CN207751547U - A kind of glass rotameter with auto-alarm function - Google Patents
A kind of glass rotameter with auto-alarm function Download PDFInfo
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- CN207751547U CN207751547U CN201721853714.2U CN201721853714U CN207751547U CN 207751547 U CN207751547 U CN 207751547U CN 201721853714 U CN201721853714 U CN 201721853714U CN 207751547 U CN207751547 U CN 207751547U
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Abstract
The utility model provides a kind of glass rotameter with auto-alarm function, including flowmeter bodies, the flowmeter bodies include tapered glass tube and set float in the inner, tapered glass tube is equipped with maximum flow scale A and flow minimum scale B, the outside of tapered glass tube is equipped with to detect the position detecting device of float position, is connected with position detecting device and is additionally provided with alarm.When position detecting device detects the position of float less than flow minimum scale B or higher than maximum flow scale A, an alarm signal is sent to alarm, the alarm for receiving the alarm signal alarms ring, and there are security risks to prompt staff.Therefore, the glass rotameter provided by the utility model with auto-alarm function, safety is good, and can effectively avoid the generation of safety accident.
Description
Technical field
The utility model is related to technology of instrument and meter field, more specifically to a kind of with auto-alarm function
Glass rotameter.
Background technology
The main measuring cell of glass rotameter be under one vertically arranged small big tapered glass tube and
The float moving up and down in pipe.When fluid flows through tapered glass tube from bottom to top, pressure difference is generated in-between in float,
Float rises under differential pressure action.When the active force of rising, buoyancy and inviscid lift are equal with the gravity of float, at float
In equilibrium state.Due to, flow through glass rotameter fluid flow and float lifting height there is certain ratio passes
System, that is, there are certain proportionate relationships between the circulation area of glass rotameter and the lifting height of float, therefore,
The position height of float can be used as the measurement of flow.
In the prior art, glass rotameter is after initial setting is good, such as because of bleed pressure variation or flow of stopping the supple of gas or steam
Cause the pressure value in glass tube higher or relatively low beyond reasons such as processing ranges, and does not recover to normal value for a long time, pole
Easily cause safety accident, entail dangers to personal safety is gone back when serious.
Utility model content
The purpose of this utility model is to provide a kind of glass rotameter with auto-alarm function, when in glass tube
Air pressure when exceeding safe range, can detect in time and automatic alarm.
To achieve the above object, the utility model provides a kind of glass rotameter with auto-alarm function, packet
Include flowmeter bodies, the flowmeter bodies include tapered glass tube and the float that is installed in the tapered glass tube；Institute
State tapered glass tube be equipped with maximum flow scale A and flow minimum scale B, further include set on the tapered glass tube outside,
To detect the position detecting device of the float position；Further include being connected with the position detecting device, being described floating to work as
The alarm of ring alarm when the position of son is higher than the maximum flow scale A or less than flow minimum scale B.
Preferably, the position detecting device includes being respectively arranged at the maximum flow scale A and the flow
First sensor at minimum scale B and second sensor；
The first sensor includes the first biography for detecting the float at the maximum flow scale there are situation
Sensor and there are the second sensors of situation for the float at the flow minimum scale to detect.
Preferably, the float includes cylindrical portion and the point for being fixedly arranged on the cylindrical portion lower end, the cylindrical portion
It is structure as a whole with the point.
Preferably, further include set on the cylindrical portion upper end of the float, with so that the float maintains the flat of balance
Weighing apparatus portion, the balance portion are structure as a whole with the cylindrical portion.
Preferably, the point is structure as a whole with the balance portion.
Preferably, further include be connected to the first sensor, be more than that the maximum flow scale A is undergone to record
Time first time recorder.
Preferably, further include be connected to the second sensor, be more than that the flow minimum scale B is undergone to record
Time the second time recorder.
Preferably, the first sensor and the second sensor are specially reflective photoelectric sensor.
The utility model provides a kind of glass rotameter with auto-alarm function, including flowmeter bodies, should
Flowmeter bodies include tapered glass tube and set float in the inner, and tapered glass tube is equipped with maximum flow scale A and flow most
Down scale B, the outside of tapered glass tube are equipped with to detect the position detecting device of float position, with position detecting device phase
Company is additionally provided with alarm.When position detecting device detects the position of float less than flow minimum scale B or is higher than maximum flow
When scale A, an alarm signal is sent to alarm, the alarm for receiving the alarm signal alarms ring, to prompt work
Make personnel to dispose in time.
Compared with prior art, the glass rotameter provided by the utility model with auto-alarm function leads to
It crosses and the position of float in tapered glass tube is monitored in real time, the case where to monitor flow in pipe, and then monitor in pipe
Air pressure；When intraductal atmospheric pressure exceeds safe range, alarm alarms ring, and to prompt staff, there are security risks.Cause
This, the glass rotameter provided by the utility model with auto-alarm function, safety is good, can effectively keep away
Exempt from the generation of safety accident.
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 the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of the glass rotameter provided by the utility model with auto-alarm function；
Fig. 2 is the structural schematic diagram of position detecting device in Fig. 1.
Specific implementation mode
Core provided by the utility model is to provide a kind of glass rotameter with auto-alarm function, safety
Property is good, and can effectively avoid the generation of safety accident.
It should be noted that the herein presented noun of locality " upper and lower " direction refer to the upper and lower in Fig. 1 to.Herein
The noun of locality of middle appearance is set up on the basis of the usage of those skilled in the art and Figure of description, they
Appearance should not influence the scope of protection of the utility model.
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In order to make those skilled in the art more fully understand the utility model, below in conjunction with the accompanying drawings and specifically
The utility model is described in further detail for embodiment.
Referring to FIG. 1, Fig. 1 is the glass rotameter provided by the utility model with overproof auto-alarm function
Structural schematic diagram.
The utility model provides a kind of glass rotameter with auto-alarm function, including flowmeter bodies, should
Flowmeter bodies include tapered glass tube 1 and the float 2 in tapered glass tube 1, and tapered glass tube 1 is by transparent glass system
At it is equal that tapered glass tube 1 is equipped with maximum flow scale A and flow minimum scale B, maximum flow scale A and flow minimum scale B
It is set according to actual process demand, it is usually, relatively close apart between maximum flow scale A and flow minimum scale B, and two
The distance between scale is shorter than the total length of float 2, to realize the Sensitive Detection of overproof air pressure；The material that float 2 is made is not
Transparent material, float 2 be set to tapered glass tube 1 middle position, with the size of pressure in tapered glass tube 1 on float downward
It is dynamic, when float 2 is higher than at flow maximum A, show that the flow in tapered glass tube 1 is excessive, pressure is excessively high, when float 2 is low
When at flow minimum B, show that the flow in tapered glass tube 1 is very few, pressure is too low, when float 2 is in flow maximum A
When position between flow minimum B, show that the pressure of air pressure in tapered glass tube 1 is in normal range (NR).
The outside of tapered glass tube 1 is additionally provided with position detecting device, and the position that can be directed to float 2 is examined in real time
It surveys；It is connected with position detecting device and is additionally provided with alarm, when 2 position of float that position detecting device detects is higher than maximum flow
Value A or less than flow minimum B when, alarm current turns ON, immediately ring alarm, to prompt staff's cone-shaped glass at this time
Liquid pressure in pipe 1 is in abnormal condition, should exclude hidden danger in time.
Referring to FIG. 2, Fig. 2 is the structural schematic diagram of position detecting device in Fig. 1.
Above-mentioned position detecting device includes the first sensor being installed at maximum flow scale A and is installed on flow most
Second sensor at down scale B, first sensor are connected with tetra- leads of A1, A2, A3 and A4, wherein lead A1 and lead
A2 is separately connected the positive and negative electrode of external DC power supply, and the other end of A3 the first alarms of connection, the first alarm connects direct current
Power cathode；Similar, second sensor is connected with tetra- leads of B1, B2, B3 and B4, wherein and lead B1 is connected with lead A4,
Lead B2 connects the cathode of above-mentioned DC power supply, and the other end of lead B4 the second alarms of connection, the second alarm connects direct current
The cathode of power supply.
When the top of float 2 is between first sensor and second sensor, first sensor can't detect float
2, and second sensor is able to detect that the float 2, is at this time air pressure eligible state, alarm is not alarmed；Except the above situation with
Outside, when first sensor detects float 2, and second sensor can't detect float 2 or first sensor and the second sensing
Device can detect that float 2 or first sensor and second sensor all can't detect float 2, three cases above, alarm
It will ring alarm.
Specifically, the alarm condition of alarm is divided into following four situation：
The first situation, when float 2 is not detected in first sensor, and second sensor detects float 2, connection the
The lead A1 of one sensor and lead A3 access failures, thus lead A3 is without electricity, the first alarm is not alarmed, and lead A1 and lead
A4 is connected, second sensor work once electrified, and after detecting float 2, and lead B1 is connected with lead B3, due to lead B4 connections the
Two alarms, at this point, the second alarm is not alarmed；
The second situation, when first sensor detects float 2, and second sensor equally detects float 2, connection
The lead A1 and lead A3 of first sensor are connected, at this point, the first alarm obtains electric alarm；
The third situation, when first sensor detects float 2, and float 2 is not detected in second sensor, connection the
The lead A1 of one sensor is connected with lead A3, and the first alarm obtains electric alarm；
4th kind of situation, when float 2 is not detected in first sensor, and float 2 is equally not detected in second sensor, even
Connect the lead A1 of first sensor and lead A3 access failures, thus lead A3 is without electricity, the first alarm is not alarmed, and lead A1 with
Lead A4 is connected, second sensor work once electrified, and since float 2 is not detected in second sensor, lead B1 and B4 is connected, because
And the second alarm obtains electric alarm.
That is, only in the first scenario, the air pressure in tapered glass tube 1 is normal, the first alarm and second
Alarm is not alarmed, other three kinds of situations of this situation, the equal ring alarm of alarm are removed.
Above-mentioned float 2 specifically includes cylindrical portion and is fixedly arranged on the point of cylindrical portion lower end, and point is pyramidal structure,
Cylindrical portion is structure as a whole with point；The upper end of cylindrical portion can also be equipped with balance portion, which is specially that thickness is much smaller than
Cylindrical portion is but slightly longer than the cylindrical structure of cylindrical portion length, and balance portion is structure as a whole with cylindrical portion, and the setting in balance portion makes
The balance of float 2 is more preferable, more steady in the movement in tapered glass tube 1.
So, first sensor and second sensor can by detection positioned at the balance portion on 2 top of float or
The position of cylindrical portion is detected to judge that the position of float 2, point can be not as the criterions of 2 position of detection float, with contracting
Small determination range improves the safety of equipment operation.
That is, once first sensor or second sensor sense the balance portion of float 2 or appointing for cylindrical portion
One position represents float 2 and is at maximum flow scale A or at flow minimum scale B.
Certainly, point can also be used as the standard for judging 2 position of float, once that is, first sensor or the second biography
Sensor senses any position of the point of float 2, that is, represents float 2 and be at maximum flow scale A or be in flow
At minimum scale B.
It should be noted that the structure of above-mentioned float 2 can also be varied, realize that it floats on taper with air pressure size
Function in glass tube 1.
It is well known that the time that float 2 is in insecure area is longer, then danger coefficient is bigger, therefore, in order to more acurrate
Record float 2 at the time of be in off-normal position and until security risk be excluded after duration, when can be arranged
Between recorder, be provided with first time recorder specifically, being connected with first sensor, first time recorder and first sensing
It is connected by conducting wire between device, at the time of being at maximum flow scale A to record float 2, so, works as first sensor
When the balance portion of float 2 or cylindrical portion detect float 2, at the time of first time recorder will be recorded at that time with
And the time undergone before removing the hidden trouble；It is similar, it is connected with first sensor and is additionally provided with the second time recorder, second
Time recorder is connected by conducting wire with second sensor, at the time of being at flow minimum scale B with recording float 2, when
For two sensors when the point of float 2 or balance portion or cylindrical portion detect float 2, the second time recorder will
The time undergone at the time of recording at that time and before removing the hidden trouble, to provide data reference for staff.
Above-mentioned first sensor and second sensor can be reflective photoelectric sensor or other can detect float 2
The position sensor set.
Illustrate, in the present specification, such as first and second etc relational terms are used merely to an entity
It is distinguished with other several entities, without necessarily requiring or implying between these entities, there are any this actual relationships
Or sequence.
Detailed Jie has been carried out to the glass rotameter provided by the utility model with auto-alarm function above
It continues.Specific case used herein is expounded the principles of the present invention and embodiment, and above example is said
The bright method and its core concept for being merely used to help understand the utility model.It should be pointed out that for the common of the art
For technical staff, without departing from the principle of this utility model, can also to the utility model carry out it is several improvement and
Modification, modifications and modifications also fall within the protection scope of the claims of the utility model.
Claims (8)
1. a kind of glass rotameter with auto-alarm function, including flowmeter bodies, the flowmeter bodies include
Tapered glass tube (1) and the float (2) being installed in the tapered glass tube (1)；The tapered glass tube (1) is equipped with flow
Maximum scale (A) and flow minimum scale (B), which is characterized in that further include set on the outside of the tapered glass tube (1), use
To detect the position detecting device of the float (2) position；Further include being connected with the position detecting device, being described floating to work as
The alarm of ring alarm when the position of sub (2) is higher than the maximum flow scale (A) or less than flow minimum scale (B).
2. glass rotameter according to claim 1, which is characterized in that the position detecting device includes examining
The float (2) is surveyed at the maximum flow scale (A) there are the first sensor of situation and to detect the flow most
There are the second sensors of situation for the float (2) at down scale (B).
3. glass rotameter according to claim 2, which is characterized in that the float (2) include cylindrical portion and
It is fixedly arranged on the point of the cylindrical portion lower end.
4. glass rotameter according to claim 3, which is characterized in that further include being fixedly arranged in the cylindrical portion
End maintains the balance portion balanced with for the float (2).
5. glass rotameter according to claim 4, which is characterized in that the balance portion, the cylindrical portion and
The point is structure as a whole.
6. according to claim 2~5 any one of them glass rotameter, which is characterized in that further include be connected to it is described
First sensor records to record the first time at the time of float (2) reaches at the maximum flow scale (A)
Instrument.
7. glass rotameter according to claim 6, which is characterized in that further include being connected to second sensing
Device, recording the second time recorder at the time of the float (2) reaches at the flow minimum scale (B).
8. glass rotameter according to claim 7, which is characterized in that the first sensor and described second passes
Sensor is specially reflective photoelectric sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853714.2U CN207751547U (en) | 2017-12-26 | 2017-12-26 | A kind of glass rotameter with auto-alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721853714.2U CN207751547U (en) | 2017-12-26 | 2017-12-26 | A kind of glass rotameter with auto-alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207751547U true CN207751547U (en) | 2018-08-21 |
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ID=63150714
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721853714.2U Active CN207751547U (en) | 2017-12-26 | 2017-12-26 | A kind of glass rotameter with auto-alarm function |
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| CN (1) | CN207751547U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051041A (en) * | 2017-12-26 | 2018-05-18 | 重庆市旺成科技股份有限公司 | A kind of glass rotameter with auto-alarm function |
-
2017
- 2017-12-26 CN CN201721853714.2U patent/CN207751547U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051041A (en) * | 2017-12-26 | 2018-05-18 | 重庆市旺成科技股份有限公司 | A kind of glass rotameter with auto-alarm function |
| CN108051041B (en) * | 2017-12-26 | 2023-09-22 | 重庆市旺成科技股份有限公司 | Glass rotameter with automatic alarm function |
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