CN208218299U - The single-phase electric gourd of energy saving - Google Patents
The single-phase electric gourd of energy saving Download PDFInfo
- Publication number
- CN208218299U CN208218299U CN201820467969.3U CN201820467969U CN208218299U CN 208218299 U CN208218299 U CN 208218299U CN 201820467969 U CN201820467969 U CN 201820467969U CN 208218299 U CN208218299 U CN 208218299U
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- relay
- normally opened
- contact
- brake
- liter
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Abstract
The utility model relates to the single-phase electric gourds of energy saving, including monophase machine, reel, reduction gearbox, control cabinet, suspension hook, control button, brake gear and operation circuit, running circuit includes main circuit, control circuit and braking circuit, main circuit includes power supply, main switch, hang the normally opened contact of liter relay, transfer the normally opened contact of relay, monophase machine and start-up capacitance, control circuit includes hanging liter control circuit and decentralization control circuit, braking circuit includes the first braking circuit in parallel and the second braking circuit in parallel, the electromagnetic coil that brakes includes the first parallel winding and the second parallel winding, first braking circuit in parallel includes the normally opened third contact for hanging liter relay, transfer the normally opened third contact of relay, rectifier bridge stack and the first parallel winding, second braking circuit in parallel includes the second parallel winding and the time relay.The utility model can reduce brake gear brake electromagnetic coil fever, energy saving, moreover it is possible to improve brake gear performance.
Description
Technical field
The utility model relates to technical field of crane equipment more particularly to the single-phase electric gourds of energy saving.
Background technique
Single-phase electric gourd is widely used in lifting weight, and lifting will brake afterwards in place, and this functionality is filled by brake
Set completion.Brake gear generally uses electromagnetic type, and the energization of brake electromagnetic coil overcomes the elastic force of spring to beat when electric block works
Brake gear is opened, the power-off of brake electromagnetic coil, brake gear brake under the action of the spring when electric block is shut down.
In existing single-phase electric gourd, brake only one winding of electromagnetic coil, is directly powered by firewire and zero curve, stops
The main winding of vehicle electromagnetic coil and monophase machine is to be arranged in parallel, the virtual value of both end voltage be it is constant, therefore, either
The electromagnetic coil that brakes, which is powered, to be opened the moment of brake gear, or opens the maintenance state after brake gear, and brake electromagnetic coil
Current effective value be identical.In fact, before brake electromagnetic coil is powered, since the iron core and armature of brake electromagnetic coil have
Therebetween there is magnetic gap in a certain distance, the moment for opening brake gear needs biggish electric current to generate biggish magnetic force,
After iron core and armature closure, closed magnetic circuit is formed, magnetic flux increases, and maintains the electric current of brake gear opening state that can subtract significantly
It is small.Therefore, existing single-phase electric gourd braking circuit can open rear braking solenoid current because of brake gear and not reduce, and lead
Brake electromagnetic coil fever is caused, electric energy is wasted, has an effect on the overall performance of brake gear.
Utility model content
The utility model overcomes the deficiencies in the prior art, provides a kind of single-phase electric gourd of energy saving, can subtract
Small brake gear brake electromagnetic coil fever, energy saving, moreover it is possible to improve brake gear performance.
The utility model is achieved through the following technical solutions:
The single-phase electric gourd of energy saving, including monophase machine, reel, reduction gearbox, control cabinet, suspension hook, control button,
Brake gear and operation circuit；One end of the monophase machine connects reel one end, and reduction gearbox is set to the other end of reel, control
Case is set to outside monophase machine, and suspension hook is connected by wirerope with reel；The control button is equipped with the normally opened liter button, normally opened of hanging
Transfer button and normally closed stop button；The brake gear is set to the other end of monophase machine, which includes shell, stops
Axle, the brake disc for being fixed on brake axle one end, brake electromagnetic coil, brake block, the spring for being fixed on enclosure interior；The brake
The axle other end connects the shaft of monophase machine, and brake block is set between brake disc and brake electromagnetic coil, which can do
It is axially moved；The spring is set between brake block and shell end, and pushes brake block to brake disc；
The operation circuit includes main circuit, control circuit and braking circuit；
The main circuit include 220V power supply, main switch, normally opened first contact for hanging liter relay and normally opened second contact,
Transfer normally opened first contact and normally opened second contact, monophase machine and start-up capacitance of relay；One end of the main switch connects
The firewire of power supply is connect, one end of normally opened first contact of liter relay is hung in other end connection, hangs normally opened first touching of liter relay
The rotating forward terminals of the other end connection monophase machine of point, the both ends for hanging normally opened second contact of liter relay are separately connected power supply
Zero curve and monophase machine common terminal；The both ends of normally opened first contact of the decentralization relay are separately connected main switch
Output end and monophase machine non-inverting terminal, the both ends for transferring normally opened second contact of relay are separately connected the zero of power supply
The common terminal of line and monophase machine；The both ends of the start-up capacitance are separately connected rotating forward terminals and the reversion of monophase machine
Terminals；
The control circuit includes hanging liter control circuit and decentralization control circuit；
It is described hang output end, normally closed stop button that liter control circuit includes the main switch being serially connected, it is normally opened hang rise by
Button, the zero curve for hanging a liter relay coil, normally closed 4th contact and power supply of transferring relay；The normally opened both ends for hanging liter button
It is parallel with normally opened 5th contact for hanging liter relay；
The decentralization control circuit include the output end of the main switch being serially connected, normally closed stop button, normally opened decentralization by
Button, the zero curve for transferring relay coil, normally closed 4th contact and power supply of hanging liter relay；The both ends of the normally opened decentralization button
It is parallel with normally opened 5th contact of decentralization relay；
The brake electromagnetic coil includes the first parallel winding and the second parallel winding；The braking circuit includes first simultaneously
Join braking circuit and the second braking circuit in parallel；
Described first braking circuit in parallel includes the normally opened third contact for hanging liter relay, the normally opened third for transferring relay
Contact, rectifier bridge stack and the first parallel winding；Normally opened the of the normally opened third contact for hanging liter relay and decentralization relay
The output end of one end connection main switch after three contacts are parallel with one another, the other end connect an input terminal of rectifier bridge stack, rectification
The zero curve of another input terminal connection power supply of bridge heap；The both ends of first parallel winding are separately connected two of rectifier bridge stack
Output end；
Described second braking circuit in parallel includes the on-delay type time relay and the second parallel winding；The time after
The both ends of electric apparatus coil are separately connected two input terminals of rectifier bridge stack；Second parallel winding and the time relay it is normally closed
Both ends after contact series are separately connected the both ends of the first parallel winding；
A liter relay, decentralization relay, the time relay, rectifier bridge stack and the start-up capacitance of hanging is set to control cabinet
It is interior.
Further, it is equipped with outside the reduction gearbox and hangs the limiter for rising and transferring limit stop position for controlling suspension hook,
The limiter and reduction gearbox transmission connection；The limiter is equipped with normally closed upper limit travel switch and normally closed lower bound range switchs, institute
It states normally closed upper limit travel switch and is series at and hang in liter control circuit, normally closed lower bound range switch is series in decentralization control circuit.
Scheduled when normally closed upper limit travel switch and normally closed lower bound range switch is arranged for making electric gourd hang hook block rise or transfer
Position is automatically stopped, and when normally closed upper limit travel switch or normally closed lower bound range switch motion, normally-closed contact is disconnected, and cutting is hung
Control circuit or decentralization control circuit are risen, liter relay is hung or decentralization relay disconnects cutting main circuit, monophase machine stops turning
It is dynamic.
The beneficial effects of the utility model are: brake electromagnetic coil is divided into the first parallel winding and the second parallel winding,
By the delays time to control of the time relay, generate monophase machine jointly when starting by the first parallel winding and the second parallel winding
Biggish electromagnetic force opens rapidly brake gear, and brake gear only provides electromagnetic force by the first parallel winding after opening and maintains brake
The opening state of device can reduce the overall power of brake electromagnetic coil, and energy saving also makes brake electromagnetic coil temperature rise small,
Improve braking quality；The rectified bridge heap of alternating current is rectified into input brake electromagnetic coil after direct current, can make the electromagnetic wire that brakes
It is more stable to enclose work.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the brake gear of the utility model.
Fig. 3 is the circuit diagram of the utility model.
Specific embodiment
As shown in Figures 1 to 3, the embodiments of the present invention, the single-phase electric gourd of energy saving, including monophase machine M,
Reel 1, reduction gearbox 2, control cabinet 3, suspension hook 4, control button 5, brake gear 6 and operation circuit；One end of the monophase machine M
1 one end of reel is connected, reduction gearbox 2 is set to the other end of reel 1, and control cabinet 3 is set to outside monophase machine M, and suspension hook 4 passes through steel wire
Rope 7 and reel 1 connect；The control button 5 hangs a liter button SB1, normally opened decentralization button SB2 and normally closed stop button equipped with normally opened
SB3；The brake gear 6 is set to the other end of monophase machine M, which includes shell 8, brake axle 9, is fixed on brake
The brake disc 10 of 9 one end of axle, brake electromagnetic coil YA, brake block 11, the spring 12 being fixed on inside shell 8；The brake
9 other end of axis connects the shaft of monophase machine M, and brake block 11 is set between brake disc 10 and brake electromagnetic coil YA, the brake
Piece 11 can axially move；The spring 12 is set between 8 end of brake block 11 and shell, and pushes brake block 11 to brake disc
10；
The operation circuit includes main circuit, control circuit and braking circuit；
The main circuit includes 220V power supply, main switch K, the normally opened first contact KA1-1 for hanging liter relay KA1 and normally opened
Second contact KA1-2, transfer relay KA2 normally opened first contact KA2-1 and normally opened second contact KA2-2, monophase machine M and
Start-up capacitance C；The firewire L of one end connection power supply of the main switch K, other end connection hang normally opened the first of liter relay KA1
The positive switching of the other end connection monophase machine M of the normally opened first contact KA1-1 of liter relay KA1 is hung in one end of contact KA1-1
Line end CW, the both ends for hanging the normally opened second contact KA1-2 of liter relay KA1 are separately connected the zero curve N and monophase machine M of power supply
Common terminal COM；The both ends of the normally opened first contact KA2-1 of the decentralization relay KA2 are separately connected the output of main switch K
The non-inverting terminal CCW at end and monophase machine M, the both ends for transferring the normally opened second contact KA2-2 of relay KA2 are separately connected electricity
The common terminal COM of the zero curve N and monophase machine M in source；The both ends of the start-up capacitance C are being separately connected monophase machine M just
Transfer line end CW and non-inverting terminal CCW；
The control circuit includes hanging liter control circuit and decentralization control circuit；
It is described to hang output end, normally closed stop button SB3 that liter control circuit includes the main switch K being serially connected, normally opened hang
The zero curve N for rising button SB1, hanging a liter relay KA1 coil, the normally closed 4th contact KA2-4 and power supply that transfer relay KA2；Institute
It states the normally opened liter both ends of button SB1 of hanging and is parallel with the normally opened 5th contact KA1-5 for hanging liter relay KA1；
The decentralization control circuit include the output end of the main switch K being serially connected, normally closed stop button SB3, it is normally opened under
The zero curve N put button SB2, transfer relay KA2 coil, the normally closed 4th contact KA1-4 and power supply that hang liter relay KA1；Institute
The both ends for stating normally opened decentralization button SB2 are parallel with the normally opened 5th contact KA2-5 of decentralization relay KA2；
The brake electromagnetic coil YA includes the first parallel winding YA1 and the second parallel winding YA2；The braking circuit packet
Include the first braking circuit in parallel and the second braking circuit in parallel；
Described first braking circuit in parallel includes the normally opened third contact KA1-3 for hanging liter relay KA1, decentralization relay
Normally opened third contact KA2-3, the rectifier bridge stack UR and the first parallel winding YA1 of KA2；It is described to hang normally opened the of liter relay KA1
One end after three contact KA1-3 are parallel with one another with the normally opened third contact KA2-3 of decentralization relay KA2 connects the defeated of main switch K
Outlet, the other end connect an input terminal of rectifier bridge stack UR, the zero curve of another input terminal connection power supply of rectifier bridge stack UR
N；The both ends of the first parallel winding YA1 are separately connected two output ends of rectifier bridge stack UR；
Described second braking circuit in parallel includes on-delay type time relay KT and the second parallel winding YA2；It is described
The both ends of time relay KT coil are separately connected two input terminals of rectifier bridge stack UR；The second parallel winding YA2 and when
Between relay KT normally-closed contact KT-1 series connection after both ends be separately connected the both ends of the first parallel winding YA1；
It is described hang a liter relay KA1, decentralization relay KA2, time relay KT, rectifier bridge stack UR and start-up capacitance C it is equal
In control cabinet 3.
Working principle is: when hanging electric hoist suspension hook 4 liter, press it is normally opened hang a liter button SB1, hang a liter relay KA1
Coil energized action, normally opened first contact KA1-1, normally opened second contact KA1-2 and normally opened third contact KA1-3 are closed
Close, brake electromagnetic coil YA the first parallel winding YA1 obtain it is electric, time relay KT also it is electric, but the time relay KT delay
Movement, its normally-closed contact KT-1 still keeps normally closed at this time, brake electromagnetic coil YA the second parallel winding YA2 also it is electric, first
Parallel winding YA1 and the second parallel winding YA2 generate jointly biggish electromagnetic force make brake block 11 overcome spring 12 thrust and
Brake disc 10 separates, and opens brake gear 6 rapidly, brake disc 10 and brake axle 9 is freely rotated；Monophase machine M simultaneously
Main winding and starting winding also it is electric, monophase machine M rotate forward start；Time relay KT is moved after delay after a period of time
Make, normally-closed contact KT-1 is disconnected, and the second parallel winding YA2, which is switched off, to stop working, but brake gear 6 has been opened at this time, is stopped
The iron core and brake block 11 of the brake electromagnetic coil YA of vehicle device 6 has been incorporated into and is formed together closed magnetic circuit, and magnetic flux increases, by
The electromagnetic force that first parallel winding YA1 is generated maintains the opening state of brake gear 6 enough, can thus reduce brake electromagnetic wire
The overall power of YA is enclosed, electric energy is saved, can also reduce the iron core fever of brake electromagnetic coil YA, improve braking quality.Hang rise after
After the coil energized action of electric appliance KA1, normally closed 4th contact KA1-4 is disconnected, and disconnects decentralization control circuit, to decentralization control electricity
Road is protected, even if decentralization control circuit can not be connected by pressing normally opened decentralization button SB2 at this time；A liter relay is hung simultaneously
The normally opened 5th contact KA1-5 closed pair of KA1 is normally opened to be hung liter button SB1 and carries out in parallel self-locking, unclamps normally opened hang a liter button at this time
SB1, which will not be cut off, hangs a liter control circuit.When stopping electric gourd hang hook block liter, presses normally closed stop button SB3 cutting and hang
Control circuit is risen, a liter relay KA1 coil losing electricity is hung, normally opened contact restores normally opened, and normally-closed contact restores normally closed, monophase machine
M power loss shuts down, the first parallel winding YA1 power loss for the electromagnetic coil YA that brakes, and brake gear 6 is right under the action of spring 12
Electric block brakes.
Similarly, when transferring circuit hoist lifting hook 4, normally opened decentralization button SB2 is pressed, transfers the coil of relay KA2
Energized action, normally opened contact are closed, and normally-closed contact disconnects, the first parallel winding YA1 and second for the electromagnetic coil YA that brakes
Parallel winding YA2 electric opening brake gear 6, monophase machine M also electric reversion starting, later, prolong in time relay KT
Under Shi Zuoyong, the second parallel winding YA2 power-off stops working, and the open shape of brake gear 6 is only maintained by the first parallel winding YA1
State can equally reduce the overall power of brake electromagnetic coil YA, save electric energy, reduce the iron core fever of brake electromagnetic coil YA,
Improve braking quality.When stopping the decentralization of electric hoist suspension hook 4, decentralization control can equally be cut off by pressing normally closed stop button SB3
Circuit transfers relay KA2 coil losing electricity, and normally opened contact restores normally opened, and normally-closed contact restores normally closed, monophase machine M power loss
It shuts down, the first parallel winding YA1 power loss for the electromagnetic coil YA that brakes, brake gear 6 is under the action of spring 12 to electronic
Cucurbit is braked.
It is equipped in the present embodiment, outside the reduction gearbox 2 and hangs the limit for rising and transferring limit stop position for controlling suspension hook 4
Position device 13, the limiter 13 and reduction gearbox 2 are sequentially connected；The limiter 13 is equipped with normally closed upper limit travel switch SQ1 and normally closed
Lower bound range switch SQ2, the normally closed upper limit travel switch SQ1, which is series at, to be hung in liter control circuit, normally closed lower bound range switch
SQ2 is series in decentralization control circuit.Normally closed upper limit travel switch SQ1 and normally closed lower bound range switch SQ2 is set for making electricity
Dynamic hoist lifting hook 4, which is hung, to be risen or is automatically stopped when transferring in scheduled position, when the normally closed lower restricted driving of upper limit travel switch SQ1 or normally closed
Cheng Kaiguan SQ2 act when, normally-closed contact disconnect, cutting hang liter control circuit or decentralization control circuit, hang liter relay KA1 or
It transfers relay KA2 and disconnects cutting main circuit, monophase machine M stops operating.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (2)
1. the single-phase electric gourd of energy saving, including monophase machine, reel, reduction gearbox, control cabinet, suspension hook, control button, brake
Vehicle device and operation circuit；One end of the monophase machine connects reel one end, and reduction gearbox is set to the other end of reel, control cabinet
Outside monophase machine, suspension hook is connected by wirerope with reel；The control button be equipped with it is normally opened hang a liter button, it is normally opened under
Put button and normally closed stop button；The brake gear is set to the other end of monophase machine, which includes shell, brake
Axis, the brake disc for being fixed on brake axle one end, brake electromagnetic coil, brake block, the spring for being fixed on enclosure interior；The brake
The axis other end connects the shaft of monophase machine, and brake block is set between brake disc and brake electromagnetic coil, which can do axis
To movement；The spring is set between brake block and shell end, and pushes brake block to brake disc；
The operation circuit includes main circuit, control circuit and braking circuit；
The main circuit includes 220V power supply, main switch, normally opened first contact for hanging liter relay and normally opened second contact, decentralization
Normally opened first contact and normally opened second contact, monophase machine and start-up capacitance of relay；One end of the main switch connects electricity
The firewire in source, other end connection hang one end of normally opened first contact of liter relay, hang normally opened first contact of liter relay
The other end connects the rotating forward terminals of monophase machine, and the both ends for hanging normally opened second contact of liter relay are separately connected the zero of power supply
The common terminal of line and monophase machine；The both ends of normally opened first contact of the decentralization relay are separately connected the defeated of main switch
The non-inverting terminal of outlet and monophase machine, transfer normally opened second contact of relay both ends be separately connected power supply zero curve and
The common terminal of monophase machine；The both ends of the start-up capacitance are separately connected the rotating forward terminals and inverting terminal of monophase machine
End；
The control circuit includes hanging liter control circuit and decentralization control circuit；
It is described to hang output end, normally closed stop button that liter control circuit includes the main switch being serially connected, normally opened hang a liter button, hang
Rise the zero curve of relay coil, normally closed 4th contact and power supply of transferring relay；The normally opened both ends for hanging liter button are in parallel
There is normally opened 5th contact for hanging liter relay；
The decentralization control circuit include the output end of the main switch being serially connected, normally closed stop button, normally opened decentralization button, under
Put the zero curve of relay coil, normally closed 4th contact and power supply of hanging liter relay；The both ends of the normally opened decentralization button are in parallel
There is normally opened 5th contact of decentralization relay；It is characterized by:
The brake electromagnetic coil includes the first parallel winding and the second parallel winding；The braking circuit includes the first brake in parallel
Vehicle circuit and the second braking circuit in parallel；
Described first braking circuit in parallel includes the normally opened third contact for hanging liter relay, the normally opened third touching for transferring relay
Point, rectifier bridge stack and the first parallel winding；The normally opened third of the normally opened third contact for hanging liter relay and decentralization relay
The output end of one end connection main switch after contact is parallel with one another, the other end connect an input terminal of rectifier bridge stack, rectifier bridge
The zero curve of another input terminal connection power supply of heap；The both ends of first parallel winding be separately connected rectifier bridge stack two are defeated
Outlet；
Described second braking circuit in parallel includes the on-delay type time relay and the second parallel winding；The time relay
The both ends of coil are separately connected two input terminals of rectifier bridge stack；The normally-closed contact of second parallel winding and the time relay
Both ends after series connection are separately connected the both ends of the first parallel winding；
A liter relay, decentralization relay, the time relay, rectifier bridge stack and the start-up capacitance of hanging is set in control cabinet.
2. the single-phase electric gourd of energy saving according to claim 1, it is characterised in that: be equipped with outside the reduction gearbox
The limiter for rising and transferring limit stop position, the limiter and reduction gearbox transmission connection are hung for controlling suspension hook；The limit
Device is equipped with normally closed upper limit travel switch and normally closed lower bound range switchs, and the normally closed upper limit travel switch, which is series at, hangs a liter control electricity
Lu Zhong, normally closed lower bound range switch are series in decentralization control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820467969.3U CN208218299U (en) | 2018-03-30 | 2018-03-30 | The single-phase electric gourd of energy saving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820467969.3U CN208218299U (en) | 2018-03-30 | 2018-03-30 | The single-phase electric gourd of energy saving |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208218299U true CN208218299U (en) | 2018-12-11 |
Family
ID=64504287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820467969.3U Expired - Fee Related CN208218299U (en) | 2018-03-30 | 2018-03-30 | The single-phase electric gourd of energy saving |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208218299U (en) |
-
2018
- 2018-03-30 CN CN201820467969.3U patent/CN208218299U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20190330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |