CN101546644A - Drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads - Google Patents
Drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads Download PDFInfo
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- CN101546644A CN101546644A CN200810087847A CN200810087847A CN101546644A CN 101546644 A CN101546644 A CN 101546644A CN 200810087847 A CN200810087847 A CN 200810087847A CN 200810087847 A CN200810087847 A CN 200810087847A CN 101546644 A CN101546644 A CN 101546644A
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Abstract
The invention relates to a drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads. The drive circuit can be used for controlling the electric excitation loads such as magnetic braking devices, electromagnetic clutches, electromagnetic switches, electromagnetic relays (Relay), electromagnetic valves, electromagnets, electromagnetic locks, spiral tube coils and the like or drive coils configured for excitation windings of motors or generators, performing full-voltage starting, reducing voltage of the excitation windings and maintaining the operation of electrifying excitation, and can save electric energy by reducing voltage.
Description
Technical field
The present invention is a kind of drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads design, can be applicable to the field winding of electro-magnetic braking device, electromagnetic clutch, electromagnetic switch, electromagnetic relay (Relay), electromagnetically operated valve, electromagnet, electromagnetic lock, toroidal winding etc. or motor or generator etc., can save electric energy by reducing voltage.
Background technology
Traditional mat electric current that uses produces the electric excitation loads of galvanomagnetic effect running by magnetizing coil, when the magnetizing coil startup that it disposed and the running of maintenance energization excitation, is all the full voltage "on" position usually, and required exciting curent is its disappearance more greatly.
Summary of the invention
Main purpose of the present invention, be to be to provide a kind of drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads design, utilize impedance component and switching device, cooperate with the magnetizing coil of electromagnetic actuating device, to provide magnetizing coil is made full voltage starting, the switching of mat switching device reduces the voltage of field winding again, to reduce electric current, but still the running that keeps energization excitation, the present invention can supply and be used for electro-magnetic braking device, electromagnetic clutch, electromagnetic switch, electromagnetic relay (Relay), electromagnetically operated valve, electromagnet, electromagnetic lock, toroidal winding etc., or motor, or the field winding of generator etc.
Following conjunction with figs. describes feature of the present invention and advantage in detail:
Description of drawings
Figure 1 shows that circuit box schematic diagram of the present invention.
Figure 2 shows that Fig. 1 is changed at the impedance body shunt capacitor to replace the circuit diagram of switching device.
Embodiment
Be illustrated in figure 1 as circuit box schematic diagram of the present invention, its main composition is as follows:
Switching device 101: serving as reasons is constituted with manpower or machine power or stream power or operated electric mechanical switch, relay, electromagnetic switch or solid switch element and the associative operation circuit of electric energy, will exchange or direct current energy is transported to electric excitation loads 102 or cut off electric energy, and changeable installation switching device 101, make electric excitation loads 102 make full voltage starting, switch to again and make its magnetizing coil 102 ' connect with impedance body 104, to reduce the voltage of magnetizing coil 102`, with the fortune author who reduces electric current and still can keep energization excitation;
Electric excitation loads 102: for having the electromagnetic actuating device of electric energy magnetizing coil 102`, as institute's constitutors such as field winding of electro-magnetic braking device, electromagnetic clutch, electromagnetic switch, electromagnetic relay (Relay), electromagnetically operated valve, electromagnet, electromagnetic lock, toroidal winding etc. or motor or generator;
Capacitor 103: be specification according to electric excitation loads 102, and select the interchange of coupling or direct current capacitor or other can hold arresting element, when 101 couples of magnetizing coil 102` of switching device do the connection in series-parallel switching, keep stable fortune author for the coil 102` that assists electric excitation loads 102; This capacitor 103 can select to be provided with or not to be provided with the person according to need.
Impedance body 104:(1) when being applied to DC power supply, impedance body 104 contains by resistive, or the coil of tool resistive impedance, other tool resistive impedance element or the device constitute, the switching of mat switching device 101 is controlled when starting, make impedance body 104 two ends be short circuit, and drive magnetizing coil 102` with full voltage, the switching device 101 that starts impedance body 104 two ends, back switches to and is open circuit, and impedance body 104 is connected with magnetizing coil 102`, and the terminal voltage of reduction magnetizing coil 102`, to reduce electric current, magnetizing coil 102` still can keep the fortune author of energization excitation; (2) when being applied to AC power, impedance body 104 contains by resistive or inductive or elements such as capacitive anti-resistance element or halfwave rectifier diode and is constituted, the switching of mat switching device 101 is controlled when starting, make impedance body 104 two ends be short circuit, and drive magnetizing coil 102` with full voltage, the switching device 101 that starts impedance body 104 two ends, back switches to and is open circuit, and impedance body 104 is connected with magnetizing coil 102`, and reducing magnetizing coil 102` terminal voltage to reduce electric current, magnetizing coil 102` still can keep the fortune author of energization excitation.
This drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads, when being applied to the application of DC power supply, further can be as shown in Figure 2, for Fig. 1 being changed at the impedance body shunt capacitor to replace the circuit diagram of switching device, the capacitor 105 of serving as reasons among Fig. 2 and being parallel to impedance body 104, replace switching device 101, when starting via magnetizing coil 102, to capacitor 105 chargings, form the full voltage starting function this moment, after the startup, during in the charging voltage of capacitor 105 and in impedance body 104 terminal voltage balances, constitute the merit able one who reduces voltage by 104 pairs of electric excitation loads 102 of impedance body.
This drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads, its selected electric excitation loads is when practical application, can select to have the electric energy drive unit that has different qualities when different voltage according to need is electric excitation loads, have the galvanomagnetic effect application apparatus of magnetizing coil as (1), as: electro-magnetic braking device, electromagnetic clutch, electromagnetic switch, electromagnetic relay (Relay), electromagnetically operated valve, electromagnet, electromagnetic lock, toroidal winding etc.; (2) motor; (3) field winding of generator; And select according to need to constitute electric power loads person by one or more identical or different electric energy drive unit in the above-mentioned load.
Comprehensively above-mentioned, this drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads is behind full voltage starting, controlling of mat switching device 101, can save electric energy with the terminal voltage and the electric current that reduce electric excitation loads 102 magnetizing coil 102`, function is definite, meets novel progressive important document.
Claims (3)
1. drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads, it is characterized in that, the drive coil of described circuit for being disposed for the field winding of controlling electric excitation loads such as electro-magnetic braking device, electromagnetic clutch, electromagnetic switch, electromagnetic relay, electromagnetically operated valve, electromagnet, electromagnetic lock, toroidal winding etc. or motor or generator etc., the voltage of making full voltage starting and reducing field winding, and the running that keeps energization excitation, can save electric energy by reducing voltage, its main composition is as follows:
Switching device (101): serving as reasons is constituted with manpower or machine power or stream power or operated electric mechanical switch, relay, electromagnetic switch or solid switch element and the associative operation circuit of electric energy, will exchange or direct current energy is transported to electric excitation loads (102) or cut off electric energy, and changeable installation switching device (101), make electric excitation loads (102) make full voltage starting, switch to again its magnetizing coil (102`) is connected with impedance body (104), to reduce the voltage of magnetizing coil (102`), with the fortune author who reduces electric current and still can keep energization excitation;
Electric excitation loads (102): for having the electromagnetic actuating device of electric energy magnetizing coil (102`), as institute's constitutors such as field winding of electro-magnetic braking device, electromagnetic clutch, electromagnetic switch, electromagnetic relay, electromagnetically operated valve, electromagnet, electromagnetic lock, toroidal winding etc. or motor or generator;
Capacitor (103): be specification according to electric excitation loads (102), and select the interchange of coupling or direct current capacitor or other can hold arresting element, when switching device (101) is done the connection in series-parallel switching to magnetizing coil (102`), keep stable fortune author for the coil (102`) of assisting electric excitation loads (102); This capacitor (103) can select to be provided with or not to be provided with the person according to need;
Impedance body (104): (1) is when being applied to DC power supply, impedance body (104) contains by resistive, or the coil of tool resistive impedance, other tool resistive impedance element or the device constitute, the switching of mat switching device (101) is controlled when starting, make impedance body (104) two ends be short circuit, and drive magnetizing coil (102`) with full voltage, the switching device (101) that starts impedance body (104) two ends, back switches to and is open circuit, and impedance body (104) is connected with magnetizing coil (102`), and the terminal voltage of reduction magnetizing coil (102`), to reduce electric current, magnetizing coil (102`) still can keep the fortune author of energization excitation; (2) when being applied to AC power, impedance body (104) contains by resistive, or inductive, or elements such as capacitive anti-resistance element or halfwave rectifier diode constitute, the switching of mat switching device (101) is controlled when starting, make impedance body (104) two ends be short circuit, and drive magnetizing coil (102`) with full voltage, the switching device (101) that starts impedance body (104) two ends, back switches to and is open circuit, and impedance body (104) is connected with magnetizing coil (102`), and reduction magnetizing coil (102`) terminal voltage, to reduce electric current, magnetizing coil (102`) still can keep the fortune author of energization excitation.
2. drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads as claimed in claim 1, it is characterized in that, described circuit application is when the application of DC power supply, the capacitor (105) that is parallel to impedance body (104) of further can serving as reasons replaces switching device (101), when starting, capacitor (105) is charged via magnetizing coil (102`), form the full voltage starting function this moment, when starting the back, electric excitation loads (102) is constituted the merit able one who reduces voltage by impedance body (104) in the charging voltage of capacitor (105) and in impedance body (104) terminal voltage balance.
3. drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads as claimed in claim 1, it is characterized in that, the selected electric excitation loads of described circuit is when practical application, can select to have the electric energy drive unit that has different qualities when different voltage according to need is electric excitation loads, have the galvanomagnetic effect application apparatus of magnetizing coil as (1), as: electro-magnetic braking device, electromagnetic clutch, electromagnetic switch, electromagnetic relay, electromagnetically operated valve, electromagnet, electromagnetic lock, toroidal winding etc.; (2) motor; (3) field winding of generator; And select according to need to constitute electric power loads person by one or more identical or different electric energy drive unit in the above-mentioned load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810087847A CN101546644A (en) | 2008-03-26 | 2008-03-26 | Drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810087847A CN101546644A (en) | 2008-03-26 | 2008-03-26 | Drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101546644A true CN101546644A (en) | 2009-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810087847A Pending CN101546644A (en) | 2008-03-26 | 2008-03-26 | Drive circuit for full-voltage starting and reduced-voltage maintenance of electric excitation loads |
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| CN (1) | CN101546644A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054627A (en) * | 2009-11-06 | 2011-05-11 | 施耐德电器工业公司 | Electromagnetic actuator and electrical contactor comprising such actuator |
| CN113153717A (en) * | 2021-04-23 | 2021-07-23 | 重庆工业职业技术学院 | Integrated electrical and mechanical pump starting device |
-
2008
- 2008-03-26 CN CN200810087847A patent/CN101546644A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054627A (en) * | 2009-11-06 | 2011-05-11 | 施耐德电器工业公司 | Electromagnetic actuator and electrical contactor comprising such actuator |
| CN102054627B (en) * | 2009-11-06 | 2015-02-11 | 施耐德电器工业公司 | Electromagnetic actuator and electrical contactor comprising such actuator |
| CN113153717A (en) * | 2021-04-23 | 2021-07-23 | 重庆工业职业技术学院 | Integrated electrical and mechanical pump starting device |
| CN113153717B (en) * | 2021-04-23 | 2023-11-10 | 重庆工业职业技术学院 | Integrated electric and mechanical pump starting device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090930 |