CN208458839U - A kind of contactless smart servo liquidometer - Google Patents
A kind of contactless smart servo liquidometer Download PDFInfo
- Publication number
- CN208458839U CN208458839U CN201820772188.5U CN201820772188U CN208458839U CN 208458839 U CN208458839 U CN 208458839U CN 201820772188 U CN201820772188 U CN 201820772188U CN 208458839 U CN208458839 U CN 208458839U
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- circuit board
- installation groove
- contactless smart
- magnetic sensor
- baffle
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Abstract
The utility model discloses a kind of contactless smart servo liquidometers, including explosion-proof chamber and the circuit board being mounted in the explosion-proof chamber, the end of circuit board described in the explosion-proof chamber face is induction end, perforation is provided through inside and outside circuit board described in the induction end face, the induction end inner sidewall is recessed the installation groove to be formed, it further include by transparent baffle, the baffle and the installation groove match and are fixedly mounted in the installation groove, the position that the baffle is contacted with the installation groove bottom surface is fixedly installed with O-ring, the groove bottom of the installation groove between the installation groove side wall and the O-ring is filled with sealant, perforation described in the circuit board face is fixedly installed with magnetic sensor, the contactless smart servo liquidometer further includes the magnet being arranged on the outside of the explosion-proof chamber, institute When stating magnet close to the magnetic sensor, the magnetic sensor generates control signal and passes to circuit board.
Description
Technical field
The utility model relates to Intelligent servo liquidometer technical fields, and in particular to a kind of contactless smart servo liquid
Meter.
Background technique
Intelligent servo liquidometer is widely used in the industry existing, with the development of science and technology, Intelligent servo liquid level
Meter shows important role in fields such as electric power, petroleum, food, traffic, national defence scientific researches, and Intelligent servo liquidometer is towards more smart
Really, more stable, more integrated direction is developed.
In the actual use process, the physical button that operator needs to manipulate Intelligent servo liquidometer itself carries out it
Operation, the physical button that Intelligent servo liquidometer has itself occupies certain space on Intelligent servo liquidometer, and manufactures
Cost and technique are higher, and the presence of physical button makes part liquidometer be difficult to adapt to high temperature, high pressure or the environment such as explosive.
Chinese utility model patent discloses a kind of intelligent flow instrument of Untouched control
(CN201220401931.9), a kind of Intelligent servo flow of the non-contact control under the theorem based on Hall is provided
Instrument, the control signal which is generated by external bar magnet with the magnetoresistive sensor induction for being mounted on explosion-proof chamber interior circuit board
Realize control, which eliminates the production cost of physical button, security reliability is provided, with the wide manipulation of applicability
Mode, but the transparency window in the utility model is the beating point of bar magnet, transparency window seals the utility model in use
The case where being not thorough, transparency window is caused to fall goes wrong in use, and sealing is not thorough, it is difficult to which use is in height
Under temperature, hyperbaric environment.
Utility model content
In view of the above shortcomings of the prior art, the technical problem to be solved by the utility model is to how to provide a kind of energy
Enough preferably installation transparency windows, leakproofness is high, high reliablity, the wide contactless smart servo liquidometer of applicability.
In order to solve the above-mentioned technical problem, the utility model uses the following technical solution:
A kind of contactless smart servo liquidometer, including explosion-proof chamber and the circuit board being mounted in the explosion-proof chamber,
The circuit board is vertically arranged, and the circuit board is mounted in the explosion-proof chamber by bracket, electricity described in the explosion-proof chamber face
The end of road plate is induction end, and the bracket is fixedly connected with the circuit board far from the surface of the induction end, the induction
Rectify to perforation is provided through inside and outside the circuit board, the induction end inner sidewall is recessed to be formed to be set with the perforation coaxial line
The installation groove set, the contactless smart servo liquidometer further include by transparent baffle, the baffle and the installation
Groove matches and is fixedly mounted in the installation groove, the position that the baffle is contacted with the installation groove bottom surface
It is fixedly installed with O-ring, the groove bottom of the installation groove between the installation groove side wall and the O-ring is filled with close
Sealing, perforation described in the circuit board face are fixedly installed with magnetic sensor, the magnetic sensor and circuit board electricity
Property connection, the contactless smart servo liquidometer further includes the magnet being arranged on the outside of the explosion-proof chamber, the magnet with
The magnetic sensor mutual induction.
Further, baffle structure in the form of annular discs, the groove depth size phase of the Weir Plate Thickness and the installation groove
Matching, the baffle are equipped with fixed disk far from the surface of the installation groove, and the internal diameter of the fixed disk is greater than the perforation
Diameter is less than the baffle diameter, and the fixed disk is coaxially set with the perforation, the fixed dish external diameter and the induction
End size matches.
Further, there are four the magnetic sensor settings.
Further, the circuit board is in disc structure, and the magnetic sensor is arranged in the circuit board radial direction side
Upwards, the center of circle of circle is located along the same line with the circuit board center of circle where four magnetic sensors, four magnetic
Property sensor line is square.
Further, display screen is provided on the circuit board, setting of perforating described in the display screen face, the display
Screen is arranged in the region that four magnetic sensors surround, and the display screen and the circuit board are electrically connected.
Further, the control signal is pulse signal.
Further, the transparent material is tempered glass.
Further, the magnetic sensor is Hall element.
The utility model has the following beneficial effects:
1. contactless smart servo liquidometer utilizes magnet close or far from magnetic sensor, so that magnetic transducing
Device detects that being changed into control signal after magnetic strength induction signal passes to circuit board, then by circuit board control whole equipment realize it is corresponding
Function.It is provided with baffle, convenient for the real time status in the intracavitary portion of observation and explosion-proof, baffle is fixedly mounted in induction end, Ke Yigeng
The percussion of good receiving magnet, stability is high, is provided with O-ring and sealant, can preferably to baffle and installation groove it
Between be sealed and fix, improve sealing reliability, can preferably be used in high temperature, high pressure and explosive environments.Together
When, contactless realization control preferably can repair and debug, reduce workload needed for repairing.
2. baffle is disc-shaped structure, facilitates processing and installation, be provided with fixed disk, can further improve close
Seal effect.
3. there are four magnetic sensors for setting, sensing reliability can be improved, meet operational requirements.
4. circuit board is disc structure, facilitate processing, preferably utilize the intracavity space of explosion-proof chamber, so that layout more adduction
It manages compact.
5. it is provided with display screen, it can be with display control result and various information.
6. pulse signal is the voltage signal that Hall original part generates, signal stabilization is easy to control.
7. tempered glass intensity with higher can preferably bear to tap, extend the service life of whole device.
8. Hall element is easily manufactured, raw material is easy to get, and can preferably be incuded with magnet.
Detailed description of the invention
Fig. 1 is a kind of structural representation of contactless smart servo liquidometer described in specific embodiment of the present invention
Figure.
Fig. 2 is the right view of Fig. 1.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
In present embodiment, as shown in Figs. 1-2, a kind of contactless smart servo liquidometer, including explosion-proof chamber 1 and peace
Circuit board 2 in the explosion-proof chamber 1, the circuit board 2 is vertically arranged, and the circuit board 2 is mounted on described by bracket 3
In explosion-proof chamber 1, the end of circuit board 2 described in 1 face of explosion-proof chamber is induction end 11, and the bracket 3 is remote with the circuit board 2
Surface from the induction end 11 is fixedly connected, and is provided through perforation 4 inside and outside circuit board 2 described in 11 face of induction end,
11 inner sidewall of induction end is recessed to be formed to be watched with 4 installation grooves being coaxially set of perforating, the contactless smart
Taking liquidometer further includes by transparent baffle 5, and the baffle 5 matches with the installation groove and is fixedly mounted on the installation
In groove, the position that the baffle 5 is contacted with the installation groove bottom surface is fixedly installed with O-ring 6, the installation groove
The groove bottom of the installation groove between side wall and the O-ring 6 is filled with described in 2 face of circuit board described in sealant 61 and wears
Hole 4 is fixedly installed with magnetic sensor 7, and the magnetic sensor 7 is electrically connected with the circuit board 2, the contactless intelligence
Energy servo liquidometer further includes the magnet 8 being arranged on the outside of the explosion-proof chamber, and the magnet 8 and the magnetic sensor 7 are mutual
Induction, when the magnet 8 is close to the magnetic sensor 7, the magnetic sensor 7 generates control signal and passes to circuit board 2；
This contactless smart servo liquidometer utilizes magnet 8 close or far from magnetic sensor 7, so that magnetic sensor 7 detects
It is changed into control signal after to magnetic strength induction signal and passes to circuit board 2, then whole equipment is controlled by circuit board 2 and realizes corresponding function
Energy.It is provided with baffle 5, convenient for the real time status in the intracavitary portion of observation and explosion-proof, baffle 5 is fixedly mounted in induction end 11, Ke Yigeng
The percussion of good receiving magnet 8, stability is high, is provided with O-ring 6 and sealant 61, can be preferably recessed to baffle and installation
It is sealed and fixes between slot, improve sealing reliability, can preferably make in high temperature, high pressure and explosive environments
With.Meanwhile contactless realization control, preferably it can repair and debug, reduce workload needed for repairing.
In the present embodiment, the baffle 5 structure in the form of annular discs, the groove depth ruler of 5 thickness of baffle and the installation groove
Very little to match, the baffle 5 is equipped with fixed disk 9 far from the surface of the installation groove, and the internal diameter of the fixed disk 9 is greater than institute
4 diameters of perforation are stated, are less than 5 diameter of baffle, the fixed disk 9 is coaxially set with the perforation 4, outside the fixed disk 9
Diameter matches with 11 size of induction end.Baffle 5 is disc-shaped structure, facilitates processing and installation, is provided with fixed disk 9,
Sealing effect can further be improved.
In the present embodiment, there are four the settings of magnetic sensor 7.There are four magnetic sensors 7 for setting, and biography can be improved
Feel reliability, meets operational requirements.
In the present embodiment, the circuit board 2 is in disc structure, and the magnetic sensor 7 is arranged in 2 diameter of circuit board
To on direction, the center of circle of circle is located along the same line with 2 center of circle of circuit board where four magnetic sensors 7, and four
7 line of magnetic sensor is square.Circuit board 2 is disc structure, facilitates processing, preferably utilizes the interior of explosion-proof chamber 1
Cavity space, so that layout is more rationally compact.
In the present embodiment, display screen 21 is provided on the circuit board 2,4 setting of perforation described in 21 face of display screen,
The display screen 21 is arranged in the region that four magnetic sensors 7 surround, the display screen 21 and 2 electricity of circuit board
Property connection.It is provided with display screen 21, it can be with display control result and various information.
In the present embodiment, the control signal is pulse signal.Pulse signal is the voltage signal that Hall original part generates, letter
Number stabilization, it is easy to control.
In the present embodiment, the transparent material is tempered glass.Tempered glass intensity with higher, can preferably hold
It is tapped, extends the service life of whole device.
In the present embodiment, the magnetic sensor 7 is Hall element.Hall element is easily manufactured, and raw material is easy to get, Ke Yigeng
Good is incuded with magnet.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that；
It can still modify to technical solution documented by previous embodiment, or to some or all of the technical features
It is equivalently replaced；And these are modified or replaceed, the utility model embodiment that it does not separate the essence of the corresponding technical solution
The range of technical solution should all cover in the claim of the utility model and the range of specification.
Claims (8)
1. a kind of contactless smart servo liquidometer, which is characterized in that including explosion-proof chamber and be mounted in the explosion-proof chamber
Circuit board, the circuit board is vertically arranged, and the circuit board is mounted in the explosion-proof chamber by bracket, and the explosion-proof chamber is just
End to the circuit board is induction end, and the bracket is fixedly connected with the circuit board far from the surface of the induction end,
Perforation is provided through inside and outside circuit board described in the induction end face, the induction end inner sidewall is recessed to be formed and the perforation
The installation groove being coaxially set, the contactless smart servo liquidometer further include by transparent baffle, the baffle with
The installation groove matches and is fixedly mounted in the installation groove, and the baffle connects with the installation groove bottom surface
The position of touching is fixedly installed with O-ring, the groove bottom of the installation groove between the installation groove side wall and the O-ring
Filled with sealant, perforation described in the circuit board face is fixedly installed with magnetic sensor, the magnetic sensor with it is described
Circuit board is electrically connected, and the contactless smart servo liquidometer further includes the magnet being arranged on the outside of the explosion-proof chamber, institute
State magnet and the magnetic sensor mutual induction.
2. a kind of contactless smart servo liquidometer according to claim 1, which is characterized in that the baffle is in disk
Shape structure, the Weir Plate Thickness and the groove depth size of the installation groove match, and the baffle is far from the installation groove
Surface is equipped with fixed disk, and the internal diameter of the fixed disk is greater than the penetration hole diameter, is less than the baffle diameter, the fixed disk
It is coaxially set with the perforation, the fixed dish external diameter matches with the induction end size.
3. a kind of contactless smart servo liquidometer according to claim 1, which is characterized in that the magnetic sensor
There are four settings.
4. a kind of contactless smart servo liquidometer according to claim 3, which is characterized in that the circuit board be in
Disc structure, magnetic sensor setting the circuit board in the radial direction, circle where four magnetic sensors
The center of circle is located along the same line with the circuit board center of circle, and four magnetic sensor lines are square.
5. a kind of contactless smart servo liquidometer according to claim 4, which is characterized in that set on the circuit board
It is equipped with display screen, setting of perforating described in the display screen face, the display screen setting is surrounded in four magnetic sensors
Region in, the display screen and the circuit board are electrically connected.
6. a kind of contactless smart servo liquidometer according to claim 1, which is characterized in that the magnetic sensor
It is pulse signal with the signal that the magnet generates.
7. a kind of contactless smart servo liquidometer according to claim 1, which is characterized in that the baffle is tempering
Glass.
8. a kind of contactless smart servo liquidometer according to claim 1, which is characterized in that the magnetic sensor
For Hall element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772188.5U CN208458839U (en) | 2018-05-23 | 2018-05-23 | A kind of contactless smart servo liquidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820772188.5U CN208458839U (en) | 2018-05-23 | 2018-05-23 | A kind of contactless smart servo liquidometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208458839U true CN208458839U (en) | 2019-02-01 |
Family
ID=65148621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820772188.5U Active CN208458839U (en) | 2018-05-23 | 2018-05-23 | A kind of contactless smart servo liquidometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208458839U (en) |
-
2018
- 2018-05-23 CN CN201820772188.5U patent/CN208458839U/en active Active
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