CN2416669Y - Electronic Timing controlling device - Google Patents

Electronic Timing controlling device Download PDF

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Publication number
CN2416669Y
CN2416669Y CN 00228105 CN00228105U CN2416669Y CN 2416669 Y CN2416669 Y CN 2416669Y CN 00228105 CN00228105 CN 00228105 CN 00228105 U CN00228105 U CN 00228105U CN 2416669 Y CN2416669 Y CN 2416669Y
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diode
triode
link
capacitor
resistance
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CN 00228105
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Chinese (zh)
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刘锦雄
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Individual
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Abstract

The utility model relates to an electronic timing control device, which aims to overcome the defects that the prior art can not provide stable voltage for actuating members and has the disadvantages of large power consumption, large volume and easy heat generation. The utility model comprises switches and a relay switch. A diode D3 is connected with the both ends of the relay switch, a one-way constant pressure conducting circuit is connected in parallel with the both ends of a diode D2, a signal triggering tip of a delay triggering circuit is connected with a control end of the one-way constant pressure conducting circuit, a diode D1 is connected in series with a capacitor and is connected in parallel with the both ends of the diode D2, and a coil is connected in parallel with the both ends of the capacitor. The utility model has the advantages of stable voltage on the both ends of the coil, large control on-off current, convenient operation of connection in series, fewer elements, low power consumption, small size, less heat generation, high durability and low cost.

Description

The electronic timing control device
The utility model relates to a kind of electronic timing control device.
In the prior art, be used for electric equipment products, can carry out the regularly electronic timing control device of outage control to electric equipment products, its circuit structure has the mode that adopts dropping resistor to be connected in series with electrical appliance, take out the lower alternating voltage of magnitude of voltage at the current-limiting resistance two ends, as the operating voltage of timing control circuit.The sort circuit structure exists very big shortcoming, one, the change of electrical appliance, mean the change of load, the voltage at current-limiting resistance two ends also changes thereupon, can not provide stable operating voltage for timing control circuit, influence wherein executive component such as the work of relay.Its two, on current-limiting resistance, to consume bigger power.And the employing power transformer, rectification circuit, regularly the timing control apparatus of Drive and Control Circuit structure is by the voltage step-down of transformer with 220 volts, produces through rectification circuit and supplies the regularly direct-current working volts of Drive and Control Circuit work.The circuit of this structure owing to will use transformer, causes volume big, transformer easily generates heat, and same energy consumption is big, the cost height, and the fluctuation of line voltage, directly influence the output voltage of transformer, can influence the work of executive component equally, voltage exceeds the operating voltage of relay, cause the damage of relay easily, brownout, the relay folding is unreliable, must be attempted by on the power line with electrical appliance during use.
The purpose of this utility model is to provide a kind of break-make that is connected in series the control electrical appliance, can provide stable operating voltage for executive component, the electronic timing control device that components and parts are safe and reliable.
For realizing the purpose of this utility model, described electronic timing control device comprises two links, therein a link A 1Be provided with normal open switch K 0With the normal open switch JK of relay, diode D 3Positive pole meets normal open switch K 0The other end, its negative pole is succeeded the other end of the normal open switch JK of electrical equipment, at diode D 3Negative pole and another link A 2Between be serially connected with negative half period conducting diode D 2, diode D 1Be attempted by diode D after capacitor C is connected 2Two ends, diode D 1Positive pole and diode D 2Negative pole link to each other, relay coil J is attempted by the capacitor C two ends, the unidirectional level pressure turning circuit of positive half cycle conducting is attempted by diode D 2Two ends, delay trigger circuit are connected to diode D 3Positive pole and another link A 2Between, its signal triggering end links to each other with unidirectional level pressure turning circuit control end.
For realizing the purpose of this utility model, described electronic timing control device also can be to comprise two links, therein a link A 1Be provided with normal open switch K 0With the normal open switch JK of relay, diode D 3Positive pole meets normal open switch K 0The other end, its negative pole is succeeded the other end of the normal open switch JK of electrical equipment, at diode D 3Negative pole and another link A 2Between be serially connected with negative half period conducting diode D 2, diode D 1Be attempted by diode D after capacitor C is connected 2Two ends, diode D 1Positive pole and diode D 2Negative pole link to each other, the unidirectional level pressure turning circuit of positive half cycle conducting is attempted by diode D 2Two ends, delay trigger circuit are connected to diode D 3Positive pole and another link A 2Between, relay coil J is serially connected in its signal triggering end and diode D 1Between the negative pole.
The drawing of accompanying drawing is described as follows:
Fig. 1 is circuit box structure figure of the present utility model.
Fig. 2 is the wherein a kind of circuit theory diagrams among Fig. 1.
Fig. 3 is the another kind of circuit theory diagrams among Fig. 1.
Fig. 4 is the circuit box structure figure of the another kind of form of the utility model.
Fig. 5 is the circuit theory diagrams among Fig. 4.
Below in conjunction with accompanying drawing, the embodiment of the utility model electronic timing control device is described in further detail:
As shown in fig. 1, electronic timing control device described in the utility model is provided with at the unidirectional level pressure turning circuit of positive half cycle conducting and diode D in the negative half period conducting 2, both also connect after the normal open switch JK of relay is connected to link A 1, A 2On.Delay trigger circuit is connected to diode D 3Positive pole and another link A 2Between, its signal triggering end links to each other with unidirectional level pressure turning circuit control end.As normal open switch K 0Be pressed when connecting, the positive half cycle voltage of power supply is on the one hand by normal open switch K 0For delay trigger circuit provides a resetting voltage, make the conducting of unidirectional level pressure turning circuit become possibility, on the other hand by diode D 1The current rectifying and wave filtering circuit that constitutes with capacitor C adds on the relay coil J, makes the normal open switch JK closure of relay, forms self-locking.And the conducting when positive half cycle voltage rises to certain altitude of unidirectional level pressure turning circuit makes positive half cycle voltage major part be added in load R through unidirectional level pressure turning circuit LOn.Negative half period voltage is through load R LWith diode D 2Form the loop.When delay trigger circuit passes through the time of setting, turn-off unidirectional level pressure turning circuit, closed positive half cycle voltage makes capacitor C lose charging voltage, electric apparatus coil J dead electricity, its normal open switch JK disconnects.
As shown in Figure 2, the unidirectional level pressure turning circuit described in Fig. 1 includes collector electrode and resistance R 3Be attempted by diode D after the serial connection 2The triode T at two ends 3, triode T 3Emitter be connected to diode D 2Positive pole, triode T 2Emitter and base stage be connected to resistance R 3Two ends, triode T 2Base stage and collector electrode and triode T 3Collector electrode link to each other triode T with base stage 3Base stage be connected to divider resistance R 1And R 2Between, divider resistance R 1And R 2Be connected to diode D 2The signal triggering end of positive pole and delay trigger circuit.When the A end is positive half cycle, establish resistance R 1On, following two ends to the voltage between the C end is Va, Vb, along with positive half cycle voltage progressively increases since 0 volt, when voltage Vb rises to when making triode T3 conducting, the value of voltage Vb just equals the junction voltage Vbe3 of triode T3, under the condition of triode T1 saturation conduction, saturation voltage drop between triode T1 collector electrode and the emitter is Vceol, electric current through resistance R 1 is about (Vbe3-Vceol)/R2, so voltage Va=R1 * (Vbe3-Vceol)/R2+Vb, because during the triode saturation conduction, voltage Vbe3 and Vceol are about 0.55 and 0.2 volt, this moment, voltage Va was up to certain value, along with triode T2, T3 enters saturation condition, and the voltage of Va is triode T2, tube voltage drop after the T3 conducting (Veb2+Vce3).That is to say no matter how supply voltage changes, load RL is greatly or little, the voltage that voltage Va process diode D1 and capacitor C rectifying and wave-filtering are added in the relay coil two ends is stable, thereby under the condition of guaranteeing to change in the external world, unidirectional level pressure turning circuit can also provide safe operating voltage for relay except from certain angle of flow conducting.The operating voltage of relay coil generally is commonly used in 6～12 volts of scopes, so the angle of flow is very little.When being applied in inductive load, because diode D 2Both end voltage changes, at diode D 2Two ends also are connected to capacitor C 1, ensure that the relay coil both end voltage is stable.At link A 2With diode D 3Be provided with diode D between the positive pole 5, diode D 5Negative pole meets diode D 3Positive pole.As normal open switch K 0The connection that is pressed is when power supply is in negative half period, if diode-less D 5, its voltage is through load and diode D 2Be added in diode D 3Two ends, at this moment, diode D 3The highest power supply of power supply is born at two ends.And connect diode D 5The time, negative half period voltage is then through diode D 5Form the loop, like this, can select oppositely withstand voltage low diode D for use 3, because circuit design is reasonable, make the voltage that components and parts bore in the entire circuit all very low, reduce cost by reduction to requirement on devices.
As shown in Figure 2, the delay trigger circuit described in Fig. 1 comprises and diode D 4Be connected across diode D after the series connection 3Positive pole and another link A 2Between storage capacitor C 3, triode T 1Collector and emitter be serially connected in divider resistance R 1And R 2In resistance R 2End and another link A 2Between, at triode T 1Base stage be provided with and be connected to capacitor C 3The resistance R of last formation discharge loop 4As normal open switch K 0Be pressed when connecting, the positive half cycle voltage of power supply is on the one hand by normal open switch K 0Through diode D 4After add to storage capacitor C 3On, for it provides a resetting voltage, as normal open switch K 0After the disconnection, capacitor C 3On voltage through resistance R 4, triode T 1Base stage and emitter capablely become discharge loop, until triode T 1End, be definite value its time of delay.
As shown in Figure 3, the another kind of form of the delay trigger circuit described in Fig. 1 comprises and diode D 4Be connected across diode D after the series connection 3Positive pole and another link A 2Between storage capacitor C 3, field effect transistor T 1Source electrode and drain electrode be serially connected in divider resistance R 1And R 2In resistance R 2End and another link A 2Between, field effect transistor T 1Grid be connected to capacitor C 3On, in capacitor C 3Two ends also are connected to resistance R with its formation discharge loop 4Its operation principle and roughly the same aforementioned does not repeat them here.
As shown in Figure 4, this is the electronic timing control device of the another kind of form of the utility model, comprises two links, therein a link A 1Be provided with normal open switch K 0With the normal open switch JK of relay, diode D 3Positive pole meets normal open switch K 0The other end, its negative pole is succeeded the other end of the normal open switch JK of electrical equipment, at diode D 3Negative pole and another link A 2Between be serially connected with negative half period conducting diode D 2, diode D 1Be attempted by diode D after capacitor C is connected 2Two ends, diode D 1Positive pole and diode D 2Negative pole link to each other, the unidirectional level pressure turning circuit of positive half cycle conducting is attempted by diode D 2Two ends, delay trigger circuit are connected to diode D 3Positive pole and another link A 2Between, relay coil J is serially connected in its signal triggering end and diode D 1Between the negative pole.According to preceding surface analysis, this moment voltage Va=R1 * Vbe3/R2+Vbe3 because during the triode saturation conduction, voltage Vbe3 is about 0.55 volt, voltage Va is up to certain value at this moment.Push normal open switch K 0After, delay trigger circuit is connected the relay coil J that is connected in series with it, makes relay coil J energising, its normal open switch of adhesive JK forms self-locking, when reaching the time that sets, delay trigger circuit disconnects the relay coil J that is connected in series with it, and its normal open switch of adhesive JK is disconnected.
As shown in Figure 5, described unidirectional level pressure turning circuit includes collector electrode and resistance R 3Be attempted by diode D after the serial connection 2The triode T at two ends 3, triode T 3Emitter be connected to diode D 2Positive pole, triode T 2Emitter and base stage be connected to resistance R 3Two ends, triode T 2Base stage and collector electrode and triode T 3Collector electrode link to each other triode T with base stage 3Base stage be connected to divider resistance R 1And R 2Between, divider resistance R 1And R 2Be connected to diode D 2Negative pole and link A 2Its operation principle as hereinbefore.
Described delay trigger circuit comprises and diode D 4Be connected across diode D after the series connection 3Positive pole and another link A 2Between storage capacitor C 3, triode T 1Collector and emitter be serially connected in relay coil J and another link A 2Between, at triode T 1Base stage be provided with and be connected to capacitor C 3The resistance R of last formation discharge loop 4Other and be connected to diode D at relay coil J 6, in case triode T 1Reverse breakdown.In conjunction with Fig. 4, push normal open switch K 0After, voltage is through diode D 4Make capacitor C 3Be charged to certain voltage, and make triode T 1Conducting, promptly aforementioned delay trigger circuit is connected, and relay coil J energising makes normal open switch JK adhesive, behind the certain hour, triode T 1End, promptly delay trigger circuit disconnects.
Described delay trigger circuit also can be the version described in Fig. 3, and that different is field effect transistor T 1Source electrode and drain electrode be serially connected in the relay coil J loop.
At described diode D 2Two ends also are connected to capacitor C 1, link A 2With diode D 3Be provided with between the positive pole and be used to reduce diode D 3The diode D of reverse voltage 5, its principle as hereinbefore.
The utility model is than prior art, owing to adopt unidirectional level pressure turning circuit to be attempted by diode D 2Two ends, delay trigger circuit signal triggering end links to each other diode D with unidirectional level pressure turning circuit control end 1Be attempted by diode D after capacitor C is connected 2Two ends, relay coil J is attempted by capacitor C two-end structure scheme, has the added voltage in relay coil J two ends and stablizes, and Control current is big, being convenient to serial connection uses, components and parts are few, all can select low withstand voltage components and parts for use, and are low in energy consumption, volume is little, heating is few, and is durable in use, the advantage that manufacturing cost is low.

Claims (10)

1. an electronic timing control device comprises two links, it is characterized in that link A therein 1Be provided with normal open switch K 0With the normal open switch JK of relay, diode D 3Positive pole meets normal open switch K 0The other end, its negative pole is succeeded the other end of the normal open switch JK of electrical equipment, at diode D 3Negative pole and another link formula A 2Between be serially connected with negative half period conducting diode D 2, diode D 1Be attempted by diode D after capacitor C is connected 2Two ends, diode D 1Positive pole and diode D 2Negative pole link to each other, relay coil J is attempted by the capacitor C two ends, the unidirectional level pressure turning circuit of positive half cycle conducting is attempted by diode D 2Two ends, delay trigger circuit are connected to diode D 3Positive pole and another link A 2Between, its signal triggering end links to each other with unidirectional level pressure turning circuit control end.
2. electronic timing control device according to claim 1 is characterized in that described unidirectional level pressure turning circuit includes collector electrode and resistance R 3Be attempted by diode D after the serial connection 2The triode T at two ends 3, triode T 3Emitter be connected to diode D 2Positive pole, triode T 2Emitter and base stage be connected to resistance R 3Two ends, triode T 2Base stage and collector electrode and triode T 3Collector electrode link to each other triode T with base stage 3Base stage be connected to divider resistance R 1And R 2Between, divider resistance R 1And R 2Be connected to diode D 2The signal triggering end of negative pole and delay trigger circuit.
3. electronic timing control device according to claim 1 and 2 is characterized in that described delay trigger circuit comprises and diode D 4Be connected across diode D after the series connection 3Positive pole and another link A 2Between storage capacitor C 3, triode T 1Collector and emitter be serially connected in divider resistance R 1And R 2In resistance R 2End and another link A 2Between, at triode T 1Base stage be provided with and be connected to capacitor C 3The resistance R of last formation discharge loop 4
4. electronic timing control device according to claim 1 and 2 is characterized in that described delay trigger circuit comprises and diode D 4Be connected across diode D after the series connection 3Positive pole and another link A 2Between storage capacitor C 3, field effect transistor T 1Source electrode and drain electrode be serially connected in divider resistance R 1And R 2In resistance R 2End and another link A 2Between, field effect transistor T 1Grid be connected to capacitor C 3On, in capacitor C 3Two ends also are connected to resistance R with its formation discharge loop 4
5, electronic timing control device according to claim 1 and 2 is characterized in that at described diode D 2Two ends also are connected to capacitor C 1
6, electronic timing control device according to claim 1 and 2 is characterized in that at link A 2With diode D 3Be provided with between the positive pole and be used to reduce diode D 3The diode D of reverse voltage 5
7, a kind of electronic timing control device comprises two links, it is characterized in that link A therein 1Be provided with normal open switch K 0With the normal open switch JK of relay, diode D 3Positive pole meets normal open switch K 0The other end, its negative pole is succeeded the other end of the normal open switch JK of electrical equipment, at diode D 3Negative pole and another link A 2Between be serially connected with negative half period conducting diode D 2, diode D 1Be attempted by diode D after capacitor C is connected 2Two ends, diode D 1Positive pole and diode D 2Negative pole link to each other, the unidirectional level pressure turning circuit of positive half cycle conducting is attempted by diode D 2Two ends, delay trigger circuit are connected to diode D 3Positive pole and another link A 2Between, relay coil J is serially connected in its signal triggering end and diode D 1Between the negative pole.
8. electronic timing control device according to claim 7 is characterized in that described unidirectional level pressure turning circuit includes collector electrode and resistance R 3Be attempted by diode D after the serial connection 2The triode T at two ends 3, triode T 3Emitter be connected to diode D 2Positive pole, triode T 2Emitter and base stage be connected to resistance R 3Two ends, triode T 2Base stage and collector electrode and triode T 3Collector electrode link to each other triode T with base stage 3Base stage be connected to divider resistance R 1And R 2Between, divider resistance R 1And R 2Be connected to diode D 2Negative pole and link A 2
9. according to claim 7 or 8 described electronic timing control device, it is characterized in that described delay trigger circuit comprises and diode D 4Be connected across diode D after the series connection 3Positive pole and another link A 2Between storage capacitor C 3, triode T 1Collector and emitter be serially connected in relay coil J and another link A 2Between, at triode T 1Base stage be provided with and be connected to capacitor C 3The resistance R of last formation discharge loop 4
10. according to claim 7 or 8 described electronic timing control device, it is characterized in that at link A 2With diode D 3Be provided with between the positive pole and be used to reduce diode D 3The diode D of reverse voltage 5
CN 00228105 2000-04-29 2000-04-29 Electronic Timing controlling device Expired - Fee Related CN2416669Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 00228105 CN2416669Y (en) 2000-04-29 2000-04-29 Electronic Timing controlling device

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Application Number Priority Date Filing Date Title
CN 00228105 CN2416669Y (en) 2000-04-29 2000-04-29 Electronic Timing controlling device

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CN2416669Y true CN2416669Y (en) 2001-01-24

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CN 00228105 Expired - Fee Related CN2416669Y (en) 2000-04-29 2000-04-29 Electronic Timing controlling device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111096066A (en) * 2017-07-07 2020-05-01 品谱公司 Secondary circuit and timing device for an appliance

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111096066A (en) * 2017-07-07 2020-05-01 品谱公司 Secondary circuit and timing device for an appliance

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C19 Lapse of patent right due to non-payment of the annual fee
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