CN101656136A - Energy saving magnetic head and control method thereof - Google Patents
Energy saving magnetic head and control method thereof Download PDFInfo
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- CN101656136A CN101656136A CN 200910169375 CN200910169375A CN101656136A CN 101656136 A CN101656136 A CN 101656136A CN 200910169375 CN200910169375 CN 200910169375 CN 200910169375 A CN200910169375 A CN 200910169375A CN 101656136 A CN101656136 A CN 101656136A
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Abstract
The invention relates to and energy saving magnetic head and control method thereof. The energy saving magnetic head comprises a magnetic head body and a magnetic head control circuit, wherein the magnetic head control circuit connects with a coil in the magnetic head body through wires, and can change current in the coil according to real-time working condition of the magnetic head body; the energy saving magnetic head control method is that current of the coil of the magnetic head is controlled through the magnetic head control circuit, so that the current in the coil is large current the magnetic head is started, and the current in the coil is small current under stable working condition. Through changing the current of an input coil, the invention not only can save energy consumption,but also can restrain temperature rise of the coil, which is mainly used for various industrial electromagnetic valve, especially high power electromagnetic valve.
Description
Technical field
The present invention relates to a kind of energy-saving electromagnetic head and energy-saving electromagnetic head controlling method, the size that it can change the electric current of input coil has function energy-conservation and protection equipment.
Background technology
Existing Electrical heads is provided with terminal box, switch connection power supply by terminal box, behind the coil electricity (voltage by the Electrical heads coil is 220V usually), coil produces magnetic field, magnetic field magnetic line is working gas gap between moving iron core and static iron core, arrive static iron core by moving iron core, form the magnetic line of force and transmit the loop.Because the mutual adhesive of moving iron core and static iron core in the start-up course, gap between the two reduces gradually, makes magnetic resistance also reduce gradually thus.
Electrical heads work suction is exactly the power of moving on the moving iron core of static iron core adhesive, and the size of suction and coil number of ampere turns square are directly proportional, square be inversely proportional to working gas gap, the number of ampere turns size is determined that by supply voltage and temperature rise supply voltage is 220V, and temperature rise generally is decided to be 60 ℃, so after an Electrical heads is determined, number of ampere turns is a constant, exchange work and make suction, can only change working gas gap.Ordinary circumstance, the major parameter of Electrical heads is for requiring to have much work suction on great air gap position.That is to say, after an Electrical heads designs, be under 60 ℃ of conditions in coil temperature rise, and under the supply voltage of setting, the suction of working on the regulation air gap position is a particular value.In real work, after the dynamic and static iron core adhesive of Electrical heads, needed suction will diminish, and actual suction increases along with reducing of gap on the contrary, has not only wasted the energy thus, brings bigger loss also for equipment itself.
Summary of the invention
In order to overcome the above-mentioned defective of prior art, the present invention proposes a kind of energy-saving electromagnetic head and a kind of energy-saving electromagnetic head controlling method, so that change the size of coil current, under guaranteeing that Electrical heads can the situation of operate as normal, reduce power consumption as much as possible according to the need of work of Electrical heads.
The technical solution used in the present invention:
A kind of energy-saving electromagnetic head, comprise Electrical heads main body and Electrical heads control circuit, the output of described Electrical heads control circuit is connected with coil in the described Electrical heads main body by lead, and described Electrical heads control circuit is the control circuit that can change size of current in the described coil according to the real-time working situation of described Electrical heads main body.
Described Electrical heads control circuit can be provided with the regulating part that is used to regulate its output valve usually.
Described Electrical heads control circuit can adopt following any circuit: (1) bridge rectifier, described regulating part are the on-off switch that is arranged on the one brachium pontis; (2) be provided with the Electrical heads control circuit of the adjustable element that is used for the regulating circuit output valve, described regulating part is described adjustable element; (3) be provided with the microprocessor that is used for the regulating circuit output valve or the Electrical heads control circuit of chip, described regulating part is described microprocessor or chip; (4) be provided with the circuit of two or more branch roads, the output valve difference of different branch, described regulating part is the diverter switch that is used to switch each branch road on off operating mode that is separately positioned on a plurality of on-off switches on each branch road or connects each branch road.
Described on-off switch and/or diverter switch can be electric-controlled switch or the position of moving iron core that is subjected to described Electrical heads main body or other movable part on the valve or the mechanical switch of being controlled by the signal of telecommunication or internal processes of action control.
Described electric-controlled switch can be for the time relay, the relay that is provided with transducer or contactor, by the electric-controlled switch of microprocessor control and/or by the electric-controlled switch of chip controls, described mechanical switch can be travel switch, touch the break-make when being implemented in certain position when moving to certain position by his movable part that moves iron core, valve rod or its valve.
Described relay or the contactor that is provided with transducer can be provided with ON-OFF control circuit usually, described transducer connects described ON-OFF control circuit, and described ON-OFF control circuit is according to the relevant on-off switch of transducing signal control of described transducer and/or the action or the state of diverter switch.
Described transducer can be for the transducer of gap signal or pressure signal between the transducer of the moving iron core of gathering described Electrical heads main body or other movable part position signallings of valve, the moving iron core of gathering described Electrical heads main body and the static iron core, gather in the valve pocket of valve or the transducer of pressure medium signal in the fluid line that valve connected or flow velocity signal and/or gather the transducer of the coil temperature signal of described Electrical heads body temperature signal or described Electrical heads main body, a transducer can be set usually, also a plurality of transducers can be set.
Described mechanical switch can be by mechanical driving device the be in transmission connection moving iron core of described Electrical heads main body or the valve rod of valve, so that the break-make that realizes these mechanical switchs by the action or the position of these movable parts.For example, described mechanical driving device can be rod gear or spring gear, the action output of described rod gear connects the movable part that is used to realize switch on and off in the described mechanical switch, the action input is provided with the transmission contact, described transmission contact is positioned on the tracks of described moving iron core and adhesive place of described static iron core or described moving iron core or valve rod, the action output of described spring gear connects the movable part that is used to realize switch on and off in the described mechanical switch, the action input is provided with the spring tensioning member, and described spring tensioning member is arranged on the tracks of described moving iron core and adhesive place of described static iron core or described moving iron core or valve rod.
A kind of energy-saving electromagnetic head controlling method, it is by the size of current of the coil of Electrical heads control circuit control Electrical heads main body, electric current when Electrical heads starts in the described coil is big electric current, after described moving iron core and described static iron core adhesive or described working gas gap reach that the electric current in the described coil is little electric current under the normal operating conditions of certain value or the steady-working state, described big electric current to the transfer process of described little electric current be one gradually transfer process or directly be converted to little electric current or be converted to little electric current step by step by described big electric current by some intermediate currents.
Described Electrical heads control circuit can be provided with the regulating part that is used to regulate its output valve.
Described Electrical heads control circuit can adopt following any circuit:
(1) bridge rectifier, described regulating part are the on-off switch that is arranged on the one brachium pontis;
(2) be provided with the Electrical heads control circuit of the adjustable element that is used for the regulating circuit output valve, described regulating part is described adjustable element;
(3) be provided with the microprocessor that is used for the regulating circuit output valve or the Electrical heads control circuit of chip, described regulating part is described microprocessor or chip;
(4) be provided with the circuit of two or more branch roads, the output valve difference of different branch, described regulating part is the diverter switch that is used to switch each branch road on off operating mode that is separately positioned on a plurality of on-off switches on each branch road or connects each branch road.
Described on-off switch and/or diverter switch can be electric-controlled switch or the position of moving iron core that is subjected to described Electrical heads main body or other movable part on the valve or the mechanical switch of being controlled by the signal of telecommunication or internal processes of action control, described electric-controlled switch can be the time relay, be provided with the relay or the contactor of transducer, by the electric-controlled switch of microprocessor control and/or by the electric-controlled switch of chip controls, described mechanical switch is a travel switch or by mechanical driving device the be in transmission connection moving iron core of described Electrical heads main body or the valve rod of valve, described relay or the contactor that is provided with transducer is provided with ON-OFF control circuit, described transducer connects described ON-OFF control circuit, and described ON-OFF control circuit is according to the relevant on-off switch of transducing signal control of described transducer and/or the action or the state of diverter switch.
The Electrical heads that relates in the inventive method can adopt the working method of the technical scheme of any technical scheme in the above-mentioned energy-saving electromagnetic head and above-mentioned energy-saving electromagnetic head.
Beneficial effect of the present invention: utilize the Electrical heads control circuit to change the interior size of current of coil, thereby change the suction between moving iron core and the static iron core, make the size of current in the coil change according to the operating state of Electrical heads, so that under the situation that guarantees the Electrical heads operate as normal, reduced unnecessary power consumption, not only save the energy thus and also reduced the interior temperature rise of coil, prolonged the useful life of Electrical heads.
Description of drawings
Fig. 1 is an energy-saving electromagnetic head of the present invention at the dynamic and static iron core structural representation under the attracting state not;
Fig. 2 is the structural representation of energy-saving electromagnetic head of the present invention under dynamic and static iron core attracting state;
Fig. 3 is that Electrical heads control circuit of the present invention is a kind of circuit diagram of bridge rectifier;
Fig. 4 is the circuit diagram of on-off switch of the present invention and/or the diverter switch a kind of Electrical heads control circuit when being the time relay;
A kind of structural representation when Fig. 5 is a transducer of the present invention for the temperature sensor of the coil temperature signal of gathering Electrical heads;
Fig. 6 is that transducer of the present invention is a kind of structural representation when gathering the position transducer of the position variation signal of moving iron core;
Fig. 7 is a kind of structural representation of mechanical driving device of the present invention when being rod gear;
Fig. 8 is a kind of structural representation of mechanical driving device of the present invention when being spring gear.
Embodiment
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Referring to Fig. 1 and Fig. 2, one embodiment of the present of invention, comprise Electrical heads main body 1 and Electrical heads control circuit, described Electrical heads main body comprises magnetic conduction shell 8, the moving iron core 10 that cooperatively interacts and static iron core 11 and coil 9, be provided with the iron core passage in the described magnetic conduction shell, described static iron core is fixedly mounted on the upper end of described iron core passage, described moving iron core is slidingly connected in the described iron core passage, be provided with working gas gap between described static iron core and the described moving iron core, described coil be arranged on described iron core passage around, also be provided with the through hole that can pass for lead 12 on the described magnetic conduction shell.
Described energy-saving electromagnetic head also comprises electric control box 3 and every magnetic support 2, the Electrical heads main body is fixedlyed connected every the magnetic support by described with electric control box, and described Electrical heads control circuit is arranged in the described electric control box.What described electric control box was provided with the indicator light 6 that can indicate described Electrical heads control circuit operating state, the described Electrical heads control circuit operating state of control releases the button 4 and X button 5 and can play the cable joint 7 of protection and sealing function to described lead.Described indicator light, release the button, X button is electrically connected with described Electrical heads control circuit, the output of described Electrical heads control circuit is connected with described coil by described lead, and described Electrical heads control circuit can change the size of current in the described coil according to the real-time working situation of described Electrical heads main body.
Of the present invention opening one's minds is: Electrical heads work suction is the power of moving on the described moving iron core of described static iron core adhesive.So when Electrical heads was started working, as long as the work suction on working gas gap position (initial condition or valve closing state) can overcome load, described moving iron core gravity and moving resistance etc., described moving iron core and described static iron core just can adhesives.When the Electrical heads coil has just been switched on, should give big electric current, make described coil can be on the working gas gap position produce big work suction by electromagnetic induction, make described static iron core smoothly the adhesive that makes progress of described moving iron core.After the adhesive of sound iron core, the spacing between the sound iron core reduces, and suction increases, but valve requires to descend on the contrary to the suction between the sound iron core, if adopt electric current identical when initial thus, the suction of actual generation has just exceeded required suction requirement.Therefore, when working gas gap reaches certain value or Electrical heads and is in certain operating state, pass to suitable little electric current can for described coil, so that when sound iron core suction satisfies need of work, reduce power consumption as much as possible, also reduce the temperature rise of coil and Electrical heads simultaneously.
Electric current in the described coil reduces to realize by described Electrical heads control circuit.Can be provided with the regulating part that is used to regulate its output valve in the described Electrical heads control circuit,, change the size of control circuit output, and then change the size of coil current by the action of described regulating part.Therefore, can adopt any one the suitable circuit that can regulate or change output valve as control circuit of the present invention according to prior art.
For example, described Electrical heads control circuit can adopt bridge rectifier, and this moment, described regulating part was the on-off switch 14 that is arranged on the one brachium pontis; Also can adopt to be provided with adjustable element such as transformer or the rheostatic circuit that is used to regulate the control circuit output valve, this moment, described regulating part was described adjustable element; Perhaps can adopt to be provided with to be used to regulate the microprocessor of control circuit output valve or the circuit of chip, this moment, described regulating part was described microprocessor or chip; Can also adopt the circuit that is provided with two or more branch roads, the output valve difference of each branch road, and by the on-off switch on the branch road (on-off switch on each branch road should move according to certain rules, the output that realizes each branch road is switched) or connect the diverter switch of each branch road, this moment, described regulating part was exactly for being separately positioned on a plurality of on-off switches on each branch road or being connected the diverter switch that also can switch each branch road on off operating mode between each branch road and the major loop, being implemented in thus under the different conditions and exporting by different branch roads.
Among the embodiment shown in Figure 3, the Electrical heads control circuit adopts bridge rectifier, and an one brachium pontis is provided with the on-off switch as regulating part, and the course of work of described energy-saving electromagnetic head is: press described releasing the button (connection external power supply), regulating part is connected, described coil electricity.Input voltage is when positive half period that is in voltage waveform and negative half-cycle, the brachium pontis of described bridge rectifier all can constitute the loop, the voltage effective value of output is 0.9 times of input voltage effective value according to the operating characteristic of bridge rectifier, when input voltage is the alternating current of 220V, output commutating voltage effective value is 198V.After the energising through certain hour or when Electrical heads is in certain operating state, described regulating part disconnects, described bridge rectifier only has two brachium pontis wherein to constitute the loop, and has only just conducting of this loop when the voltage waveform of input voltage is in positive half period or negative half-cycle, its rectification effect is equivalent to halfwave rectifier, the voltage effective value of output is half of bridge rectifier output voltage effective value, promptly when input voltage was the 220V alternating current, the effective value of exporting to the voltage of described coil became 99V.When not needing Electrical heads work, press described X button, described Electrical heads control circuit outage, for avoiding the rectifying tube in the rectification circuit to be punctured by the reverse voltage of described coil in the outage abrupt release, can be at fly-wheel diode of described coil two ends reverse parallel connection, the inverse electromotive force of described coil discharges gradually, and described moving iron core resets simultaneously.
The circuit of forming by two or more branch roads when the Electrical heads control circuit, and be connected with on-off switch on a certain or each branch road, when perhaps each branch road links to each other with major loop by diverter switch, the course of work of described energy-saving electromagnetic head is: press described releasing the button, Electrical heads is started working, on-off switch and/or diverter switch on each branch road of this moment are in certain switch combination state, wherein a certain branch road is connected, other branch roads disconnect, thus the output valve of this Electrical heads control circuit output valve that the branch road connected is determined of promptly serving as reasons.When Electrical heads is started working, cooperatively interacting or pass through diverter switch by each on-off switch, the bigger branch road of output valve is connected, the branch road of less output valve disconnects, so that in coil, form bigger electric current, in Electrical heads after the adhesive of sound iron core, the less branch road of output valve is connected, the branch road of big output valve disconnects, so that in coil, form less current, when being provided with three or when surpassing three branch roads, can connect each branch road successively according to the size of output valve, other branch roads disconnect, make the descending variation step by step of electric current in the coil thus, also can make on-off switch and/or diverter switch on each branch road be in certain switch combination state earlier, for example make a plurality of branch roads insert the Electrical heads control circuit simultaneously, the exportable big electric current that can make fixed core and moving adhesive unshakable in one's determination, and the suction of corresponding generation can satisfy the suction requirement of working on the working gas gap of living at that time position, through certain hour or when Electrical heads is in certain operating state, when controlling described on-off switch and/or diverter switch and being in another kind of switch combination state, for example reduce the way of the branch road that inserts the Electrical heads control circuit simultaneously, the exportable little electric current that can make fixed core and moving iron core keep attracting state, both satisfy the requirement of work suction, reached energy-conservation effect again.
Described Electrical heads control circuit can also adopt the single loop circuit that is provided with adjustable element or be provided with microprocessor or the circuit of chip, can directly regulate the size that described Electrical heads control circuit is exported to the electric current of described coil by described adjustable element, described adjustable element can adopt adjustable resistance, rheostat, variable inductor or transformer or the like.When employing is provided with the circuit of the microprocessor that is used to regulate the control circuit output valve or chip, in described microprocessor or chip, import fixed routine by programming, make described microprocessor or intelligent chip by described fixed routine, according to the real-time working situation of Electrical heads, control the size of current that described Electrical heads control circuit is exported to described coil.
Wherein two or more combination of above-mentioned various forms of regulating parts also can be used to control the output of described Electrical heads control circuit, thereby be implemented in the different electrical quantity of employing under the different operating states, produce different electromagnetic attractions, to reach the spent minimum effect of electric energy under the prerequisite that guarantees job requirement suction.
Described on-off switch and/or diverter switch can be electric-controlled switch or the position of moving iron core that is subjected to described Electrical heads main body or other movable part on the valve or the mechanical switch of being controlled by the signal of telecommunication or internal processes of action control.
Described electric-controlled switch can be the time relay, be provided with the relay of transducer or contactor or by the electric-controlled switch of microprocessor control and/or by the electric-controlled switch of chip controls.
In embodiment illustrated in fig. 4, described Electrical heads control circuit adopts bridge rectifier, an one brachium pontis is provided with the time relay as regulating part (on-off switch), the course of work of described energy-saving electromagnetic head is: press described releasing the button, time relay ST, contactor C and 1C energising, C and 1C normally open contact are connected, described on-off switch closure, described Electrical heads control circuit constitutes bridge rectifier, and the voltage of circuit output is higher, and described coil is worked under high voltage, through described moving after the regular hour, the static iron core adhesive, the time relay disconnected ST according to the time of setting, and the 1C contactor disconnects, and the 1C normally open contact disconnects, described bridge rectifier only has two brachium pontis wherein to constitute the loop, form the half-bridge rectification, it is only about half of that voltage output is reduced, and coil is worked under low voltage.When not needing Electrical heads work, press described X button, described Electrical heads control circuit outage.
When described electric-controlled switch is when being provided with the relay of transducer or contactor, described relay or contactor are connected with described transducer by ON-OFF control circuit, and described ON-OFF control circuit is controlled the relevant relay or the action or the state of contactor according to the transducing signal of described transducer.Described transducer can be the position transducer that is used to gather the position signalling that moves iron core or other movable parts of valve, gather the range sensor of gap signal between moving iron core and the static iron core, the pressure sensor of pressure signal during adhesive between displacement transducer or moving iron core and static iron core, gather in the valve pocket of valve or the transducer of pressure medium signal in the fluid line that valve connected or flow velocity signal or gather the transducer or the like of the coil temperature signal of described Electrical heads body temperature signal or described Electrical heads main body, a transducer can be set usually, also a plurality of transducers can be set, as long as certain parameter valve value behind value and the valve opening of (or before opening) when opening is obviously different, just can send into ON-OFF control circuit as Control Parameter by this parameter information of corresponding sensor acquisition.Owing to adopt the transducer of different parameters or information, the physical quantity difference of gathering just, corresponding transducer that the position is set is also different, but its principle is identical.When sensor acquisition arrives certain physics quantitative change, be reflected as the variation of the corresponding electric signal of ON-OFF control circuit reception, when this variation reaches certain value, make the output of on-off controller change, and then described on-off switch and/or diverter switch are moved, thereby realize the change of the on off operating mode of Electrical heads control circuit branch road, making before the change is that Electrical heads is exported to the big electric current of described coil when starting working, and is to export to the little electric current of described coil in the operate as normal after the change.
Referring to Fig. 5, when the condition that changes with the coil temperature of Electrical heads as the conversion of energy-saving electromagnetic head control circuit output parameter, select temperature sensor 17 for use, and this temperature sensor is arranged on the edge of tested coil.Press described releasing the button, circuit is connected, described dynamic and static iron core adhesive action, the temperature of coil raises gradually, when coil temperature reached certain predetermined value, the signal of telecommunication of delivering to ON-OFF control circuit by described temperature sensor also reached certain value, and this signal of telecommunication will impel the output of described ON-OFF control circuit to change, thereby change the output valve of Electrical heads control circuit, realize flowing through in the control coil purpose of size of current with this.
Referring to Fig. 6, when with the change in location of described moving iron core during as the condition of energy-saving electromagnetic head control circuit output parameter conversion, preferred site transducer 18, and in the sensing chamber that this position transducer is arranged in the iron core passage or draws from the iron core channel side wall, can be arranged on moving iron core and static iron core adhesive place along moving iron core movement locus, also can be arranged on certain preceding working gas gap position of dynamic and static iron core adhesive, specifically decide according to the design needs.Press described releasing the button, circuit is connected, described dynamic and static iron core adhesive action, when described moving iron core moves to the position transducer present position, the trigger position transducer sends signal to ON-OFF control circuit, this signal of telecommunication will impel described ON-OFF control circuit to change output valve, thereby change the output valve of Electrical heads control circuit, realize flowing through in the control coil purpose of size of current with this.Situation when selecting range sensor, displacement transducer with the variation of moving gap between iron core and the static iron core for use as Electrical heads control circuit output parameter conversion condition is similar when adopting position transducer together.
In like manner, but on the end face that adopts pressure sensor was in contact with one another when being arranged on dynamic and static iron core attracting state, with the variation of adhesive pressure between dynamic and static iron core condition as the conversion of energy-saving electromagnetic head control circuit output parameter; Can adopt fluid pressure sensor or rate of flow of fluid transducer to be arranged in tested valve pocket or the fluid line, be used in the perception valve pocket or pressure medium signal or flow velocity signal in the fluid line, because the variation of medium state exerts an influence to the Electrical heads operating state, this mode is equivalent to the change of pressure medium or the flow velocity condition as the conversion of energy-saving electromagnetic head control circuit output parameter.
Among Fig. 7 and the embodiment shown in Figure 8, described on-off switch and/or diverter switch be subjected to iron core or with the valve of moving iron core interlock on the position of other movable parts or the mechanical switch of action control, described mechanical switch can be a travel switch, control the state of described on-off switch and/or diverter switch thus according to the location status of moving iron core or other movable parts, because the position of moving iron core or other movable parts also is different under the different operating state of Electrical heads, therefore can control the state of described on-off switch and/or diverter switch by this control mode, the output valve of control circuit is bigger when making Electrical heads start or in the start-up course, after moving iron core and static iron core adhesive, the output valve of control circuit is less.
Other movable parts (for example between the valve rod) on the valve of described mechanical switch and described moving iron core or together moving iron core interlock are realized transmission by mechanical driving device, and described mechanical driving device can be rod gear or spring gear.
The main components of described rod gear is a lever 19, and an end of described lever is the action output, interact with movable part in the mechanical switch so that by push away, mode such as pressure drives the movable part action in the mechanical switch.The other end of described lever is the action input, be provided with transmission contact 15, the position of described transmission contact can be arranged on the position (position on as the tracks of valve rod under valve opening state) that other movable parts (comprising the movable part of installing on the valve body) of position (for example described moving iron core and static iron core adhesive place) that moving iron core can touch or valve rod etc. and moving iron core interlock can touch when moving iron core and static iron core adhesive with the static iron core adhesive time, moving iron core or other valve movable parts will be by pushing away when promptly moving iron core and static iron core adhesive, modes such as pressure make this transmission contact action, and then the action output that drives lever moves, suitably design the structure and the fit system of each several part, just can touch the movable part of mechanical switch when making the action output action of lever, change the state of this mechanical switch, make the output valve of control circuit less.
For example, when described transmission contact can be arranged on adhesive place of described moving iron core and static iron core, when the described iron core passage motion of described moving iron core in the effect lower edge of electromagnetic induction, to with described static iron core adhesive the time, touch described transmission contact, gearing by described lever, drive described mechanical switch break-make, thereby change the output of described Electrical heads control circuit, end-of-job, described moving iron core resets, and touches described transmission contact, drive described lever and reset (also can realize described resetting by modes such as back-moving spring are set), the gearing by described lever makes described mechanical switch reply init state.When described transmission contact also can be arranged in the described iron core passage, when the described iron core passage motion of described moving iron core in the effect lower edge of electromagnetic induction, when moving to certain position, touches described moving iron core described transmission contact, gearing by described lever, drive described mechanical switch break-make, thereby change the output of described Electrical heads control circuit, end-of-job, described moving iron core resets, touch described transmission contact, drive described lever and reset, the gearing by described lever makes described mechanical switch reply init state; When described transmission contact is arranged on the tracks of other movable part on the valve of described moving iron core interlock, when the described iron core passage motion of described moving iron core in the effect lower edge of electromagnetic induction, drive described other movable part motions, when described moving iron core moves to certain position, described other movable part touches described transmission contact, gearing by described lever, drive described mechanical switch break-make, thereby change the output of described Electrical heads control circuit, end-of-job, described moving iron core resets, and touches described transmission contact, drive described lever and reset, the gearing by described lever makes described mechanical switch reply init state.
The chief component of described spring gear is a spring 20, one end of described spring is the action output, be arranged on the movable part place that being used in the mechanical switch realize switch on and off, cooperate with this movable part and drive this movable part action by certain mode, the other end of described spring is the action input, be provided with spring tensioning member 16, described spring tensioning member is arranged on moving iron core and static iron core adhesive place, perhaps be arranged on moving iron core or the tracks, in the iron core passage with other movable parts on the valve of moving iron core interlock such as valve rod.The action output of described spring can with described mechanical switch in be used to realize that the movable part elasticity of switch on and off is connected, the other end of described spring is connected with described spring tensioning member elasticity.
Specifically, when moving iron core moves to position with the static iron core adhesive, or moving iron core is when the iron core passage moves to certain position, or with other movable part on the valve of moving iron core interlock such as valve rod when its tracks moves to certain position, shake-up is arranged on the spring tensioning member at this place, utilize the break-make of the elastic webbing motivation tool switch of spring, thereby change the output of described Electrical heads control circuit, end-of-job, described moving iron core resets, touch described spring tensioning member, make described spring reply initial condition, drive described mechanical switch and reply init state.
Energy-saving electromagnetic head controlling method of the present invention is that the size of current of electric current when valve starts and during operate as normal (steady-working state) of controlling described Electrical heads coil by described Electrical heads control circuit do not wait, electric current when Electrical heads starts in the described coil is big electric current, after described moving iron core and described static iron core adhesive or described working gas gap when reaching the normal operating conditions of certain value the electric current in the described coil be little electric current, described big electric current can be a transfer process or directly be converted to little electric current or be converted to little electric current step by step by some intermediate currents by described big electric current gradually to the transfer process of described little electric current.
The core of the method is the Electrical heads control circuit and goes up the regulating part that is used to regulate its output valve that is provided with.Described Electrical heads control circuit can adopt bridge rectifier, and this moment, described regulating part can be arranged on the on-off switch on the one brachium pontis; Described Electrical heads control circuit also can adopt the circuit that is provided with the adjustable element that is used to regulate the control circuit output valve, and described regulating part is described adjustable element; Described Electrical heads control circuit also can adopt to be provided with and be used to regulate the microprocessor of control circuit output valve or the circuit of chip, and described regulating part is described microprocessor or chip; Described Electrical heads control circuit can also adopt the circuit that is provided with two or more branch roads, and described regulating part is to be separately positioned on a plurality of on-off switches on each branch road or to connect each branch road and switch the diverter switch of each branch road on off operating mode.The actual circuit that adopts can be the combinational circuit of above-mentioned various circuit.
The key component of the conversion of realization from big electric current to little electric current is the regulating part the various circuit.These regulating parts are that on-off switch and/or diverter switch can be by the electric-controlled switch of the signal of telecommunication or internal processes control or be subjected to moving iron core or the position of other movable part on the valve or the mechanical switch of action control of described Electrical heads main body, and the action of these switches can be that the automatic control of switch condition realizes by simple time control, simple machinery control or with the physical quantity corresponding to the Electrical heads operating state.When being switch condition with physical quantity corresponding to the Electrical heads operating state, described electric-controlled switch can be relay or the contactor that is provided with transducer, described relay or contactor are connected with described transducer by ON-OFF control circuit, described ON-OFF control circuit is controlled the relevant on-off switch and/or the action or the state of diverter switch according to the transducing signal of described transducer, described transducer can be a position transducer of gathering moving iron core or other movable part position signallings of valve, the range sensor or the pressure sensor of gap signal or pressure signal between moving iron core of collection and the static iron core, gather the pressure medium signal that valve pocket is interior or fluid line is interior of valve or the pressure or the flow sensor of flow velocity signal, perhaps gather the temperature sensor of the coil temperature signal of Electrical heads body temperature signal or Electrical heads main body.Described mechanical switch is by mechanical driving device the be in transmission connection moving iron core of described Electrical heads main body or the valve rod of valve, described mechanical driving device can be rod gear or spring gear, when the stem movement of the moving iron core of described Electrical heads main body or valve, can control described mechanical switch action by the transmission of described rod gear and spring gear.
Claims (10)
1. energy-saving electromagnetic head, comprise Electrical heads main body and Electrical heads control circuit, the output of described Electrical heads control circuit is connected with coil in the described Electrical heads main body by lead, it is characterized in that described Electrical heads control circuit is the control circuit that can change size of current in the described coil according to the real-time working situation of described Electrical heads main body.
2. energy-saving electromagnetic head as claimed in claim 1 is characterized in that described Electrical heads control circuit is provided with the regulating part that is used to regulate its output valve.
3. energy-saving electromagnetic head as claimed in claim 2, it is characterized in that described Electrical heads control circuit adopts following any circuit: (1) bridge rectifier, described regulating part are the on-off switch that is arranged on the one brachium pontis; (2) be provided with the Electrical heads control circuit of the adjustable element that is used for the regulating circuit output valve, described regulating part is described adjustable element; (3) be provided with the microprocessor that is used for the regulating circuit output valve or the Electrical heads control circuit of chip, described regulating part is described microprocessor or chip; (4) be provided with the circuit of two or more branch roads, the output valve difference of different branch, described regulating part is the diverter switch that is used to switch each branch road on off operating mode that is separately positioned on a plurality of on-off switches on each branch road or connects each branch road.
4. energy-saving electromagnetic head as claimed in claim 3 is characterized in that described on-off switch and/or diverter switch electric-controlled switch or the position of moving iron core that is subjected to described Electrical heads main body or other movable part on the valve or the mechanical switch of action control for being controlled by the signal of telecommunication or internal processes.
5. energy-saving electromagnetic head as claimed in claim 4, it is characterized in that described electric-controlled switch is the time relay, is provided with the relay of transducer or contactor or by the electric-controlled switch of microprocessor control and/or by the electric-controlled switch of chip controls, described mechanical switch is a travel switch.
6. energy-saving electromagnetic head as claimed in claim 5, it is characterized in that described relay or the contactor that is provided with transducer is provided with ON-OFF control circuit, described transducer connects described ON-OFF control circuit, and described ON-OFF control circuit is according to the relevant on-off switch of transducing signal control of described transducer and/or the action or the state of diverter switch.
7. energy-saving electromagnetic head as claimed in claim 6, it is characterized in that described transducer be gap signal or pressure signal between the transducer of the moving iron core of the described Electrical heads main body of collection or other movable part position signallings of valve, the moving iron core of gathering described Electrical heads main body and the static iron core transducer, gather in the valve pocket of valve or the transducer of pressure medium signal in the fluid line that valve connected or flow velocity signal or gather the transducer of the coil temperature signal of described Electrical heads body temperature signal or described Electrical heads main body.
8. energy-saving electromagnetic head as claimed in claim 4, it is characterized in that described mechanical switch is by mechanical driving device the be in transmission connection moving iron core of described Electrical heads main body or the valve rod of valve, described mechanical driving device is rod gear or spring gear, the action output of described rod gear connects the movable part that is used to realize switch on and off in the described mechanical switch, the action input is provided with the transmission contact, described transmission contact is positioned on the tracks of described moving iron core and adhesive place of described static iron core or described moving iron core or valve rod, the action output of described spring gear connects the movable part that is used to realize switch on and off in the described mechanical switch, the action input is provided with the spring tensioning member, and described spring tensioning member is arranged on the tracks of described moving iron core and adhesive place of described static iron core or described moving iron core or valve rod.
9. energy-saving electromagnetic head controlling method, it is characterized in that it being the size of current of controlling the coil of Electrical heads main body by the Electrical heads control circuit, electric current when Electrical heads starts in the described coil is big electric current, after described moving iron core and described static iron core adhesive or described working gas gap reach that the electric current in the described coil is little electric current under the normal operating conditions of certain value or the steady-working state, described big electric current to the transfer process of described little electric current be one gradually transfer process or directly be converted to little electric current or be converted to little electric current step by step by described big electric current by some intermediate currents.
10. energy-saving electromagnetic head controlling method as claimed in claim 9 is characterized in that described Electrical heads control circuit is provided with the regulating part that is used to regulate its output valve, and described Electrical heads control circuit adopts following any circuit:
(1) bridge rectifier, described regulating part are the on-off switch that is arranged on the one brachium pontis;
(2) be provided with the Electrical heads control circuit of the adjustable element that is used for the regulating circuit output valve, described regulating part is described adjustable element;
(3) be provided with the microprocessor that is used for the regulating circuit output valve or the Electrical heads control circuit of chip, described regulating part is described microprocessor or chip;
(4) be provided with the circuit of two or more branch roads, the output valve difference of different branch, described regulating part is the diverter switch that is used to switch each branch road on off operating mode that is separately positioned on a plurality of on-off switches on each branch road or connects each branch road,
Described on-off switch and/or diverter switch electric-controlled switch or the position of moving iron core that is subjected to described Electrical heads main body or other movable part on the valve or the mechanical switch of action control for controlling by the signal of telecommunication or internal processes, described electric-controlled switch is the time relay, be provided with the relay or the contactor of transducer, by the electric-controlled switch of microprocessor control and/or by the electric-controlled switch of chip controls, described mechanical switch is a travel switch or by mechanical driving device the be in transmission connection moving iron core of described Electrical heads main body or the valve rod of valve, described relay or the contactor that is provided with transducer is provided with ON-OFF control circuit, described transducer connects described ON-OFF control circuit, and described ON-OFF control circuit is according to the relevant on-off switch of transducing signal control of described transducer and/or the action or the state of diverter switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910169375 CN101656136B (en) | 2009-04-29 | 2009-08-27 | Energy saving magnetic head and control method thereof |
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| CN200910138537 | 2009-04-29 | ||
| CN200910138537.3 | 2009-04-29 | ||
| CN 200910169375 CN101656136B (en) | 2009-04-29 | 2009-08-27 | Energy saving magnetic head and control method thereof |
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| CN101656136A true CN101656136A (en) | 2010-02-24 |
| CN101656136B CN101656136B (en) | 2013-02-27 |
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| CN102182859A (en) * | 2011-05-11 | 2011-09-14 | 陈国顺 | Electric-keeping type electric/electromagnetic dual-purpose electromagnetic head |
| CN104989859A (en) * | 2015-06-26 | 2015-10-21 | 江苏永钢集团有限公司 | Intermediate relay protection device in electromagnetic valve control circuit |
| CN106129974A (en) * | 2016-07-10 | 2016-11-16 | 中山市厚源电子科技有限公司 | A kind of automation equipment of relay protection of power system |
| CN106594360A (en) * | 2017-03-03 | 2017-04-26 | 上海巨良电磁阀制造有限公司 | Low-temperature-rise and low-power energy-saving coil |
| CN106653481A (en) * | 2016-10-12 | 2017-05-10 | 西安石油大学 | AC contactor with energy-saving device |
| CN109058574A (en) * | 2018-08-30 | 2018-12-21 | 宁波奕力电磁技术有限公司 | The control method of low-power consumption electromagnetic valve with location status monitoring |
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| JPS62147311U (en) * | 1985-10-31 | 1987-09-17 | ||
| CN86206031U (en) * | 1986-08-20 | 1987-10-03 | 张家政 | High-efficiency power-saving controller for electromagnet |
| CN1056182A (en) * | 1991-04-02 | 1991-11-13 | 高海 | Highly efficient power saving electromagnetic mechanism |
| CN2196813Y (en) * | 1994-10-10 | 1995-05-10 | 金国钜 | Durable D.C braking electromagnet |
| CN201160023Y (en) * | 2007-11-29 | 2008-12-03 | 梁宝生 | Synchronizing pulse duration modulation AC electromagnet controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102182859A (en) * | 2011-05-11 | 2011-09-14 | 陈国顺 | Electric-keeping type electric/electromagnetic dual-purpose electromagnetic head |
| CN104989859A (en) * | 2015-06-26 | 2015-10-21 | 江苏永钢集团有限公司 | Intermediate relay protection device in electromagnetic valve control circuit |
| CN106129974A (en) * | 2016-07-10 | 2016-11-16 | 中山市厚源电子科技有限公司 | A kind of automation equipment of relay protection of power system |
| CN106653481A (en) * | 2016-10-12 | 2017-05-10 | 西安石油大学 | AC contactor with energy-saving device |
| CN106594360A (en) * | 2017-03-03 | 2017-04-26 | 上海巨良电磁阀制造有限公司 | Low-temperature-rise and low-power energy-saving coil |
| CN111527578A (en) * | 2018-01-22 | 2020-08-11 | 欧姆龙株式会社 | Electromagnetic relay and terminal block |
| CN109058574A (en) * | 2018-08-30 | 2018-12-21 | 宁波奕力电磁技术有限公司 | The control method of low-power consumption electromagnetic valve with location status monitoring |
| CN110993439A (en) * | 2019-12-11 | 2020-04-10 | 珠海格力电器股份有限公司 | Electromagnetic switch control device and method capable of realizing energy-saving control and electrical equipment |
| CN110993439B (en) * | 2019-12-11 | 2020-11-27 | 珠海格力电器股份有限公司 | Electromagnetic switch control device and method capable of realizing energy-saving control and electrical equipment |
| CN115083841A (en) * | 2022-06-28 | 2022-09-20 | 浙江百事宝电器股份有限公司 | Three-phase four-wire alternating current contactor with auxiliary switch |
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