CN202334405U - Electronic circuit for starting of motor of minitype refrigeration compressor - Google Patents
Electronic circuit for starting of motor of minitype refrigeration compressor Download PDFInfo
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- CN202334405U CN202334405U CN2011201207398U CN201120120739U CN202334405U CN 202334405 U CN202334405 U CN 202334405U CN 2011201207398 U CN2011201207398 U CN 2011201207398U CN 201120120739 U CN201120120739 U CN 201120120739U CN 202334405 U CN202334405 U CN 202334405U
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Abstract
The utility model discloses an electronic circuit for the starting of a motor of a minitype refrigeration compressor, which comprises a bidirectional controllable thyristor T and a trigger circuit of the controllable thyristor T, wherein the bidirectional controllable thyristor T is connected with a starting winding in series; at the starting moment of the motor of the compressor, starting current far greater than the normal operation current is generated, thus a greater voltage drop is generated on a heating wire of an overload protector of the motor of the compressor. The voltage drop is utilized for the utility model to provide a power supply for the trigger circuit of the bidirectional controllable thyristor T, after the voltage drop passes through a rectifying filter, a direct-current power supply is obtained, the direct-current power supply is provided for a timing circuit and a switch circuit, a trigger impulse is generated through the timing circuit for the switch circuit, further the controllable thyristor T is driven to be conducted, the starting winding is electrified, and the motor begins to be started; the time for being electrified for the starting winding is determined by the timing circuit; and the power consumption of the electronic circuit is very small after the motor is started, and the circuit is very concise, stable and reliable.
Description
Technical field
The present invention relates to a kind of electronic circuit that is used for the mini-type refrigeration compressor electric motor starting.
Background technology
The mini-type refrigeration compressor motor generally has two windings, and one is main winding, and another is the starting winding.The starting winding works when electric motor starting, and behind electric motor starting, needs to realize breaking off, and main winding is used to realize steady operation.
Use morely to be thermistor (PTC) element that adopts positive temperature characterisitic to realize (the seeing Figure 11) that starts at present; This thermistor element is connected with the starting windings in series; At room temperature have very little resistance, therefore during starts can allow bigger electric current to pass through; After having spent one period scheduled time, because the thermal effect of himself, it is very big that its resistance value will become, and broken off the starting winding thereby be equivalent to.When motor operation just often, the voltage on this thermistor element is very high, causes it to remain at hot state, therefore will consume 1.5 to 5 watts or higher power, concrete numerical value depends on version and room temperature just.Like this, by the power of this thermistor consumption efficiency of motor will be descended at whole motor run duration.This is that we are undesirable.
Chinese patent CN1052228A discloses a kind of start-up program that does not have power consumption, and this scheme can realize " no power consumption " behind electric motor starting, but this scheme is too complicated, causes cost high, and reliability reduces.
Chinese patent numbers 200610148099.5 discloses a kind of a kind of electronic installation that is used for single phase AC electric motor starting; Though this device is simple; But in this scheme; The starting winding is not through the current detecting unit of overload protective device, just in case the thyristor punch through damage, overload protective device does not have protective effect.
Chinese patent CN201541222U discloses the scheme of another kind of single phase AC electric motor starting; Though this scheme has overcome the deficiency of Chinese patent number 200610148099.5 disclosed schemes; But this scheme has produced new power consumption, can not realize " no power consumption ".
Summary of the invention
The electronic circuit of starting device that the purpose of this invention is to provide the single phase alternating current (A.C.) induction machine (particularly mini-type refrigeration compressor motor) of a kind of " no power consumption ", simple and high reliability.This starting device both can start the not motor of tape running capacitor, also can start the motor of tape running capacitor; It can also be used to start the single phase induction motor that uses with operation capacitor, start capapcitor or any other and the impedance (comprising the PTC element) of starting windings in series.
Above-mentioned purpose of the present invention is to be realized by a kind of electronic circuit that is used to start the single phase alternating current (A.C.) induction machine of band overload protective device.Above-mentioned motor has the stator of at least one main winding and one starting winding, the electric power loop overload protective device of having connected.An operation capacitor that is connected with above-mentioned starting windings in series can be arranged.
The operation principle of electronic circuit of the present invention is such: very big through the electric current of main winding when the moment of motor M T energized; Generally can reach 5～10 times of rated operational current even higher; Big like this electric current can produce a bigger pressure drop when the heating wire through the compressor electric motor overload protective device; We utilize this pressure drop to drive and control controllable silicon as power supply, thereby realize turning on and off the starting winding, and then reach the purpose that realizes electric motor starting.
The present invention is achieved in that the electronic circuit (Fig. 1) of described starting device comprises: a bidirectional triode thyristor (T), and the A1 utmost point of this controllable silicon (T) is connected with the heating wire exit J1 of the main winding of compressor electric motor and compressor electric motor overload protective device; Also (C1 is R3) with power circuit (D1, a C2 with a timing circuit for the A1 utmost point of this controllable silicon (T); R4) be connected, the A2 utmost point of this controllable silicon (T) links to each other with starting winding S, is connected across between the A1 utmost point and the A2 utmost point of this controllable silicon (T) after also having an operation capacitor C and a resistor R being connected; (R1, R2 Q1) link to each other for the trigger end G of this controllable silicon (T) and a switching circuit; This switching circuit (R1; R2, (C1 R3) links to each other Q1) control end and above-mentioned timing circuit to be arranged.
Above-mentioned power circuit (D1; C2 R4) comprises rectifier diode D1, the second capacitor C2 and the 4th resistor R 4, and wherein the link J2 of the heating wire of the bimetal release of the negative pole of rectifier diode D1 and compressor electric motor overload protective device and series connection links to each other; The positive pole of rectifier diode D1 links to each other with the negative pole of the second capacitor C2 and an end of the 4th resistor R 4; This link is power circuit (D1, C2, negative terminal R4) just; The positive pole of the second capacitor C2 extremely links to each other with the A1 of controllable silicon (T) with the 4th resistor R 4 other ends and is connected with the heating wire exit J1 of compressor electric motor overload protective device, the just described power circuit of this link (D1, C2, anode R4).
(R1, R2 Q1) comprise first resistor R 1, second resistor R 2 and N-MOS pipe Q1 to switching circuit wherein, and an end of first resistor R 1 links to each other with the trigger end G of controllable silicon (T), and the D that the other end and N-MOS manage Q1 holds and links to each other; (negative terminal R4) links to each other the S end of N-MOS pipe Q1 for D1, C2, and the G end of N-MOS pipe Q1 links to each other with an end of second resistor R 2, and (C1 R3) links to each other for the other end of second resistor R 2 and timing circuit with above-mentioned power circuit.
Timing circuit (C1 wherein; R3) comprise the first capacitor C1 and the 3rd resistor R 3; The end of the first capacitor C1 extremely links to each other with the A1 of controllable silicon (T), and the other end links to each other the other end of the 3rd resistor R 3 and power circuit (D1 with an end of the 3rd resistor R 3 and the other end of second resistor R 2; C2, negative terminal R4) links to each other.
Its operation principle of above-mentioned electronic circuit is such: very big through the electric current of main winding when the moment of motor M T energized; On the heating wire H of motor overload protector, can produce one like this and exchange pressure drop; This obtains a direct voltage after exchanging pressure drop process rectifier diode D1 rectification and capacitor C 2 filtering on capacitor C 2, this direct voltage is through capacitor C 1 and resistance R 2 driving N-metal-oxide-semiconductor Q1 conducting, because the conducting of Q1; Above-mentioned direct voltage is via A1, G and the R1 of controllable silicon (T) and Q1 and constitute the conducting loop; Thereby controllable silicon (T) conducting, the starting winding gets electric, and then motor M T starts working.Because the existence of resistance R 3, the voltage on the capacitor C 1 can be more and more near the voltage on the capacitor C 2, in other words; Voltage on the resistance R 3 can be more and more littler; That is the G pole tension of N-MOS pipe Q1 is more and more littler, and Q1 turn-offs until the N-MOS pipe, thereby has accomplished a complete starting process.Be not difficult to find out that from above-mentioned electronic circuit the ON time of controllable silicon (T) depends on the time constant that capacitor C 1 and resistance R 3 are formed, through changing the ON time that C1 or R3 just can adjust controllable silicon (T).
More than be preferred circuit of the present invention, the present invention also is easy to derive the different circuits form certainly.
In Fig. 1, change Q1 into the NPN triode; All the other constant (Fig. 2) that is to say, switching circuit (R1 wherein; R2; Q1) comprise first resistor R 1, second resistor R 2 and NPN transistor Q1, an end of first resistor R 1 links to each other with the trigger end G of controllable silicon (T), and the other end links to each other with the collector electrode of NPN transistor Q1; (negative terminal R4) links to each other for D1, C2, and the base stage of NPN transistor Q1 links to each other with an end of second resistor R 2, and (C1 R3) links to each other for the other end of second resistor R 2 and timing circuit for the emitter of NPN transistor Q1 and above-mentioned power circuit.Function and Fig. 1 that the circuit that obtains like this (Fig. 2) is realized are identical.
We also can change N-MOS pipe into P-MOS pipe (Fig. 3) in Fig. 1, in its circuit form except switching circuit (R1, R2; Q1) slightly different outer all the other are identical, switching circuit wherein (R1, R2; Q1) comprise first resistor R 1, second resistor R 2 and P-MOS pipe Q1, the trigger end G of an end of first resistor R 1 and controllable silicon (T) and the D of P-MOS pipe Q1 hold and link to each other the other end of first resistor R 1 and above-mentioned power circuit (D1; C2; R4) negative terminal links to each other, and the G end of P-MOS pipe Q1 links to each other the other end of second resistor R 2 and timing circuit (C1 with an end of second resistor R 2; R3) link to each other, the S end of P-MOS pipe Q1 extremely links to each other with the A1 of above-mentioned controllable silicon (T).The function that the circuit that obtains like this (Fig. 3) is realized is identical with Fig. 1.
We can also change the pipe of the P-MOS among Fig. 3 into PNP transistor (Fig. 4), switching circuit wherein (R1, R2; Q1) comprise first resistor R 1, second resistor R 2 and PNP transistor Q1, an end of first resistor R 1 links to each other the other end of first resistor R 1 and above-mentioned power circuit (D1 with the trigger end G of controllable silicon (T) and the collector electrode of PNP transistor Q1; C2; R4) negative terminal links to each other, and the base stage of PNP transistor Q1 links to each other with an end of second resistor R 2, the other end of second resistor R 2 and timing circuit (C1; R3) link to each other, the emitter of PNP transistor Q1 extremely links to each other with the A1 of above-mentioned controllable silicon (T).The function that the circuit that obtains like this (Fig. 4) is realized is identical with Fig. 1.
We can also change N-MOS pipe into P-MOS pipe (Fig. 5) in Fig. 1, and switching circuit in its circuit form (R1, R2, Q1) and timing circuit (C1; R3) all slightly different, switching circuit wherein (R1, R2; Q1) comprise first resistor R 1, second resistor R 2 and P-MOS pipe Q1, an end of first resistor R 1 links to each other the other end of first resistor R 1 and above-mentioned power circuit (D1 with the D end of P-MOS pipe Q1; C2, negative terminal R4) links to each other, and the G end of P-MOS pipe Q1 links to each other with an end of second resistor R 2; (C1 R3) links to each other, and the S end of P-MOS pipe Q1 extremely links to each other with the G of above-mentioned controllable silicon (T) for the other end of second resistor R 2 and timing circuit; Timing circuit (C1 wherein; R3) comprise the first capacitor C1 and the 3rd resistor R 3; (negative terminal R4) links to each other for D1, C2 for the end of the first capacitor C1 and above-mentioned power circuit; The other end of the first capacitor C1 links to each other with an end of the 3rd resistor R 3 and the other end of second resistor R 2, and the other end of the 3rd resistor R 3 extremely links to each other with the A1 of above-mentioned controllable silicon (T).The function that the circuit that obtains like this (Fig. 5) is realized is identical with Fig. 1.
We also can change the P-MOS pipe into PNP transistor (Fig. 6) in Fig. 5, and all the other are constant.(R1, R2 Q1) comprise first resistor R 1, second resistor R 2 and PNP transistor Q1 to switching circuit wherein; One end of first resistor R 1 links to each other with the collector electrode of PNP transistor Q1; (negative terminal R4) links to each other for D1, C2 for the other end of first resistor R 1 and above-mentioned power circuit; The base stage of PNP transistor Q1 links to each other with an end of second resistor R 2; (C1 R3) links to each other, and the emitter of PNP transistor Q1 extremely links to each other with the G of above-mentioned controllable silicon (T) for the other end of second resistor R 2 and timing circuit.The function that the circuit that obtains like this (Fig. 6) is realized is identical with Fig. 1.
We can also change P-MOS pipe into N-MOS pipe (Fig. 7) in Fig. 5, in its circuit form except switching circuit (R1, R2; Q1) slightly different outer all the other are identical, switching circuit wherein (R1, R2; Q1) comprise first resistor R 1, second resistor R 2 and N-MOS pipe Q1, the trigger end G of an end of first resistor R 1 and controllable silicon (T) and the S of N-MOS pipe Q1 hold and link to each other the other end of first resistor R 1 and above-mentioned power circuit (D1; C2; R4) negative terminal links to each other, and the G end of N-MOS pipe Q1 links to each other the other end of second resistor R 2 and timing circuit (C1 with an end of second resistor R 2; R3) link to each other, the D end of N-MOS pipe Q1 extremely links to each other with the A1 of above-mentioned controllable silicon (T).The function that the circuit that obtains like this (Fig. 7) is realized is identical with Fig. 1.
We can also change the N-MOS pipe into NPN transistor (Fig. 8) in Fig. 7, and all the other are constant, switching circuit (R1 wherein; R2 Q1) comprises first resistor R 1, second resistor R 2 and NPN transistor Q1, and an end of first resistor R 1 links to each other with the trigger end G of controllable silicon (T) and the emitter of NPN transistor Q1; (negative terminal R4) links to each other for D1, C2 for the other end of first resistor R 1 and above-mentioned power circuit; The base stage of NPN transistor Q1 links to each other with an end of second resistor R 2; (C1 R3) links to each other, and the collector electrode of NPN transistor Q1 extremely links to each other with the A1 of above-mentioned controllable silicon (T) for the other end of second resistor R 2 and timing circuit.The function that the circuit that obtains like this (Fig. 8) is realized is identical with Fig. 1.
In the present invention, motor M T also can be a tape running capacitor C not, only need remove operation capacitor C and resistance R this moment and get final product (Fig. 9), does not influence function of the present invention.
All right in the present invention converting power source circuit (D1; C2, form R4) (Figure 10), the link J2 of the bimetal release of the positive pole of described rectifier diode D1 and compressor electric motor overload protective device and the heating wire of series connection links to each other; The negative pole of described rectifier diode D1 links to each other with the end anodal and the 4th resistor R 4 of the second capacitor C2; This link is power circuit (D1, C2, anode R4) just; The negative pole of the second capacitor C2 extremely links to each other with the A1 of controllable silicon (T) with the 4th resistor R 4 other ends and is connected with the heating wire exit J1 of compressor electric motor overload protective device, and (D1, C 2, negative terminal R4) for the just described power circuit of this link.Meanwhile, switching circuit (R1, R2, Q1) and timing circuit (C1, R3) (annexation R4) is also wanted corresponding change for D1, C2 with power circuit.The G utmost point of N-MOS pipe Q1 links to each other with an end of resistance R 2, and the other end of resistance R 2 and timing circuit (C1, C1 R3) links to each other with the link of R3, and the S utmost point of N-MOS pipe Q1 links to each other with the G of controllable silicon (T); The D utmost point of N-MOS pipe Q1 links to each other the other end of resistance R 1 and above-mentioned power circuit (D1, C2 with an end of resistance R 1; R4) anode links to each other, timing circuit (C1, the end of C1 R3) and above-mentioned power circuit (D1; C2, anode R4) links to each other, and the other end links to each other with resistance R 3; (negative terminal R4) links to each other for D1, C2 for the other end of resistance R 3 and above-mentioned power circuit.The function that the circuit that obtains is like this realized is identical with the function that Fig. 1 is realized.Be not difficult to find out, can also derive the circuit form of a series of realization identical function thus.
R in Fig. 1～Fig. 8 and Figure 10 is a power resistor, in circuit, plays metering function.Powering on initial controllable silicon (T) when also not having conducting, and the operation capacitor C has been filled with electric charge, if there is not resistance R; With direct short circuit operation capacitor C, because the capacity of operation capacitor C generally has several microfarads, directly the energy of short circuit is very big when controllable silicon (T) conducting; Be enough to cause controllable silicon (T) to damage, therefore in order to guarantee that controllable silicon (T) is not damaged initially powering on, we have been connected in series a power resistor R in the loop; Its numerical value is at several ohms; Power according to the operation capacitor C capacity confirm, generally 0.5W or more than, the power thermistor of first-selected NTC negative temperature coefficient.
Adopt electronic circuit of the present invention can be easy to control the starting compressor motor, and the starting winding of motor also be easy to turn-on time by timing circuit (C1, R3) in the parameter of C1 and R3 regulate, be that zero load or be fully loaded with has nothing to do with motor when starting in addition.
In addition, this circuit is very simple, reliable and cost is low.Compared with present technology, electronic circuit of the present invention has really been realized " no power consumption " owing to utilized motor overload protector dexterously, and its economic benefit and social benefit are self-evident.
Accompanying drawing and description of drawings
Fig. 1 is the electrical schematic diagram of the 1st kind of embodiment of the present invention.
Fig. 2 is the electrical schematic diagram of the 2nd kind of embodiment of the present invention.
Fig. 3 is the electrical schematic diagram of the 3rd kind of embodiment of the present invention.
Fig. 4 is the electrical schematic diagram of the 4th kind of embodiment of the present invention.
Fig. 5 is the electrical schematic diagram of the 5th kind of embodiment of the present invention.
Fig. 6 is the electrical schematic diagram of the 6th kind of embodiment of the present invention.
Fig. 7 is the electrical schematic diagram of the 7th kind of embodiment of the present invention.
Fig. 8 is the electrical schematic diagram of the 8th kind of embodiment of the present invention.
Fig. 9 is the electrical schematic diagram of the 9th kind of embodiment of the present invention.
Figure 10 is the electrical schematic diagram of the 10th kind of embodiment of the present invention.
Figure 11 is the electrical schematic diagram of Traditional use PTC as starter.
Embodiment
Fig. 1 is one embodiment of the present invention.This mode is the scheme of motor M T utilization and operation capacitor C, and the employed high-efficient compressor of current Small Refrigerating Equipment adopts this scheme exactly.Certainly, if utilization and operation capacitor C not, that just directly removes operation capacitor C and resistor R with regard to passable (see figure 9), does not influence function of the present invention.We know; The moment main winding current that motor powers on is very big; This moment is also bigger in the voltage drop of the heating wire of compressor electric motor overload protective device soil, is equivalent to dividing potential drop of heating wire generation of main winding and the overload protective device of motor M T, and we utilize the dividing potential drop on the heating wire of this overload protective device to come for above-mentioned electronic circuit working power to be provided as power supply; D1 and C2 have formed a halfwave rectifier filter circuit; R4 is a bleeder resistance, and the charge discharging resisting with C2 and C1 after outage falls, and is convenient to can start immediately next time.After motor M T powered on, the voltage drop on the heating wire of compressor electric motor overload protective device produced a direct voltage, meanwhile timing circuit (C1 through D1 on C2; R3) produce a trigger impulse and be added to switching circuit (R1 through R2; R2, the trigger end of Q1 Q1) make the Q1 conducting, thereby the trigger end (G) of controllable silicon (T) must conduct; The starting winding of motor M T gets electric, the final smooth starting operation of motor M T.The choose reasonable timing circuit (C1, R3) in the parameter of C1 and R3 can easily control the ON time of Q1, the ON time of controllable silicon (T) just, in other words, the starting winding of motor M T the electric time is also just definite.(R1 in Q1) is the current-limiting resistance in the triggering loop of controllable silicon (T) to switching circuit, selects suitable resistance according to the controllable silicon of different parameters for R1, R2, and R2 is the current-limiting resistance (if metal-oxide-semiconductor, R2 also can cancel and direct short circuit) in the triggering loop of Q1.
If motor M T utilization and operation capacitor C, the power resistor R of the little resistance of then will connecting is connected across the two ends of the A1 utmost point and the A2 utmost point of controllable silicon (T) then.This is that (D1, C2 R4) are half-wave rectifying circuit because of above-mentioned power circuit; If in the moment that powers on is at the alternating current negative half period, power circuit (D1, C2; Therefore R4) can not get electricity, controllable silicon (T) can conducting in this half cycle, can be recharged but move capacitor C this moment; Controllable silicon when lower half (T) can be switched on, but is recharged owing to moving capacitor C this moment, if there is not resistor R; The electric charge of operation capacitor C can give controllable silicon (T) very big surge impact, can cause controllable silicon (T) to damage when serious.Therefore, resistors in series R is the surge impact when reducing controllable silicon (T) conducting.In this circuit, it is suitable that resistor R is used the power thermistor of negative temperature coefficient, can certainly use the common power resistor, but volume can be more bigger.
Fig. 2 is an another embodiment of the invention.Just (Q1 in Q1) has changed the NPN transistor into to switching circuit for R1, R2.
Fig. 3 is an another embodiment of the invention.It is different with the mode of control controllable silicon (T) conducting of Fig. 1 and Fig. 2, and it is the triggering loop of opening controllable silicon (T) earlier, and trigger electrode G and its A1 utmost point short circuit with controllable silicon (T) reaches the purpose that lets controllable silicon (T) end then.Therefore the version of circuit is also adjusted, and (Q1 in Q1) has changed the P-MOS pipe into to switching circuit for R1, R2.
Fig. 4 is an another embodiment of the invention.Version and Fig. 3 of circuit are similar, and just (Q1 in Q1) has changed the PNP transistor into to switching circuit for R1, R2.
Fig. 5 is an another embodiment of the invention.Control principle and Fig. 1 are similar, but because Q1 has changed the P-MOS pipe into, so circuit structure is also different, timing circuit (C1, R3) also adjust by the order of middle C1 and R3.
Fig. 6 is an another embodiment of the invention.Control principle is identical with Fig. 5, and just (Q1 in Q1) has changed the PNP transistor into to switching circuit for R1, R2.
Fig. 7 is an another embodiment of the invention.Control principle and Fig. 3 are similar, and just (Q1 in Q1) has changed the N-MOS pipe into to switching circuit for R1, R2.Timing circuit (C1, R3) also adjust by the order of middle C1 and R3.
Fig. 8 is an another embodiment of the invention.Control principle is identical with Fig. 7, and just (Q1 in Q1) has changed the NPN transistor into to switching circuit for R1, R2.
Fig. 9 is an another embodiment of the invention.Control principle is identical with Fig. 1, and this circuit is applicable to the not motor M T of utilization and operation capacitor C.Fig. 2～8 also can derive similar scheme.
Figure 10 is an another embodiment of the invention.Control principle and Fig. 1～8 are similar, and its difference is power circuit (D1, C2; R4) version is adjusted; The positive pole of rectifier diode D1 wherein links to each other with the link J2 of the heating wire of the bimetal release of compressor electric motor overload protective device and series connection, and the negative pole of rectifier diode D1 links to each other with the end anodal and the 4th resistor (R4) of the second capacitor C2, and this link is power circuit (D1 just; C2, anode R4); The negative pole of the second capacitor C2 extremely links to each other with the A1 of controllable silicon (T) with the 4th resistor R 4 other ends and is connected with the heating wire exit J1 of compressor electric motor overload protective device, the just described power circuit of this link (D1, C2, negative terminal R4).Can be easy to thus to derive and circuit that Fig. 1～9 control principles are identical.
Claims (13)
1. an electronic circuit that is used for the mini-type refrigeration compressor electric motor starting has at least one main winding and a starting winding in the motor described here, and its characteristic of above-mentioned electronic circuit comprises: a bidirectional triode thyristor (T); The A1 utmost point of this controllable silicon (T) is connected with the heating wire exit J1 of the main winding M of compressor electric motor and compressor electric motor overload protective device, and also (C1 is R3) with a power circuit (D1 with a timing circuit for the A1 utmost point of this controllable silicon (T); C2 R4) is connected, and the A2 utmost point of this controllable silicon (T) links to each other with starting winding S; Be connected across between the A1 utmost point and the A2 utmost point of this controllable silicon (T) after also having an operation electric capacity (C) and a resistor (R) being connected; (R1, R2 Q1) link to each other for the trigger end G of this controllable silicon (T) and a switching circuit; This switching circuit (R1; R2, (C1 R3) links to each other Q1) control end and a timing circuit to be arranged.
2. electronic circuit according to claim 1; It is characterized in that described power circuit (D1; C2 R4) comprises rectifier diode (D1), second capacitor (C2) and the 4th resistor (R4), and the negative pole of described rectifier diode (D1) links to each other with the link J2 of the heating wire of the bimetal release of compressor electric motor overload protective device and series connection; The positive pole of described rectifier diode (D1) links to each other with the negative pole of second capacitor (C2) and an end of the 4th resistor (R4); This link is power circuit (D1, C2, negative terminal R4) just; The positive pole of second capacitor (C2) extremely links to each other with the A1 of controllable silicon (T) with the 4th resistor (R4) other end and is connected with the heating wire exit J1 of compressor electric motor overload protective device, the just described power circuit of this link (D1, C2, anode R4).
3. electronic circuit according to claim 1 and 2; It is characterized in that switching circuit (R1 wherein; R2; Q1) comprise first resistor (R1), second resistor (R2) and N-MOS pipe (Q1), an end of first resistor (R1) links to each other with the trigger end G of controllable silicon (T), and the other end links to each other with the D end of N-MOS pipe (Q1); (negative terminal R4) links to each other the S end of N-MOS pipe (Q1) for D1, C2, and the G end of N-MOS pipe (Q1) links to each other with an end of second resistor (R2), and (C1 R3) links to each other for the other end of second resistor (R2) and timing circuit with above-mentioned power circuit; Timing circuit (C1 wherein; R3) comprise first capacitor (C1) and the 3rd resistor (R3); One end of first capacitor (C1) extremely links to each other with the A1 of controllable silicon (T), and the other end links to each other the other end of the 3rd resistor (R3) and power circuit (D1 with an end of the 3rd resistor (R3) and the other end of second resistor (R2); C2, negative terminal R4) links to each other.
4. electronic circuit according to claim 1 and 2; It is characterized in that switching circuit (R1 wherein; R2; Q1) comprise first resistor (R1), second resistor (R2) and NPN transistor (Q1), an end of first resistor (R1) links to each other with the trigger end G of controllable silicon (T), and the other end links to each other with the collector electrode of transistor (Q1); (negative terminal R4) links to each other for D1, C2, and the base stage of transistor (Q1) links to each other with an end of second resistor (R2), and (C1 R3) links to each other for the other end of second resistor (R2) and timing circuit for the emitter of transistor (Q1) and above-mentioned power circuit; Timing circuit (C1 wherein; R3) comprise first capacitor (C1) and the 3rd resistor (R3); One end of first capacitor (C1) extremely links to each other with the A1 of controllable silicon (T), and the other end links to each other the other end of the 3rd resistor (R3) and power circuit (D1 with an end of the 3rd resistor (R3) and the other end of second resistor (R2); C2, negative terminal R4) links to each other.
5. electronic circuit according to claim 1 and 2 is characterized in that wherein switching circuit (R1, R2; Q1) comprise first resistor (R1), second resistor (R2) and P-MOS pipe (Q1), an end of first resistor (R1) links to each other the other end of first resistor (R1) and above-mentioned power circuit (D1 with the trigger end G of controllable silicon (T) and the D end of P-MOS pipe (Q1); C2; R4) negative terminal links to each other, and the G end of P-MOS pipe (Q1) links to each other the other end of second resistor (R2) and timing circuit (C1 with an end of second resistor (R2); R3) link to each other, the S end of P-MOS pipe (Q1) extremely links to each other with the A1 of above-mentioned controllable silicon (T); Timing circuit (C1 wherein; R3) comprise first capacitor (C1) and the 3rd resistor (R3); One end of first capacitor (C1) extremely links to each other with the A1 of controllable silicon (T), and the other end links to each other the other end of the 3rd resistor (R3) and power circuit (D1 with an end of the 3rd resistor (R3) and the other end of second resistor (R2); C2, negative terminal R4) links to each other.
6. electronic circuit according to claim 1 and 2; It is characterized in that (R1, R2 Q1) comprise first resistor (R1), second resistor (R2) and PNP transistor (Q1) for wherein switching circuit; One end of first resistor (R1) links to each other with the trigger end G of controllable silicon (T) and the collector electrode of PNP transistor (Q1); (negative terminal R4) links to each other for D1, C2 for the other end of first resistor (R1) and above-mentioned power circuit; The base stage of PNP transistor (Q1) links to each other with an end of second resistor (R2); (C1 R3) links to each other, and the emitter of PNP transistor (Q1) extremely links to each other with the A1 of above-mentioned controllable silicon (T) for the other end of second resistor (R2) and timing circuit; Timing circuit (C1 wherein; R3) comprise first capacitor (C1) and the 3rd resistor (R3); One end of first capacitor (C1) extremely links to each other with the A1 of controllable silicon (T), and the other end links to each other the other end of the 3rd resistor (R3) and power circuit (D1 with an end of the 3rd resistor (R3) and the other end of second resistor (R2); C2, negative terminal R4) links to each other.
7. electronic circuit according to claim 1 and 2 is characterized in that wherein switching circuit (R1, R2; Q1) comprise first resistor (R1), second resistor (R2) and P-MOS pipe (Q1), an end of first resistor (R1) links to each other the other end of first resistor (R1) and above-mentioned power circuit (D1 with the D end of P-MOS pipe (Q1); C2; R4) negative terminal links to each other, and the G end of P-MOS pipe (Q1) links to each other the other end of second resistor (R2) and timing circuit (C1 with an end of second resistor (R2); R3) link to each other, the S end of P-MOS pipe (Q1) extremely links to each other with the G of above-mentioned controllable silicon (T); Timing circuit (C1 wherein; R3) comprise first capacitor (C1) and the 3rd resistor (R3); (negative terminal R4) links to each other for D1, C2 for one end of first capacitor (C1) and above-mentioned power circuit; The other end of first capacitor (C1) links to each other with an end of the 3rd resistor (R3) and the other end of second resistor (R2), and the other end of the 3rd resistor (R3) extremely links to each other with the A1 of above-mentioned controllable silicon (T).
8. electronic circuit according to claim 1 and 2 is characterized in that wherein switching circuit (R1, R2; Q1) comprise first resistor (R1), second resistor (R2) and PNP transistor (Q1), an end of first resistor (R1) links to each other with the collector electrode of PNP transistor (Q1), the other end of first resistor (R1) and above-mentioned power circuit (D1; C2; R4) negative terminal links to each other, and the base stage of PNP transistor (Q1) links to each other with an end of second resistor (R2), the other end of second resistor (R2) and timing circuit (C1; R3) link to each other, the emitter of PNP transistor (Q1) extremely links to each other with the G of above-mentioned controllable silicon (T); Timing circuit (C1 wherein; R3) comprise first capacitor (C1) and the 3rd resistor (R3); (negative terminal R4) links to each other for D1, C2 for one end of first capacitor (C1) and above-mentioned power circuit; The other end of first capacitor (C1) links to each other with an end of the 3rd resistor (R3) and the other end of second resistor (R2), and the other end of the 3rd resistor (R3) extremely links to each other with the A1 of above-mentioned controllable silicon (T).
9. electronic circuit according to claim 1 and 2 is characterized in that wherein switching circuit (R1, R2; Q1) comprise first resistor (R1), second resistor (R2) and N-MOS pipe (Q1), an end of first resistor (R1) links to each other the other end of first resistor (R1) and above-mentioned power circuit (D1 with the trigger end G of controllable silicon (T) and the S end of N-MOS pipe (Q1); C2; R4) negative terminal links to each other, and the G end of N-MOS pipe (Q1) links to each other the other end of second resistor (R2) and timing circuit (C1 with an end of second resistor (R2); R3) link to each other, the D end of N-MOS pipe (Q1) extremely links to each other with the A1 of above-mentioned controllable silicon (T); Timing circuit (C1 wherein; R3) comprise first capacitor (C1) and the 3rd resistor (R3); (negative terminal R4) links to each other for D1, C2 for one end of first capacitor (C1) and above-mentioned power circuit; The other end of first capacitor (C1) links to each other with an end of the 3rd resistor (R3) and the other end of second resistor (R2), and the other end of the 3rd resistor (R3) extremely links to each other with the A1 of above-mentioned controllable silicon (T).
10. electronic circuit according to claim 1 and 2; It is characterized in that (R1, R2 Q1) comprise first resistor (R1), second resistor (R2) and NPN transistor (Q1) for wherein switching circuit; One end of first resistor (R1) links to each other with the trigger end G of controllable silicon (T) and the emitter of NPN transistor (Q1); (negative terminal R4) links to each other for D1, C2 for the other end of first resistor (R1) and above-mentioned power circuit; The base stage of NPN transistor (Q1) links to each other with an end of second resistor (R2); (C1 R3) links to each other, and the collector electrode of NPN transistor (Q1) extremely links to each other with the A1 of above-mentioned controllable silicon (T) for the other end of second resistor (R2) and timing circuit; Timing circuit (C1 wherein; R3) comprise first capacitor (C1) and the 3rd resistor (R3); (negative terminal R4) links to each other for D1, C2 for one end of first capacitor (C1) and above-mentioned power circuit; The other end of first capacitor (C1) links to each other with an end of the 3rd resistor (R3) and the other end of second resistor (R2), and the other end of the 3rd resistor (R3) extremely links to each other with the A1 of above-mentioned controllable silicon (T).
11. electronic circuit according to claim 1 is characterized in that resistor (R) wherein is the thermistor of a negative temperature coefficient.
12. electronic circuit according to claim 1 is characterized in that wherein resistor (R) is a power more than or equal to 0.5 watt power resistor.
13. electronic circuit according to claim 1; It is characterized in that described power circuit (D1; C2 R4) comprises rectifier diode (D1), second capacitor (C2) and the 4th resistor (R4), and the positive pole of described rectifier diode (D1) links to each other with the link J2 of the heating wire of the bimetal release of compressor electric motor overload protective device and series connection; The negative pole of described rectifier diode (D1) links to each other with an end anodal and the 4th resistor (R4) of second capacitor (C2); This link is power circuit (D1, C2, anode R4) just; The negative pole of second capacitor (C2) extremely links to each other with the A1 of controllable silicon (T) with the 4th resistor (R4) other end and is connected with the heating wire exit J1 of compressor electric motor overload protective device, the just described power circuit of this link (D1, C2, negative terminal R4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201207398U CN202334405U (en) | 2011-04-22 | 2011-04-22 | Electronic circuit for starting of motor of minitype refrigeration compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201207398U CN202334405U (en) | 2011-04-22 | 2011-04-22 | Electronic circuit for starting of motor of minitype refrigeration compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202334405U true CN202334405U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201207398U Expired - Lifetime CN202334405U (en) | 2011-04-22 | 2011-04-22 | Electronic circuit for starting of motor of minitype refrigeration compressor |
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| Country | Link |
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| CN (1) | CN202334405U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158149A (en) * | 2011-04-22 | 2011-08-17 | 上海施达电子科技有限公司 | Electronic circuit for starting small refrigerating compressor motor |
| CN105846729A (en) * | 2016-03-28 | 2016-08-10 | 江门市地尔汉宇电器股份有限公司 | Thyristor control circuit used for measuring current control single phase motor |
-
2011
- 2011-04-22 CN CN2011201207398U patent/CN202334405U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158149A (en) * | 2011-04-22 | 2011-08-17 | 上海施达电子科技有限公司 | Electronic circuit for starting small refrigerating compressor motor |
| CN102158149B (en) * | 2011-04-22 | 2019-05-07 | 上海施达电子科技有限公司 | A kind of electronic circuit for starting of motor of minitype refrigeration compressor |
| CN105846729A (en) * | 2016-03-28 | 2016-08-10 | 江门市地尔汉宇电器股份有限公司 | Thyristor control circuit used for measuring current control single phase motor |
| CN105846729B (en) * | 2016-03-28 | 2018-05-08 | 江门市地尔汉宇电器股份有限公司 | A kind of thyristor control circuit for measuring current control single-phase motor |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20190507 |
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