CN2829064Y - AC electromagnetic attraction coil energy-saving device - Google Patents

Abstract

The utility model discloses an energy-saving device of an AC electromagnetic attraction coil, which belongs to the electric power and electronic field. The energy-saving device is composed of an outer shell and an electronic circuit, wherein in the electronic circuit, a surge and over-current protection self-repairing circuit (1) is connected with a lightning protection and over-voltage protection circuit (2); the lightning protection and over-voltage protection circuit (2) is respectively connected with an attraction circuit (3) and a retaining circuit (4) which are simultaneously connected with an absorption and protection circuit (5). The utility model has protective action on over-voltage, over-current, electric potential, accidental wiring error, etc. of power consumption devices, and has the advantages of low cost, high reliability, strong universality and notable electricity-saving effect. The utility model can be used in various power consumption devices with AC electromagnetic attraction coils, such as AC contactors, AC electromagnets, etc.

Description

A kind of alternating electromagnetic sucking coil energy saver

(1) technical field.The utility model relates to a kind of energy saver that is used for the alternating electromagnetic sucking coil, belongs to electric and electronic technical field.

(2) background technology.Particularly the demand of electric energy is increasing to the energy along with the develop rapidly of national economy and living standards of the people, and the demand gap of China's electric energy strengthens year by year at present, the power cuts to limit consumption phenomenon is also more prevalent, thus power-saving technique and device apply extremely urgent.

Have the alternating electromagnetic sucking coil energy saver of various ways in the market, but drop into the also few of a large amount of practical applications.Tracing it to its cause roughly has the following aspects: the one, and the device circuit that has is too simple, and own loss is bigger, and power savings is undesirable; The 2nd, the cost that has is too high, uses investment greatly, uses inconvenient; The 3rd, the failure rate height, poor reliability, versatility is poor; The 4th, not good enough to the defencive function of equipment.

(3) summary of the invention.The purpose of this utility model, be to provide a kind of with low cost, easy to install, failure rate is low, reliability is high, highly versatile and the alternating electromagnetic sucking coil energy saver that can play a protective role to equipment.

The utility model is realized by following technical solution: a kind of alternating electromagnetic sucking coil energy saver; it is made up of shell and electronic circuit; it is characterized in that: in electronic circuit; shove and link to each other with lightning protection excess voltage protection (2) with overcurrent protection self-repairing circuit (1); lightning protection excess voltage protection (2) connects attraction circuit (3), holding circuit (4) respectively, and attraction circuit (3), holding circuit (4) link to each other with protective circuit (5) with absorption simultaneously.

Special character of the present utility model is: shove with overcurrent protection self-repairing circuit (1) in, binding post Φ 2 links to each other by the end of the MY1 in PTC1 and the lightning protection excess voltage protection (2), and the other end of the MY1 in binding post Φ 1 and the lightning protection excess voltage protection (2) links to each other; In lightning protection excess voltage protection (2), the end of MY1 links to each other with the binding post Φ 1, the common port of C1, R1 in D5, V1 anode and the holding circuit (4) in the attraction circuit (3) that shove with in the overcurrent protection self-repairing circuit (1) respectively, and the other end links to each other with overcurrent protection self-repairing circuit (1) middle connecting terminal Φ 1 with shoving; In attraction circuit (3), the negative electrode of D5 by in parallel C2, R2 link to each other with the end of R3, the other end of R3 links to each other with the control utmost point of V1 and the end of R4, the other end of R4 connects the output of negative electrode, holding circuit (4) of V1 and the common port of absorption and protective circuit (5) middle MY2, PTC2 respectively; In holding circuit (4), C1, the common port of R1 and binding post Φ 1, the input of the end of the MY1 in the lightning protection excess voltage protection (2) and attraction circuit (3) links to each other, another common port links to each other with the input of bridge rectifier D 1-D4, the end of MY1 in another input of D1-D4 and the lightning protection excess voltage protection (2) link to each other and by shove with overcurrent protection self-repairing circuit (1) in PTC1 link to each other with binding post Φ 2, the output of D1-D4 respectively with the V1 negative electrode, MY2 in R4 one end and absorption and the protective circuit (5), the common port of PTC2 links to each other, and another output of D1-D4 links to each other with binding post Φ 4; In absorption and protective circuit (5), the common port of MY2, PTC2 links to each other with the output of V1 negative electrode, R4 one end and D1-D4, and the other end of MY2 links to each other with binding post Φ 4, and the other end of PTC2 links to each other with binding post Φ 3.

Another special character of the present utility model is: in attraction circuit (3); the anode of V1 connects the end of MY1 respectively; binding post Φ 1 and R1; the common port of C1; the V1 negative electrode passes through D6; MY2 in D7 and absorption and the protective circuit (5); the common port of PTC2 links to each other and the end of R3 links to each other; the V1 control utmost point connects an output of V2 anode and holding circuit (4) respectively by R2; the other end of R3 extremely links to each other with V2 control and passes through C2 respectively; MY2 in R4 and absorption and the protective circuit (5); the common port of PTC2 links to each other, V2 negative electrode and MY2; the common port of PTC2 links to each other.

The utlity model has highly versatile, cost is low, reliability is high, long service life, easy to install, characteristics such as wiring is simple and clear, simultaneously overvoltage, overcurrent, back-emf, unexpected wiring error etc. is all had protective effect; Effect of using this device can make the alternating electromagnetic sucking coil reach silent running and increasing the service life and the generation that can stop the coil burnout phenomenon; Use this device saves energy to reach more than 96%.This device can be widely used in A.C. contactor, alternating electromagnet etc. to have on the various power consumption equipments of alternating electromagnetic sucking coil.

(4) accompanying drawing and drawing explanation

Fig. 1-electric functional-block diagram of the present utility model

A Fig. 2-embodiment electrical schematic diagram of the present utility model

Fig. 3-another embodiment electrical schematic diagram of the present utility model

In Fig. 1,1-shove and the overcurrent protection self-repairing circuit, 2-lightning protection excess voltage protection, 3-attraction circuit, 4-holding circuit, 5-absorb and protective circuit.

(5) embodiment

With reference to Fig. 1, Fig. 2.An embodiment of the present utility model is: shove with overcurrent protection self-repairing circuit (1) in, binding post Φ 2 links to each other by the end of the MY1 in PTC1 and the lightning protection excess voltage protection (2), and the other end of the MY1 in binding post Φ 1 and the lightning protection excess voltage protection (2) links to each other; In lightning protection excess voltage protection (2), the end of MY1 links to each other with the binding post Φ 1, the common port of C1, R1 in D5, V1 anode and the holding circuit (4) in the attraction circuit (3) that shove with in the overcurrent protection self-repairing circuit (1) respectively, and the other end links to each other with overcurrent protection self-repairing circuit (1) middle connecting terminal Φ 1 with shoving; In attraction circuit (3), the negative electrode of D5 by in parallel C2, R2 link to each other with the end of R3, the other end of R3 links to each other with the control utmost point of V1 and the end of R4, the other end of R4 connects the output of negative electrode, holding circuit (4) of V1 and the common port of absorption and protective circuit (5) middle MY2, PTC2 respectively; In holding circuit (4), C1, the common port of R1 and binding post Φ 1, the input of the end of the MY1 in the lightning protection excess voltage protection (2) and attraction circuit (3) links to each other, another common port links to each other with the input of bridge rectifier D 1-D4, the end of MY1 in another input of D1-D4 and the lightning protection excess voltage protection (2) link to each other and by shove with overcurrent protection self-repairing circuit (1) in PTC1 link to each other with binding post Φ 2, the output of D1-D4 respectively with the V1 negative electrode, MY2 in R4 one end and absorption and the protective circuit (5), the common port of PTC2 links to each other, and another output of D1-D4 links to each other with binding post Φ 4; In absorption and protective circuit (5), the common port of MY2, PTC2 links to each other with the output of V1 negative electrode, R4 one end and D1-D4, and the other end of MY2 links to each other with binding post Φ 4, and the other end of PTC2 links to each other with binding post Φ 3.In the present embodiment, the withstand voltage 400V that is of PTC1, PTC2, specified non-operating current 200mA, MY1, MY2 are the piezo-resistance of 10K/680V, D1, D4, D5 are IN4007 type diode, and D2, D3 are the diode of 8A/1000V, and V1 is the one-way SCR of 16A/1000V.

With reference to Fig. 1, Fig. 3.Another embodiment of the present utility model and a last embodiment difference are: in attraction circuit (3); the anode of V1 connects the end of MY1 respectively; binding post Φ 1 and C1; the common port of R1; the V1 negative electrode passes through D6; MY2 in D7 and absorption and the protective circuit (5); the common port of PTC2 links to each other and the end of R3 links to each other; the V1 control utmost point connects an output of V2 anode and holding circuit (4) respectively by R2; the other end of R3 extremely links to each other with V2 control and passes through C2 respectively; MY2 in R4 and absorption and the protective circuit (5); the common port of PTC2 links to each other, V2 negative electrode and MY2; the common port of PTC2 links to each other.In the present embodiment, D6, D7 are the diode of 8A/1000V, and V1 is the one-way SCR of 16A/1000V, and V2 is the one-way SCR of 8A/1000V.

Claims (3)

1, a kind of alternating electromagnetic sucking coil energy saver; it is made up of shell and electronic circuit; it is characterized in that: in electronic circuit; shove and link to each other with lightning protection excess voltage protection (2) with overcurrent protection self-repairing circuit (1); lightning protection excess voltage protection (2) connects attraction circuit (3), holding circuit (4) respectively, and attraction circuit (3), holding circuit (4) link to each other with protective circuit (5) with absorption simultaneously.

2, alternating electromagnetic sucking coil energy saver according to claim 1, it is characterized in that: shove with overcurrent protection self-repairing circuit (1) in, binding post φ 2 links to each other by the end of the MY1 in PTC1 and the lightning protection excess voltage protection (2), and binding post φ 1 links to each other with the MY1 other end in the lightning protection excess voltage protection (2); In lightning protection excess voltage protection (2), the end of MY1 respectively with shove with overcurrent protection self-repairing circuit (1) in binding post φ 1, the common port of C1, R1 in the D5 in the attraction circuit (3), V1 anode and the holding circuit (4) links to each other; The other end with shove and the linking to each other of overcurrent protection self-repairing circuit (1) middle connecting terminal φ 1; In attraction circuit (3), the negative electrode of D5 by in parallel C2, R2 link to each other with the end of R3, the other end of R3 links to each other with the end that V1 controls the utmost point and R4, the other end of R4 connects output of negative electrode, holding circuit (4) of V1 and the MY2 in absorption and the protective circuit, the common port of PTC2 respectively; In holding circuit (4), C1, the common port of R1 and binding post φ 1, the input of the end of the MY1 in the lightning protection excess voltage protection (2) and attraction circuit (3) links to each other, another common port links to each other with the input of bridge rectifier D 1-D1, another input of D1-D4 link to each other with MY1 one end in the lightning protection excess voltage protection (2) and by shove with overcurrent protection self-repairing circuit (1) in PTC1 link to each other with binding post φ 2, the output of D1-D4 respectively with the V1 negative electrode, MY2 in R4 one end and absorption and the protective circuit (5), the common port of PTC2 links to each other, and another output of D1-D4 links to each other with binding post φ 4; In absorption and protective circuit (5), the common port of MY2, PTC2 links to each other with the output of V1 negative electrode, R4 one end and D1-D4, and the MY2 other end links to each other with binding post φ 4, and the other end of PTC2 links to each other with binding post φ 3.

3; alternating electromagnetic sucking coil energy saver according to claim 1; it is characterized in that: in attraction circuit (3); the anode of V1 connects the end of MY1 respectively; binding post φ 1 and R1; the common port of C1; the negative electrode of V1 passes through D6; PTC2 in D7 and absorption and the protective circuit (5); the common port of MY2 links to each other and links to each other with the end of R3; the V1 control utmost point connects an output of V2 anode and holding circuit (4) respectively by R2; the other end of R3 extremely links to each other with V2 control and passes through C2 respectively; PTC2 in R4 and absorption and the protective circuit (5); the common port of MY2 links to each other, V2 negative electrode and PTC2; the common port of MY2 links to each other.

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