to Fig. 1 and Fig. 2, pressure gauge 100 provided in this embodiment includes pressure gauge ontology, and pressure gauge ontology includes pressure
The glass panel (not shown) covered on watch case 120, dial plate 130, pointer 140, compression fittings 150 and dial plate.Pressure
Main control chip 101, pressure sensor 102 and communication module 103 are provided in watch case 120, pressure gauge housing surface is provided with
Multiple pressure pattern indicator lights 104.Pressure sensor, communication module, pressure pattern indicator light are connect with main control chip respectively；It is main
Control chip is connect by communication module with background monitoring machine, and compression fittings 150 are connected with SF6 gases.
In a possible embodiment, above-mentioned pressure gauge ontology is bourdon gauges, and pressure gauge housing is stainless steel.
Tempered glass may be used in glass panel, has higher degree of protection, to adapt to the requirement of outdoor long-time service.
It may be wireless communication module that wherein communication module, which can be wire communication module, be not construed as limiting here.Specifically
Ground can require to be selected according to transmission range, transmission performance, in a possible embodiment, it is contemplated that wireless communication module
Reliability is not high, can preferably wire communication module communicated, such as communicated using RS485 communication modules.
Above-mentioned main control chip can be, but not limited to that STM32 chips, pressure sensor is used to can be, but not limited to use high pressure
Group strain gauge transducer, connection side is determined between the pressure sensor and STM32 chips according to the concrete model of pressure sensor
Formula, such as RS485.Above-mentioned pressure pattern indicator light can be, but not limited to LED (the Light Emitting using different colours
Diode, light emitting diode).
Pressure interface 105 is provided on the pressure gauge housing, pressure interface is connected with SF6 gases, pressure sensor
It is arranged at pressure interface；Main control chip receives the pressure signal that pressure sensor is sent, according to the pressure signal and advance stroke
The different pressures pattern divided, determines current pressure pattern and lights corresponding pressure pattern indicator light.
Specifically, pressure sensor can acquire the pressure signal of SF6 gases in real time, and the pressure signal is transmitted to master
Chip is controlled, main control chip determines specific pressure value according to the pressure signal, by the pressure value and the different pressures for realizing division
The corresponding pressure limit of pattern is compared, so that it is determined that the current pressure pattern of pressure gauge, and according to current pressure mode point
Bright corresponding pressure pattern indicator light.In a possible embodiment, above-mentioned pressure pattern includes normal mode, under-voltage pattern, closes
Latching mode.If current pressure pattern is normal mode, indicate that equipment is working properly and is not necessarily to tonifying Qi；If current pressure pattern is deficient
Die pressing type indicates that current device can continue to run with, single to need timely tonifying Qi to prevent decreasing insulating；If current pressure pattern
For non-blocking mode, indicates that current device has been not normally functioning, accident can occur if operation.Pass through pressure pattern indicator light
Tour personnel can be helped quickly to determine current pressure pattern, with it is timely, effectively coped with.
In technical solution provided by the utility model, by pressure pattern indicator light can intuitively, timely determination work as
Preceding pressure state, and main control chip reads and is transmitted to background monitoring machine, nothing in real time to the pressure value that pressure sensor detects
It need to manually make a copy of, avoid influence of personnel's subjective factor to data reliability.
In a possible embodiment, referring to Fig. 3, above-mentioned pressure gauge housing is additionally provided with display port 106, is set at the display port
It is equipped with display 107, display is connect with main control chip.In a possible embodiment, aforementioned display device can be, but not limited to for
LCD1602.Specifically, after STM32 converts pressure signal to pressure value, control LCD1602 is shown that there is no need to make an inspection tour
Personnel are read by pointer, avoid influence of the subjective factor to pressure data.
In view of in non-tour time, carrying out pressure without display and showing, in a possible embodiment, pressure gauge housing
It is additionally provided with button mouth, monitor switch button 108 is provided at the button mouth, monitor switch button connects with main control chip
It connects；When by pressing switch key, main control chip trigger scope is opened.
Further, it is contemplated that influence and humidity influence to SF6 gas-insulated performance of the temperature to pressure, above-mentioned pressure
Temperature Humidity Sensor 109 is additionally provided at the pressure interface of power watch case, Temperature Humidity Sensor is connect with main control chip.Possible
Embodiment in, above-mentioned Temperature Humidity Sensor 109 can be, but not limited to use DTH11.The Temperature Humidity Sensor acquires warm and humid
Angle value can also be shown by display, or be transmitted to background monitoring machine by communication module by main control chip.
In a possible embodiment, above-mentioned pressure gauge housing is additionally provided with delivery outlet, which is provided with general serial
Bus USB (Universal Serial Bus) interface 110；Memory 111 is additionally provided with inside pressure gauge housing.The USB connects
Mouth and memory are connect with main control chip.Specifically, main control chip can store the pressure value of reading, temperature and humidity value to depositing
Reservoir, when communication module damage can not be wirelessly transferred, tour personnel can directly be exported data by USB interface,
In case subsequent processing uses.
It is considered that in the case of dark, need that the pressure value in dial plate could be read by lighting apparatus, to patrolling
Great inconvenience is brought depending on personnel, and reduces working efficiency, in possible embodiment, quarter is provided on above-mentioned dial plate
Line is spent, fluorescent material layer is provided on pointer, fluorescent material layer is provided on graduation mark.Tour personnel is in dark in this way
In the case of, it can also clearly read the pointer position of pressure gauge.
In a possible embodiment, in order to quickly position each pressure gauge, it is fixed to be additionally provided with inside above-mentioned pressure gauge housing
Position device 112, the positioning device are connected with main control chip.Specifically, positioning device acquires the location information of corresponding pressure gauge,
Main control chip is sent to background monitoring machine according to the location information by communication module, can also be sent to the hand-held of tour personnel
Terminal device improves quickly to be positioned to pressure gauge during making an inspection tour and makes an inspection tour efficiency.
In conclusion the pressure gauge that the utility model embodiment provides, can carry out pressure value and read display, difference automatically
Pressure pattern instruction, temperature and humidity value automatically read etc. functions, can also realize pressure value, temperature and humidity value, location information it is long-range
Transmission, enables the pressure value of the background monitoring machine real-time watch device of substation, carries out pressure value variation anticipation in advance, in time
Carry out the tracking of equipment Air Leakage Defect and processing.Secondly as background monitoring machine is capable of the pressure value of real-time watch device, people is run
Member makes a copy of pressure value without human hand, reduces field operator's workload, adherence pressure data transcription efforts efficiency and quality.
Embodiment two：
Fig. 4 shows the structural schematic diagram for the pressure monitoring system that the utility model embodiment provides, as shown in figure 4, should
Pressure monitoring system includes the pressure gauge 100 in background monitoring machine 200 and such as embodiment one；Pressure gauge is communicated with background monitoring machine
Connection.
Specifically, background monitoring machine obtains pressure value by communication module, analyzes the variation tendency of the pressure value, in advance
Anticipation is changed to pressure value, carries out the tracking of equipment Air Leakage Defect and processing in time.Specifically, extracting one every preset duration
The pressure value at secondary current time calculates the mean difference of the pressure value, and according to average after pressure value reaches preset quantity
Difference, preset duration, predetermined coefficient determine the variation coefficient of pressure value.Wherein predetermined coefficient is related to temperature, can be according to reality
Situation is set.
In a possible embodiment, above-mentioned pressure monitoring system includes warning device 300 and display device 400；Alarm dress
It sets and is connect with background monitoring machine with display device.The warning device can be, but not limited to for audible-visual annunciator, speech player,
Image-text display etc..
In a possible embodiment, background monitoring machine is according to the corresponding pressure limit of different pressures pattern divided in advance,
The current pressure pattern for determining pressure gauge, when the current operation mode of pressure gauge is under-voltage pattern either non-blocking mode, control
Warning device processed is alarmed.In this way pressure monitor in real time, the mode of abnormal automatic alarm, shorten accident from occurring processing
Duration, influence of the artifact to the promptness and validity of issue handling has been effectively relieved.
In a possible embodiment, the location information that background monitoring machine can be sent according to the positioning device of pressure gauge, it is fixed
Corresponding pressure gauge is arrived in position, and the mode of the location information of pressure gauge map is shown in display device.Specifically, also
Corresponding patrol route can be generated according to the location information, the handheld terminal which is sent to tour personnel is set
It is standby, in order to which tour personnel is in time handled problem, further increase treatment effeciency.
The pressure monitoring system that the utility model embodiment provides, the pressure gauge provided with above-described embodiment are having the same
Technical characteristic reaches identical technique effect so can also solve identical technical problem.
It is apparent to those skilled in the art that for convenience and simplicity of description, the pressure of foregoing description
The specific work process of monitoring system can refer to the corresponding process in aforementioned pressure table embodiment, and details are not described herein.
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
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.Unless in addition specific
Illustrate, opposite step, numerical expression and the numerical value of the component and step that otherwise illustrate in these embodiments are not intended to limit this
The range of utility model.
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 division of logic function, formula that in actual implementation, there may be another division manner, in another example, multiple units or component 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 by some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected 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 be integrated in a processing unit,
Can be that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer read/write memory medium of a processor.Based on this understanding, this practicality
Substantially the part of the part that contributes to existing technology or the technical solution can be in other words for novel technical solution
The form of software product embodies, which is stored in a storage medium, including some instructions to
So that computer equipment (can be personal computer, server or the network equipment an etc.) execution the utility model is each
The all or part of step of embodiment the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD
Etc. the various media that can store program code.
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 scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art 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 the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, 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 scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of pressure gauge, which is characterized in that including pressure gauge ontology, the pressure gauge ontology includes pressure gauge housing, described
Main control chip, pressure sensor, multiple pressure pattern indicator lights and communication module, the pressure gauge are provided in pressure gauge housing
Case surface is provided with multiple pressure pattern indicator lights；The pressure sensor, the communication module, pressure pattern instruction
Lamp is connect with the main control chip respectively；The main control chip is connect by the communication module with background monitoring machine；
Pressure interface is provided on the pressure gauge housing, the pressure interface is connected with SF6 gases, the pressure sensor
It is arranged at the pressure interface；
The main control chip receives the pressure signal that pressure sensor is sent, according to the pressure signal and the difference divided in advance
Pressure pattern determines current pressure pattern and lights corresponding pressure pattern indicator light.
2. pressure gauge according to claim 1, which is characterized in that the pressure gauge housing is additionally provided with display port, described
Display is provided at display port, the display is connect with the main control chip.
3. pressure gauge according to claim 2, which is characterized in that the pressure gauge housing is additionally provided with button mouth, described
Monitor switch button is provided at button mouth, the monitor switch button is connect with the main control chip；Pass through pressing institute
When stating switch key, the main control chip triggers the display and opens.
4. pressure gauge according to claim 1, which is characterized in that be additionally provided at the pressure interface of the pressure gauge housing
Temperature Humidity Sensor, the Temperature Humidity Sensor are connect with the main control chip.
5. pressure gauge according to claim 1, which is characterized in that the pressure gauge housing is additionally provided with delivery outlet, described
Delivery outlet is provided with general-purpose serial bus USB interface；It is additionally provided with memory inside the pressure gauge housing；The USB interface
It is connect with the main control chip with the memory.
6. pressure gauge according to claim 1, which is characterized in that the pressure gauge ontology further includes dial plate, pointer, pressure
The glass panel covered on connector and the dial plate；The compression fittings are connected with SF6 gases；
It is provided with graduation mark on the dial plate, fluorescent material layer is provided on the pointer, fluorescence is provided on the graduation mark
Material layer.
7. pressure gauge according to claim 1, which is characterized in that be additionally provided with positioning dress inside the pressure gauge housing
It sets, the positioning device is connected with the main control chip.
8. pressure gauge according to claim 1, which is characterized in that the pressure gauge ontology is bourdon gauges, described
Pressure gauge housing is stainless steel.
9. a kind of pressure monitoring system, which is characterized in that including background monitoring machine and such as claim 1 to 8 any one of them
Pressure gauge；The pressure gauge is communicated to connect with the background monitoring machine.
10. pressure monitoring system according to claim 9, which is characterized in that further include warning device and display device；Institute
Warning device and display device is stated to connect with the background monitoring machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646153.7U CN208043316U (en) | 2018-04-28 | 2018-04-28 | Pressure gauge and pressure monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820646153.7U CN208043316U (en) | 2018-04-28 | 2018-04-28 | Pressure gauge and pressure monitoring system |
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| Publication Number | Publication Date |
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| CN208043316U true CN208043316U (en) | 2018-11-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375448A (en) * | 2018-04-28 | 2018-08-07 | 广东电网有限责任公司 | Pressure gauge and pressure monitoring system |
| CN110285917A (en) * | 2019-06-21 | 2019-09-27 | 国家电网有限公司 | The method and SF6 meter of SF6 meter measuring and calculating pressure value |
-
2018
- 2018-04-28 CN CN201820646153.7U patent/CN208043316U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375448A (en) * | 2018-04-28 | 2018-08-07 | 广东电网有限责任公司 | Pressure gauge and pressure monitoring system |
| CN110285917A (en) * | 2019-06-21 | 2019-09-27 | 国家电网有限公司 | The method and SF6 meter of SF6 meter measuring and calculating pressure value |
| CN110285917B (en) * | 2019-06-21 | 2021-10-22 | 国家电网有限公司 | Method for measuring and calculating pressure value by using SF6 meter and SF6 meter |
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