CN2469542Y - Permanent-magnet automatic switch for water tower - Google Patents

Permanent-magnet automatic switch for water tower Download PDF

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Publication number
CN2469542Y
CN2469542Y CN 01217826 CN01217826U CN2469542Y CN 2469542 Y CN2469542 Y CN 2469542Y CN 01217826 CN01217826 CN 01217826 CN 01217826 U CN01217826 U CN 01217826U CN 2469542 Y CN2469542 Y CN 2469542Y
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CN
China
Prior art keywords
movable iron
iron plate
automatic switch
tubulose
floating block
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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
Application number
CN 01217826
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Chinese (zh)
Inventor
李绍平
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Individual
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Individual
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Publication date
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Priority to CN 01217826 priority Critical patent/CN2469542Y/en
Application granted granted Critical
Publication of CN2469542Y publication Critical patent/CN2469542Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A permanent magnetic water tower automatic switch belongs to an automatic switch. The automatic switch is provided with a bottom plate, two magnets are connected to the bottom plate, a movable iron sheet is arranged between the two magnets, a floating block is connected to the movable iron sheet through a pull rope, the magnets are connected to the bottom plate up and down, a movable iron sheet support is connected to one end of the bottom plate, an insulating base is connected to the other end of the bottom plate, and a binding post is connected to the insulating base. The automatic switch has the advantages of simple structure, easy batch production, low price, high reliability and no electric energy consumption during the operation of the automatic switch.

Description

Permanent magnetism water tower automatic switch
The utility model relates to a kind of switch, particularly a kind of permanent magnetism water tower automatic switch.
At present, people adopt water pump to fetch water on water tower, utilize the automatic control circuit that water pump is controlled when fetching water, the automatic control circuit generally is made up of A.C. contactor, push-button switch, lead and floating drum, and floating drum is placed in the water tower with the upper and lower fluctuating of water level, when water level is increased to water tower top, floating drum backs down normally closed switch, the ac contactor coil dead electricity discharges, and the contact tripping stops to fetch water after the pump motor dead electricity; When decline of water table to water tower when bottom, a stay cord is arranged on the floating drum, stay cord pulling normal open switch, ac contactor coil gets electric adhesive after the normal open switch closure, contacting, pump motor get fetches water after electric, goes round and begins again.During this control circuit of installation, maintenance, the personnel that need electrician's experience could operate, and need electric energy during the work of this control circuit, and the manufacturing cost height because floating drum is slowly to rise, makes normally closed switch and normal open switch produce a large amount of electric sparks and damages.
The purpose of this utility model is the permanent magnetism water tower automatic switch that electric energy is not provided in the time of will providing a kind of control circuit to work.
The purpose of this utility model is achieved in that this automatic switch has a base plate, is connected with two blocks of magnet on base plate, and movable iron plate is arranged between two blocks of magnet, is connected with floating block by stay cord on movable iron plate.
Magnet is upper and lower connection on base plate, is connected with the active iron plate rack at an end of base plate, is connected with insulator foot, the binding post that connects on the insulator foot at the other end of base plate.
Movable iron plate is two, be last movable iron plate and following movable iron plate, the same end of two movable iron plates is upper and lower respectively to be connected on the active iron plate rack, be connected with tightrope between the other end of movable iron plate, the end of going up movable iron plate is connected with collets, be connected with the wiring contact on the collets, the wiring contact is connected with a binding post by lead, and the wiring contact is positioned at the top of another binding post.
Floating block is two, be last floating block and following floating block, last floating block center is porose, be installed with a tubulose top bolt in the hole, tubulose top bolt is socketed with the tubulose runway outward, and bolt end, tubulose top is connected with pin and hangs in the upper end of tubulose runway, and the tubulose runway passes base plate and is connected on the base plate, be connected with stay cord on the following floating block, stay cord passes tubulose top bolt and is connected with following movable iron plate.
Owing to adopted such scheme, when the water tower middle water level is in low level, last floating block is hung on the tubulose runway, following floating block will descend movable iron plate to pull down with decline of water table by tightrope, movable iron plate is gone up movable iron plate by the tightrope pulling of end down, when pulling force surpasses the suction of last magnet, go up movable iron plate and break away from upward magnet, at this moment because the effect of lower magnet, movable iron plate under the lower magnet adhesive, to go up movable iron plate adhesive simultaneously, the wiring contact of going up on the movable iron plate is connected with binding post, and at this moment pump motor is switched on and begins to fetch water; When water level begins to rise, following floating block rises, stay cord has lost pulling force, loosened pulling force to following movable iron plate, water level continue to rise and will go up floating block and float, the tubulose top bolt that connects as one with last floating block rises in the tubulose runway, tubulose top bolt pushes down movable iron plate and last movable iron plate, leave the suction scope of lower magnet, after entering the suction scope of magnet,, promptly disconnected the power supply of pump motor and stop to fetch water by last magnet adhesive, control circuit does not need electric energy, has reached the purpose of this utility model.This automatic switch is simple in structure, is easy to produce in batches, and is cheap, reliability height, consumed power not during automatic switch work.
Be described further in conjunction with the embodiments with reference to the accompanying drawings.
Accompanying drawing is a structure chart of the present utility model.
Embodiment: this automatic switch has a shell 1, and a base plate 22 is arranged at the bottom of shell 1, is connected with two blocks of magnet on base plate 22, and movable iron plate is arranged between two blocks of magnet, is connected with floating block by stay cord 10 on movable iron plate.
Magnet is upper and lower connection on base plate 22, be last magnet 2 and lower magnet 7, connect by being connected and fixed plate 3 between last magnet 2 and the lower magnet 7, end at base plate 22 is connected with active iron plate rack 6, the other end at base plate 22 is connected with insulator foot 23, the binding post that connects on the insulator foot 23, binding post has two, i.e. contact binding post 21 and outlet binding post 24.
Movable iron plate is two, be last movable iron plate 4 and following movable iron plate 5, the same end of two movable iron plates is upper and lower respectively to be connected on the active iron plate rack 6, be connected with tightrope 17 between the other end of two movable iron plates, the end of going up movable iron plate 4 is connected with collets 18, be connected with wiring contact 19 on the collets 18, wiring contact 19 is connected with an outlet binding post 24 by lead 20, and wiring contact 19 is positioned at the top of contact binding post 21.
Floating block is two, be last floating block 12 and following floating block 15, last floating block 12 centers are porose, be installed with a tubulose top bolt 9 in the hole, be connected with position-limitting pin 11 at the tubulose top of last floating block 12 2 ends bolt 9, last floating block 12 is limited in the scope of position-limitting pin 11, the tubulose top bolt 9 outer tubulose runways 8 that are socketed with, bolt 9 ends, tubulose top are connected with pin 16 and hang upper end at tubulose runway 9, tubulose runway 9 passes base plate 22 and is connected on the base plate 22, be connected with stay cord 10 on the following floating block 15, stay cord 10 passes tubulose top bolt 9 and is connected with following movable iron plate 5.

Claims (4)

1, a kind of permanent magnetism water tower automatic switch, it is characterized in that: automatic switch has a base plate, is connected with two blocks of magnet on base plate, and movable iron plate is arranged between two blocks of magnet, is connected with floating block by stay cord on movable iron plate.
2, permanent magnetism water tower automatic switch according to claim 1, it is characterized in that: magnet is upper and lower connection on base plate, is connected with the active iron plate rack at an end of base plate, is connected with insulator foot, the binding post that connects on the insulator foot at the other end of base plate.
3, permanent magnetism water tower automatic switch according to claim 1, it is characterized in that: movable iron plate is two, be last movable iron plate and following movable iron plate, the same end of two movable iron plates is upper and lower respectively to be connected on the active iron plate rack, be connected with tightrope between the other end of movable iron plate, the end of going up movable iron plate is connected with collets, is connected with the wiring contact on the collets, the wiring contact is connected with a binding post by lead, and the wiring contact is positioned at the top of another binding post.
4, permanent magnetism water tower automatic switch according to claim 1, it is characterized in that: floating block is two, be last floating block and following floating block, last floating block center is porose, is installed with a tubulose top bolt in the hole, and tubulose top bolt is socketed with the tubulose runway outward, bolt end, tubulose top is connected with pin and hangs upper end at the tubulose runway, the tubulose runway passes base plate and is connected on the base plate, is connected with stay cord on the following floating block, and stay cord passes tubulose top bolt and is connected with following movable iron plate.
CN 01217826 2001-03-08 2001-03-08 Permanent-magnet automatic switch for water tower Expired - Fee Related CN2469542Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01217826 CN2469542Y (en) 2001-03-08 2001-03-08 Permanent-magnet automatic switch for water tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01217826 CN2469542Y (en) 2001-03-08 2001-03-08 Permanent-magnet automatic switch for water tower

Publications (1)

Publication Number Publication Date
CN2469542Y true CN2469542Y (en) 2002-01-02

Family

ID=33635978

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01217826 Expired - Fee Related CN2469542Y (en) 2001-03-08 2001-03-08 Permanent-magnet automatic switch for water tower

Country Status (1)

Country Link
CN (1) CN2469542Y (en)

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee