CN201352531Y - Water-level automatic control switch and water storage tank comprising same - Google Patents

Water-level automatic control switch and water storage tank comprising same Download PDF

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Publication number
CN201352531Y
CN201352531Y CNU2008202236536U CN200820223653U CN201352531Y CN 201352531 Y CN201352531 Y CN 201352531Y CN U2008202236536 U CNU2008202236536 U CN U2008202236536U CN 200820223653 U CN200820223653 U CN 200820223653U CN 201352531 Y CN201352531 Y CN 201352531Y
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China
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contact body
movable contact
water
automatic control
float
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Expired - Fee Related
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CNU2008202236536U
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Chinese (zh)
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陈天仁
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Individual
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Individual
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Abstract

The utility model provides a water-level automatic control switch, which comprises a casing, an upper static contact, a lower static contact, a movable contact, a float and a pull wire, wherein the upper static contact and the lower static contact are fixedly arranged in the casing, the movable contact is movably arranged between the two static contacts, the movable contact and the two static contacts are absorbed mutually, and the float and the pull wire are located on a water surface. The lower end of the pull wire is connected with the float, an ejector rod is further disposed, the upper end of the ejector rod is fixedly connected with the movable contact, and the lower end of the ejector rod movably penetrates through the static contact below the movable contact to be connected with the upper end of the pull wire. The ejector rod is additionally arranged between the pull wire and the movable contact, and then a reasonable time interval is formed between switching on and switching off of the switch, thereby reducing sensitivity of the switch and guaranteeing operation of the switch and a water pump to be stable. Simultaneously, the utility model further provides a water storage tank comprising the water-level automatic control switch, which is particularly suitable for using in rural areas.

Description

A kind of water level automatic control switch and a kind of storage tank that comprises this element
Technical field
The utility model relates to a kind of water level automatic control switch, and a kind of storage tank that comprises this water level automatic control switch.
Background technology
At present, the place of running water pipe is not installed in the rural area, people are usually on the roof or build water storage storehouse or storage tank within doors, and it is for household use to water storage storehouse or the storage tank to use water pump to draw water from outdoor water source, in water storage storehouse or storage tank, usually need to use water level automatic control switch to keep water level, common level control switch for water all is to adopt the water float to disconnect with the decline of water level and the connected sum of controlling the water pump circuit that draws water that rises, as China's patent No.: 200610097484.1 a kind of utility models of being announced, adopted a kind of water level automatic control switch of such principle exactly, its structure comprises housing, be fixedly set in the two stationary contact bodies up and down in the housing, the movable contact body that is movably set between two stationary contact bodies and can attracts each other with it, be positioned at the float and the backguy of the water surface, being provided with magnetic material on wherein said stationary contact body and the movable contact body can attract each other it, the backguy upper end links to each other with the movable contact body, the backguy lower end is passed the stationary contact body that is positioned at movable contact body below versatilely and is linked to each other with float, during use movable contact body and the stationary contact body that is arranged in movable contact body below are inserted the circuit loop at the water pump place of drawing water, when backguy is not stretching top stationary contact body to the suction of movable contact body be set to greater than the suction of below stationary contact body and with the adhesive of movable contact body in the top, the water pump circuit is an off-state, when in reservoir or the water tank during decline of water table, float falls to making backguy stretching, the movable contact body is subjected to the pulling force of below stationary contact body suction and float, decline gradually along with water level, float surfaces gradually and makes the pulling force of float increase gradually, when below stationary contact body suction and float pulling force sum during greater than top stationary contact body suction, the movable contact body is left behind and below stationary contact body adhesive, the water pump circuit is connected, pump working also draws water to reservoir or water tank water level is risen, along with water level rising float is flooded gradually, make backguy reduce gradually to the pulling force of movable contact body, when float pulling force and below stationary contact body suction during less than top stationary contact body suction, the movable contact body is pulled on and top stationary contact body adhesive, the water pump circuit disconnects, so circulation, can make the water level in reservoir or the water tank remain in certain scope, thereby reach the purpose of automatic control water level, but the switch sensitivity of this structural design is too high, know from above-mentioned switch work principle and process, the size variation that the connected sum of its switch only disconnects with the backguy pulling force is closely related, and moving up and down of movable contact body self can change the size of backguy pulling force, so, cause the movable contact body constantly beating back and forth between two stationary contact bodies up and down easily, so not only can shorten the life-span of switch self, the water pump that draws water simultaneously is in the labile state of opening and closing constantly, also causes damage easily.
The utility model content
Thereby technical problem to be solved in the utility model is to provide a kind of sensitivity the low switch and the more stable water level automatic control switch of pump working that draws water of making in order to overcome above-mentioned the deficiencies in the prior art; A kind of storage tank that includes this element also is provided simultaneously, domestic water can be provided easily.
For solving the problems of the technologies described above, the inventor has adopted following technical scheme:
A kind of water level automatic control switch, comprise housing, be fixedly set in the two stationary contact bodies up and down in the housing, movable contact body, the float that is positioned at the water surface and the backguy that is movably set between two stationary contact bodies and can attracts each other with it, the backguy lower end links to each other with float, its characteristics are also to be provided with push rod, push rod upper end is fixedly connected on the movable contact body, and the push rod lower end is passed the stationary contact body that is positioned at movable contact body below versatilely and linked to each other with the backguy upper end.Wherein distance between stationary contact body and the movable contact body and attraction size reasonable are provided with, make when the movable contact body is in below stationary contact body attracting state, greater than the suction of top stationary contact body to the movable contact body, this difference is at least less than the whole not suffered buoyancy value when the water surface of float simultaneously to the suction of movable contact body for below stationary contact body; Make simultaneously that when the movable contact body is in top stationary contact body attracting state top stationary contact body is to the suction of the movable contact body suction greater than below stationary contact body, while suffered gravity value when this difference surfaces less than float integral body at least.When it uses switch is mounted on required reservoir or tank inner wall, movable contact body and the stationary contact body that is positioned at its below are inserted the water pump place circuit loop that draws water, float floats on the water surface of switch below, like this, along with the backguy above the decline float of water level is stretching gradually, along with float surfaces gradually, the movable contact body is also increased by downward pulling force gradually, when float surfaces to set point, the movable contact body is subjected to downward pulling force and suction sum greater than the suffered suction that makes progress, this moment the movable contact body left behind and with below stationary contact body adhesive, the water pump circuit is connected, water pump is started working and is drawn water to reservoir or water tank, rise gradually along with water level in reservoir or the water tank, float also moves upward, it is curved that backguy becomes, when moving to push rod, float blocked and stop motion by the push rod lower end, water level then goes up, float is flooded gradually and is formed upwards buoyancy, the buoyancy of float is passed to the movable contact body by push rod and is formed top power upwards, when float is flooded to set point, the movable contact body is subjected to downward suction less than suction that makes progress and top power sum, the movable contact body upwards picked up and with the stationary contact body adhesive of top, the water pump circuit disconnects, water pump quits work, and moves in circles like this, has realized the automatic control to water level.
As a kind of preferred version of the utility model movable contact body and stationary contact body, described movable contact body is made of the electric conducting material that contains magnet, and described stationary contact body is made of the iron electric conducting material.
As the another kind of preferred version of the utility model movable contact body and stationary contact body, described movable contact body is made of the iron electric conducting material, and described stationary contact body is made of the electric conducting material that contains magnet.Certainly, can also be that movable contact body and stationary contact body constitute by the electric conducting material that contains magnet.
As further improvement of the utility model, the strip column that its described housing is a hollow, described float, backguy and push rod all are positioned at housing.Can guarantee float does not depart from push rod when come-up position so better.
The utility model also provides a kind of storage tank, comprises casing, water inlet, depotition cock, and its characteristics are that it also includes the water level automatic control switch of said structure, and water level automatic control switch is fixedly set in cabinet wall.Only need during use water inlet and the water pump that is positioned at the water source are connected, water level automatic control switch is inserted the water pump control circuit, can form automatic water supply system, be particularly suitable for rural households and use.
The beneficial effects of the utility model are:
Than prior art, the utility model has been set up push rod between backguy and movable contact body, suction size between movable contact body and the stationary contact body rationally is set simultaneously, from the utility model course of work and principle as can be known, the movable contact body need be subjected to could up being picked up after the power of push rod top, needing to be subjected to float after up being picked up could down be held behind lower pulling force, formed the rational time interval between the switching on and off of switch like this, the size in this time interval can be by the length control of backguy, so just reduced the sensitivity of switch, make switch can between logical and disconnected, not beat fast, guaranteed the stable of the switch and the pump working that draws water.
Description of drawings
Fig. 1 is water level automatic control switch movable contact body of the present utility model and below stationary contact body adhesive, and the structural representation of backguy when being stretching state, and water level was a lowest water level when switch was this state;
Fig. 2 is water level automatic control switch movable contact body of the present utility model and below stationary contact body adhesive, and the structural representation of float when just offseting with push rod, and water level was a mid water levels when switch was this state;
Structural representation when Fig. 3 is water level automatic control switch movable contact body of the present utility model and top stationary contact body adhesive, water level was a peak level when switch was this state;
Fig. 4 is the storage tank structure schematic diagram of band water level automatic control switch in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
Embodiment 1: water level automatic control switch
By Fig. 1-shown in Figure 3, this water level automatic control switch comprises housing 1, be fixedly set in the two stationary contact bodies 2 up and down in the housing 1,3, be movably set in two stationary contact bodies 2, the movable contact body 4 that also can attract each other between 3 with it, be positioned at the float 5 and the backguy 6 of the water surface, backguy 6 lower ends link to each other with float 5, wherein also be provided with push rod 7, push rod 7 upper ends are fixedly connected on movable contact body 4, push rod 7 lower ends are passed the stationary contact body 3 that is positioned at movable contact body 4 belows versatilely and are linked to each other with backguy 6 upper ends, wherein said movable contact body 4 is made of the electric conducting material that contains magnet, stationary contact body 2,3 are made of the iron electric conducting material, described housing 1 is the strip column of hollow, described float 5, backguy 6 and push rod 7 all are positioned at housing 1.Wherein distance between stationary contact body 2,3 and the movable contact body 4 and attraction size reasonable are provided with, make when movable contact body 4 is in below stationary contact body 3 attracting states, the suction of below stationary contact body 3 pairs of movable contact bodies 4 is greater than the suction of 2 pairs of movable contact bodies 4 of top stationary contact body, and this difference is at least less than the whole not suffered buoyancy value when the water surface of float 5 simultaneously; Make simultaneously that when movable contact body 4 is in top stationary contact body 2 attracting states the suction of 2 pairs of movable contact bodies 4 of top stationary contact body is greater than the suction of below stationary contact body 3, while suffered gravity value when this difference surfaces less than float 5 integral body at least.When it uses switch is fixedly installed in required reservoir or tank inner wall, movable contact body 4 and the stationary contact body 3 that is positioned at its below are inserted the water pump place circuit loop that draws water, float 5 is bubbled through the water column, like this, along with the backguy 6 of decline float 5 tops of water level is stretching gradually, along with float 5 surfaces gradually, movable contact body 4 is also increased by downward pulling force gradually, when float 5 surfaces to set point, movable contact body 4 is subjected to downward pulling force and suction sum greater than the suffered suction that makes progress, this moment movable contact body 4 left behind and with below stationary contact body 3 adhesives, its state is as shown in Figure 1, this moment, the water pump circuit was connected automatically, and water pump is started working and drawn water to reservoir or water tank; Along with the rise gradually of water level in reservoir or the water tank, float 5 also moves upward, and backguy 6 becomes curved, is blocked and stop motion by push rod 7 lower ends when float 5 moves to push rod 7, and on off state as shown in Figure 2 at this moment; Water level then goes up then, float 5 is flooded gradually and is formed upwards buoyancy, the buoyancy of float 5 is passed to movable contact body 4 by push rod 7 and is formed top power upwards, and when float 5 was flooded to set point, movable contact body 4 was subjected to downward suction less than suction that makes progress and top power sum, movable contact body 4 upwards picked up and with stationary contact body 2 adhesives of top, this moment on off state as shown in Figure 3, this moment, the water pump circuit disconnected, water pump quits work, move in circles like this, realized automatic control water level.
Embodiment 2: water level automatic control switch
Movable contact body 4 in the water level automatic control switch of present embodiment is made of the iron electric conducting material, and described stationary contact body 2,3 is made of the electric conducting material that contains magnet, and other modular construction is identical with embodiment 1, and its course of work is also identical with embodiment one with principle.
Embodiment 3: storage tank
By shown in Figure 4, this storage tank comprises casing 11, water inlet 12, depotition cock 13, also includes the water level automatic control switch 14 of said structure, and water level automatic control switch 14 is fixedly set in casing 11 inwalls.Only need during use water inlet 12 and the pumping line that is positioned at the water source are connected, water level automatic control switch 14 is inserted the water pump control circuit, can form automatic water supply system, be particularly suitable for rural households and use.

Claims (5)

1, a kind of water level automatic control switch, comprise housing, be fixedly set in the two stationary contact bodies up and down in the housing, movable contact body, the float that is positioned at the water surface and the backguy that is movably set between two stationary contact bodies and can attracts each other with it, the backguy lower end links to each other with float, it is characterized in that also being provided with push rod, push rod upper end is fixedly connected on the movable contact body, and the push rod lower end is passed the stationary contact body that is positioned at movable contact body below versatilely and linked to each other with the backguy upper end.
2, water level automatic control switch as claimed in claim 1 is characterized in that described stationary contact body is made up of the iron electric conducting material, and described movable contact body is made of the electric conducting material that contains magnet.
3, water level automatic control switch as claimed in claim 1 is characterized in that described stationary contact body is made of the electric conducting material that contains magnet, and described movable contact body is made up of the iron electric conducting material.
4, as claim 1,2 or 3 described water level automatic control switch, it is characterized in that described housing is the strip column of hollow, described float, backguy and push rod all are positioned at housing.
5, a kind of storage tank comprises casing, water inlet, depotition cock, it is characterized in that, it also comprises one as each described water level automatic control switch among the claim 1-4, and described water level automatic control switch is fixedly set in cabinet wall.
CNU2008202236536U 2008-12-20 2008-12-20 Water-level automatic control switch and water storage tank comprising same Expired - Fee Related CN201352531Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202236536U CN201352531Y (en) 2008-12-20 2008-12-20 Water-level automatic control switch and water storage tank comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202236536U CN201352531Y (en) 2008-12-20 2008-12-20 Water-level automatic control switch and water storage tank comprising same

Publications (1)

Publication Number Publication Date
CN201352531Y true CN201352531Y (en) 2009-11-25

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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102758766A (en) * 2012-07-02 2012-10-31 江苏环力科技发展有限公司 Float switch
CN106441514A (en) * 2016-10-26 2017-02-22 海信(广东)空调有限公司 Water level monitoring device for dehumidifier and dehumidifier
CN111248074A (en) * 2020-04-03 2020-06-09 安徽省华腾农业科技有限公司 Agricultural is with irrigating retaining controlling means based on buoyancy control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102758766A (en) * 2012-07-02 2012-10-31 江苏环力科技发展有限公司 Float switch
CN106441514A (en) * 2016-10-26 2017-02-22 海信(广东)空调有限公司 Water level monitoring device for dehumidifier and dehumidifier
CN111248074A (en) * 2020-04-03 2020-06-09 安徽省华腾农业科技有限公司 Agricultural is with irrigating retaining controlling means based on buoyancy control

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091125

Termination date: 20111220