CN208075979U - A kind of explosion-proof outer ultrasonic liquid level switch - Google Patents
A kind of explosion-proof outer ultrasonic liquid level switch Download PDFInfo
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- CN208075979U CN208075979U CN201820410120.2U CN201820410120U CN208075979U CN 208075979 U CN208075979 U CN 208075979U CN 201820410120 U CN201820410120 U CN 201820410120U CN 208075979 U CN208075979 U CN 208075979U
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- shell
- explosion
- liquid level
- circuit board
- level switch
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Abstract
The utility model provides a kind of explosion-proof outer ultrasonic liquid level switch, including ultrasonic probe module, shell, plug, circuit board, which is characterized in that the plug is installed on the shell；One end of the ultrasonic probe module is connect with the plug；The shell includes cover, watch shell, small shell, the cover, the watch shell the inner surface of the small shell be equipped with flame proof thread；The shell is equipped with successively from top to bottom, windowpane, glass trim ring, circuit board and connecting terminal；If the circuit board is equipped with dried layer, separated with screw between the circuit board；The connecting terminal is electrically connected with the ultrasonic probe module.The outer ultrasonic liquid level switch of the utility model can use in volatile environment, and the layered structure of circuit board forms sufficiently large explosion-proof chamber, is greatly improved explosion-proof performance.
Description
Technical field
The utility model belongs to ultrasound examination field, and in particular to a kind of explosion-proof outer ultrasonic liquid level switch.
Background technology
Outer ultrasonic liquid level switch only needs the outer surface that ultrasonic probe is contacted to measured container i.e. detectable
Go out the liquid level in container.It is mainly used for monitoring storage tank liquid level, realizes in bound alarm or monitoring pipeline whether there is medium
In the presence of the level process for being applicable to the industries such as medicine, oil, chemical industry, electric power, food controls.In industrial production, external labeling type is super
Sound wave liquid level switch needs the ultrasonic liquid level switch for having explosion-proof performance in explosive gas atmosphere to be susceptible to safe ask
Topic.
Utility model content
Therefore, the purpose of this utility model is to provide a kind of explosion-proof outer ultrasonic liquid level switch, the external labeling type is super
Sound wave liquid level switchs the measurement that safety and precise can be realized in explosive gas atmosphere.
In order to achieve the above objectives, the utility model provides a kind of explosion-proof outer ultrasonic liquid level switch, including ultrasonic wave
Probe module, shell, plug and circuit board, the plug are installed on the shell；One end of the ultrasonic probe module with
The plug connection；The shell includes cover, watch shell, small shell, the cover, the watch shell the small shell interior table
Face is equipped with flame proof thread；The shell is equipped with successively from top to bottom, windowpane, glass trim ring, circuit board and terminals
Son；If the circuit board is equipped with dried layer, separated with screw between the circuit board；The connecting terminal and the ultrasonic probe
Module is electrically connected.
Preferably, the shell is equipped with anti-flake.Use respectively anti-flake connection table lid and watch shell and watch shell and
Tegillum prevents at work, and shell is got loose.
Preferably, the junction of the plug and the shell is equipped with flame proof thread.Enhance the anti-of ultrasonic liquid level switch
Quick-fried installation capability.
Preferably, the depth of engagement of flame proof thread is at least 8mm.The depth of engagement reaches 8mm or more so that explosion-proof performance reaches
To higher requirement.
Preferably, the outer surface of the shell is equipped with mounting bracket.Ultrasonic liquid level switch can be installed by mounting bracket
In different positions, different environment is adapted to.
What the utility model generated has the beneficial effect that：The shell of the outer ultrasonic liquid level switch of the utility model it is each
Component is protected with vehicle and is threadedly coupled, and the circuit board layering installation that inside is equipped with forms an explosion-proof chamber.The external labeling type of the utility model
Ultrasonic liquid level switch can use in volatile environment, and the layered structure of circuit board forms sufficiently large explosion-proof chamber,
It is greatly improved explosion-proof performance.
Description of the drawings
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, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram of explosion-proof outer ultrasonic liquid level switch of the utility model；
Fig. 2 is a kind of vertical view of explosion-proof outer ultrasonic liquid level switch of the utility model.
Wherein, 1, cover；2, windowpane；3, glass trim ring；4, circuit board；5, watch shell；6, connecting terminal；7, small shell；
8, anti-flake；9, shell；10, plug；11, ultrasonic probe module；12, mounting bracket.
Specific implementation mode
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Specific embodiment of the present utility model is described below in conjunction with attached drawing.
Fig. 1-2 shows that a kind of explosion-proof outer ultrasonic liquid level switch, the utility model provide a kind of explosion-proof external labeling type
Ultrasonic liquid level switch, including ultrasonic probe module 11, shell 9, plug 10, circuit board 4, the plug 10 are installed on described
Shell 9；One end of the ultrasonic probe module 11 is connect with the plug 10；The shell 9 include cover 1, watch shell 5,
The inner surface of small shell 7, small shell 7 described in the cover 1, the watch shell 5 is equipped with flame proof thread；The shell 9 from upper end to
Lower end is equipped with successively, windowpane 2, glass trim ring 3, circuit board 4 and connecting terminal 6；If the circuit board is equipped with dried layer, the electricity
It is separated with screw between the plate of road；The connecting terminal 6 is electrically connected with the ultrasonic probe module 11.
Further, the shell is equipped with anti-flake 8.Anti- flake connection table lid and watch shell and watch shell are used respectively
And tegillum, it prevents at work, shell is got loose.
Further, the junction of the plug 10 and the shell 9 is equipped with flame proof thread.Enhance ultrasonic liquid level switch
Explosion-proof installation capability.
Further, the depth of engagement of flame proof thread is at least 8mm.The depth of engagement reaches 8mm or more so that explosion-proof performance
Reach higher requirement.
Further, the outer surface of the shell 9 is equipped with mounting bracket.Ultrasonic liquid level switch can be pacified by mounting bracket
Mounted in different positions, different environment is adapted to.
The operation principle or working method of the utility model：Ultrasonic probe module 11 passes through terminals by signal is detected
Son 6 enters circuit board 4, and circuit board 4 shows testing result.Staff can observe result by windowpane 2.Shell is cover
1, watch shell 5, small shell 7 form, and are connected by flame proof thread.Internal circuit board 4 is multilayered structure, expands the sky of explosion-proof chamber
Between.Glass trim ring 2 is capable of the position of stabilizing circuit plate 4, while playing the role of insulation.
The outer ultrasonic liquid level switch of the utility model can use in volatile environment, the layering of circuit board
Structure forms sufficiently large explosion-proof chamber, is greatly improved explosion-proof performance.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (5)
1. a kind of explosion-proof outer ultrasonic liquid level switch, including ultrasonic probe module, shell, plug and circuit board, special
Sign is that the plug is installed on the shell；One end of the ultrasonic probe module is connect with the plug；The shell
Including cover, watch shell, small shell, the inner surface of the cover, the watch shell and the small shell is equipped with flame proof thread；It is described
Shell is equipped with successively from top to bottom, windowpane, glass trim ring, circuit board and connecting terminal；The circuit board is equipped with several
Layer, it is separated with screw pole between the circuit board；The connecting terminal is electrically connected with the ultrasonic probe module.
2. a kind of explosion-proof outer ultrasonic liquid level switch according to claim 1, which is characterized in that the shell is equipped with
Anti- flake.
3. a kind of explosion-proof outer ultrasonic liquid level switch according to claim 1, which is characterized in that the plug and institute
The junction for stating shell is equipped with flame proof thread.
4. a kind of explosion-proof outer ultrasonic liquid level switch according to claim 1, which is characterized in that flame proof thread is nibbled
It closes depth and is at least 8mm.
5. a kind of explosion-proof outer ultrasonic liquid level switch according to claim 1, which is characterized in that outside the shell
Surface is equipped with mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820410120.2U CN208075979U (en) | 2018-03-26 | 2018-03-26 | A kind of explosion-proof outer ultrasonic liquid level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820410120.2U CN208075979U (en) | 2018-03-26 | 2018-03-26 | A kind of explosion-proof outer ultrasonic liquid level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208075979U true CN208075979U (en) | 2018-11-09 |
Family
ID=64047828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820410120.2U Active CN208075979U (en) | 2018-03-26 | 2018-03-26 | A kind of explosion-proof outer ultrasonic liquid level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208075979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455373A (en) * | 2019-09-16 | 2019-11-15 | 杭州海盛海智联科技有限公司 | A kind of explosion-proof type pressure liquid level transmitter |
-
2018
- 2018-03-26 CN CN201820410120.2U patent/CN208075979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455373A (en) * | 2019-09-16 | 2019-11-15 | 杭州海盛海智联科技有限公司 | A kind of explosion-proof type pressure liquid level transmitter |
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| GR01 | Patent grant |