CN209524985U - A kind of single switch two point form liquidometer - Google Patents
A kind of single switch two point form liquidometer Download PDFInfo
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- CN209524985U CN209524985U CN201920536170.XU CN201920536170U CN209524985U CN 209524985 U CN209524985 U CN 209524985U CN 201920536170 U CN201920536170 U CN 201920536170U CN 209524985 U CN209524985 U CN 209524985U
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- China
- Prior art keywords
- drawstring
- clump weight
- liquidometer
- liquid level
- shell
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Abstract
The utility model relates to a kind of liquidometers, and in particular to a kind of single switch two point form liquidometer.It includes shell, it is provided with sliding block, microswitch and spring in shell, drawstring is installed in spring, one end of drawstring is connect with sliding block, the other end penetrates shell and extends to hull outside, has been sequentially arranged hollow sphere clump weight and medicine ball clump weight from top to bottom on drawstring.The core electric elements of the utility model are arranged in shell, not contact liq, the various environment adapted to from pure water to soda acid dope or other corrosive liquids etc.；The utility model does not need to increase the quantity of liquidometer, the switch point of increase liquidometer is not needed yet, it can be realized during liquid level rises and declines with liquid level by a microswitch, rise control point and exported with signal of the control point not in the same liquid level is declined；The limited block at hollow sphere clump weight both ends is arranged in by two to be adjusted in the height of two liquid level points of the utility model, and structure is simple, easy to use.
Description
Technical field
The utility model relates to a kind of liquidometers, and in particular to a kind of single switch two point form liquidometer.It can be widely applied to
A variety of environment such as water and Sewage Environment, soda acid, mud, food.
Background technique
Often need sensed water level whether normal in industrial production, it is common at present to ensure to produce pressure in rated range
Fluid level controller drive connecting rod mobile or rotation using floating ball, realize the fixed point detection control of liquid level, it is in the prior art
Fluid level controller generally uses inductance type floating ball sensor, when water level changes, is connected to the silicon rod on floating ball in inductance
It is moved in coil, the inductance at inductance coil both ends is made to change, the inductance feeding secondary meter of this variation, two
The variation liquid level signal of this inductance, is converted into instruction corresponding with liquid level and signal, passes through the liquid when secondary instrument receives
Position signal designation realizes the control to liquid level, but fluid level controller used in the prior art is generally only floating comprising one
Ball can only realize the level sensing of a point, be unable to satisfy the requirement that the liquid level of points multiple to multiple positions is detected.And
It easily intakes in floating ball, inductance sensor gets wet and is easily damaged, if only installing a floating ball sensor, which occurs
When damage, necessarily causes level measurement inaccurate, make fluid level controller can not normal use.
With the mode of drawstring control liquid-level switch, structure is simple, it is easy to use, can be applicable in many occasions.Dragline type
Liquidometer is in use, can usually require equipment and start in some liquid level point；Stop in another liquid level point.In order to realize this
A requirement, can be there are many method.The quantity for such as increasing liquidometer increases the number of control points etc. of liquidometer.However at one
Two liquidometers of place installation, not only will increase use cost, but also be likely to result in drawstring winding in use, cause
Can not work, influence using.
Utility model content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of single switch two point form
Liquidometer is increased without liquidometer, without the switch point for increasing liquidometer, is still opened with an original Liquid level
It closes, realizes the switch during liquid level rises and declines with liquid level, rise control point and decline control point not in the same liquid
Face, and the height of two points very easily can be adjusted arbitrarily respectively.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of single switch two point form liquidometer, including
Shell is provided with sliding block, microswitch and spring in the shell, and the actuated element of the microswitch is supported with the sliding block
It connects, the spring is mounted in the sliding block, and drawstring is equipped in the spring, and one end of the drawstring and the sliding block connect
It connects, the other end penetrates the shell and extends to the hull outside, has been sequentially arranged hollow sphere from top to bottom on the drawstring and has matched
Pouring weight and medicine ball clump weight.
Further, it is located on the drawstring above the hollow sphere clump weight and is provided with the first limited block, the drawing
It is located at the hollow sphere clump weight on rope and realizes that the position between full clump weight is provided with the second limited block, first limit
Block and the second limited block can be moved up and down along the drawstring.
Further, the bottom end of the shell is provided with installation card.
Further, the hollow sphere clump weight and medicine ball clump weight are that PVC material is made.
Further, the drawstring is drawstring made of nylon wire.
The beneficial effects of the utility model are:
1, the core electric elements sliding block, microswitch and spring of the utility model are arranged in shell, are not contacted
Liquid, the electrical possibility that has partly broken down caused by having prevented because of liquid leakage, adapt to from pure water to soda acid dope or other
The various environment of corrosive liquids etc.；
2, the utility model does not need to increase the quantity of liquidometer, does not need the switch point for increasing liquidometer yet, passes through
One microswitch can be realized during liquid level rises and declines with liquid level, rise control point with decline control point not same
Signal output when one liquid level；
3, the limited block at hollow sphere clump weight both ends is arranged in by two for the height of two liquid level points of the utility model
It is adjusted, structure is simple, easy to use.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of single switch two point form liquidometer described in the utility model specific embodiment；
Fig. 2-7 is usage state diagram of the utility model during liquid level raising and lowering；
Fig. 8 is the state change schematic diagram of microswitch during liquid level raising and lowering.
Appended drawing reference:
1- shell；2- sliding block；3- microswitch；4- installation card；5- spring；6- drawstring；7- hollow sphere clump weight；8- is solid
Ball clump weight；The first limited block of 9-；The second limited block of 10-；11- low liquid level line；12- assists liquid level line.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only
For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation
Novel protection scope.
It should be noted that unless otherwise indicated, technical term or scientific term used in this application should be this reality
The ordinary meaning understood with novel one of ordinary skill in the art.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic.The meaning of " plurality " is two in the description of the present invention,
More than, unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment
The liquidometer of the utility model is realized according to following two points: first point, action feature possessed by microswitch
It is the engineering of an overturning that i.e. the actuated element of microswitch, which pushes the process for changing original state by external force, to make microswitch
Switch to open state in closed state, or vice versa, there is " bank " of a reinforcing variation, has crossed this " bank " external force and fallen back on originally
Degree, it is constant that microswitch still maintains state；Second point, object varying in weight in air and liquid and object specific gravity
(gravity is downward) can be sunk greater than liquid；Object specific gravity, which is less than liquid, can float (gravity is upward), accordingly the liquid level of utility model
Meter, principle are described as follows:
A kind of structure of single switch two point form liquidometer provided by the utility model is as shown in Figure 1, include microswitch
3, the sliding block 2 of microswitch 3, the spring 5 of upward top sliding block 2, the drawstring 6 of connection sliding block 2,2 weight bodies on drawstring 6 are touched
(including a hollow sphere clump weight 7 and a medicine ball clump weight 8), and and for shell 1 to be fixed on the wall or pipeline
On installation card 4, adjustable position two limited blocks (including the first limited block 9 and second limited block 10), the first limited block 9,
Hollow sphere clump weight 7, the second limited block 10 and medicine ball clump weight 8 are sequentially mounted on drawstring 6 from top to bottom.First limited block
9 and second limited block 10 can be moved up and down along drawstring 6, the scope of activities of hollow sphere clump weight 7 is adjusted with this, to accord with
Close the demand of different clients.Liquid level may be implemented in low liquid level line 11 and auxiliary 12 liang of liquid level points of liquid level line in the utility model
The start and stop of equipment.In addition, being additionally provided with the single-chip microcontroller for receiving the output of microswitch signal in monitoring room.
The single switch two point form liquidometer course of work of the utility model is specific as follows:
1, liquid level uphill process:
As shown in Fig. 2, drawstring bears hollow sphere clump weight and medicine ball is matched when liquid level line is lower than medicine ball clump weight
The aerial total weight of pouring weight, sliding block is under the action of wire-pulling force is downward, compressed spring to lowest positions, and triggers fine motion
Switch (normally closed point: separation)；
As liquid level rises, after liquid level line is higher than medicine ball clump weight, as shown in figure 3, the gravity of drawstring lightens, but this
The variation of a power can not be such that microswitch restores；
As shown in figure 4, liquid level continues to rise, hollow sphere clump weight rises with liquid level line, and the gravity on drawstring is constant,
Liquidometer state is also constant；
As shown in figure 5, liquid level and hollow sphere clump weight continue to rise, it is hollow when liquid level line rises to the first limited block
The buoyancy of ball clump weight mitigates the gravity on drawstring again, and sliding block moves up, and microswitch resets (normally closed point: closure).
2, liquid level declines process:
As shown in fig. 6, microswitch maintains the original state (normally closed point: closure) when liquid level line is lower than hollow sphere clump weight；
As shown in fig. 7, hollow sphere clump weight can decline with liquid level, and microswitch still maintains when liquid level, which continues, to be reduced
Original state, until drawstring gravity increases when liquid level line is lower than medicine ball clump weight, microswitch movement (normally closed point: is separated).
The state change schematic diagram of microswitch is as shown in Figure 8 during liquid level raising and lowering.
By analyzing above: the on and off of microswitch is respectively in different liquid level line states.This function is highly useful,
Only with a microswitch, it can realize that height is opened and low stop or low open the high function of stopping.
Using the single switch two point form liquidometer of the utility model in addition to having the advantages of drawstring control mode liquidometer, also
It has the advantage that 1, is simple, is reliable；2, simplify and saved control circuit, eliminate the signal-transmitting cable of a liquid level point,
Also eliminate an input point of PLC.The quantity for the liquidometer used required for one engineering be it is more, using this patent
After the liquidometer of technology, the expense of saving is considerable.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (5)
1. a kind of single switch two point form liquidometer, it is characterised in that: including shell, sliding block is provided in the shell, fine motion is opened
It closes and spring, the actuated element of the microswitch is abutted with the sliding block, the spring is mounted in the sliding block, described
Drawstring is installed, one end of the drawstring is connected with the slide block, and the other end penetrates the shell and extends to the shell in spring
Outside body, hollow sphere clump weight and medicine ball clump weight have been sequentially arranged on the drawstring from top to bottom.
2. a kind of single switch two point form liquidometer according to claim 1, it is characterised in that: be located on the drawstring described
It is provided with the first limited block above hollow sphere clump weight, the hollow sphere clump weight is located on the drawstring and realizes full counterweight
Position between block is provided with the second limited block, and the first limit block and the second limit block can be moved up and down along the drawstring.
3. a kind of single switch two point form liquidometer according to claim 2, it is characterised in that: the bottom end of the shell is arranged
There is installation card.
4. according to a kind of described in any item single switch two point form liquidometers of Claims 2 or 3, it is characterised in that: described hollow
Ball clump weight and medicine ball clump weight are that PVC material is made.
5. a kind of single switch two point form liquidometer according to claim 4, it is characterised in that: the drawstring is nylon wire system
At drawstring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536170.XU CN209524985U (en) | 2019-04-18 | 2019-04-18 | A kind of single switch two point form liquidometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920536170.XU CN209524985U (en) | 2019-04-18 | 2019-04-18 | A kind of single switch two point form liquidometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209524985U true CN209524985U (en) | 2019-10-22 |
Family
ID=68232698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920536170.XU Active CN209524985U (en) | 2019-04-18 | 2019-04-18 | A kind of single switch two point form liquidometer |
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| Country | Link |
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| CN (1) | CN209524985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932023A (en) * | 2019-04-18 | 2019-06-25 | 扬州佳境环境科技股份有限公司 | A kind of single switch two point form liquidometer |
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2019
- 2019-04-18 CN CN201920536170.XU patent/CN209524985U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109932023A (en) * | 2019-04-18 | 2019-06-25 | 扬州佳境环境科技股份有限公司 | A kind of single switch two point form liquidometer |
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