CN202255551U - Anti-explosion intelligent tuning fork type level meter - Google Patents
Anti-explosion intelligent tuning fork type level meter Download PDFInfo
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- CN202255551U CN202255551U CN2011203236272U CN201120323627U CN202255551U CN 202255551 U CN202255551 U CN 202255551U CN 2011203236272 U CN2011203236272 U CN 2011203236272U CN 201120323627 U CN201120323627 U CN 201120323627U CN 202255551 U CN202255551 U CN 202255551U
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Abstract
The utility model discloses an anti-explosion intelligent tuning fork type level meter, which comprises a tuning fork main body, a casing and a circuit part, wherein the circuit part comprises an acquisition control module, an information processing module, a micro-control module and an output module which are all sequentially connected. The acquisition control module comprises a vibration picking element for collecting signals and a driving element which adopts non-interrupt driving technology and is used for driving a tuning fork to vibrate, and the vibration picking element and the driving element are respectively connected with the tuning fork. The casing comprises a casing body, a front cover and a rear cover, the front cover and the rear cover are respectively and movably connected with the casing body, and the casing body is movably connected with the tuning fork. The vibration picking element enables frequency transmitted by the tuning fork main body to be performed with acquisition and analysis and capable of timely feeding back states of media. Simultaneously, the front cover and the rear cover are movably connected with the casing body, and the tuning fork main body is movably connected with the casing body, so that the anti-explosion intelligent tuning fork type level meter has the anti-explosion effect and is suitable for environments of high temperature, high pressure, strong corrosion, rich powder, inflammable and explosive gases, combustible powder and the like.
Description
Technical field
The utility model relates to a kind of level meter technical field of instrument and meter industry, is specifically related to a kind of explosion-proof intelligent tuning-fork type level meter.
Background technology
The control field in the thing position, the tuning-fork type level meter is widely used, and it is to utilize medium that the damping action of tuning fork vibration and the principle of piezoelectric effect are designed; The transducing part of probing medium is made up of tuning fork; Himself when tuning fork receives the damping action of testing medium, just stops vibration with fixing vibration frequency and amplitude vibration; Go out this variation by electric circuit inspection, and the output control signal corresponding.
The mode that traditional tuning-fork type level meter detects material level is more single, can only detect the being and not being of medium, and can't distinguish medium is liquid state or solid-state; Simultaneously; Traditional tuning-fork type level meter goes for the rugged surroundings of high temperature, high pressure, deep-etching, many dust mostly; In the environment that inflammable, explosive gas and combustible dust are arranged, just be difficult to use; This type of environment has extremely strict requirement to explosion-proof, the explosion insulation performance of product, and existing tuning-fork type level meter is difficult to reach above-mentioned requirements.
Therefore, a kind of can detect medium state and have explosion-proof intelligent tuning-fork type level meter explosion-proof, explosion insulation performance demand urgently occurring.
The utility model content
For solving the problems of the technologies described above, the purpose of the utility model is to provide a kind of and can detects medium state and have explosion-proof intelligent tuning-fork type level meter explosion-proof, explosion insulation performance.
For achieving the above object; The technical scheme of the utility model is following: a kind of explosion-proof intelligent tuning-fork type level meter; Comprise tuning fork main body, housing and circuit part, circuit part comprises acquisition control module, message processing module, micro control module and output module, and above-mentioned module links to each other successively;
Said acquisition control module comprises pick-up element and uninterrupted actuation techniques of employing that is used for acquired signal and the driving element that is used to drive tuning fork vibration, and said pick-up element links to each other with said tuning fork respectively with said driving element;
Said housing comprises body, protecgulum and bonnet, and said protecgulum and said bonnet flexibly connect with said body respectively, and said body and said tuning fork flexibly connect.
Preferably, said message processing module input end links to each other with said pick-up element, and output terminal links to each other with said driving element.
Preferably, also be provided with rubber ring in the junction of said body and said tuning fork.
Preferably, also offer cavity in the said body, be equiped with control and display panel and two groups of fence type connection terminals in the said cavity.
Preferably, said protecgulum is provided with the windowpane of being convenient to observe.
Preferably, said flexible connection is for being threaded or clamping.
Pass through technique scheme; The beneficial effect of the utility model technical scheme is: a kind of explosion-proof intelligent tuning-fork type level meter; Comprise tuning fork main body, housing and circuit part; Circuit part comprises acquisition control module, message processing module, micro control module and output module, and above-mentioned module links to each other successively; Said acquisition control module comprises pick-up element and uninterrupted actuation techniques of employing that is used for acquired signal and the driving element that is used to drive tuning fork vibration, and said pick-up element links to each other with said tuning fork respectively with said driving element; Said housing comprises body, protecgulum and bonnet, and said protecgulum and said bonnet flexibly connect with said body respectively, and said body and said tuning fork flexibly connect; Adopt the explosion-proof intelligent tuning-fork type level meter that the utility model provided, adopt the pick-up element, make frequency that the tuning fork main body passes over behind collection analysis, can in time feed back the state of medium; Simultaneously, through the flexible connection of front and rear covers and said body, and the flexible connection of said tuning fork and said body, can play the flame proof effect, be applicable in the environment such as high temperature, high pressure, deep-etching, many dust and inflammable, explosion hazard gases and combustible dust.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology; To do to introduce simply to the accompanying drawing of required use in the embodiment technical description below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of explosion-proof intelligent tuning-fork type level meter embodiment of the utility model;
Fig. 2 is the circuit theory diagrams of a kind of explosion-proof intelligent tuning-fork type level meter embodiment of the utility model.
The represented corresponding component title of numeral among the figure:
1. tuning fork main body 2. piezoelectric crystals 3. junctions 4. protecgulums, 5. windowpanes, 6. circuit boards, 7. bodies 8. connection terminals 9. bonnets 10. rubber rings.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of and can detect medium state and have explosion-proof intelligent tuning-fork type level meter explosion-proof, explosion insulation performance.
Embodiment,
Like Fig. 1 and as shown in Figure 2; Explosion-proof intelligent tuning-fork type level meter comprises tuning fork main body 1, housing and circuit part, and said housing is explosion-proof aluminum alloy casing; Circuit part comprises acquisition control module, message processing module, micro control module and output module, and above-mentioned module links to each other successively; Said acquisition control module comprises pick-up element and uninterrupted actuation techniques of employing that is used for acquired signal and the driving element that is used to drive tuning fork vibration; Said pick-up element links to each other with said tuning fork main body 1 respectively with said driving element; Said message processing module input end links to each other with said pick-up element, and output terminal links to each other with said driving element; Described pick-up element and driving element are made into the compacting crystal 2 and are installed on the said tuning fork main body 1.
In technique scheme, gather the vibration frequency of tuning fork in different medium through the pick-up element, pass to smart circuit then and handle, utilize tuning fork in different these characteristics of different medium medium frequency, thereby realize the state of tuning fork resolution medium.
Said housing comprises body 7, protecgulum 4 and bonnet 9; Said protecgulum 4 is provided with the windowpane of being convenient to observe 5, and said protecgulum 4 flexibly connects with said body 7 respectively with said bonnet 9, and said body 7 flexibly connects with said tuning fork 1; Movable connection method in the present technique scheme adopts and is threaded; Can also adopt clamping or other connected modes, at this, the utility model is not done qualification; Adopt the screw thread faying face to carry out flame proof, explosion-proof effect is better, and the threaded engagement of the screw thread faying face in this is 6G/6W, and minimum tooth is combined into 8 buttons, and length of fit is 9.5mm; In addition, can also be applicable in the environment such as high temperature, high pressure, deep-etching, many dust and inflammable, explosion hazard gases and combustible dust.
Junction in said body 7 and said tuning fork main body 1 also is provided with rubber ring, and here, the rubber ring of employing is an o type rubber ring, seals with this, guarantees excellent sealing performance, makes the shell protection grade reach IP65.Simultaneously, tuning fork adopts the S316L material in the present technique scheme, when guaranteeing oscillation intensity, has very strong resistance to acids and bases, does not do any qualification at this utility model, and embodiment is determined on a case-by-case basis, and is main can realize the utility model.
Also offer the cavity (not shown) in the said body 7, be equiped with control and display panel and two groups of fence type connection terminals 8 in the said cavity, below control and display panel, be provided with circuit board 6; Said two groups of fence type connection terminals are imported as power supply for 8 one groups, and another group is exported as relay.
The present technique scheme also adopts uninterrupted type of drive electric current to be provided for said explosion-proof intelligent tuning-fork type level meter, guarantees tuning fork failure of oscillation not in any medium from the air to the solid.
Its principle of work is: opening device; When material produces damping action to tuning fork, the vibration frequency of tuning fork is changed, go out this variation by the pick-up element testing; Pass to message processing module; Through the processing of difference amplification, bandpass filtering, phase shift, a series of circuit of power amplification, send the MCU intelligence control circuit on the one hand to and handle, produce the output signal; Supply with driving element on the other hand to keep the uninterrupted vibration of tuning fork, the MCU intelligence control circuit passes to control and display panel with relevant information again.
The utility model adopts the frequency collection technology; Gather the vibration frequency of tuning fork main body 1 in different medium through the pick-up element; Sending smart circuit then to handles; Owing to adopt uninterrupted actuation techniques in the circuit, can guarantee tuning fork main body 1 failure of oscillation not in any medium from the air to the solid, thereby can utilize different these characteristics of the frequency of tuning fork main body 1 in different medium to realize that tuning fork differentiates the purpose of medium state.
Pass through technique scheme; The beneficial effect of the utility model technical scheme is: a kind of explosion-proof intelligent tuning-fork type level meter; Comprise tuning fork main body 1 and housing, also comprise acquisition control module, message processing module, micro control module and output module, above-mentioned module links to each other successively; Said acquisition control module comprises pick-up element and uninterrupted actuation techniques of employing that is used for acquired signal and the driving element that is used to drive tuning fork vibration, and said pick-up element links to each other with said tuning fork 1 respectively with said driving element; Said housing comprises body 7, protecgulum 4 and bonnet 9, and said protecgulum 4 flexibly connects with said body 7 respectively with said bonnet 9, and said body 7 flexibly connects with said tuning fork main body 1; Adopt the explosion-proof intelligent tuning-fork type level meter that the utility model provided, adopt the pick-up element, make frequency that tuning fork passes over behind collection analysis, can in time feed back the state of medium; Simultaneously; Flexible connection through front and rear covers and said body 7; And the flexible connection of said tuning fork main body 1 and said body 7, can play the flame proof effect, be applicable in the environment such as high temperature, high pressure, deep-etching, many dust and inflammable, explosion hazard gases and combustible dust.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. an explosion-proof intelligent tuning-fork type level meter comprises tuning fork main body, housing and circuit part, it is characterized in that circuit part comprises acquisition control module, message processing module, micro control module and output module, and above-mentioned module links to each other successively;
Said acquisition control module comprises pick-up element and uninterrupted actuation techniques of employing that is used for acquired signal and the driving element that is used to drive tuning fork vibration, and said pick-up element links to each other with said tuning fork respectively with said driving element;
Said housing comprises body, protecgulum and bonnet, and said protecgulum and said bonnet flexibly connect with said body respectively, and said body and said tuning fork flexibly connect.
2. explosion-proof intelligent tuning-fork type level meter according to claim 1 is characterized in that said message processing module input end links to each other with said pick-up element, and output terminal links to each other with said driving element.
3. explosion-proof intelligent tuning-fork type level meter according to claim 2 is characterized in that, also is provided with rubber ring in the junction of said body and said tuning fork.
4. explosion-proof intelligent tuning-fork type level meter according to claim 3 is characterized in that, also offers cavity in the said body, is equiped with control and display panel and two groups of fence type connection terminals in the said cavity.
5. explosion-proof intelligent tuning-fork type level meter according to claim 4 is characterized in that said protecgulum is provided with the windowpane of being convenient to observe.
6. explosion-proof intelligent tuning-fork type level meter according to claim 5 is characterized in that said flexible connection is for being threaded or clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203236272U CN202255551U (en) | 2011-08-31 | 2011-08-31 | Anti-explosion intelligent tuning fork type level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203236272U CN202255551U (en) | 2011-08-31 | 2011-08-31 | Anti-explosion intelligent tuning fork type level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202255551U true CN202255551U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203236272U Expired - Lifetime CN202255551U (en) | 2011-08-31 | 2011-08-31 | Anti-explosion intelligent tuning fork type level meter |
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|---|---|
| CN (1) | CN202255551U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006863A (en) * | 2014-05-07 | 2014-08-27 | 含山县大力精密机械有限公司 | Integrally-cast liquid level tuning fork |
| CN105444837A (en) * | 2015-11-02 | 2016-03-30 | 深圳计为自动化技术有限公司 | Tuning fork material level meter and material level monitoring method and system thereof |
| WO2018176579A1 (en) * | 2017-04-01 | 2018-10-04 | 伊玛精密电子（苏州）有限公司 | Miniature intelligent tuning fork-type level gauge |
-
2011
- 2011-08-31 CN CN2011203236272U patent/CN202255551U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006863A (en) * | 2014-05-07 | 2014-08-27 | 含山县大力精密机械有限公司 | Integrally-cast liquid level tuning fork |
| CN105444837A (en) * | 2015-11-02 | 2016-03-30 | 深圳计为自动化技术有限公司 | Tuning fork material level meter and material level monitoring method and system thereof |
| CN105444837B (en) * | 2015-11-02 | 2018-10-30 | 深圳计为自动化技术有限公司 | A kind of tuning fork material-position measuring meter and its method, the system for monitoring level |
| WO2018176579A1 (en) * | 2017-04-01 | 2018-10-04 | 伊玛精密电子（苏州）有限公司 | Miniature intelligent tuning fork-type level gauge |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
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| CX01 | Expiry of patent term |