[go: up one dir, main page]

CN216283731U - Multifunctional ultrasonic water meter - Google Patents

Multifunctional ultrasonic water meter Download PDF

Info

Publication number
CN216283731U
CN216283731U CN202121964870.2U CN202121964870U CN216283731U CN 216283731 U CN216283731 U CN 216283731U CN 202121964870 U CN202121964870 U CN 202121964870U CN 216283731 U CN216283731 U CN 216283731U
Authority
CN
China
Prior art keywords
module
water meter
power supply
ultrasonic
electrically connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202121964870.2U
Other languages
Chinese (zh)
Inventor
苏健波
钟志康
张振达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Ake Technology Co ltd
Original Assignee
Guangdong Ake Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Ake Technology Co ltd filed Critical Guangdong Ake Technology Co ltd
Priority to CN202121964870.2U priority Critical patent/CN216283731U/en
Application granted granted Critical
Publication of CN216283731U publication Critical patent/CN216283731U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Landscapes

  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The utility model discloses a multifunctional ultrasonic water meter, which comprises a pipe body, a shell, a first connecting mechanism and a second connecting mechanism, wherein the pipe body is provided with a first connecting hole and a second connecting hole; the outer side wall of the tube body is symmetrically provided with two mounting grooves, two reflector plates are arranged inside the tube body, an ultrasonic sensing mechanism is arranged in each mounting groove, the shell is fixedly connected with the mounting grooves through the first connecting mechanism and the second connecting mechanism, and the ultrasonic sensing mechanism is used for sending and receiving ultrasonic waves; the inside of casing is equipped with power supply mechanism, positioning mechanism, communication mechanism and control mechanism, the surface of casing inlays and is equipped with display mechanism, communication mechanism, positioning mechanism, display mechanism and ultrasonic sensing mechanism all with control mechanism and power supply mechanism electric connection, control mechanism with power supply mechanism electric connection. By adopting the utility model, the problems of complicated meter reading, frequent battery replacement and difficult water prevention of the existing water meter can be solved.

Description

Multifunctional ultrasonic water meter
Technical Field
The utility model relates to the field of water meters, in particular to a multifunctional ultrasonic water meter.
Background
In recent years, in order to advocate the concept of saving water resources and control the artificial waste of water resources, the state usually installs a tap water meter on the water inlet pipeline of each household, an ultrasonic water meter is a novel water meter which further calculates the flow of water by detecting the time difference generated by the change of the speed when an ultrasonic sound beam propagates in water in a forward and reverse flow manner and analyzing and processing the time difference to obtain the flow rate of the water, and the novel water meter has excellent small-flow detection capability, can solve the problems of a plurality of traditional water meters, is more suitable for the gradient charging of water charges, is more suitable for the saving and reasonable utilization of water resources, and has wide market and application prospects.
Most of the existing ultrasonic water meters exist independently, and too much manpower and material resources are wasted for copying and writing water meter data; moreover, most water meters are powered by batteries, the batteries need to be replaced periodically, and if relevant workers forget to replace the batteries in time, charging failure is caused, so that much inconvenience is brought; in addition, because the water gauge work in more humid environment, need provide the guarantee to inside electronic components's waterproof rank, when discovering to leak or wade into water, can't in time maintain.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a multifunctional ultrasonic water meter, which can solve the problems of complicated meter reading, frequent battery replacement and difficult water prevention of the existing water meter.
In order to solve the technical problem, the utility model provides a multifunctional ultrasonic water meter which comprises a pipe body, a shell, a first connecting mechanism and a second connecting mechanism, wherein the pipe body is provided with a first connecting hole and a second connecting hole; the outer side wall of the tube body is symmetrically provided with two mounting grooves, two reflector plates are arranged inside the tube body, an ultrasonic sensing mechanism is arranged in each mounting groove, the shell is fixedly connected with the mounting grooves through the first connecting mechanism and the second connecting mechanism, and the ultrasonic sensing mechanism is used for sending and receiving ultrasonic waves; the inside of casing is equipped with power supply mechanism, positioning mechanism, communication mechanism and control mechanism, the surface of casing inlays and is equipped with display mechanism, communication mechanism, positioning mechanism, display mechanism and ultrasonic sensing mechanism all with control mechanism and power supply mechanism electric connection, control mechanism with power supply mechanism electric connection, positioning mechanism is used for fixing a position multi-functional ultrasonic water gauge, communication mechanism is used for communicating with external equipment.
Preferably, the two reflection sheets are symmetrically arranged inside the tube body, the two reflection sheets are arranged at the same horizontal height, and each reflection sheet is respectively arranged right below the ultrasonic sensing mechanism.
Preferably, the casing includes casing, casing and sealing washer down, go up the casing pass through the sealing washer with casing sealing connection down, the sealing washer is the silica gel circle.
Preferably, the display mechanism includes a display, a flip cover and a sealing glass, the sealing glass is fixedly disposed on the upper housing, the display is attached under the sealing glass, and the flip cover is disposed over the sealing glass and movably connected to the upper housing.
Preferably, flip's upper surface is equipped with photovoltaic board mechanism and light intensity sensing mechanism, photovoltaic board mechanism and light intensity sensing mechanism all with power supply mechanism and control mechanism electric connection, photovoltaic board mechanism is used for photovoltaic power generation, light intensity sensing mechanism is used for the light intensity of detection ring border.
Preferably, the power supply mechanism comprises a power adapter, a battery, a voltage stabilizing module, an input filtering module and an output filtering module; the power adapter is electrically connected with the charging end of the battery, the power supply end of the battery is electrically connected with the input end of the voltage stabilizing module and is grounded through the input filtering module, and the output end of the voltage stabilizing module is electrically connected with the communication mechanism, the positioning mechanism, the display mechanism, the ultrasonic sensing mechanism and the control mechanism and is grounded through the output filtering module.
Preferably, multi-functional ultrasonic water meter still includes the low electricity and reminds the mechanism, the low electricity is reminded the mechanism and is included voltage detection module, LED indicating module and speaker and remind the module, LED indicating module and speaker remind the module all with steady voltage module and control mechanism electric connection, voltage detection module with battery and control mechanism electric connection.
Preferably, multi-functional ultrasonic water meter still includes humidity detection mechanism, humidity detection mechanism locates the surface of body, humidity detection mechanism includes humidity detection sensor, first current-limiting module and second current-limiting module, humidity detection sensor passes through first current-limiting module with power supply mechanism electric connection, humidity detection sensor passes through second current-limiting module with control mechanism electric connection.
Preferably, multi-functional ultrasonic water meter still includes temperature-detecting mechanism, temperature-detecting mechanism locates on the body and be used for detecting its temperature, temperature-detecting mechanism includes temperature detection sensor, third current-limiting module and fourth current-limiting module, temperature detection sensor passes through third current-limiting module with power supply mechanism electric connection, temperature detection sensor passes through fourth current-limiting module with control mechanism electric connection.
Preferably, the communication mechanism is an infrared communication mechanism, an RF communication mechanism, a bluetooth communication mechanism or a WIFI communication mechanism.
The beneficial effects of the implementation of the utility model are as follows:
the ultrasonic sensor sends an ultrasonic signal through an ultrasonic sensing mechanism, the ultrasonic signal is reflected by a reflector plate, passes through water flow in a tube body, is reflected by another reflector plate and is finally received by another ultrasonic sensing mechanism; and analogizing in turn, measuring in the opposite direction, so as to obtain the water flow passing through the multifunctional ultrasonic water meter, wherein the positioning mechanism is used for positioning the multifunctional ultrasonic water meter, and the communication mechanism is used for transmitting the water flow and the positioning position of the multifunctional ultrasonic water meter to the user sides such as a background server or a mobile phone of a relevant worker, and the like, so that the remote meter reading of the water meter is realized. The utility model can solve the problems of complicated meter reading, frequent battery replacement and difficult water prevention of the existing water meter
Drawings
Fig. 1 is a schematic perspective view of a multifunctional ultrasonic water meter according to the present invention;
fig. 2 is an exploded view of the multifunctional ultrasonic water meter provided by the present invention;
fig. 3 is a schematic block diagram of the multifunctional ultrasonic water meter provided by the present invention;
fig. 4 is a schematic plan view of the multifunctional ultrasonic water meter according to the present invention;
FIG. 5 is a schematic structural view of a housing provided by the present invention;
FIG. 6 is a schematic structural view of a display mechanism provided by the present invention;
FIG. 7 is a schematic structural diagram of a photovoltaic panel mechanism and a light intensity sensing mechanism provided by the present invention;
FIG. 8 is a functional block diagram of a power supply mechanism provided by the present invention;
FIG. 9 is a functional block diagram of a low power alerting mechanism provided by the present invention;
FIG. 10 is a functional block diagram of a humidity detection mechanism provided by the present invention;
fig. 11 is a functional block diagram of a temperature detection mechanism provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.
As shown in fig. 1 to 4, the present invention provides a multifunctional ultrasonic water meter, which includes a pipe body 1, a housing 2, a first connecting mechanism 3 and a second connecting mechanism 4; the outer side wall of the tube body 1 is symmetrically provided with two mounting grooves 5, two reflector plates 6 are arranged inside the tube body 1, an ultrasonic sensing mechanism 7 is arranged in each mounting groove 5, the shell 2 is fixedly connected with the mounting grooves 5 through the first connecting mechanism 3 and the second connecting mechanism 4, and the ultrasonic sensing mechanism 7 is used for sending and receiving ultrasonic waves; the inside of casing 2 is equipped with power supply mechanism 8, positioning mechanism 9, communication mechanism 10 and control mechanism 11, the surface of casing 2 inlays and is equipped with display mechanism 12, communication mechanism 10, positioning mechanism 9, display mechanism 12 and ultrasonic sensing mechanism 7 all with control mechanism 11 and 8 electric connection of power supply mechanism, control mechanism 11 with 8 electric connection of power supply mechanism, positioning mechanism 9 is used for fixing a position multi-functional ultrasonic water meter, communication mechanism 10 is used for communicating with external equipment.
According to the utility model, an ultrasonic signal is sent by an ultrasonic sensing mechanism, is reflected by a reflector plate, passes through water flow in a pipe body, is reflected by another reflector plate, and is finally received by another ultrasonic sensing mechanism; and analogizing in turn, measuring in the opposite direction, so as to obtain the water flow passing through the multifunctional ultrasonic water meter, wherein the positioning mechanism is used for positioning the multifunctional ultrasonic water meter, and the communication mechanism is used for transmitting the water flow and the positioning position of the multifunctional ultrasonic water meter to the user sides such as a background server or a mobile phone of a relevant worker, and the like, so that the remote meter reading of the water meter is realized.
It should be noted that the communication mechanism is an infrared communication mechanism, an RF communication mechanism, a bluetooth communication mechanism, or a WIFI communication mechanism, and the control mechanism is a single chip, but is not limited thereto. The singlechip integrates various components such as an arithmetic unit, a controller, a memory, an input/output device and the like, and realizes various functions such as signal processing, data storage and the like. For example, an arithmetic unit includes a large number of comparison circuits, and can perform logical operation processing on a received signal instruction. Preferably, the single chip microcomputer can adopt a model including but not limited to PIC16FL 15313.
As shown in fig. 4, preferably, the two reflection sheets 6 are symmetrically disposed inside the pipe body 1, the two reflection sheets 6 are disposed at the same horizontal height, and each reflection sheet 6 is disposed directly below the ultrasonic sensing mechanism 7.
It should be noted that, in order to improve the measurement accuracy of the multifunctional ultrasonic water meter, in this embodiment, the two reflection sheets 6 are symmetrically disposed inside the pipe body 1, the two reflection sheets 6 are disposed at the same horizontal height, and each reflection sheet 6 is disposed directly below the ultrasonic sensing mechanism 7.
As shown in fig. 5, preferably, the housing 2 includes an upper housing 21, a lower housing 22 and a sealing ring 23, the upper housing 21 is connected to the lower housing 22 in a sealing manner through the sealing ring 23, and the sealing ring 23 is a silicone ring.
It should be noted that, in order to improve the waterproof strength of the multifunctional water meter, in this embodiment, the upper housing 21 is connected to the lower housing 22 in a sealing manner through the sealing ring 23, and the sealing ring 23 is a silica gel ring, but is not limited thereto.
As shown in fig. 6, preferably, the display mechanism 12 includes a display 121, a flip cover 122 and a sealing glass 123, the sealing glass 123 is fixedly disposed on the upper casing 21, the display 121 is attached right below the sealing glass 123, and the flip cover 122 is disposed right above the sealing glass 123 and movably connected to the upper casing 21.
It should be noted that, in order to further improve the waterproof strength of the multifunctional water meter, in this embodiment, the display mechanism 12 includes a display 121, a flip cover 122, and a sealing glass 123, the sealing glass 123 is fixedly disposed on the upper housing 21, the display 121 is attached to the position right below the sealing glass 123, and the flip cover 122 is disposed right above the sealing glass 123 and movably connected to the upper housing 21.
In addition, in the aspect of structure, the utility model adopts a center line upper and lower shell mold closing structure, and the streamline is smooth and beautiful, and the joint closing is smooth. The product is internally provided with dual waterproof functions of glue pouring and silica gel rings, and the waterproof grade reaches ip 68. The inside display screen shows as the window through integrated into one piece's transparent sizing material, and the connecting tube body department designs the cooperation body of encirclement mounting groove, simple to operate.
As shown in fig. 7, preferably, a photovoltaic panel mechanism 13 and a light intensity sensing mechanism 14 are disposed on the upper surface of the flip 122, the photovoltaic panel mechanism 13 and the light intensity sensing mechanism 14 are both electrically connected to the power supply mechanism 8 and the control mechanism 11, the photovoltaic panel mechanism 13 is used for photovoltaic power generation, and the light intensity sensing mechanism 14 is used for detecting the light intensity of the environment.
It should be noted that, in order to improve the cruising ability of the battery, in this embodiment, a photovoltaic panel mechanism 13 and a light intensity sensing mechanism 14 are disposed on the upper surface of the flip 122, the photovoltaic panel mechanism 13 and the light intensity sensing mechanism 14 are both electrically connected to the power supply mechanism 8 and the control mechanism 11, the photovoltaic panel mechanism 13 is used for photovoltaic power generation, and the light intensity sensing mechanism 14 is used for detecting the light intensity of the environment.
As shown in fig. 8, the power supply mechanism 8 preferably includes a power adapter 81, a battery 82, a voltage stabilizing module 83, an input filtering module 84, and an output filtering module 85; the power adapter 81 is electrically connected to the charging terminal of the battery 82, the power supply terminal of the battery 82 is electrically connected to the input terminal of the voltage stabilizing module 83 and grounded through the input filter module 84, and the output terminal of the voltage stabilizing module 83 is electrically connected to the communication mechanism 10, the positioning mechanism 9, the display mechanism 12, the ultrasonic sensing mechanism 7, and the control mechanism 11 and grounded through the output filter module 85.
It should be noted that in this embodiment, the external power supply can charge the battery through the power adapter 81, so that the battery does not need to be replaced by disassembling the water meter; meanwhile, the working voltage suitable for each component is obtained through the conversion of the voltage stabilizing module 83, and noise waves in the circuit are filtered through the input filtering module 84 and the output filtering module 85, so that the stability of power supply is improved.
As shown in fig. 9, preferably, the multifunctional ultrasonic water meter further includes a low-power reminding mechanism, the low-power reminding mechanism includes a voltage detection module 151, an LED indication module 152 and a speaker reminding module 153, the LED indication module 152 and the speaker reminding module 153 both have the voltage stabilization module 83 and the control mechanism 11 electrically connected, and the voltage detection module 151 has the battery 82 and the control mechanism 11 electrically connected.
It should be noted that, in this embodiment, the voltage detection module detects voltages at two ends of the battery, so as to obtain a specific electric quantity of the battery, when the electric quantity is smaller than a preset electric quantity value, the LED indication module 152 and the speaker reminding module 153 are used to send a low-power reminder, and meanwhile, the communication mechanism is used to remind a background or related staff to perform a timely battery replacement operation.
As shown in fig. 10, preferably, the multifunctional ultrasonic water meter further includes a humidity detection mechanism, the humidity detection mechanism is disposed on the outer surface of the pipe body, the humidity detection mechanism includes a humidity detection sensor 161, a first current limiting module 162 and a second current limiting module 163, the humidity detection sensor 161 is electrically connected to the power supply mechanism 8 through the first current limiting module 162, and the humidity detection sensor 161 is electrically connected to the control mechanism 11 through the second current limiting module 163.
In this embodiment, the humidity detection mechanism is used to detect the humidity of the working environment of the multifunctional ultrasonic water meter, and the first current limiting module 162 and the second current limiting module 163 are used to limit the current, so as to avoid burning out electronic components; and when the measured humidity is greater than the highest preset humidity, an alarm is given out and related workers are informed to go to on-site maintenance in time.
As shown in fig. 11, preferably, the multifunctional ultrasonic water meter further includes a temperature detection mechanism, the temperature detection mechanism is disposed on the pipe body and is used for detecting the temperature of the pipe body, the temperature detection mechanism includes a temperature detection sensor 171, a third current limiting module 172 and a fourth current limiting module 173, the temperature detection sensor 171 is electrically connected to the power supply mechanism 8 through the third current limiting module 172, and the temperature detection sensor 171 is electrically connected to the control mechanism 11 through the fourth current limiting module 173.
In this embodiment, the temperature detection mechanism is used to detect the temperature of the working environment of the multifunctional ultrasonic water meter, and the third current limiting module 172 and the fourth current limiting module 173 are used to limit the current through the third current limiting module 172 and the fourth current limiting module 172 and 173, so as to avoid burning out electronic components; and when the measured temperature is less than the lowest preset temperature or greater than the highest preset temperature, sending an alarm and warning and timely informing related workers of on-site maintenance.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model.

Claims (10)

1. A multifunctional ultrasonic water meter is characterized by comprising a pipe body, a shell, a first connecting mechanism and a second connecting mechanism;
the outer side wall of the tube body is symmetrically provided with two mounting grooves, two reflector plates are arranged inside the tube body, an ultrasonic sensing mechanism is arranged in each mounting groove, the shell is fixedly connected with the mounting grooves through the first connecting mechanism and the second connecting mechanism, and the ultrasonic sensing mechanism is used for sending and receiving ultrasonic waves;
the inside of casing is equipped with power supply mechanism, positioning mechanism, communication mechanism and control mechanism, the surface of casing inlays and is equipped with display mechanism, communication mechanism, positioning mechanism, display mechanism and ultrasonic sensing mechanism all with control mechanism and power supply mechanism electric connection, control mechanism with power supply mechanism electric connection, positioning mechanism is used for fixing a position multi-functional ultrasonic water gauge, communication mechanism is used for communicating with external equipment.
2. A multi-function ultrasonic water meter as set forth in claim 1, wherein two said reflection sheets are symmetrically disposed inside said pipe body, two said reflection sheets are disposed at the same level, and each said reflection sheet is disposed directly below said ultrasonic sensing means.
3. A multi-function ultrasonic water meter as set forth in claim 1, wherein said housing includes an upper housing, a lower housing and a sealing ring, said upper housing is sealingly connected to said lower housing through said sealing ring, and said sealing ring is a silicone ring.
4. The multifunctional ultrasonic water meter of claim 3, wherein the display mechanism comprises a display, a flip cover and a sealing glass, the sealing glass is fixedly arranged on the upper housing, the display is attached under the sealing glass, and the flip cover is arranged over the sealing glass and movably connected with the upper housing.
5. The multi-functional ultrasonic water meter of claim 4, wherein the flip cover is provided at an upper surface thereof with a photovoltaic panel mechanism and a light intensity sensing mechanism, both of which are electrically connected to the power supply mechanism and the control mechanism, the photovoltaic panel mechanism is used for photovoltaic power generation, and the light intensity sensing mechanism is used for detecting the light intensity of the environment.
6. The multi-functional ultrasonic water meter of claim 1, wherein said power supply mechanism includes a power adapter, a battery and voltage stabilization module, an input filtering module and an output filtering module;
the power adapter is electrically connected with the charging end of the battery, the power supply end of the battery is electrically connected with the input end of the voltage stabilizing module and is grounded through the input filtering module, and the output end of the voltage stabilizing module is electrically connected with the communication mechanism, the positioning mechanism, the display mechanism, the ultrasonic sensing mechanism and the control mechanism and is grounded through the output filtering module.
7. The multifunctional ultrasonic water meter of claim 6, further comprising a low-power alerting mechanism, wherein the low-power alerting mechanism comprises a voltage detecting module, an LED indicating module and a speaker alerting module, the LED indicating module and the speaker alerting module are electrically connected to the voltage stabilizing module and the control mechanism, and the voltage detecting module is electrically connected to the battery and the control mechanism.
8. The multi-functional ultrasonic water meter of claim 1, further comprising a humidity detection mechanism disposed on an outer surface of said pipe, said humidity detection mechanism including a humidity detection sensor, a first current limiting module and a second current limiting module, said humidity detection sensor being electrically connected to said power supply mechanism through said first current limiting module, said humidity detection sensor being electrically connected to said control mechanism through said second current limiting module.
9. A multi-function ultrasonic water meter as set forth in claim 1, further comprising a temperature detecting mechanism disposed on said tube for detecting the temperature thereof, said temperature detecting mechanism including a temperature detecting sensor, a third current limiting module and a fourth current limiting module, said temperature detecting sensor being electrically connected to said power supply mechanism through said third current limiting module, said temperature detecting sensor being electrically connected to said control mechanism through said fourth current limiting module.
10. The multi-functional ultrasonic water meter of claim 1, wherein said communication mechanism is an infrared communication mechanism, an RF communication mechanism, a bluetooth communication mechanism, or a WIFI communication mechanism.
CN202121964870.2U 2021-08-19 2021-08-19 Multifunctional ultrasonic water meter Active CN216283731U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121964870.2U CN216283731U (en) 2021-08-19 2021-08-19 Multifunctional ultrasonic water meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121964870.2U CN216283731U (en) 2021-08-19 2021-08-19 Multifunctional ultrasonic water meter

Publications (1)

Publication Number Publication Date
CN216283731U true CN216283731U (en) 2022-04-12

Family

ID=81059939

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121964870.2U Active CN216283731U (en) 2021-08-19 2021-08-19 Multifunctional ultrasonic water meter

Country Status (1)

Country Link
CN (1) CN216283731U (en)

Similar Documents

Publication Publication Date Title
CN103376142A (en) Single chip microcomputer based weighing type liquid level meter
CN216283731U (en) Multifunctional ultrasonic water meter
CN210400554U (en) Detection device for turbine flowmeter
CN209132882U (en) An intelligent water management system
CN206038042U (en) Digital display humiture record appearance
CN210721045U (en) Intelligent watch
CN216899063U (en) Electronic temperature and pressure correction and anti-dismantling gas meter
CN216483262U (en) Multifunctional electromagnetic water meter
CN205920043U (en) Gas detector
CN214309097U (en) Intelligent medical electronic scale based on STM32 chip
CN206038478U (en) Particulate matter monitoring device
CN203772837U (en) Portable type air quality detector
CN110864753A (en) Intelligent water meter
CN212320813U (en) Ultrasonic horizontal sound path water meter
CN208109778U (en) A kind of methane H2S detector
CN208300033U (en) A kind of gauge table collector
CN208606836U (en) A kind of horizontal radio frequency water meter
CN202033135U (en) Digital pressure gauge
CN212363319U (en) Valve-controllable ultrasonic horizontal acoustic path water meter
CN206876242U (en) Water meter device
CN211346931U (en) Ultrasonic water meter
CN207881778U (en) A kind of multi-functional Intelligent gas meter based on internet of things
CN208902178U (en) A kind of multifunction ultrasonic intellectual water meter
CN222069840U (en) Split type ultrasonic wave level meter
CN213637099U (en) Light energy treasured that charges

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant