CN2614377Y - Power-saving water pump automatic switch - Google Patents
Power-saving water pump automatic switch Download PDFInfo
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- CN2614377Y CN2614377Y CN 03227379 CN03227379U CN2614377Y CN 2614377 Y CN2614377 Y CN 2614377Y CN 03227379 CN03227379 CN 03227379 CN 03227379 U CN03227379 U CN 03227379U CN 2614377 Y CN2614377 Y CN 2614377Y
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Abstract
A pump auto-switch of battery-saving type comprises a lever and two counterweight floating bottles cascaded by rope, and further comprises an electric switch constituted of an inner conductive contact base and an outer insulating contact base and a counterweight component hanging on the other end of the lever. The integral electric switch is arranged on a pedestal and the bottom of the inner conductive contact base is associated with that of the outer insulating contact base via a cutter contact. Two ends of a fulcrum shaft of the lever are supported on the insulating contact base via a bearing base. The inner conductive contact base and the fulcrum base are rigidly or flexibly connected. A dynamic and a static contact are respectively arranged in a proper position on the inner conductive contact base and the outer insulating contact base. When the inner conductive contact base oscillates around the cutter contact under driving of the lever, the dynamic contact of the inner conductive contact base can enclose and disconnect with the static contact on the outer insulating contact base so as to automatically control the on-and-off state of pump. The utility model has the advantages of simple structure, low cost and reliable operation, basically fault-free and saving power.
Description
Technical field
The utility model relates to a kind of water pump control technology field, particularly electricity-saving type water pump automatic switch.
Background technology
In vast samll cities and towns and rural area, because population size is little and sparsely populated, relying on and building waterworks and pipeline installation temporarily is unpractical to resident family's supply running water at present.Therefore these resident families solve the problem of drinking water basically by the well-digging groundwater abstraction.In order to realize that once the dream of turning on the tap water many resident families just build water tower or build tank on oneself roof, utilize water pump water to be extracted in water tower or the tank by the manual control switch, rely on pressure reduction to form running water.Now existing a kind of no tower water service pump, it can save the tower expense of building.But its shortcoming is also arranged, and itself is made complicated, and secondly the cost height is the water yield size that don't work, and water pump all will be opened running, and starting is frequent, and general water consumption is less than the last water yield of water pump, thus the waste power supply.So adopt many water tower or tanks still built at present, and adopt some automatic switches to replace the manual control switch water pump is controlled.For example publication number is the disclosed tank water level control of a CN2494030Y recloser, and it is to adopt simple and practical mechanism to be contained on the tank, the tank notes is intake to close down motor automatically when being scheduled to water surface site, stops into water.Automatically open motor and annotate the recloser of water inlet when the water of tank is output to predetermined water surface site, it comprises compositions such as mounting, pillar, electric switch, switch bracket, movable sleeve and mandrel, switch start pole, the floating bottle of counterweight assembly, cover cap, water level governor motion, electric water pump.Though this automatic switch can be opened electric water pump automatically according to the height of the water level in the tank, on its structure, it still is a more complicated, installs also cumbersome.
Summary of the invention
It is more simple that goal of the invention of the present utility model provides a kind of structure, moves more reliable electricity-saving type water pump automatic switch, to solve the weak point that existing water pump automatic switch exists.
Goal of the invention of the present utility model can realize by following technical measures: electricity-saving type water pump automatic switch, comprise a lever and two floating bottles of counterweight that are together in series with rope, the floating bottle of counterweight is suspended on an end of lever, be provided with a fulcrum block at the fulcrum place of lever, be installed with a fulcrum shaft in the fulcrum block, it is characterized in that also comprising an electric switch that constitutes by interior conductive contact seat, external insulation contact base and the weighted that is suspended on the lever other end; Whole electric switch is installed on the pedestal; Link by cutter-contact point between the bottom of the bottom of interior conductive contact seat and external insulation contact base; The fulcrum shaft two ends of described lever are by bearing block support outside on the insulation contact seat; Be connected between interior conductive contact seat and the fulcrum block; Interior conductive contact seat and outside appropriate location on the conductive contact seat be respectively arranged with moving contact and fixed contact.Under of the drive of interior conductive contact seat at lever when cutter-contact point is swung, the moving contact in it on conductive contact seat can with fixed contact closure on the external insulation contact base with separate.
Described dynamic and static contact can be one group, in being separately fixed on the inwall of the outer wall of conductive contact seat front side and external insulation contact base front side, in also can being separately fixed on the inwall of the outer wall of conductive contact seat rear side and external insulation contact base rear side.
Described dynamic and static contact can be two groups, in being separately fixed on the inwall of the outer wall of the forward and backward side of conductive contact seat and the forward and backward side of external insulation contact base.
Can also link by a flexible force transmission member between conductive contact seat and the fulcrum block in of the present utility model.Spring for example.
Weighted of the present utility model can be a balancing weight, also can be to be made of two blocks of different in nature magnet, and wherein one is fixed on the lever, and another piece is fixed on the pedestal and is corresponding with that piece magnet on the lever.
Goal of the invention of the present utility model can also realize by following further technical measures: be provided with two groups of retaining members that are made of two blocks of different in nature magnet between balance pivot seat and pedestal, wherein both sides respectively are provided with one group before and after the fulcrum shaft of lever.
The utility model can be installed on the limit of water tower or tank or well, the floating bottle of counterweight is put into water tower or tank or well, advancing of the live wire of water pump, outlet connects respectively on the fixed contact of cutter-contact point and external insulation contact base, according to the height of the water level in water tower or tank or the well, moving up and down of the floating bottle of counterweight, affect lever swing, moment loading by lever, the interior conductive contact seat that drives in the electric switch is swung in the insulation contact seat outside, moving contact in making on the conductive contact seat can with fixed contact closure on the external insulation contact base with separate, come the open and close of automatically controlled water pump.The utility model is compared with existing water level control recloser, have simple in structure, cost is low, reliable.Failure rate is low, the advantage of conservation of power.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 3;
Fig. 5 is the structural representation of the utility model embodiment 4;
Fig. 6 is the structural representation of the utility model embodiment 5;
Fig. 7 is the structural representation of the utility model embodiment 6;
Fig. 8 is the structural representation of the utility model embodiment 7;
Fig. 9 is the structural representation of the utility model embodiment 8;
Figure 10 is the structural representation of the utility model embodiment 9;
Figure 11 is the structural representation of the utility model embodiment 10;
Figure 12 is the structural representation of the utility model embodiment 11;
Figure 13 is the structural representation of the utility model embodiment 12.
Embodiment
Further describe the utility model below in conjunction with accompanying drawing.
Embodiment 1: electricity-saving type water pump automatic switch as depicted in figs. 1 and 2 comprises a lever 1 and two 3, one electric switch and weighted that are made of interior conductive contact seat 4, external insulation contact base 5 of the floating bottle of counterweight that are together in series with rope 2.Weighted is a balancing weight 6.Floating bottle 3 of counterweight and balancing weight 6 are suspended on the two ends of lever 1; Whole electric switch is installed on the pedestal 7; Link to each other by cutter-contact point 8 between the bottom of the bottom of interior conductive contact seat 4 and external insulation contact base 5; Be provided with a fulcrum block 9 at the fulcrum place of lever 1, be installed with a fulcrum shaft 10 in the fulcrum block 9, fulcrum shaft 10 two ends of lever 1 are bearing on the external insulation contact base 5 by bearing pedestal 11; Be rigidly connected between interior conductive contact seat 4 and the fulcrum block 9; On the inwall of the outer wall of interior conductive contact seat 4 front sides and external insulation contact base 5 front sides, be fixed with moving contact 12 and fixed contact 13 respectively.
The weight of the balancing weight 6 of present embodiment equals the weight of the floating bottle 3 of a counterweight.
The inlet wire of the live wire of present embodiment water pump connects cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the inwall of external insulation contact base front side.
The present embodiment operation principle is: present embodiment is installed on the limit of water tower or tank, the floating bottle 3 of counterweight is put into water tower or tank, when water tower or tank discharge water, when decline of water table arrives the precalculated position, because the weight of two floating bottles 3 of counterweight is greater than the weight of balancing weight 6, they can be toward tenesmus under the situation of loss of buoyance, the floating bottle 3 of the counterweight of tenesmus drives the front end of lever 1 to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also turns forward around cutter-contact point 8 thereupon, moving contact 12 on its front side outer wall contacts with fixed contact 13 on the external insulation contact base 6 front side inwalls, connect pump power, water enters water tower or tank.When water level increases to the precalculated position, the floating bottle 3 of two counterweights is subjected to buoyancy function to make the weight of its weight less than balancing weight 6, balancing weight 6 tenesmus, the balancing weight 6 of tenesmus drives the rear end of lever 1 to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also recedes around cutter-contact point 8 thereupon, moving contact 12 and the fixed contact on the external insulation contact base 6 front side inwalls 13 on its front side outer wall are broken away from, disconnect pump power, stop into water, then reciprocal, the automatic switch of realization water pump.
Embodiment 2: electricity-saving type water pump automatic switch as shown in Figure 3, it is fixed with moving contact 12 and fixed contact 13 respectively on the inwall of the outer wall of interior conductive contact seat 4 rear sides and external insulation contact base 5 rear sides.The inlet wire of the live wire of present embodiment water pump connects cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the external insulation contact base rear side inwall.All the other are with embodiment 1.
The present embodiment operation principle is: present embodiment is installed on the limit of well, the floating bottle 3 of counterweight is put into well, before drawing water, when the water level in the well is in certain high water level, the floating bottle 3 of two counterweights is subjected to buoyancy function to make the weight of its weight less than balancing weight 6, balancing weight 6 tenesmus, the balancing weight 6 of tenesmus drives the rear end of lever 1 to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also recedes around cutter-contact point 8 thereupon, moving contact 12 on its rear side outer wall is contacted with fixed contact 13 on the external insulation contact base 6 rear side inwalls, connect pump power, draw water.When the decline of water table in the well arrives the precalculated position; because the weight of two floating bottles 3 of counterweight is greater than the weight of balancing weight 6; they can be toward tenesmus under the situation of loss of buoyance; the floating bottle 3 of the counterweight of tenesmus drives the front end of lever 1 to lower swing; under the moment loading of lever 1; the interior conductive contact seat 5 that links to each other with fulcrum block 9 also turns forward around cutter-contact point 8 thereupon; moving contact 12 and the fixed contact on the external insulation contact base 6 rear side inwalls 13 on its rear side outer wall break away from; disconnect pump power; stop pumping, do not burnt out with the protection water pump.So then, reciprocal, the automatic switch of realization water pump.
Embodiment 3: electricity-saving type water pump automatic switch as shown in Figure 4, it is fixed with two groups of moving contacts 12 and fixed contact 13 respectively on the inwall of the outer wall of interior conductive contact seat 4 forward and backward sides and external insulation contact base 5 forward and backward sides.All the other are with embodiment 1.
When the water level in present embodiment utilizes water tower or tank was controlled the automatic switch of water pump, the inlet wire of the live wire of water pump connect cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the inwall of external insulation contact base front side.Operation principle is with embodiment 1.
When the water level in present embodiment utilizes well was controlled the automatic switch of water pump, the inlet wire of the live wire of water pump connect cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the external insulation contact base rear side inwall.Operation principle is with embodiment 2.
Embodiment 4: electricity-saving type water pump automatic switch as shown in Figure 5, weighted is to be made of two blocks of different in nature magnet 14,15, wherein magnet 14 is fixed on that end that lever 1 does not hang the floating bottle 3 of counterweight, and another piece magnet 15 is fixed on the pedestal 7 and is corresponding with that piece magnet 14 on the lever 1.All the other are with embodiment 1.
Greatest attraction forces between two blocks of magnet 14,15 of present embodiment should greater than the gravity of the floating bottle 3 of a counterweight, minimum attraction be less than the gravity of the floating bottle 3 of a counterweight less than closing of the floating bottle 3 of two counterweights is heavy.
The water pump mode of connection of present embodiment is with embodiment 1.
The present embodiment operation principle is: present embodiment is installed on the limit of water tower or tank, the floating bottle 3 of counterweight is put into water tower or tank, when water tower or tank discharge water, when decline of water table arrives the precalculated position, because the gravity of two floating bottles 3 of counterweight is greater than two blocks of magnet 14, greatest attraction forces between 15, they can be toward tenesmus under the situation of loss of buoyance, the floating bottle 3 of the counterweight of tenesmus drives the front end of lever 1 to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also turns forward around cutter-contact point 8 thereupon, moving contact 12 on its front side outer wall contacts with fixed contact 13 on the external insulation contact base 6 front side inwalls, connect pump power, water enters water tower or tank.When water level increases to the precalculated position, two floating bottles 3 of counterweight are subjected to buoyancy function to make its gravity less than the minimum attraction between two blocks of magnet 14,15, under the attraction force acts of two blocks of magnet 14,15, the rear end of lever 1 is to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also recedes around cutter-contact point 8 thereupon, moving contact 12 and the fixed contact on the external insulation contact base 6 front side inwalls 13 on its front side outer wall are broken away from, disconnect pump power, stop into water, then reciprocal, the automatic switch of realization water pump.
Embodiment 5: electricity-saving type water pump automatic switch as shown in Figure 6, weighted is to be made of two blocks of different in nature magnet 14,15, wherein magnet 14 is fixed on that end that lever 1 does not hang the floating bottle 3 of counterweight, and another piece magnet 15 is fixed on the pedestal 7 and is corresponding with that piece magnet 14 on the lever 1.All the other are with embodiment 2.
Greatest attraction forces between two blocks of magnet 14,15 of present embodiment should greater than the gravity of the floating bottle 3 of a counterweight, minimum attraction be less than the gravity of the floating bottle 3 of a counterweight less than closing of the floating bottle 3 of two counterweights is heavy.
The water pump mode of connection of present embodiment is with embodiment 2.
The present embodiment operation principle is: present embodiment is installed on the limit of well, the floating bottle 3 of counterweight is put into well, before drawing water, when the water level in the well is in certain high water level, two floating bottles 3 of counterweight are subjected to buoyancy function to make its gravity less than two blocks of magnet 14, greatest attraction forces between 15, at two blocks of magnet 14, under 15 the attraction force acts, the rear end of lever 1 is to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also recedes around cutter-contact point 8 thereupon, moving contact 12 on its rear side outer wall is contacted with fixed contact 13 on the external insulation contact base 6 rear side inwalls, connect pump power, draw water.When the decline of water table in the well arrives the precalculated position; because the weight of two floating bottles 3 of counterweight is greater than the greatest attraction forces between two blocks of magnet 14,15; they can be toward tenesmus under the situation of loss of buoyance; the floating bottle 3 of the counterweight of tenesmus drives the front end of lever 1 to lower swing; under the moment loading of lever 1; the interior conductive contact seat 5 that links to each other with fulcrum block 9 also turns forward around cutter-contact point 8 thereupon; moving contact 12 and the fixed contact on the external insulation contact base 6 rear side inwalls 13 on its rear side outer wall break away from; disconnect pump power; stop pumping, do not burnt out with the protection water pump.So then, reciprocal, the automatic switch of realization water pump.
Embodiment 6: electricity-saving type water pump automatic switch as shown in Figure 7, weighted is to be made of two blocks of different in nature magnet 14,15, wherein magnet 14 is fixed on that end that lever 1 does not hang the floating bottle 3 of counterweight, and another piece magnet 15 is fixed on the pedestal 7 and is corresponding with that piece magnet 14 on the lever 1.All the other are with embodiment 3.
Greatest attraction forces between two blocks of magnet 14,15 of present embodiment should greater than the gravity of the floating bottle 3 of a counterweight, minimum attraction be less than the gravity of the floating bottle 3 of a counterweight less than closing of the floating bottle 3 of two counterweights is heavy.
When the water level in present embodiment utilizes water tower or tank was controlled the automatic switch of water pump, the inlet wire of the live wire of water pump connect cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the inwall of external insulation contact base front side.Operation principle is with embodiment 4.
When the water level in present embodiment utilizes well was controlled the automatic switch of water pump, the live wire of water pump connect cutter-contact point 8, and zero line connects the fixed contact 13 on the external insulation contact base rear side inwall.Operation principle is with embodiment 5.
Embodiment 7: electricity-saving type water pump automatic switch as shown in Figure 8, link by a flexible force transmission member between interior conductive contact seat 4 and the fulcrum block 9, and for example spring 16.All the other are with embodiment 1.
The water pump mode of connection of present embodiment is with embodiment 1.
The present embodiment operation principle is: present embodiment is installed on the limit of water tower or tank, the floating bottle 3 of counterweight is put into water tower or tank, when water tower or tank discharge water, when decline of water table arrives the precalculated position, because the weight of two floating bottles 3 of counterweight is greater than the weight of balancing weight 6, they can be toward tenesmus under the situation of loss of buoyance, the floating bottle 3 of the counterweight of tenesmus drives the front end of lever 1 to lower swing, under the moment loading of lever 1, promotion by spring 16, interior conductive contact seat 5 also turns forward around cutter-contact point 8 thereupon, moving contact 12 on its front side outer wall contacts with fixed contact 13 on the external insulation contact base 6 front side inwalls, and along with spring 16 swing produced one to the different resistance in lever 1 two ends, make moving contact 12 and fixed contact 13 keep in touch, connect pump power, water enters water tower or tank.When water level increases to the precalculated position, the floating bottle 3 of two counterweights is subjected to buoyancy function to make the weight of its weight less than balancing weight 6, balancing weight 6 tenesmus, the balancing weight 6 of tenesmus drives the rear end of lever 1 to lower swing, under the moment loading of lever 1, promotion by spring 16, interior conductive contact seat 5 also recedes around cutter-contact point 8 thereupon, moving contact 12 and the fixed contact on the external insulation contact base 6 front side inwalls 13 on its front side outer wall are broken away from, disconnect pump power, stop into water, reciprocal then, the automatic switch of realization water pump.
Embodiment 8: electricity-saving type water pump automatic switch as shown in Figure 9, link by a flexible force transmission member between conductive contact seat 4 and the fulcrum block 9 in it, and for example spring 16.All the other are with embodiment 2.
The water pump mode of connection of present embodiment is with embodiment 2.
The present embodiment operation principle is: present embodiment is installed on the limit of well, the floating bottle 3 of counterweight is put into well, before drawing water, when the water level in the well is in certain high water level, the floating bottle 3 of two counterweights is subjected to buoyancy function to make the weight of its weight less than balancing weight 6, balancing weight 6 tenesmus, the balancing weight 6 of tenesmus drives the rear end of lever 1 to lower swing, under the moment loading of lever 1, promotion by spring 16, interior conductive contact seat 5 also recedes around cutter-contact point 8 thereupon, moving contact 12 on its rear side outer wall is contacted with fixed contact 13 on the external insulation contact base 6 rear side inwalls, and along with spring 16 swing produced one to the different resistance in lever 1 two ends, make moving contact 12 and fixed contact 13 keep in touch, connect pump power, draw water.When the decline of water table in the well arrives the precalculated position; because the weight of two floating bottles 3 of counterweight is greater than the weight of balancing weight 6; they can be toward tenesmus under the situation of loss of buoyance; the floating bottle 3 of the counterweight of tenesmus drives the front end of lever 1 to lower swing; under the moment loading of lever 1; promotion by spring 16; interior conductive contact seat 5 also turns forward around cutter-contact point 8 thereupon; moving contact 12 and the fixed contact on the external insulation contact base 6 rear side inwalls 13 on its rear side outer wall break away from; disconnect pump power; stop pumping, do not burnt out with the protection water pump.So then, reciprocal, the automatic switch of realization water pump.
Embodiment 9: electricity-saving type water pump automatic switch as shown in figure 10, link by a flexible force transmission member between conductive contact seat 4 and the fulcrum block 9 in it, and for example spring 16.All the other are with embodiment 3.
When the water level in present embodiment utilizes water tower or tank was controlled the automatic switch of water pump, the inlet wire of the live wire of water pump connect cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the inwall of external insulation contact base front side.Operation principle is with embodiment 7.
When the water level in present embodiment utilizes well was controlled the automatic switch of water pump, the inlet wire of the live wire of water pump connect cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the external insulation contact base rear side inwall.Operation principle is with embodiment 8.
Embodiment 10: electricity-saving type water pump automatic switch as shown in figure 11, it is provided with two groups of retaining members that are made of two blocks of different in nature magnet 17,18,19,20 between the fulcrum block 9 of lever 1 and pedestal 7, wherein respectively be provided with one group in the both sides, fulcrum shaft 10 front and back of lever 1.All the other are with embodiment 1.
The weight of the balancing weight 6 of present embodiment should equal the weight of the floating bottle 3 of a counterweight, and two groups of magnet 17,18 and 19,20 attraction are respectively less than the gravity of balancing weight 6.
The water pump mode of connection of present embodiment is with embodiment 1.
The present embodiment operation principle is: present embodiment is installed on the limit of water tower or tank, the floating bottle 3 of counterweight is put into water tower or tank, when water tower or tank discharge water, when decline of water table arrives the precalculated position, because the weight of two floating bottles 3 of counterweight is greater than weight and one group of magnet 19 of balancing weight 6,20 attraction sum, they can be toward tenesmus under the situation of loss of buoyance, the floating bottle 3 of the counterweight of tenesmus drives the front end of lever 1 to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also turns forward around cutter-contact point 8 thereupon, while that group magnet 17 of fulcrum shaft 10 front sides, 18 adhesives also keep, moving contact 12 on its front side outer wall contacts with fixed contact 13 on the external insulation contact base 6 front side inwalls, connect pump power, water enters water tower or tank.When water level increases to the precalculated position, the floating bottle 3 of two counterweights is subjected to buoyancy function to make its weight and magnet 17,18 attraction close weight less than balancing weight 6, balancing weight 6 tenesmus, the balancing weight 6 of tenesmus drives the rear end of lever 1 to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also recedes around cutter-contact point 8 thereupon, while that group magnet 19 of fulcrum shaft 10 rear sides, 20 adhesives also keep, moving contact 12 and the fixed contact on the external insulation contact base 6 front side inwalls 13 on its front side outer wall are broken away from, disconnect pump power, stop into water, reciprocal then, the automatic switch of realization water pump.
Embodiment 11: electricity-saving type water pump automatic switch as shown in figure 12, it is provided with two groups of retaining members that are made of two blocks of different in nature magnet 17,18,19,20 between the fulcrum block 9 of lever 1 and pedestal 7, wherein respectively be provided with one group in the both sides, fulcrum shaft 10 front and back of lever 1.All the other are with embodiment 2.
The weight of the balancing weight 6 of present embodiment should equal the weight of the floating bottle 3 of a counterweight, and two groups of magnet 17,18 and 19,20 attraction are respectively less than the gravity of balancing weight 6.
The water pump mode of connection of present embodiment is with embodiment 2.
The present embodiment operation principle is: present embodiment is installed on the limit of well, the floating bottle 3 of counterweight is put into well, before drawing water, when the water level in the well is in certain high water level, the floating bottle 3 of two counterweights is subjected to buoyancy function to make its weight and magnet 17,18 attraction close weight less than balancing weight 6, balancing weight 6 tenesmus, the balancing weight 6 of tenesmus drives the rear end of lever 1 to lower swing, under the moment loading of lever 1, the interior conductive contact seat 5 that links to each other with fulcrum block 9 also recedes around cutter-contact point 8 thereupon, while that group magnet 19 of fulcrum shaft 10 rear sides, 20 adhesives also keep, moving contact 12 on its rear side outer wall is contacted with fixed contact 13 on the external insulation contact base 6 rear side inwalls, connect pump power, draw water.When the decline of water table in the well arrives the precalculated position; because the weight of two floating bottles 3 of counterweight is greater than weight and one group of magnet 19 of balancing weight 6; 20 attraction sum; they can be toward tenesmus under the situation of loss of buoyance; the floating bottle 3 of the counterweight of tenesmus drives the front end of lever 1 to lower swing; under the moment loading of lever 1; the interior conductive contact seat 5 that links to each other with fulcrum block 9 also turns forward around cutter-contact point 8 thereupon; while that group magnet 17 of fulcrum shaft 10 front sides; 18 adhesives also keep; moving contact 12 and the fixed contact on the external insulation contact base 6 rear side inwalls 13 on its rear side outer wall break away from; disconnect pump power; stop pumping, do not burnt out with the protection water pump.So then, reciprocal, the automatic switch of realization water pump.
Embodiment 12: electricity-saving type water pump automatic switch as shown in figure 13, it is provided with two groups of retaining members that are made of two blocks of different in nature magnet 17,18,19,20 between the fulcrum block 9 of lever 1 and pedestal 7, wherein respectively be provided with one group in the both sides, fulcrum shaft 10 front and back of lever 1.All the other are with embodiment 3.
The weight of the balancing weight 6 of present embodiment should equal the weight of the floating bottle 3 of a counterweight, and two groups of magnet 17,18 and 19,20 attraction are respectively less than the gravity of balancing weight 6.
When the water level in present embodiment utilizes water tower or tank was controlled the automatic switch of water pump, the inlet wire of the live wire of water pump connect cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the inwall of external insulation contact base front side.Operation principle is with embodiment 10.
When the water level in present embodiment utilizes well was controlled the automatic switch of water pump, the inlet wire of the live wire of water pump connect cutter-contact point 8, and the outlet of live wire connects the fixed contact 13 on the external insulation contact base rear side inwall.Operation principle is with embodiment 11.
Claims (10)
1, electricity-saving type water pump automatic switch, comprise a lever (1) and two floating bottles of counterweight (3) that are together in series with rope (2), the floating bottle of counterweight (3) is suspended on an end of lever (1), be provided with a fulcrum block (9) at the fulcrum place of lever (1), be installed with a fulcrum shaft (10) in the fulcrum block (9), it is characterized in that also comprising one by interior conductive contact seat (4), the electric switch of external insulation contact base (5) formation and the weighted that is suspended on lever (1) other end; Whole electric switch is installed on the pedestal (7); Link by cutter-contact point (8) between the bottom of the bottom of interior conductive contact seat (4) and external insulation contact base (5); Fulcrum shaft (10) two ends of described lever (1) are bearing on the external insulation contact base (5) by bearing pedestal (11); Be connected between interior conductive contact seat (5) and the fulcrum block (9); Interior conductive contact seat (4) and outside appropriate location on the conductive contact seat (5) be respectively arranged with moving contact (12) and fixed contact (13).
2, electricity-saving type water pump automatic switch according to claim 1 is characterized in that described dynamic and static contact (12,13) is one group, in being separately fixed on the inwall of the outer wall of conductive contact seat (4) front side and external insulation contact base (5) front side.
3, electricity-saving type water pump automatic switch according to claim 1 is characterized in that described dynamic and static contact (12,13) is one group, in being separately fixed on the inwall of the outer wall of conductive contact seat (4) rear side and external insulation contact base (5) rear side.
4, electricity-saving type water pump automatic switch according to claim 1 is characterized in that described dynamic and static contact (12,13) can be two groups, in being separately fixed on the inwall of the outer wall of the forward and backward side of conductive contact seat (4) and the forward and backward side of external insulation contact base (5).
5,, it is characterized in that to link by a flexible force transmission member between described interior conductive contact seat (4) and the fulcrum block (9) according to claim 1 or 2 or 3 or 4 described electricity-saving type water pump automatic switches.
6, electricity-saving type water pump automatic switch according to claim 5 is characterized in that described flexible force transmission parts are spring (16).
7,, it is characterized in that described weighted is balancing weight (6) according to claim 1 or 2 or 3 or 4 described electricity-saving type water pump automatic switches.
8, electricity-saving type water pump automatic switch according to claim 5 is characterized in that described weighted is balancing weight (6).
9, according to claim 1 or 2 or 3 or 4 described electricity-saving type water pump automatic switches, it is characterized in that described weighted is to be made of two blocks of different in nature magnet (14,15), wherein one (14) are fixed on the lever (1), and it is last and corresponding with that piece magnet (14) on the lever (1) that another piece magnet (15) is fixed on pedestal (7).
10, according to claim 1 or 2 or 3 or 4 described electricity-saving type water pump automatic switches, it is characterized in that being provided with two groups of retaining members that are made of two blocks of different in nature magnet (17,18,19,20) between the fulcrum block (9) of lever (1) and pedestal (7), wherein both sides respectively are provided with one group before and after the fulcrum shaft (10) of lever (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03227379 CN2614377Y (en) | 2003-04-12 | 2003-04-12 | Power-saving water pump automatic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03227379 CN2614377Y (en) | 2003-04-12 | 2003-04-12 | Power-saving water pump automatic switch |
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| CN2614377Y true CN2614377Y (en) | 2004-05-05 |
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| CN 03227379 Expired - Fee Related CN2614377Y (en) | 2003-04-12 | 2003-04-12 | Power-saving water pump automatic switch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358541A (en) * | 2011-08-31 | 2012-02-22 | 日立电梯（中国）有限公司 | Weighing device |
| CN103137379A (en) * | 2012-12-10 | 2013-06-05 | 付小林 | Weight-pressing lever automatically controlling switch |
-
2003
- 2003-04-12 CN CN 03227379 patent/CN2614377Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358541A (en) * | 2011-08-31 | 2012-02-22 | 日立电梯（中国）有限公司 | Weighing device |
| CN102358541B (en) * | 2011-08-31 | 2014-12-17 | 日立电梯（中国）有限公司 | Weighing device |
| CN103137379A (en) * | 2012-12-10 | 2013-06-05 | 付小林 | Weight-pressing lever automatically controlling switch |
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| CF01 | Termination of patent right due to non-payment of annual fee |