CN205373784U - Balanced calculating system of fluid meter utensil and fluid - Google Patents
Balanced calculating system of fluid meter utensil and fluid Download PDFInfo
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- CN205373784U CN205373784U CN201520999017.2U CN201520999017U CN205373784U CN 205373784 U CN205373784 U CN 205373784U CN 201520999017 U CN201520999017 U CN 201520999017U CN 205373784 U CN205373784 U CN 205373784U
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Abstract
The utility model provides a balanced calculating system of fluid meter utensil and fluid belongs to the metering device field, including the traffic collection unit, the control unit and the timing unit that are used for gathering fluid flow, the control unit includes the flowmeter measurer, is used for obtaining constantly the data collection card and the A data storage device of fluid flow data in the settlement cycle, and the traffic collection unit is connected with the flowmeter measurer, and the timing unit is connected with data collection card. This kind of balanced calculating system of fluid meter utensil and fluid sets for the fluid flow of the moment and hour recording place pipeline node and saves at every, the balanced calculating system of current fluid has been solved when the data of acquireing each grade fluid meter utensil, because the communication delay causes the ageing of data and accuracy to receive the influence, whether the result that calculates can't accurate monitoring take place to reveal, the problem of booster etc, and in case take place to reveal, booster etc, the system can be more accurate judge and take place to reveal, the pipeline section of booster etc, so that the timely salvagees, avoid the waste of fluid resource.
Description
Technical field
This utility model relates to metering device field, in particular to a kind of fluid metering utensil and fluid balance calculating system.
Background technology
Existing fluid balance calculating system is uploaded real-time accumulated consumption by timing and is carried out fluid balance measuring and calculating, the i.e. data of all fluid metering utensils of system every setting cycle moment copy reading, and calculate the error amount between every grade of fluid metering utensil according to the annexation between fluid metering utensil, thus whether the pipeline monitoring water pipe is revealed, booster etc. and leakage, the position of booster etc., once reveal, booster etc., alarm can be sent by system and provide leakage, the pipeline sections such as booster, it is thus possible to quick solution is revealed, the problems such as booster, stop fluid resources waste.Thus, the ageing and accuracy requirement of the accumulative consumption that every one-level fluid meter tool is uploaded is very high.
But in prior art, fluid balance calculating system is when obtaining the accumulative consumption of every one-level fluid meter tool, owing to the reason of communication delay causes the ageing of data and accuracy to be affected by having a strong impact on, the result calculated also is unable to reach the requirement of accurate measurements leakage, booster etc..
Utility model content
The purpose of this utility model is in that to provide a kind of fluid metering utensil and fluid balance calculating system, to improve existing fluid balance calculating system when obtaining the data of every one-level fluid meter tool, cause the ageing of data due to communication delay and accuracy be affected, the result calculated cannot accurate measurements whether reveal, the problem of booster etc..
This utility model is achieved in that
A kind of fluid metering utensil, including for gathering the flow collection unit of fluid flow, control unit and timing unit,
Described control unit include the flow gauge for calculating fluid flow, for the setting cycle moment from described flow gauge obtain fluid flow data data collecting card and for storing the data storage device of described fluid flow data,
Described flow collection unit is connected with described flow gauge, and described timing unit is connected with described data collecting card.
Data acquisition is stuck in the setting cycle moment and obtains fluid flow data be stored in data storage device from flow gauge, wait that the host computer of fluid balance calculating system gathers described fluid flow data and carries out fluid balance measuring and calculating and analyze, to monitor whether to reveal, booster etc..This fluid metering utensil records the fluid flow of place piping node in time in each setting moment and stores, namely in pipe network, all this fluid metering utensils all record in the same setting moment and store the data on flows of respective node, ensure that the data that data are synchronization that fluid balance calculating system adopts when measuring and calculating, solve existing fluid balance calculating system when obtaining the data of every one-level fluid meter tool, owing to communication delay causes the ageing of data and accuracy to be affected, whether the result calculated cannot be revealed by accurate measurements, the problem of booster etc., and once reveal, booster etc., system can judge to reveal more accurately, the pipeline section of booster etc., to rush to repair timely, avoid the waste of fluid resources.
Further, described flow gauge includes the first quantifier for calculating accumulative fluid flow, for calculating the second quantifier of moon fluid flow and for calculating the 3rd quantifier of every setting cycle fluid flow,
Described second quantifier is connected with described first quantifier, the 3rd quantifier respectively.
Adopt this design to be advantageous in that the measuring and calculating analysis facilitating fluid balance calculating system, directly just can determine whether whether reveal in this hours according to the calculating data of the 3rd quantifier, booster etc..
Further, described flow collection unit includes sensor.
By sensor acquisition fluid flow, and physical quantity being converted into signal of telecommunication transmission to flow gauge, this design makes the metering performance of fluid metering utensil more to lean on, lower in cost honest and clean.
Further, described sensor includes magnet rotor, Hall element and amplifier,
Described magnet rotor is connected with described Hall element, and the signal output part of described Hall element is connected with the signal input part of described amplifier, and the signal output part of described amplifier is connected with described metering subelement.
Sensor adopts the advantage of this design to be in that sensitive, the life-span length of reflection, is swift in motion, safe and reliable, easy to connect.
Further, described timing unit includes clock circuit.By clock circuit timing, provide node accurately to gather the moment for data collecting card, better ensure that the reliability of the acquired fluid flow data of fluid balance calculating system and ageing.
Further, described clock circuit includes clock chip,
The signal output part of described clock chip is connected with described data collecting card.
Further, described fluid metering utensil also includes display unit, and described display unit is connected with described control unit.
The display unit of fluid metering utensil show accumulative fluid flow, the moon fluid flow, the fluid flow of each setting cycle and the information such as the cumulative consumption amount of money, of that month spending amount, accumulative subsidy spending amount, of that month subsidy spending amount, user balance, subsidy remaining sum, current fluid unit price, facilitate user to check to know fluid service condition and spending amount in time.
Further, described display unit includes liquid crystal display.Liquid crystal display has the advantages such as energy-conservation, effective area big, radiation index is low, image quality fine, lightweight, thickness is thin.
Further, described fluid metering utensil also includes the communication unit for being connected with host computer, and described communication unit is connected with described control unit.
The stored fluid flow data of data storage device are uploaded to host computer by communication unit and carry out water balance measuring and calculating analysis for fluid balance calculating system.This design is advantageous in that and achieves remote meter reading, precisely convenient and swift, uses manpower and material resources sparingly.
A kind of fluid balance calculating system, including host computer and the fluid metering utensil being provided with communication unit, described host computer includes data reception module and data processing module,
Described data reception module is connected with described communication unit, and described data processing module is connected with described data reception module.
Data reception module receives the fluid flow data that fluid metering utensil is uploaded, and is undertaken with Monitoring Data whether extremely measuring and calculating is analyzed by data processing module.
The fluid metering utensil of this utility model offer and fluid balance calculating system, it is stuck in the setting cycle moment by data acquisition and obtains fluid flow data be stored in data storage device from flow gauge, wait that the host computer of fluid balance calculating system gathers described fluid flow data and carries out fluid balance measuring and calculating and analyze, to monitor whether to reveal, booster etc..This fluid metering utensil records the fluid flow of place piping node in time in each setting moment and stores, namely in pipe network, all this fluid metering utensils all record in the same setting moment and store the data on flows of respective node, ensure that the data that data are synchronization that fluid balance calculating system adopts when measuring and calculating, solve existing fluid balance calculating system when obtaining the data of every one-level fluid meter tool, owing to communication delay causes the ageing of data and accuracy to be affected, whether the result calculated cannot be revealed by accurate measurements, the problem of booster etc., and once reveal, booster etc., system can judge to reveal more accurately, the pipeline section of booster etc., to rush to repair timely, avoid the waste of fluid resources.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing used required in embodiment will be briefly described below, it is to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope it is not construed as, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
The structured flowchart of a kind of fluid metering utensil that Fig. 1 provides for this utility model embodiment；
The modular structure block diagram of a kind of fluid metering utensil that Fig. 2 provides for this utility model embodiment；
The modular structure block diagram of the one other fluid measurement instrument that Fig. 3 provides for this utility model embodiment；
The modular structure block diagram of the one other fluid measurement instrument that Fig. 4 provides for this utility model embodiment；
The structured flowchart of the one other fluid measurement instrument that Fig. 5 provides for this utility model embodiment；
The modular structure block diagram of the one other fluid measurement instrument that Fig. 6 provides for this utility model embodiment；
The modular structure block diagram of the one other fluid measurement instrument that Fig. 7 provides for this utility model embodiment.
Accompanying drawing labelling:
Flow collection unit 100；Sensor 101；Control unit 200；Flow gauge 201；First quantifier 211；Second quantifier 212；3rd quantifier 213；Data collecting card 202；Data storage device 203；Timing unit 300；Display unit 400；Communication unit 500；Host computer 600；Data reception module 601；Data processing module 602.
Detailed description of the invention
Fluid balance calculating system is mainly used in whether monitoring fluid circuit is revealed, booster etc. and leakages, booster etc. position, once reveal, booster etc., alarm can be sent by system, and go to determine the pipeline sections such as leakage, booster, it is thus possible to quickly solve the problems such as leakage, booster, stop fluid resources waste.Therefore to the fluid volume that fluid metering utensils at different levels are uploaded ageing, accuracy requirement is significantly high.When but prior art gathers data, certain intervals is there is owing to the reason of communication delay result in the time uploading data between fluid metering utensil at different levels, such data are carried out fluid balance measuring and calculating, and the result drawn is unable to reach the requirement of detection leakage, booster etc..
Those skilled in the art are seeking a kind of method improving this problem for a long time always.
In consideration of it, designer of the present utility model is by long-term exploration and trial, and experiment repeatedly and effort, constantly reform and innovate, obtain a kind of fluid metering utensil by a series of design, it is possible to improve the problems referred to above preferably.
For making the purpose of this utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in this utility model embodiment, technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is a part of embodiment of this utility model, rather than whole embodiments.Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that illustrate described in accompanying drawing herein.
Therefore, below the detailed description of the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model, but is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
It should also be noted that similar label and letter below figure represent similar terms, therefore, once a certain Xiang Yi accompanying drawing is defined, then it need not be carried out definition further and explain in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation usually put or position relationship when using, it is for only for ease of description this utility model and simplifies description, rather than the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, can also be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can include the first and second features and directly contact, it is also possible to include the first and second features and be not directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " include fisrt feature directly over second feature and oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " include fisrt feature immediately below second feature and obliquely downward, or be merely representative of fisrt feature level height less than second feature.
Refer to Fig. 1-Fig. 7
The fluid metering utensil that the present embodiment provides, including for gathering the flow collection unit 100 of fluid flow, control unit 200 and timing unit 300, wherein, control unit 200 include the flow gauge 201 for calculating fluid flow, for obtaining the data collecting card 202 of fluid flow data and for storing the data storage device 203 of described fluid flow data in the setting cycle moment from flow gauge 201；Flow collection unit 100 is connected with flow gauge 201, and timing unit 300 is connected with data collecting card 202.
The fluid flow data of Real-time Collection are converted into pulse signal and send the flow gauge 201 to control unit 200 by flow collection unit 100, flow gauge 201 calculates the data of fluid flow according to the described signal of telecommunication, data collecting card 202 obtains the time from timing unit 300, when the setting cycle moment, data collecting card 202 gathers described fluid flow data from flow gauge 201, and is stored in data storage device 203.Preferably, data storage device 203 includes memory card or TF card.
This fluid metering utensil solves existing fluid balance calculating system when obtaining the data of every one-level fluid meter tool, owing to communication delay causes the ageing of data and accuracy to be affected, the result calculated cannot accurate measurements whether reveal, the problem of booster etc., and once reveal, booster etc., system can judge to reveal more accurately, the pipeline section of booster etc., to rush to repair timely, it is to avoid the waste of fluid resources.
In order to more convenient fluid balance calculating system carries out the computational analysis of fluid balance, in the fluid metering utensil that the present embodiment provides, flow gauge 201 includes three metering sections, respectively it is used for calculating the first quantifier 211 of accumulative fluid flow, for calculating the second quantifier 212 of moon fluid flow and for calculating the 3rd quantifier 213 of fluid flow per hour, wherein, the second quantifier 212 is connected with the first quantifier the 211, the 3rd quantifier 213 respectively.
Accumulative fluid flow can represent in this year water consumption up to now, such as current date is August 10, what then accumulative fluid flow represented is exactly the fluid volume to July 31 on the January 1, what month fluid flow represented is fluid flow and this month fluid flow up to now in each month, still for the above-mentioned date, what month fluid flow represented is 1 month fluid flow to every month in July and August the fluid flow to 10 days, fluid flow hourly is as the term suggests what represent is the water consumption in unit hour.
The fluid flow data of Real-time Collection are converted into pulse signal and send to flow gauge 201 by flow collection unit 100, the 3rd quantifier 213 in flow gauge 201 calculates real-time fluid flow data according to described signal and adds up, second quantifier 212 is connected with the 3rd quantifier 213, fluid flow data according to the 3rd quantifier 213 calculate moon fluid flow data, first quantifier 211 is connected with the second quantifier 212, and the fluid flow data according to the second quantifier 212 calculate accumulative fluid flow.
Flow collection unit 100 includes sensor 101, the concrete structure of sensor 101 has multiple implementation, preferably, including magnet rotor, Hall element and amplifier, described magnet rotor is connected with described Hall element, the signal output part of described Hall element is connected with the signal input part of described amplifier, and the signal output part of described amplifier is connected with flow gauge 201.
Current are taken turns switch housing by leaf (/ whirlpool) and are promoted magnet rotor to rotate, different magnetic poles is Hall element conducting when Hall element, when leaving, Hall element disconnects, thus can measure the rotating speed of magnet rotor, rotating speed linear due to water velocity and magnet rotor, fluid flow is directly proportional to water velocity again, so the magnet rotor rotating speed according to actual measurement exports the signal of telecommunication and sends to flow gauge 201, flow gauge 201 just can calculate fluid flow data according to the described signal of telecommunication.
Hall voltage changes with the change of magnetic field intensity, magnetic field is more strong, voltage is more high, magnetic field is more weak, and voltage is more low, and Hall voltage value is only small, generally only several millivolts, needing amplified device to amplify just can make this voltage amplification export the stronger signal of telecommunication to being enough to, so the signal output part of Hall element is connected with the signal input part of amplifier, the signal output part of amplifier is connected with flow gauge 201.
Timing unit 300 in the fluid metering utensil that the present embodiment provides, preferably, including clock circuit, clock circuit comprises clock chip, the signal output part of clock chip is connected with data collecting card 202, whether data collecting card 202 obtains the time from clock chip, change according to hour position of time and determine whether collection fluid flow data from flow gauge 201.
Can select, for clock chip, the low-power consumption real-time timepiece chip DS1302 with the thin current charges ability of tiny stream that DALLAS company of the U.S. releases, it is also possible to according to different embodiments carry out corresponding preferably.
Check to facilitate user so as to know in time accumulative fluid flow, the moon fluid flow, the fluid flow of each hour and the information such as the cumulative consumption amount of money, of that month spending amount, accumulative subsidy spending amount, of that month subsidy spending amount, user balance, subsidy remaining sum, current fluid unit price, the fluid metering utensil that the present embodiment provides is additionally provided with display unit 400, and display unit 400 is connected with control unit 200.
Preferably, described display unit 400 includes liquid crystal display, because liquid crystal display has the advantages such as energy-conservation, effective area big, radiation index is low, image quality fine, lightweight, thickness is thin.
The fluid metering utensil that the present embodiment provides is additionally provided with the communication unit 500 for communicating with the host computer 600 in fluid balance calculating system, and communication unit 500 is connected with control unit 200, it is preferable that communication unit 500 is wireless communication module.After host computer 600 sends uploading instructions, in data storage device 203, the fluid flow data of storage are sent to host computer 600 by communication unit 500, data reception module 601 in host computer 600 receives described fluid flow data, and through data processing module 602, described fluid flow data are processed, computing and analysis, to judge whether to reveal, the situation such as booster, wherein, carried out data transmission by Ethernet+RS485 network (or Ethernet+MeterBUS network) between data reception module 601 and communication unit 500.
In order to better illustrate this utility model, the present embodiment enumerates some specific embodiments, as follows:
Embodiment 1
A kind of fluid metering utensil, including for gathering the flow collection unit 100 of fluid flow, control unit 200 and timing unit 300, described control unit 200 includes the flow gauge 201 for calculating fluid flow, for obtaining the data collecting card 202 of fluid flow data and for storing the data storage device 203 of described fluid flow data in the setting cycle moment from described flow gauge 201, described flow collection unit 100 is connected with described flow gauge 201, and described timing unit 300 is connected with described data collecting card 202.
Described flow gauge 201 includes the first quantifier 211 for calculating accumulative fluid flow, for calculating the second quantifier 212 of moon fluid flow and for calculating the 3rd quantifier 213 of fluid flow per hour, described second quantifier 212 is connected with described first quantifier 211, described 3rd quantifier 213 respectively.
Described flow collection unit 100 includes sensor 101, described sensor 101 includes magnet rotor, Hall (also optional Wiegand or tongue tube) element and amplifier, described magnet rotor is connected with described Hall element, the signal output part of described Hall element is connected with the signal input part of described amplifier, and the signal output part of described amplifier is connected with described flow gauge 201.
Embodiment 2
A kind of fluid metering utensil, including for gathering the flow collection unit 100 of fluid flow, control unit 200 and timing unit 300, described control unit 200 includes the flow gauge 201 for calculating fluid flow, for obtaining the data collecting card 202 of fluid flow data and for storing the data storage device 203 of described fluid flow data in the setting cycle moment from described flow gauge 201, described flow collection unit 100 is connected with described flow gauge 201, and described timing unit 300 is connected with described data collecting card 202.
Described timing unit 300 includes clock circuit, and described clock circuit includes clock chip, and the signal output part of described clock chip is connected with described data collecting card 202.
Described fluid metering utensil also includes display unit 400, and described display unit 400 is connected with described control unit 200, and described display unit 400 includes liquid crystal display.
Embodiment 3
A kind of fluid metering utensil, including for gathering the flow collection unit 100 of fluid flow, control unit 200 and timing unit 300, described control unit 200 includes the flow gauge 201 for calculating fluid flow, for obtaining the data collecting card 202 of fluid flow data and for storing the data storage device 203 of described fluid flow data in the setting cycle moment from described flow gauge 201, described flow collection unit 100 is connected with described flow gauge 201, and described timing unit 300 is connected with described data collecting card 202.
Described flow gauge 201 includes the first quantifier 211 for calculating accumulative fluid flow, for calculating the second quantifier 212 of moon fluid flow and for calculating the 3rd quantifier 213 of fluid flow per hour, described second quantifier 212 is connected with described first quantifier 211, described 3rd quantifier 213 respectively.
Described flow collection unit 100 includes sensor 101.
Described sensor 101 includes magnet rotor, Hall element and amplifier, described magnet rotor is connected with described Hall element, the signal output part of described Hall element is connected with the signal input part of described amplifier, and the signal output part of described amplifier is connected with described flow gauge 201.
Described timing unit 300 includes clock circuit；Described fluid metering utensil also includes display unit 400, and described display unit 400 is connected with described control unit 200；Described fluid metering utensil also includes the communication unit 500 for being connected with host computer 600, and described communication unit 500 is connected with described control unit 200.
A kind of fluid balance calculating system, including host computer 600 and the fluid metering utensil including communication unit 500, described host computer 600 includes data reception module 601 and data processing module 602, described data reception module 601 is connected with described communication unit 500, and described data processing module 602 is connected with described data reception module 601.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. a fluid metering utensil, it is characterised in that include for gathering the flow collection unit of fluid flow, control unit and timing unit,
Described control unit include the flow gauge for calculating fluid flow, for the setting cycle moment from described flow gauge obtain fluid flow data data collecting card and for storing the data storage device of described fluid flow data,
Described flow collection unit is connected with described flow gauge, and described timing unit is connected with described data collecting card.
2. a kind of fluid metering utensil according to claim 1, it is characterised in that
Described flow gauge includes the first quantifier for calculating accumulative fluid flow, for calculating the second quantifier of moon fluid flow and for calculating the 3rd quantifier of fluid flow per hour,
Described second quantifier is connected with described first quantifier, described 3rd quantifier respectively.
3. a kind of fluid metering utensil according to claim 1, it is characterised in that described flow collection unit includes sensor.
4. a kind of fluid metering utensil according to claim 3, it is characterised in that described sensor includes magnet rotor, Hall element and amplifier,
Described magnet rotor is connected with described Hall element, and the signal output part of described Hall element is connected with the signal input part of described amplifier, and the signal output part of described amplifier is connected with described flow gauge.
5. a kind of fluid metering utensil according to claim 1, it is characterised in that described timing unit includes clock circuit.
6. a kind of fluid metering utensil according to claim 5, it is characterised in that described clock circuit includes clock chip,
The signal output part of described clock chip is connected with described data collecting card.
7. a kind of fluid metering utensil according to claim 1, it is characterised in that described fluid metering utensil also includes display unit, and described display unit is connected with described control unit.
8. a kind of fluid metering utensil according to claim 7, it is characterised in that described display unit includes liquid crystal display.
9. a kind of fluid metering utensil according to claim 1, it is characterised in that described fluid metering utensil also includes the communication unit for being connected with host computer, and described communication unit is connected with described control unit.
10. a fluid balance calculating system, it is characterised in that include host computer and fluid metering utensil as claimed in claim 9,
Described host computer includes data reception module and data processing module,
Described data reception module is connected with described communication unit, and described data processing module is connected with described data reception module.
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| CN201520999017.2U CN205373784U (en) | 2015-12-04 | 2015-12-04 | Balanced calculating system of fluid meter utensil and fluid |
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| CN201520999017.2U CN205373784U (en) | 2015-12-04 | 2015-12-04 | Balanced calculating system of fluid meter utensil and fluid |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840467A (en) * | 2017-04-19 | 2017-06-13 | 广州市兆基仪表仪器制造有限公司 | A kind of display methods of low power-consumption intelligent calorimeter |
| CN113237514A (en) * | 2021-05-21 | 2021-08-10 | 信阳清源智联信息科技有限公司 | Low-power-consumption fluid temperature and pressure measuring device based on Internet of things and data transmission method thereof |
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2015
- 2015-12-04 CN CN201520999017.2U patent/CN205373784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106840467A (en) * | 2017-04-19 | 2017-06-13 | 广州市兆基仪表仪器制造有限公司 | A kind of display methods of low power-consumption intelligent calorimeter |
| CN113237514A (en) * | 2021-05-21 | 2021-08-10 | 信阳清源智联信息科技有限公司 | Low-power-consumption fluid temperature and pressure measuring device based on Internet of things and data transmission method thereof |
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