CN204946801U - Automatic control of liquid level mains switch - Google Patents
Automatic control of liquid level mains switch Download PDFInfo
- Publication number
- CN204946801U CN204946801U CN201520377628.3U CN201520377628U CN204946801U CN 204946801 U CN204946801 U CN 204946801U CN 201520377628 U CN201520377628 U CN 201520377628U CN 204946801 U CN204946801 U CN 204946801U
- Authority
- CN
- China
- Prior art keywords
- ball float
- mains switch
- liquid level
- liquid
- automatic control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The utility model relates to switching technique field, particularly relates to a kind of automatic control of liquid level mains switch; This automatic control of liquid level mains switch, comprises mains switch, the first ball float and the second ball float; Described first ball float and described second ball float are used for being placed in liquid pool; Described first ball float is connected by the action bars of transmission rod with described mains switch, described first ball float is connected with described second ball float, described second ball float is positioned at the below of described first ball float, and the spacing of described first ball float least significant end and described second ball float least significant end is less than the degree of depth of the liquid of described liquid pool; Described first ball float can float on described liquid, and described second ball float can suspend or float on described liquid; The automatic control of liquid level mains switch that the utility model provides, by the first ball float and be subject to the buoyancy of liquid, the second ball float and gravity thereof, changes the on off state of mains switch, requires lower, its structure is simple to circuit and environment for use, reliable in function.
Description
Technical field
The utility model relates to switching technique field, particularly relates to a kind of automatic control of liquid level mains switch.
Background technology
Liquid-level switch, also claims water level switch, is used to the switch controlling liquid level.Formally mainly be divided into contact and contactless.Conventional non-contact switch has capacitor hydraulic switch, and conventional touch switch is most widely used general with float type level switch.
Float type level switch, containing the parts such as bellows, spring, sealing that causing trouble occurs, but adopts straight float driving switch inner magnet, is a kind of structure fluid level controller simple, esy to use, safe and reliable; Be widely used in the aspects such as shipbuilding, papermaking, printing, gen-set, petrochemical industry, food industry, water treatment, electrician, dye industry, oil pressure machinery.
The principle of existing float type level switch,, in airtight non-magnetic pipe, tongue tube is installed, the ball float of annular magnet will be had through inside in this non-magnetic pipe, when liquid rises or decline, drive ball float is moved up and down together, thus make the tongue tube in this non-magnetic pipe produce the action of adhesive or disconnection, thus export a switching signal.
But the liquid-level switch of this kind of structure requires higher to circuit and environment for use, the switching signal of the usually output error because of electromagnetic interference.
Therefore, be badly in need of providing a kind of new automatic control of liquid level mains switch for the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of automatic control of liquid level mains switch, by the first ball float and be subject to the buoyancy of liquid, the second ball float and gravity thereof, change the on off state of mains switch, require lower to circuit and environment for use, its structure is simple, reliable in function.
The utility model provides a kind of automatic control of liquid level mains switch, comprises mains switch, the first ball float and the second ball float; Described first ball float and described second ball float are used for being placed in liquid pool;
Described first ball float is connected by the action bars of transmission rod with described mains switch, described first ball float is connected with described second ball float, described second ball float is positioned at the below of described first ball float, and the spacing of described first ball float least significant end and described second ball float least significant end is less than the degree of depth of the liquid of described liquid pool;
Described first ball float can float on described liquid, and described second ball float can suspend or float on described liquid;
When touching described first ball float for rising to when liquid level and continue to rise, under the buoyancy of described first ball float, described transmission rod moves up with described first ball float, orders about described mains switch and changes on off state;
And for drop to when liquid level make described second ball float expose liquid level and continue decline time, under the Action of Gravity Field of described second ball float, described transmission rod moves down with described second ball float, orders about described mains switch and again changes on off state.
Further, described automatic control of liquid level mains switch also comprises connecting rod; Described connecting rod one end and described transmission rod hinged, the other end is connected with the action bars of described mains switch.
Further, described automatic control of liquid level mains switch also comprises fixed support, and described fixed support is fixed relative to described mains switch position;
Described fixed support is provided with fixing hole perpendicular to the plane of described transmission rod, and described transmission rod is through described fixing hole.
Further, described mains switch is fixedly connected with described fixed support.
Further, described first ball float is connected with described second ball float by flexible cord.
Further, described automatic control of liquid level mains switch also comprises protection cylinder, and described first ball float and described second ball float are positioned at described protection cylinder, and can move up and down in described protection cylinder.
Further, described first ball float is hollow-core construction; Described second ball float is hollow-core construction, is filled with filler in described second ball float.
Further, the filler of described second ball float is described liquid.
Further, described first ball float is solid construction, and the density of described first ball float is less than the density of described liquid; Described second ball float is solid construction, and the density of described second ball float is not more than the density of described liquid.
Further, described mains switch is provided with waterproof outer cover.
The automatic control of liquid level mains switch that the utility model provides, described first ball float and described second ball float are set in liquid pool, when described second ball float suspends or floats on the liquid of described liquid pool, when liquid level rises to and touches described first ball float and continue to rise, suspension is in or floating state can not produce the active force of decline due to described second ball float, by the buoyancy of described first ball float, promote described transmission rod to move up with described first ball float, thus order about described mains switch change on off state, namely switching-on and switching-off state changes into off-state by connected state, or switching-on and switching-off state changes into connected state by off-state, when liquid level drop to make described second ball float expose liquid level and continue decline time, spacing due to described first ball float least significant end and described second ball float least significant end is less than the degree of depth of described liquid, by the gravity of described second ball float, described second ball float is made to have the movement tendency sinking down into liquid bottom, along with the continuous decrease of liquid level, described first ball float and described transmission rod is pulled to move down with described second ball float, thus order about described mains switch and again change on off state, namely switching-on and switching-off state changes into connected state by off-state, or switching-on and switching-off state changes into off-state by connected state, by described first ball float and be subject to the buoyancy of liquid, described second ball float and gravity thereof, rely on the pure mechanical action of two ball floats to coordinate and get final product trigger switch switching state, compared with prior art, the utility model eliminates the components such as electromagnetism ring, therefore its structure is simple, and be not subject to outside electromagnetic interference, require lower to circuit requirement and environment for use.Described automatic control of liquid level mains switch can exempt the trouble of manual control circuit completely, saves manpower; Also manual operation can be avoided completely not bring the waste of hydroelectric resources on time, or even major break down; Because it can ensure, when liquid arrives the highest liquid level or minimum liquid level, to change switching-on and switching-off state in time, and then starts in time or disable motor, avoid the mechanical damage that frequent switching on and shutting down cause to greatest extent.Described automatic control of liquid level power switch structure is simple, and selection is easy, cheap, safety and environmental protection, and reliable in function is of many uses, durable in use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is execution modes more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
First status architecture schematic diagram of the automatic control of liquid level mains switch that Fig. 1 provides for the utility model embodiment;
Second status architecture schematic diagram of the automatic control of liquid level mains switch that Fig. 2 provides for the utility model embodiment;
The third state structural representation of the automatic control of liquid level mains switch that Fig. 3 provides for the utility model embodiment;
The perspective view of the automatic control of liquid level mains switch that Fig. 4 provides for the utility model embodiment;
Reference numeral:
1-mains switch; 2-pool wall; 3-first ball float;
4-second ball float; 5-transmission rod; 6-connecting rod;
7-fixed support; 71-fixing hole; 8-flexible cord.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Embodiment
Shown in Fig. 1-Fig. 4, present embodiments provide a kind of automatic control of liquid level mains switch; Fig. 1-Fig. 3 is respectively three kinds of using states of described automatic control of liquid level mains switch; The first state shown in Fig. 1 is that liquid level rises to the highest liquid level line, the buoyancy of described first ball float, promotes described transmission rod and moves up with described first ball float, orders about described mains switch and changes on off state, and dotted line shown in figure is the highest liquid level line of design; The second state shown in Fig. 2 is that liquid level drops to minimum liquid level line, the gravity of described second ball float, pulls described transmission rod to move down with described second ball float, orders about described mains switch and changes on off state, and dotted line shown in figure is the minimum liquid level line of design; The third state shown in Fig. 3 is that liquid level line is between described first ball float and described second ball float, described first ball float is positioned on liquid level, described second ball float floats on liquid, and described transmission rod is not substantially by external force, and described mains switch maintains original on off state; Fig. 4 is the perspective view of described automatic control of liquid level mains switch, in order to display structure clearly, omits pool wall and liquid level line in figure.
Shown in Fig. 1-Fig. 4, the automatic control of liquid level mains switch that the present embodiment provides, comprises mains switch 1, first ball float 3 and the second ball float 4; Described first ball float 3 and described second ball float 4 are for being placed in liquid pool;
Described first ball float 3 (belongs to prior art by transmission rod 5 and the action bars of described mains switch 1, do not show in figure) connect, described first ball float 3 is connected with described second ball float 4, described second ball float 4 is positioned at the below of described first ball float 3, and the spacing of described first ball float 3 least significant end and described second ball float 4 least significant end is less than the degree of depth of the liquid of described liquid pool;
Described first ball float 3 can float on described liquid, and described second ball float 4 can suspend or float on described liquid;
When touching described first ball float 3 for rising to when liquid level and continue to rise, under the buoyancy of described first ball float 3, described transmission rod 5 moves up with described first ball float 3, orders about described mains switch 1 and changes on off state;
And for drop to when liquid level make described second ball float 4 expose liquid level and continue decline time, under the Action of Gravity Field of described second ball float 4, described transmission rod 5 moves down with described second ball float 4, orders about described mains switch 1 and again changes on off state.
Liquid pool described in the present embodiment can be water tank, fuel tank etc., also can be the large hydraulic engineering such as liquid storage pool, swimming pool, pond on a hill, reservoir, rivers water body, rivers gate dam of crawl, life cistern, all kinds of industrial and agricultural production.For the ease of understanding, the pool wall 2 shown in Fig. 1-Fig. 3 is the pool wall of described liquid pool.
Described first ball float 3 and described second ball float 4 are set in the present embodiment in liquid pool, when described second ball float 4 suspends or floats on the liquid of described liquid pool, when liquid level rises to and touches described first ball float 3 and continue to rise, suspension is in or floating state can not produce the active force of decline due to described second ball float 4, by the buoyancy of described first ball float 3, promote described transmission rod 5 to move up with described first ball float 3, thus order about described mains switch 1 and change on off state, namely mains switch 1 state changes into off-state by connected state, or mains switch 1 state changes into connected state by off-state, when liquid level drop to make described second ball float 4 expose liquid level and continue decline time, spacing due to described first ball float 3 least significant end and described second ball float 4 least significant end is less than the degree of depth of described liquid, by the gravity of described second ball float 4, described second ball float 4 has the movement tendency sinking down into liquid bottom, along with the continuous decrease of liquid level, described first ball float 3 and described transmission rod 5 is pulled to move down with described second ball float 4, thus order about described mains switch 1 and again change on off state, namely mains switch 1 state changes into connected state by off-state, or mains switch 1 state changes into off-state by connected state, by described first ball float 3 and be subject to the buoyancy of liquid, described second ball float 4 and gravity thereof, the mechanical action mating reaction of two ball floats is adopted to change the on off state of mains switch 1, do not need to arrange the components such as electromagnetism ring, therefore structure is simple, and be not subject to outside electromagnetic interference, require lower to circuit and environment for use.Described automatic control of liquid level mains switch can exempt the trouble of manual control circuit completely, saves manpower; Also manual operation can be avoided completely not bring the waste of hydroelectric resources on time, or even major break down; Because it can ensure, when liquid arrives the highest liquid level or minimum liquid level, to change switching-on and switching-off state in time, and then starts in time or disable motor, avoid the mechanical damage that frequent switching on and shutting down cause to greatest extent.Described automatic control of liquid level power switch structure is simple, and selection is easy, cheap, safety and environmental protection, and reliable in function is of many uses, durable in use.
Specifically, when liquid level rises to the highest liquid level line of design, the buoyancy of described first ball float offsets the gravity of described transmission rod, and drive described transmission rod to be upwards subjected to displacement, this displacement drives the action bars of described mains switch just, makes described mains switch change on off state, now, described second ball float suspends or floats on described liquid, does not produce described first ball float or does not substantially produce active force; When liquid level drops to the minimum liquid level line of design, the gravity of described second ball float, described transmission rod is driven to be subjected to displacement downwards, this displacement drives the action bars of described mains switch just, described mains switch is made again to change on off state, now, described first ball float is arranged in air, and its gravity is ignored; The highest described liquid level line is between the most significant end and least significant end of described first ball float, and described minimum liquid level line is between the most significant end and least significant end of described second ball float.
In one scheme of the present embodiment, described automatic control of liquid level mains switch also comprises connecting rod 6; Described connecting rod 6 one end and described transmission rod 5 hinged, the other end is connected with the action bars of described mains switch 1.Be convenient to described transmission rod 5 and connect described mains switch 1 by described connecting rod 6, be convenient to described transmission rod 5 and order about described mains switch 1 and change on off state; Expand the range of application of described automatic control of liquid level mains switch, preferably, be applied to the great water bodies such as dam and reservoir.
The material of described connecting rod can be the plastics such as PE, PP, PVC, also can be the metals such as stainless steel, iron, aluminium, or other materials; Preferably, the material of described connecting rod is PVC.
In the present embodiment preferably, the axial line of described transmission rod 5 perpendicular to or approximately perpendicular to described horizontal line, described connecting rod 6 is arranged in angle with described transmission rod 5; Specifically, the buoyancy of described first ball float 3, when driving described transmission rod 5 to move up with described first ball float 3, described connecting rod 6 is arranged in acute angle with described transmission rod 5, as shown in Figure 1; The gravity of described second ball float 4, when driving described transmission rod 5 to move down with described second ball float 4, described connecting rod 6 is arranged in obtuse angle with described transmission rod 5, as shown in Figure 2.
In one possibility of the present embodiment, described automatic control of liquid level mains switch also comprises fixed support 7, and described fixed support 7 is fixed relative to described mains switch 1 position;
Described fixed support 7 is provided with fixing hole 71 perpendicular to the plane of described transmission rod 5, and described transmission rod 5 is through described fixing hole 71.So that liquid level rises, described first ball float 3, under the effect of its buoyancy, orders about described transmission rod 5, in described fixing hole 71, make upward vertical movement, makes described mains switch 1 control more to stablize.
Described support bracket fastened material can be the plastics such as PE, PP, PVC, also can be the metals such as stainless steel, iron, aluminium, or other materials; Preferably, described support bracket fastened material is PVC.
The highest described liquid level line is positioned at below described fixed support; Described fixed support can be fixed on the upper end of described liquid pool, also can be fixed on the pool wall of described liquid pool, and can also to be fixed on the column in described liquid pool etc., preferably, described fixed support is fixed on the upper end of described liquid pool.
Described mains switch can be fixed on the upper end of described liquid pool, also can be fixed on the pool wall of described liquid pool, can also to be fixed on the column in described liquid pool etc.; Preferably, as Figure 1-Figure 4, described mains switch 1 is fixedly connected with described fixed support 7.
Shown in Fig. 1-Fig. 4, in the another possibility of the present embodiment, described first ball float 3 is connected with described second ball float 4 by flexible cord 8.Described flexible cord 8 is flexible because of it, is more convenient to described second ball float 4 and suspends or float on liquid, avoids described second ball float 4 of stationarity impact because of stiff rod suspend or float on liquid; Described flexible cord 8 according to the depth adjustment length of described liquid, also can regulate length according to the discrepancy in elevation that is the highest, minimum liquid level line of design; Described flexible cord 8 connects described first ball float 3 and described second ball float 4, and structure is simple, economical; The material of described flexible cord can be Buddhist nun's human relations, also can be the other materials such as cotton thread, rubber; Preferably, described flexible cord is Buddhist nun's human relations materials.
Because described mains switch is by the buoyancy of described first ball float and the gravity of described second ball float in the present embodiment, changing its on off state, by regulating the described flexible cord connecting described first ball float and described second ball float, carrying out the liquid level of suitable solution different depth; Therefore described mains switch changes its on off state, not by the impact of described liquid depth, avoid existing float type level switch, because liquid level is darker, as the cistern of dam, and affect wire transfer tongue tube closure signal, therefore described automatic control of liquid level mains switch range of application is wider, and stability is higher.
The mains switch of automatic control of liquid level described in the present embodiment also comprises protection cylinder (belong to prior art, do not show in figure), and described first ball float and described second ball float are positioned at described protection cylinder, and can move up and down in described protection cylinder.Be convenient to described automatic control of liquid level mains switch and be applied to the large hydraulic engineerings such as rivers gate dam, reduce the impact of the barrier such as current water, rubbish on described first ball float and described second ball float, increase the accuracy that described automatic control of liquid level mains switch controls.
Specifically, the side of described protection cylinder can free in and out described liquid, and described protection cylinder is positioned at below described fixed support, is connected with described fixed support.
The shape of the first ball float described in the present embodiment, described second ball float can be identical or different; The shape of described first ball float, described second ball float can be spherical, also can be cylindrical, Rotary-table and other polyhedrons.Shape, the size of described first ball float, described second ball float are selected according to following factor, include but not limited to: change the power of described mains switch, described liquid and the degree of depth etc. thereof.
Described in the present embodiment, the material of the first ball float, described second ball float can be identical, also can be different; The material of described first ball float, described second ball float can be plastics, stainless steel, rubber etc.
First ball float described in the present embodiment can be solid construction, also can be hollow-core construction, but described first ball float floats on described liquid; Described second ball float can be solid construction, also can be hollow-core construction, but described second ball float suspends or floats on described liquid.
In one possibility of the present embodiment, the structure of described first ball float can be hollow-core construction, and the structure of described second ball float can be hollow-core construction; Filler can be filled in described first ball float, described second ball float, also can the filler such as some or all of filling air, water, sand, copper, iron, make the density of described first ball float be less than the density of described liquid, the density of described second ball float is not more than the density of described liquid.
Preferably, described first ball float is hollow-core construction, inner filling air; Described second ball float is hollow-core construction, the described liquid of inner filling.That is, described second ball float suspends or floats in water, and inside stuffing is water.
In the another possibility of the present embodiment, described first ball float can be solid construction, and described second ball float can be solid construction; Specifically, described first ball float can be solid construction, and the density of described first ball float is less than the density of described liquid; Described second ball float can be solid construction, and the density of described second ball float is not more than the density of described liquid.Preferably, the density of described second ball float is slightly less than the density of described liquid, so as liquid level rise to touch described first ball float and continue rise time, described second ball float is in floating state, can not affect described first ball float rise.
In order to protect described mains switch better, preventing described mains switch to be subject to the corrosion of the liquid such as water, extending the useful life of described mains switch, described mains switch is provided with waterproof outer cover (belong to prior art, do not show in figure).
In order to better understand the present embodiment, below illustrate the course of work of described automatic control of liquid level mains switch:
When described liquid pool is pond, described automatic control of liquid level mains switch connects and controls electric pump; When described electric pump draws water from described liquid pool, work as liquid level, also be water level, drop to the default minimum rate of accumulation, the gravity of described second ball float, described transmission rod is pulled to move down, and then order about described mains switch change on off state, namely change into connected state by off-state, or change into off-state by connected state, thus control described electric pump and stop pumping, prevent electric pump from burning out because sky takes out;
During to described liquid pool retaining, when liquid level rises to default ceiling for accumulation, the buoyancy of described first ball float, promote described transmission rod to move up, and then order about described mains switch change on off state, namely change into off-state by connected state, or change into connected state by off-state, thus control appliance stops to described liquid pool retaining, prevents liquid pool water level too high.
In like manner, be also applicable to the gate be connected with described mains switch, described mains switch is for controlling the keying of described gate.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. an automatic control of liquid level mains switch, is characterized in that, comprises mains switch, the first ball float and the second ball float; Described first ball float and described second ball float are used for being placed in liquid pool;
Described first ball float is connected by the action bars of transmission rod with described mains switch, described first ball float is connected with described second ball float, described second ball float is positioned at the below of described first ball float, and the spacing of described first ball float least significant end and described second ball float least significant end is less than the degree of depth of the liquid of described liquid pool;
Described first ball float can float on described liquid, and described second ball float can suspend or float on described liquid;
When described transmission rod touches described first ball float for rising to when liquid level and continues to rise, under the buoyancy of described first ball float, move up with described first ball float, order about described mains switch and change on off state;
And described transmission rod be used for when liquid level drop to make described second ball float expose liquid level and continue decline time, under the Action of Gravity Field of described second ball float, move down with described second ball float, order about described mains switch and again change on off state.
2. automatic control of liquid level mains switch according to claim 1, is characterized in that, also comprise connecting rod; Described connecting rod one end and described transmission rod hinged, the other end is connected with the action bars of described mains switch.
3. automatic control of liquid level mains switch according to claim 2, is characterized in that, also comprise fixed support, and described fixed support is fixed relative to described mains switch position;
Described fixed support is provided with fixing hole perpendicular to the plane of described transmission rod, and described transmission rod is through described fixing hole.
4. automatic control of liquid level mains switch according to claim 3, is characterized in that, described mains switch is fixedly connected with described fixed support.
5. the automatic control of liquid level mains switch according to any one of claim 1-4, is characterized in that, described first ball float is connected with described second ball float by flexible cord.
6. automatic control of liquid level mains switch according to claim 5, is characterized in that, also comprise protection cylinder, and described first ball float and described second ball float are positioned at described protection cylinder, and can move up and down in described protection cylinder.
7. automatic control of liquid level mains switch according to claim 5, is characterized in that, described first ball float is hollow-core construction; Described second ball float is hollow-core construction, is filled with filler in described second ball float.
8. automatic control of liquid level mains switch according to claim 7, is characterized in that, the filler of described second ball float is described liquid.
9. automatic control of liquid level mains switch according to claim 5, is characterized in that, described first ball float is solid construction, and the density of described first ball float is less than the density of described liquid; Described second ball float is solid construction, and the density of described second ball float is not more than the density of described liquid.
10. automatic control of liquid level mains switch according to claim 1, is characterized in that, described mains switch is provided with waterproof outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377628.3U CN204946801U (en) | 2015-06-03 | 2015-06-03 | Automatic control of liquid level mains switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377628.3U CN204946801U (en) | 2015-06-03 | 2015-06-03 | Automatic control of liquid level mains switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204946801U true CN204946801U (en) | 2016-01-06 |
Family
ID=55014203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520377628.3U Expired - Fee Related CN204946801U (en) | 2015-06-03 | 2015-06-03 | Automatic control of liquid level mains switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204946801U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647181A (en) * | 2019-11-18 | 2020-01-03 | 广东海洋大学 | Liquid level control device |
| CN111128596A (en) * | 2020-02-14 | 2020-05-08 | 怡灏环境技术有限公司 | Buoyancy control switch |
-
2015
- 2015-06-03 CN CN201520377628.3U patent/CN204946801U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110647181A (en) * | 2019-11-18 | 2020-01-03 | 广东海洋大学 | Liquid level control device |
| CN111128596A (en) * | 2020-02-14 | 2020-05-08 | 怡灏环境技术有限公司 | Buoyancy control switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202645917U (en) | Floatation-type water pump | |
| CN204946801U (en) | Automatic control of liquid level mains switch | |
| CN204439174U (en) | A kind of floating ball type liquid level sensor of good water-proof effect | |
| CN205103674U (en) | Two spacing liquid level controlling means of floater formula | |
| CN211083030U (en) | Float valve | |
| CN206134594U (en) | Level gauge device with limit switch function | |
| CN209103161U (en) | A kind of water-level control apparatus with automatic drainage function | |
| CN204595625U (en) | A kind of automatic water-replenishing device for wet-type relief valve | |
| CN203456377U (en) | Dehumidifier | |
| CN108427441A (en) | A kind of mechanical float ball fluid level control device | |
| CN204832975U (en) | Flotation pontoon liquid level controller | |
| CN205582817U (en) | Floater inductor | |
| CN210497426U (en) | Liquid level keeping and cleaning device | |
| CN206828078U (en) | A kind of coating defoaming device | |
| CN107830910A (en) | A kind of liquid level control switch for nonmagnetic box body | |
| CN206504775U (en) | A kind of novel liquid level sensor-based system | |
| CN209761864U (en) | Automatic butt joint type mounting rack for water outlet of water pump | |
| CN202792635U (en) | Solar water heater with overflowing-prevention device | |
| CN204439176U (en) | A kind of floating ball type liquid level sensor of long service life | |
| CN205013259U (en) | Latent pump control switch | |
| CN203081719U (en) | Intelligent-control submersible pump for mining | |
| CN216596026U (en) | Water level control device in container | |
| CN210371226U (en) | Automatic water replenishing bottom valve of centrifugal pump | |
| CN210182291U (en) | Float water level control switch | |
| CN204690932U (en) | Automatic sump-pit drainage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20170603 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |