CN208366384U - A kind of soil information automonitor with signal enhancing structure - Google Patents
A kind of soil information automonitor with signal enhancing structure Download PDFInfo
- Publication number
- CN208366384U CN208366384U CN201820945408.XU CN201820945408U CN208366384U CN 208366384 U CN208366384 U CN 208366384U CN 201820945408 U CN201820945408 U CN 201820945408U CN 208366384 U CN208366384 U CN 208366384U
- Authority
- CN
- China
- Prior art keywords
- nonmetallic
- instrument
- soil information
- automonitor
- signal enhancing
- 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.)
- Expired - Fee Related
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of soil information automonitors with signal enhancing structure, including monitor main body and mobile 4G network cloud platform, wherein, mobile 4G network cloud platform is connect with monitor subject radio, monitor main body includes shell, controller and GPRS antenna, shell includes instrument stand and nonmetallic instrument bin, and nonmetallic instrument bin cover is buckled in instrument stand and forms accommodating cavity；Controller and GPRS antenna are set in accommodating cavity body, and GPRS antenna is pressed on the inner wall of metal instrumentation storehouse cover by elastic conductor by the first printed board of controller；The nonmetallic instrument bin of above-mentioned monitor integrally uses nonmetallic materials to make, metal material is eliminated to interfere the shielding of electromagnetic signal, and GPRS antenna can be close to the inner wall of nonmetallic instrument bin always, so as to greatly improve new data transmission ability of the GPRS antenna under weak signal, small signal condition, to achieve the purpose that the guarantee data transmission of long-time stable.
Description
Technical field
The utility model relates to soil monitoring technical field, in particular to a kind of soil information with signal enhancing structure
Automonitor.
Background technique
Currently, mostly use soil information tacheometer greatly in terms of the acquisition of agricultural soil information, instrument by data line with
Computer connection, carries out the display and processing of soil information.
Referring to Fig. 1, the structure that Fig. 1 is the soil information automonitor with signal enhancing structure in the prior art is shown
It is intended to, the housing of the monitor main body of the buried type soil information automonitor mostly uses split type structure, housing lower half
Dividing 011 is metal material, and housing top half 012 is nonmetallic materials, is provided with antenna in the printed board 014 of casing interior
013, although this split type structure greatly reduces interference of the metal material to signal, but exist due to weak signal,
New data transmission caused by small signal is obstructed or the higher problem of the bit error rate, needs stronger network signal just and can guarantee that it is new
The normal transmission of data.
Therefore, how to improve the soil information automonitor with signal enhancing structure, it can long-time stable
It ensures data transmission, becomes those skilled in the art's important technological problems urgently to be resolved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of soil informations with signal enhancing structure to supervise automatically
Instrument is surveyed, the guarantee data transmission of long-time stable is allowed it to.
To achieve the above object, the utility model provides the following technical solutions:
A kind of soil information automonitor with signal enhancing structure, including monitor main body and with the monitoring
The connected mobile 4G network cloud platform of instrument main body, the monitor main body include:
Shell, the shell include instrument stand and nonmetallic instrument bin, and the nonmetallic instrument bin cover is buckled in the instrument
Device seat forms accommodating cavity；
It is set to the intracorporal controller of the accommodating cavity and GPRS antenna, the first printed board of the controller passes through elasticity
The GPRS antenna is pressed on the inner wall of the nonmetallic instrument bin by conductor, and the GPRS antenna is from the nonmetallic instrument
Bottom is extended at the top of storehouse.
Preferably, the GPRS antenna is helical structure, and one end is from the top of the nonmetallic instrument bin along described
The spiral inner wall shape of nonmetallic instrument bin extends to the bottom of the nonmetallic instrument bin.
Preferably, the controller includes the printing board bracket for being set to the instrument stand, the side of the printing board bracket
Portion is provided with the first groove, and first printed board is set in first groove.
Preferably, between the printing board bracket and the instrument stand and the nonmetallic instrument bin and the instrument stand
Between be provided with sealing structure, the sealing structure includes O-ring seals and is set to the O-ring seals in the axial direction
At least side retaining ring.
Preferably, the two sides of the O-ring seals in the axial direction are provided with the retaining ring, and on the surface of the retaining ring
It is formed with the arcwall face with O-ring seals cooperation.
Preferably, the printed board pallet top is provided with the second printed board, is provided with GPS days in second printed board
Line and communication plug.
It preferably, further include sensor probe, the lead of the sensor probe passes through the instrument stand and protrudes into the appearance
It sets cavity to connect with first printed board and the second printed board, the sensor probe includes at least temperature sensor, wet
Spend one of sensor, moisture transducer, pH value sensor and saliferous quantity sensor.
Preferably, cable connector seal assembly is provided on the printing board bracket and for the cable connector is close
Sealing assembly is anchored on the cable connector seal assembly pressure cap of the printing board bracket, and the lead of the sensor probe passes through described
Cable connector seal assembly pressure cap and the cable connector seal assembly are sealed and are fastenedly connected in the printing board bracket.
Preferably, intermediate throughholes are provided in the axial direction on the printing board bracket, the top of the printing board bracket is in institute
It states and is provided with the second groove below the second printed board, the intermediate throughholes and first groove and second groove are distinguished
Connection.
Preferably, the mobile 4G network cloud platform includes:
For receiving the data sink of monitoring data, the data sink is connect with the GPRS antenna wireless；
A/D analogue data converting unit and control unit, described control unit are converted by the A/D analogue data
Unit is connect with the data sink.
To achieve the above object, the soil information automonitor provided by the utility model with signal enhancing structure,
Including monitor main body and mobile 4G network cloud platform, wherein mobile 4G network cloud platform is connect with monitor subject radio,
Realize telecommunication, monitor main body includes shell, controller and GPRS antenna, and shell includes instrument stand and nonmetallic instrument
Storehouse, nonmetallic instrument bin be bell shape and cover and be buckled in instrument stand and form accommodating cavity, and instrument stand is only opened with nonmetallic instrument bin
Cooperate at mouthful；Controller and GPRS antenna are set in accommodating cavity body, and the first printed board of controller will by elastic conductor
GPRS antenna presses on the inner wall of metal instrumentation storehouse cover, and GPRS antenna extends to bottom at the top of nonmetallic instrument bin cover；
It can be seen that the nonmetallic instrument bin of shell is whole in the above-mentioned soil information automonitor with signal enhancing structure
It is made completely of nonmetallic materials, eliminates metal material and the shielding of electromagnetic signal is interfered, and GPRS antenna is by the first print
Making sheet is pressed on the inner wall of nonmetallic instrument bin by elastic conductor, enable GPRS antenna always with nonmetallic instrument bin
Inner wall keeps being in close contact, and GPRS antenna extends to bottom at the top of nonmetallic instrument bin, increase GPRS antenna with it is non-
The contact area in metal instrumentation storehouse, to greatly improve new data transmission energy of the GPRS antenna under weak signal, small signal condition
Power, to achieve the purpose that the guarantee data transmission of long-time stable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the soil information automonitor with signal enhancing structure in the prior art；
Fig. 2 is the monitoring of the soil information automonitor provided by the embodiment of the utility model with signal enhancing structure
The structural schematic diagram of instrument main body；
Fig. 3 is the movement of the soil information automonitor provided by the embodiment of the utility model with signal enhancing structure
The structural schematic diagram of 4G network cloud platform；
Fig. 4 is the partial enlargement structural representation at sealing structure.
In Fig. 1:
011 is housing lower half portion；012 is housing top half；014 is printed board；013 is antenna；
In Fig. 2-Fig. 4:
1 is communication plug；2 be the second printed board；3 be elastic conductor；4 be GPRS antenna；5 be the first printed board；6 be close
Seal structure；601 be O-ring seals；602 be retaining ring；7 be instrument stand；8 be nonmetallic instrument bin；9 be GPS antenna；10 be print
Making sheet bracket；11 be lithium battery group；12 be cable connector seal assembly；13 be cable connector seal assembly pressure cap；14 be biography
Sensor probe；15 be control unit；16 be GPS module unit；17 be GPRS modular unit；18 be soil moisture acquisition module；
19 be soil moisture acquisition module；20 be A/D analogue data converting unit；21 be lithium battery group management module.
Specific embodiment
The purpose of this utility model is to provide a kind of soil information automonitor with signal enhancing structure, the tools
Have the soil information automonitor of signal enhancing structure structure design can long-time stable guarantee data transmission.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 2 and Fig. 3 are please referred to, Fig. 2 is the soil information provided by the embodiment of the utility model with signal enhancing structure
The structural schematic diagram of the monitor main body of automonitor, Fig. 3 are provided by the embodiment of the utility model with signal enhancing knot
The structural schematic diagram of the mobile 4G network cloud platform of the soil information automonitor of structure.
A kind of soil information automonitor with signal enhancing structure provided by the embodiment of the utility model, including prison
Survey instrument main body and mobile 4G network cloud platform.
Wherein, mobile 4G network cloud platform is connect with monitor subject radio, realizes telecommunication, and monitor main body includes
Shell, controller and GPRS antenna 4, shell include instrument stand 7 and nonmetallic instrument bin 8, and nonmetallic instrument bin 8 is bell jar
Shape and cover are buckled in instrument stand 7 and form accommodating cavity, and instrument stand 7 only cooperates with the opening of nonmetallic instrument bin 8；Controller and
GPRS antenna 4 is set in accommodating cavity body, and the first printed board 5 of controller is pressed on GPRS antenna 4 by elastic conductor 3 non-
The inner wall in metal instrumentation storehouse 8, and the GPRS antenna extends to bottom at the top of the nonmetallic instrument bin, to increase as far as possible
The contact area of the inner wall of GPRS antenna 4 and nonmetallic instrument bin 8.
Compared with prior art, the soil information automonitor provided by the utility model with signal enhancing structure,
The nonmetallic instrument bin 8 of its shell is whole to be made of nonmetallic materials completely, eliminates metal material to the screen of electromagnetic signal
Interference is covered, and GPRS antenna 4 is pressed on the inner wall of nonmetallic instrument bin 8 by the first printed board 5 by elastic conductor 3, is made
GPRS antenna can keep being in close contact with the inner wall of nonmetallic instrument bin always, and GPRS antenna is from nonmetallic instrument bin
Top extends to bottom, increases the contact area of GPRS antenna Yu nonmetallic instrument bin, exists to greatly improve GPRS antenna 4
New data transmission ability under weak signal, small signal condition, to achieve the purpose that the guarantee data transmission of long-time stable.
Above-mentioned technical proposal is advanced optimized, in the utility model embodiment, GPRS antenna is helical structure, one
End extends to the bottom of nonmetallic instrument bin from the top of nonmetallic instrument bin along the spiral inner wall shape of nonmetallic instrument bin, above-mentioned
Helical structure can generate mutual inductance effect with electromagnetic field, to play the ability that enhancing GPRS antenna receives signal.
In addition to above-mentioned pure helical structure, GPRS antenna can also be by spire and the straight line of spire at least one end
Portion is constituted.Further, in the utility model embodiment, GPRS antenna is formed by copper wire coiling.
As shown in Fig. 2, above-mentioned elastic conductor 3 is metal spring, which is in compressed state always, with
Guarantee to push GPRS antenna 4 into nonmetallic instrument bin 8 to.
Controller in monitor main body is mainly used for the acquisition signal of receiving sensor probe 14, and the signal is sent
It goes out, for the installation convenient for components such as the first printed boards 5, controller has a printing board bracket 10 for being set to instrument stand 7, should
Printing board bracket 10 primarily serves the effect for providing installation site for printed board and supporting, specifically, practical at this
In new embodiment, the side of printing board bracket 10 is provided with the first groove, and the first printed board 5 is set in the first groove, from
The setting direction that can be seen that the first printed board 5 in Fig. 2 is axial parallel with printing board bracket 10, i.e. opening along the first groove
Set direction is set to the bottom of the first groove, consequently facilitating it presses to GPRS antenna 4 by elastic conductor 3.
It is used in the soil since the above-mentioned soil information automonitor with signal enhancing structure needs to bury, to mention
The sealing waterproof performance of high shell, can be between printing board bracket 10 and instrument stand 7 and nonmetallic instrument bin 8 and instrument stand 7
Between be respectively provided with sealing structure 6, the sealing structure 6 can be set to printing board bracket 10 and instrument stand 7 between and non-gold
Belong to the sealing ring between instrument bin 8 and instrument stand 7, naturally it is also possible to other structures are used, in the utility model embodiment,
Referring to Fig. 4, Fig. 4 is the partial enlargement structural representation at sealing structure, sealing structure 6 includes O-ring seals 601 and gear
Circle 602, retaining ring 602 are in the annular being substantially consistent with O-ring seals, at least one is arranged in retaining ring 602, and in O-ring seals
At least side of O-ring seals 601 is set in 601 axial direction.
By being respectively set between printing board bracket 10 and instrument stand 7 and between nonmetallic instrument bin 8 and instrument stand 7
Sealing structure 6 realizes dual-seal, can effectively completely cut off the internal environment and external environment of soil information automonitor, make
The internal environment of soil information automonitor keeps stablizing, and avoids external corrosion gas from entering soil information and monitors automatically
Inside instrument, thus the electronic component inside soil protection information automonitor.
In use, retaining ring 602 can reduce O-ring seals 601 due to cutting, tearing and the chance that misaligns,
In the service life for helping to extend O-ring seals 601, its reliability is improved, so that promote entire soil information automonitor can
By property and service life.
The working environment of soil information automonitor is in underground, and soil information automonitor is typically in soda acid ring
In border, and with season, the variation of temperature, subsurface pressure, temperature and vapour content also change therewith, for sealing
Structure 6 constitutes more acid test, and to fight acid or alkali environment, in the utility model embodiment, O-ring seals 601 are excellent
Choosing is made of fluorine-containing rubber material, and retaining ring 602 is preferably made of polytetrafluoro material.
Above-mentioned technical proposal is advanced optimized, in the utility model embodiment, in addition to the first printed board 5, controller is also
Including the second printed board 2, the second printed board 2 is set to 10 top of printing board bracket, is provided with GPS antenna 9 in the second printed board 2
And communication plug 1, the location information of the monitoring point is sent, to mobile 4G network cloud platform by GPS antenna 9 with preferably right
Soil information is monitored.
To realize the monitoring to soil information, the soil information automonitor with signal enhancing structure further includes being used for
The sensor probe 14 of soil information is monitored, the lead of the sensor probe 14 passes through instrument stand 7 and protrudes into accommodating cavity and first
Printed board 5 and the second printed board 2 connection.Sensor probe 14 includes at least temperature sensor, humidity sensor, moisture sensing
One of device, pH value sensor and saliferous quantity sensor, specifically, in the utility model embodiment, as shown in Fig. 2, passing
There are two 14 settings of sensor probe, and one is soil temperature sensor probe 14, another is soil moisture sensor probe 14,
On this basis, it can according to need addition or reduce the type or quantity of sensor probe 14.The soil acquired in the present embodiment
Earth information includes at least: soil moisture information, soil moisture information, soil humidity information, sampling time information, monitoring point orientation
The information such as information, altitude info ination, monitor identification information, monitor operation state values.
Above-mentioned technical proposal is advanced optimized, is set to due to sensor probe 14 except the shell of monitor main body,
Lead needs the shell across monitor main body to enter in monitor main body to connect with the first printed board 5 with the second printed board 2, be
Prevent lead back and forth moving influence with the connection of the first printed board 5 and the second printed board 2, while avoiding wearing lead effect shell
Leakproofness print in the utility model embodiment and be provided with cable connector seal assembly 12 on board bracket 10 and be used for
Cable connector seal assembly 12 is anchored on to the cable connector seal assembly pressure cap 13 of printing board bracket 10, sensor probe 14
Lead is sealed by cable connector seal assembly pressure cap 13 and cable connector seal assembly 12 and is fastenedly connected in printing plate support
Frame 10 can be such that the lead of sensor probe 14 fixes relative to monitor main body by above structure, avoid being pulled by external force
When, the connection with the first printed board 5 and the second printed board 2 is influenced, while can also ensure that the sealing waterproofness of monitor main body
Can, further increase the reliability of the soil information automonitor with signal enhancing structure.
For the connection convenient for sensor probe 14 and the first printed board 5 and the second printed board 2, while convenient in monitor master
Intracorporal cabling is printed in the utility model embodiment and is provided in the axial direction with intermediate throughholes on board bracket 10, and plate support is printed
The lower section of second printed board 2 is provided with the second groove, intermediate throughholes and the first groove at the top of frame 10 and the second groove is distinguished
Connection in this way, lead can be protruded into directly from the intermediate throughholes opening of printing 10 bottom of board bracket, and is entered by intermediate throughholes
In first groove and the second groove, the connection with the first printed board 5 and the second printed board 2 is realized.
Above-mentioned technical proposal is advanced optimized, in the utility model embodiment, mobile 4G network cloud platform includes data
Receiver, A/D analogue data converting unit 20 and control unit 15, wherein data sink wirelessly connects with GPRS antenna 4
It connects, for receiving the data sink of monitoring data, the data sink is according to the discrimination between classes of sensor probe 14, it may include
Soil moisture acquisition module 18, soil moisture acquisition module 19, P in soil H value acquisition module etc..
The data sink that above-mentioned acquisition module is constituted passes through A/D analogue data converting unit 20 for mould after collecting signal
Quasi- signal is converted to digital signal and is sent to control unit 15 and handled.
Specifically, control unit 15 is embedded scm control unit 15, and control unit 15 receives GPS module unit
16, the signal that GPRS module unit 17 and A/D analogue data converting unit 20 are sent, and classification processing is carried out to it.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of soil information automonitor with signal enhancing structure, including monitor main body and with the monitor
The connected mobile 4G network cloud platform of main body, which is characterized in that the monitor main body includes:
Shell, the shell include instrument stand (7) and nonmetallic instrument bin (8), and nonmetallic instrument bin (8) cover is buckled in institute
It states instrument stand (7) and forms accommodating cavity；
It is set to the intracorporal controller of the accommodating cavity and GPRS antenna (4), the first printed board (5) of the controller passes through bullet
The GPRS antenna (4) is pressed on the inner wall of the nonmetallic instrument bin (8) by property conductor (3), and the GPRS antenna (4) from
Bottom is extended at the top of the nonmetallic instrument bin (8).
2. the soil information automonitor according to claim 1 with signal enhancing structure, which is characterized in that described
GPRS antenna (4) is helical structure, and one end is from the top of the nonmetallic instrument bin (8) along the nonmetallic instrument bin
(8) spiral inner wall shape extends to the bottom of nonmetallic instrument bin (8) cover.
3. the soil information automonitor according to claim 1 or 2 with signal enhancing structure, which is characterized in that
The controller includes the printing board bracket (10) for being set to the instrument stand (7), and the side of printing board bracket (10) is set
It is equipped with the first groove, first printed board (5) is set in first groove.
4. the soil information automonitor according to claim 3 with signal enhancing structure, which is characterized in that described
Print between board bracket (10) and the instrument stand (7) and between the nonmetallic instrument bin (8) and the instrument stand (7) it is equal
It is provided with sealing structure (6), the sealing structure (6) includes O-ring seals (601) and is set to the O shape in the axial direction
The retaining ring (602) of at least side of sealing ring (601).
5. the soil information automonitor according to claim 4 with signal enhancing structure, which is characterized in that described
The two sides of O-ring seals (601) in the axial direction are provided with the retaining ring (602), and are formed on the surface of the retaining ring (602)
There is the arcwall face with the O-ring seals (601) cooperation.
6. the soil information automonitor according to claim 3 with signal enhancing structure, which is characterized in that described
Printing board bracket (10) at the top of be provided with the second printed board (2), be provided on second printed board (2) GPS antenna (9) and
Communication plug (1).
7. the soil information automonitor according to claim 6 with signal enhancing structure, which is characterized in that also wrap
Include sensor probe (14), the lead of the sensor probe (14) pass through the instrument stand (7) protrude into the accommodating cavity and
First printed board (5) and the second printed board (2) connection, the sensor probe (14) include at least temperature sensor,
One of humidity sensor, moisture transducer, pH value sensor and saliferous quantity sensor.
8. the soil information automonitor according to claim 7 with signal enhancing structure, which is characterized in that described
It is provided with cable connector seal assembly (12) in printing board bracket (10) and is used for the cable connector seal assembly (12)
It is anchored on the cable connector seal assembly pressure cap (13) of printing board bracket (10), the lead of the sensor probe (14) is logical
It crosses the cable connector seal assembly pressure cap (13) and the cable connector seal assembly (12) is sealed and is fastenedly connected in institute
State printing board bracket (10).
9. special with the soil information automonitor of signal enhancing structure according to claim 6-8 any one
Sign is, intermediate throughholes is provided in the axial direction on the printing board bracket (10), the top of printing board bracket (10) is in institute
It states and is provided with the second groove below the second printed board (2), the intermediate throughholes and first groove and second groove
It is respectively communicated with.
10. the soil information described in -2 and 4-8 any one with signal enhancing structure monitors automatically according to claim 1
Instrument, which is characterized in that the mobile 4G network cloud platform includes:
For receiving the data sink of monitoring data, the data sink and the GPRS antenna (4) are wirelessly connected；
A/D analogue data converting unit (20) and control unit (15), described control unit (15) simulate number by the A/D
It is connect according to converting unit (20) with the data sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820945408.XU CN208366384U (en) | 2018-06-19 | 2018-06-19 | A kind of soil information automonitor with signal enhancing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820945408.XU CN208366384U (en) | 2018-06-19 | 2018-06-19 | A kind of soil information automonitor with signal enhancing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208366384U true CN208366384U (en) | 2019-01-11 |
Family
ID=64929596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820945408.XU Expired - Fee Related CN208366384U (en) | 2018-06-19 | 2018-06-19 | A kind of soil information automonitor with signal enhancing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208366384U (en) |
-
2018
- 2018-06-19 CN CN201820945408.XU patent/CN208366384U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2883445A1 (en) | Extendable wireless soil measurement apparatus | |
| CN213403518U (en) | Thing networking relay and terminal box and intelligent well lid | |
| CN201335887Y (en) | Multi-parameter collecting transmission instrument of geological disasters | |
| CN201364171Y (en) | Digital composite sensor | |
| CN208366384U (en) | A kind of soil information automonitor with signal enhancing structure | |
| CN203867556U (en) | Wireless pressure transmitter for oil production well | |
| CN205746045U (en) | Underground pipe network sensing device | |
| CN212082455U (en) | Monitoring equipment for communication base station | |
| CN103123261A (en) | Anti-destruction wireless hydrological telemetering machine | |
| CN209895156U (en) | Unmanned aerial vehicle hand-held ground station control system | |
| CN203929314U (en) | A kind of wireless pressure data acquisition node | |
| CN109968304A (en) | A kind of article anti-loss management box | |
| CN210534228U (en) | Portable voltage monitoring wireless log recording device | |
| CN209459771U (en) | A kind of wireless temperature transmitter convenient for safeguarding, installation, debugging | |
| CN203279053U (en) | An intrinsically safe wireless data acquiring apparatus | |
| CN204291661U (en) | Wireless transmission box | |
| CN217900909U (en) | Monitoring device for coal mine junction box | |
| CN221302388U (en) | Split type wireless sensor for measuring temperature and acceleration | |
| CN216846535U (en) | Wireless intelligent vibration temperature sensor | |
| CN217240949U (en) | Wireless gateway device | |
| CN205232309U (en) | Integrated cylindric internet protocol camera of area location | |
| CN201496062U (en) | Remote measuring device of indicator diagram for oil well | |
| CN203116734U (en) | Hydrological telemetry machine with infrared induction device | |
| CN211692447U (en) | Oil well blowout preventer temperature and pressure monitoring system | |
| CN103792929A (en) | Remote measurement and control terminal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 Termination date: 20190619 |