Electricity-saving loop of electromagnetic valve

By combining transistors and MOSFETs in a design that optimizes the solenoid valve circuit, the problems of overheating and high power consumption in traditional solenoid valves are solved, thus achieving energy-saving performance.

CN223729956UActive Publication Date: 2025-12-26SHANGHAI BAIYI AUTOMATION TECH CO LTD
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Patent Information

Application Number
CN202423304448.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-26
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional DC solenoid valves have the same starting power and holding power, which leads to severe heat generation. In addition, the solenoid valve coil in the existing technology is prone to burnout due to overheating. At the same time, it consumes a lot of power and wastes energy.

Method used

The design of the solenoid valve using a combination of transistors and MOSFETs reduces the current draw of the solenoid valve, thereby achieving energy savings.

Benefits of technology

This effectively reduces the energy consumption of solenoid valves, lowers the operating current of the solenoid valve coil, and achieves energy-saving effects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an electromagnetic valve power-saving loop which comprises a first rectifier diode, the positive electrode of the first rectifier diode is connected with 24V, the negative electrode of the first rectifier diode is provided with an adjusting switch, the negative electrode of the first rectifier diode is connected with the positive electrode of a light-emitting diode, and the negative electrode of the light-emitting diode is connected with the collector electrode of a first triode. The cathode of the first rectifier diode is connected with the base electrode of the first triode, the emitter electrode of the first triode is connected with the grid electrode of the field effect transistor, the emitter electrode of the first triode is connected with the anode of the second rectifier diode, the cathode of the first rectifier diode is connected with the drain electrode of the field effect transistor, and the source electrode of the field effect transistor is connected with the anode of the second rectifier diode; the circuit design of the electromagnetic valve is optimized, the triode is combined with the field effect transistor, the working current of the electromagnetic valve coil is reduced and controlled, the energy consumption of the electromagnetic valve during working is reduced, and the purpose of saving energy is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to LED light modulation circuit technical field especially relates to a solenoid valve electricity -saving loop. BACKGROUND

[0002] The traditional direct current solenoid valve is same to starting power and keeping power, and the keeping power is too big and the heat is serious, and the excitation winding is easy to burn out because of the overheat, and also wastes the electricity and energy. SUMMARY

[0003] The utility model discloses a solenoid valve electricity -saving loop.

[0004] In order to realize above -mentioned purpose, the technical scheme of the utility model is:

[0005] A solenoid valve electricity -saving loop, characterized by, including

[0006] The positive pole of first rectifier diode VD1 is connected with 24V, the negative pole of first rectifier diode VD1 is equipped with adjusting switch JP, the adjusting switch JP is connected with solenoid valve, the negative pole of first rectifier diode VD1 is connected with the positive pole of light emitting diode LED, the negative pole of light emitting diode LED is connected with the collector of first triode Q1,

[0007] The negative pole of first rectifier diode VD1 is connected with the base of first triode Q1, the emitter of first triode Q1 is connected with the grid of field effect transistor Q3, the emitter of first triode Q1 is connected with the positive pole of second rectifier diode VD2, first rectifier diode VD1 and second rectifier diode VD2 are common,

[0008] The negative pole of first rectifier diode VD1 is connected with the drain of field effect transistor Q3, the source of field effect transistor Q3 is connected with the positive pole of second rectifier diode VD2.

[0009] Further, the source of field effect transistor Q3 is connected with the emitter of second triode Q2, the base of second triode Q2 is connected with the positive pole of second rectifier diode VD2, the collector of second triode Q2 is connected with the base of first triode Q1.

[0010] Further, the base of first triode Q1 and the collector of second triode Q2 are connected with the positive pole of first switch diode D1, the negative pole of first switch diode D1 is connected with the negative pole of first rectifier diode VD1 and the drain of field effect transistor Q3.

[0011] Furthermore, the source of the field-effect transistor Q3 is connected to the positive terminal of the second switching diode D2, and the negative terminal of the second switching diode D2 is connected to the emitter of the second transistor Q2.

[0012] Furthermore, the emitter of the first transistor Q1 is connected to the anode of the third switching diode D3, and the cathode of the third switching diode D3 is connected to the gate of the field-effect transistor Q3.

[0013] This invention optimizes the circuit design of the solenoid valve by combining a transistor with a field-effect transistor to reduce and control the operating current of the solenoid valve coil, thereby reducing the energy consumption of the solenoid valve during operation and achieving energy saving. Attached Figure Description

[0014] Figure 1 This is a circuit diagram of the present invention.

[0015] Figure label:

[0016] VD1 (first rectifier diode), VD2 (second rectifier diode), JP (adjusting switch)

[0017] R1~5 (first to fifth resistors), LED (light-emitting diode)

[0018] Q1 is the first transistor, Q2 is the second transistor, and Q3 is the field-effect transistor.

[0019] D1~3 are the first to third switching diodes. Detailed Implementation

[0020] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] This utility model discloses a power-saving circuit for an electromagnetic valve, such as... Figure 1 As shown, it includes a first rectifier diode VD1, the positive terminal of which is connected to 24V, and the first rectifier diode VD1 is a BAV756S. The negative terminal of the first rectifier diode VD1 is equipped with an adjustment switch JP, which is connected to a solenoid valve. The negative terminal of the first rectifier diode VD1 is connected to the positive terminal of a light-emitting diode LED, and the negative terminal of the light-emitting diode LED is connected to the collector of a first transistor Q1. The light-emitting diode LED is a yellow light, and the first transistor Q1 is a BC847S.

[0022] The negative pole of the first rectifier diode VD1 is connected with the base of the first triode Q1, the emitter of the first triode Q1 is connected with the gate of the field effect transistor Q3, the emitter of the first triode Q1 is connected with the positive pole of the second rectifier diode VD2, the first rectifier diode VD1 and the second rectifier diode VD2 are common, and the second rectifier diode VD2 adopts BAV756S.

[0023] The negative pole of the first rectifier diode VD1 is connected with the drain of the field effect transistor Q3, the source of the field effect transistor Q3 is connected with the positive pole of the second rectifier diode VD2, and the field effect transistor Q3 adopts BSS123N.

[0024] The source of the field effect transistor Q3 is connected with the emitter of the second triode Q2, the base of the second triode Q2 is connected with the positive pole of the second rectifier diode VD2, the collector of the second triode Q2 is connected with the base of the first triode Q1, and the second triode Q2 adopts BC847S.

[0025] As shown in Figure 1 The base of the first triode Q1 and the collector of the second triode Q2 are both connected with the positive pole of the first switch diode D1, the negative pole of the first switch diode D1 is connected with the negative pole of the first rectifier diode VD1 and the drain of the field effect transistor Q3, the first switch diode D1 adopts IN4148, and the first switch diode D1 plays a protection role of reverse blocking.

[0026] The source of the field effect transistor Q3 is connected with the positive pole of the second switch diode D2, the negative pole of the second switch diode D2 is connected with the emitter of the second triode Q2, the second switch diode D2 adopts BZM55C5V1, and the second switch diode D2 plays a protection role of reverse blocking.

[0027] The emitter of the first triode Q1 is connected with the positive pole of the third switch diode D3, the negative pole of the third switch diode D3 is connected with the gate of the field effect transistor Q3, the third switch diode D3 adopts BZM55C15, and the third switch diode D3 plays a protection role of reverse blocking.

[0028] The third switch diode D3 is connected in parallel with a fourth resistor R4 and a fifth resistor R5, the fourth resistor R4 is 100KΩ, the fifth resistor R5 is 475KΩ, the fourth resistor R4 and the fifth resistor R5 limit current and provide a bias voltage for turning on the field effect transistor Q3, a capacitor C with a capacitance of 22nF / 50V is connected between the fifth resistor R5 and the negative pole of the first rectifier diode VD1, and is used for filtering.

[0029] The utility model discloses a circuit when using, adjusting switch JP connects electromagnetic valve, input end direct current 24V power supply, and current flows through first rectifier diode VD1-adjusting switch JP-first resistance R1 in proper order, makes first triode Q1's triode conduction, and first resistance R1 is 22K omega's base bias resistance.

[0030] After first triode Q1 conduction, emitting diode LED-second resistance R2-first triode Q1 collector-first triode Q1 emitter conduction, third resistance R3-second rectifier diode VD2 conduction, and emitting diode LED bright, and field effect tube Q3 conduction simultaneously, and second resistance R2 is 330 omega current-limiting resistance, and provides rated working current for emitting diode LED normal work, and first triode Q1's emitter is connected with third resistance R3, and third resistance R3 is 330 omega current-limiting resistance.

[0031] After field effect tube Q3 conduction, Figure 1 As shown in the first rectifier diode VD1-adjusting switch JP-field effect tube Q3-second rectifier diode VD2 circuit conduction of outer ring, and adjusting switch JP action.

[0032] Finally should explain is: above each embodiment is only used to explain the technical scheme of the utility model, and is not limited to it;Although referring to the foregoing each embodiment has carried out the detailed explanation to the utility model, the ordinary skill of the art person should understand: it still can modify the technical scheme recorded in foregoing each embodiment, or equivalent replacement to part or all technical features in it;And these modifications or replacement, do not make the essence of corresponding technical scheme deviate from the scope of the utility model each embodiment technical scheme.

Claims

1. An electromagnetic valve power saving circuit, characterized by, Comprising A first rectifier diode VD1, the positive pole of which is connected to 24V, the negative pole of which is provided with an adjusting switch JP, the adjusting switch JP being connected with a solenoid valve, the negative pole of the first rectifier diode VD1 being connected with the positive pole of a light emitting diode LED, the negative pole of the light emitting diode LED being connected with the collector of a first triode Q1, The negative pole of the first rectifier diode VD1 is connected with the base of the first triode Q1, the emitter of the first triode Q1 being connected with the gate of a field effect tube Q3, the emitter of the first triode Q1 being connected with the positive pole of a second rectifier diode VD2, the first rectifier diode VD1 and the second rectifier diode VD2 being common ground, The negative pole of the first rectifier diode VD1 is connected with the drain of the field effect tube Q3, the source of the field effect tube Q3 being connected with the positive pole of the second rectifier diode VD2.

2. The solenoid valve power saving circuit according to claim 1, characterized by The source of the field effect tube Q3 is connected with the emitter of a second triode Q2, the base of the second triode Q2 being connected with the positive pole of the second rectifier diode VD2, the collector of the second triode Q2 being connected with the base of the first triode Q1.

3. The solenoid valve power saving circuit according to claim 2, wherein The base of the first triode Q1 and the collector of the second triode Q2 are both connected with the positive pole of a first switch diode D1, the negative pole of the first switch diode D1 being connected with the negative pole of the first rectifier diode VD1 and the drain of the field effect tube Q3.

4. The solenoid valve power saving circuit according to claim 2, wherein The source of the field effect tube Q3 is connected with the positive pole of a second switch diode D2, the negative pole of the second switch diode D2 being connected with the emitter of the second triode Q2.

5. The solenoid valve power saving circuit according to claim 1, wherein The emitter of the first triode Q1 is connected with the positive pole of a third switch diode D3, the negative pole of the third switch diode D3 being connected with the gate of the field effect tube Q3.