JP3528683B2 - Relay power supply - Google Patents
Relay power supplyInfo
- Publication number
- JP3528683B2 JP3528683B2 JP15907899A JP15907899A JP3528683B2 JP 3528683 B2 JP3528683 B2 JP 3528683B2 JP 15907899 A JP15907899 A JP 15907899A JP 15907899 A JP15907899 A JP 15907899A JP 3528683 B2 JP3528683 B2 JP 3528683B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- transistor
- relay
- constant voltage
- control means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Relay Circuits (AREA)
Description
【発明の詳細な説明】Detailed Description of the Invention
【０００１】[0001]
【発明の属する技術分野】本発明は調理機器のヒータな
どを開閉するリレー用の抵抗ドロップ方式、またはコン
デンサドロップ方式などの比較的小容量の電源装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power supply device of a relatively small capacity such as a resistance drop system or a capacitor drop system for a relay for opening and closing a heater of a cooking appliance.
【０００２】[0002]
【従来の技術】従来、リレーの駆動信号を出力するマイ
コンなどの制御手段とリレーの電源は、図２の構成のよ
うになっていた。交流電源ＡＣには、抵抗Ｒ１１、整流
素子Ｄ１１、電解コンデンサＣ１２が直列に接続されて
いる。前記電解コンデンサＣ１２には定電圧ダイオード
ＺＤ１１が並列接続され直流電圧を発生している。Ｌ１
１はリレーコイルでトランジスタＱ１１で駆動され、ト
ランジスタＱ１１は制御手段Ｓの信号により駆動され
る。Ｌ１２はリレーコイルでトランジスタＱ１２で駆動
され、トランジスタ１２は制御手段Ｓの信号により駆動
される。制御手段Ｓは定電圧ダイオードＺＤ１１に接続
されている。なお、Ｒ１２，Ｒ１３，Ｒ１４，Ｒ１５は
抵抗である。2. Description of the Related Art Conventionally, control means such as a microcomputer for outputting a drive signal for a relay and a power source for the relay have the configuration shown in FIG. A resistor R11, a rectifying element D11, and an electrolytic capacitor C12 are connected in series to the AC power supply AC. A constant voltage diode ZD11 is connected in parallel to the electrolytic capacitor C12 to generate a DC voltage. L1
A relay coil 1 is driven by a transistor Q11, and the transistor Q11 is driven by a signal from the control means S. L12 is a relay coil driven by a transistor Q12, and the transistor 12 is driven by a signal from the control means S. The control means S is connected to the constant voltage diode ZD11. Note that R12, R13, R14, and R15 are resistors.
【０００３】以上のように構成された従来のリレー電源
装置は、電流容量としてリレーコイルＬ１１，Ｌ１２と
制御手段Ｓと抵抗Ｒ１２，Ｒ１４が必要とする電流の和
をＲ１１は供給しなくてはならない。In the conventional relay power supply device configured as described above, R11 must supply the sum of the currents required by the relay coils L11 and L12, the control means S, and the resistors R12 and R14 as the current capacity. .
【０００４】[0004]
【発明が解決しようとする課題】従来のリレー電源装置
の場合、制御手段に必要な電源電流とリレー電源に必要
な電源電流をＲ１１は供給する必要があり、Ｒ１１には
高電力の抵抗が必要となり、発熱も多く、プリント基
板、周囲部品への悪影響を与えるおそれがあった。。In the case of the conventional relay power supply device, the power supply current required for the control means and the power supply current required for the relay power supply must be supplied to R11, and R11 requires a high power resistor. As a result, a large amount of heat is generated, which may adversely affect the printed circuit board and peripheral components. .
【０００５】本発明は、上記従来の課題を解決するもの
で、簡単な構成で、制御手段とリレー電源のうち多い方
の電流容量があれば、他方の電源も供給できるものであ
る。The present invention solves the above-mentioned problems of the prior art, and is capable of supplying the other power source if the current capacity of the larger one of the control means and the relay power source has a simple structure.
【０００６】[0006]
【課題を解決するための手段】この目的を達成するため
に本発明は、２つ以上の電源を直列に接続し、制御手
段、リレーなどの負荷電流を共通に流すようにしたもの
である。In order to achieve this object, the present invention is one in which two or more power supplies are connected in series so that load currents for control means, relays and the like can flow in common.
【０００７】[0007]
【発明の実施の形態】請求項１記載の発明は、交流電源
に降圧手段と、整流素子と、複数の平滑コンデンサを直
列接続し、前記平滑コンデンサにはそれぞれ定電圧ダイ
オードまたは、定電圧ダイオードと抵抗の直列回路を接
続し、前記平滑コンデンサには、１カ所を除いてリレー
コイルとトランジスタの直列回路を接続し、それぞれの
トランジスタを前記１カ所に接続した別のトランジスタ
で駆動するようにしたものであり、抵抗の電力量を低減
して発熱を押さえ、プリント基板、周囲部品への悪影響
を抑えるとともに、交流電源の電流を押さえることがで
き、省エネが実現できるという特徴を有する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 is one in which a step-down means, a rectifying element, and a plurality of smoothing capacitors are connected in series to an AC power source, and each of the smoothing capacitors is a constant voltage diode or a constant voltage diode. A series circuit of resistors is connected, a series circuit of a relay coil and a transistor is connected to the smoothing capacitor except for one location, and each transistor is driven by another transistor connected to the one location. In addition, the electric power of the resistor is reduced to suppress heat generation, the adverse effect on the printed circuit board and peripheral components can be suppressed, and the current of the AC power supply can be suppressed to achieve energy saving.
【０００８】[0008]
【実施例】（実施例１）以下本発明の実施例について、
図面を参照しながら説明する。図１は本発明の実施例を
示すリレー電源装置の回路図で、交流電源ＡＣには、抵
抗Ｒ１（降圧手段に相当する）、整流素子Ｄ１、電解コ
ンデンサ（平滑コンデンサに相当する）Ｃ１，Ｃ２，Ｃ
３が直列に接続されている。前記電解コンデンサＣ１に
は定電圧ダイオードＺＤ１、前記電解コンデンサＣ２に
は定電圧ダイオードＺＤ２、前記電解コンデンサＣ３に
は定電圧ダイオードＺＤ３が並列接続され直流電圧を発
生している。Ｌ１はリレーコイルでトランジスタＱ１で
駆動される。Ｑ２はトランジスタＱ１を駆動するトラン
ジスタで、制御手段Ｓの信号により駆動される。Ｌ２は
リレーコイルでトランジスタＱ３で駆動される。Ｑ４は
トランジスタＱ３を駆動するトランジスタで、制御手段
Ｓの信号により駆動される。制御手段Ｓは定電圧ダイオ
ードＺＤ１に接続されている。なお、Ｒ２，Ｒ３，Ｒ
４，Ｒ５，Ｒ６，Ｒ７，Ｒ８，Ｒ９は抵抗である。EXAMPLES Example 1 Examples of the present invention will be described below.
A description will be given with reference to the drawings. FIG. 1 is a circuit diagram of a relay power supply device showing an embodiment of the present invention. AC power supply AC includes resistor R1 (corresponding to a step-down device), rectifying element D1, electrolytic capacitors (corresponding to smoothing capacitors) C1 and C2. , C
3 are connected in series. A constant voltage diode ZD1 is connected to the electrolytic capacitor C1, a constant voltage diode ZD2 is connected to the electrolytic capacitor C2, and a constant voltage diode ZD3 is connected to the electrolytic capacitor C3 in parallel to generate a DC voltage. L1 is a relay coil driven by a transistor Q1. Q2 is a transistor for driving the transistor Q1, which is driven by the signal of the control means S. L2 is a relay coil driven by a transistor Q3. Q4 is a transistor for driving the transistor Q3, which is driven by the signal of the control means S. The control means S is connected to the constant voltage diode ZD1. In addition, R2, R3, R
4, R5, R6, R7, R8 and R9 are resistors.
【０００９】以上のように構成されたリレー電源装置に
ついて、以下その動作を説明する。制御手段ＳとＲ４と
Ｒ８に流れる電流の合計をＩａ、リレーコイルＬ１に流
れる電流をＩｂ、リレーコイルＬ２に流れる電流をＩ
ｃ、抵抗Ｒ２とＲ６に流れる電流の合計をＩｄとする
と、各部の電流を確保するために抵抗Ｒ１に流さなけれ
ばならない電流は、（ＩａとＩｂとＩｃの大きい方）＋
Ｉｄとなる。ＩｄはトランジスタＱ１およびＱ３のベー
ス電流なので一般的には小さくてよく、Ｒ１に流さなけ
ればならない電流はＩａとＩｂとＩｃのうちのいずれか
大きい方にほぼ等しくなる。The operation of the relay power supply device configured as described above will be described below. The total current flowing through the control means S, R4 and R8 is Ia, the current flowing through the relay coil L1 is Ib, and the current flowing through the relay coil L2 is Ia.
c and the total of the currents flowing through the resistors R2 and R6 is Id, the current that must flow through the resistor R1 to secure the current of each part is (the larger one of Ia, Ib and Ic) +
It becomes Id. Since Id is the base current of transistors Q1 and Q3, it can be generally small, and the current that must flow through R1 is approximately equal to the larger of Ia, Ib, and Ic.
【００１０】本実施例では、降圧手段を抵抗で構成した
が、降圧手段をコンデンサ、整流素子をダイオードブリ
ッジで構成しても良い。この場合、コンデンサの突入電
流防止のためにコンデンサに直列に抵抗を入れるなどの
対策をしても良い。In this embodiment, the step-down means is composed of a resistor, but the step-down means may be composed of a capacitor and the rectifying element may be composed of a diode bridge. In this case, measures may be taken such as inserting a resistor in series with the capacitor to prevent the inrush current of the capacitor.
【００１１】また、今実施例では、リレー２個を使用し
た構成例で説明したが、リレーを複数個使用する場合
は、平滑コンデンサと定電圧ダイオードの並列回路を複
数個直列接続し、それぞれにリレーコイルとトランジス
タの直列回路を接続し、それぞれを制御手段に接続した
複数のトランジスタで駆動すればよい。Further, in the present embodiment, the example of the configuration using two relays has been described. However, when using a plurality of relays, a plurality of parallel circuits of smoothing capacitors and constant voltage diodes are connected in series, and each relay is connected in series. A series circuit of a relay coil and a transistor may be connected and each may be driven by a plurality of transistors connected to the control means.
【００１２】[0012]
【発明の効果】以上のように本発明によれば、簡単な構
成で、制御手段とリレーコイルのうち多い方の電流容量
があれば、他方の電源も供給できるものであり、抵抗の
電力量を低減して発熱を押さえ、プリント基板、周囲部
品への悪影響を抑えるとともに、交流電源の電流を押さ
え、省エネが実現でき、しかも安価であるという特徴を
有し、実用的価値は大なるものがある。As described above, according to the present invention, if the current capacity of the larger one of the control means and the relay coil is used, the other power source can be supplied with a simple structure. It reduces the heat generation and suppresses the heat generation, and suppresses the adverse effects on the printed circuit board and surrounding parts, and also suppresses the current of the AC power supply, which can realize energy saving and is inexpensive, and has great practical value. is there.
【図１】本発明の一実施例のリレー電源装置の回路図FIG. 1 is a circuit diagram of a relay power supply device according to an embodiment of the present invention.
【図２】従来のリレー電源装置の回路図FIG. 2 is a circuit diagram of a conventional relay power supply device.
ＡＣ 交流電源 Ｒ１ 抵抗 Ｄ１ 整流素子 Ｃ１ 電解コンデンサ Ｃ２ 電解コンデンサ ＺＤ１ 定電圧ダイオード ＺＤ２ 定電圧ダイオード Ｌ リレーコイル Ｑ１ トランジスタ Ｑ２ トランジスタ AC AC power supply R1 resistance D1 rectifying element C1 electrolytic capacitor C2 electrolytic capacitor ZD1 constant voltage diode ZD2 constant voltage diode L relay coil Q1 transistor Q2 transistor
Claims (3)
数の平滑コンデンサを直列接続し、前記平滑コンデンサ
にはそれぞれ定電圧ダイオード、または定電圧ダイオー
ドと抵抗の直列回路を並列接続し、前記平滑コンデンサ
には、１カ所を除いてリレーコイルとトランジスタの直
列回路を接続し、それぞれのトランジスタを前記１カ所
に接続した別のトランジスタで駆動するリレー電源装
置。1. An AC power source, a step-down means, a rectifying element, and a plurality of smoothing capacitors are connected in series, and a constant voltage diode or a series circuit of a constant voltage diode and a resistor is connected in parallel to the smoothing capacitor, respectively. A relay power supply device in which a series circuit of a relay coil and a transistor is connected to the smoothing capacitor except for one location, and each transistor is driven by another transistor connected to the one location.
のリレー電源装置。2. The relay power supply device according to claim 1, wherein the step-down means is composed of a resistor.
オードブリッジで構成した請求項１記載のリレー電源装
置。3. The relay power supply device according to claim 1, wherein the step-down means comprises a capacitor and the rectifying element comprises a diode bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15907899A JP3528683B2 (en) | 1999-06-07 | 1999-06-07 | Relay power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15907899A JP3528683B2 (en) | 1999-06-07 | 1999-06-07 | Relay power supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000348587A JP2000348587A (en) | 2000-12-15 |
| JP3528683B2 true JP3528683B2 (en) | 2004-05-17 |
Family
ID=15685749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15907899A Expired - Fee Related JP3528683B2 (en) | 1999-06-07 | 1999-06-07 | Relay power supply |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3528683B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101148646B1 (en) | 2010-07-16 | 2012-05-21 | 엘에스산전 주식회사 | Switching device having dual coil |
| KR102852811B1 (en) * | 2023-02-17 | 2025-09-12 | (주)휴맥스 | Relay Power Saving Circuit |
-
1999
- 1999-06-07 JP JP15907899A patent/JP3528683B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000348587A (en) | 2000-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3773512B2 (en) | Motor power supply device | |
| US6445165B1 (en) | Circuit for limiting inrush current to a power source | |
| JP2004520798A (en) | Active common mode filter connected in AC line | |
| JP2009081992A (en) | High-efficiency driver circuit for solid state switch | |
| JP2010535008A (en) | Switch mode power supply device with transient voltage suppression device for line introduction transient state and mechanism for suppressing unnecessary oscillation in driver stage | |
| JP3528683B2 (en) | Relay power supply | |
| JP3670955B2 (en) | Power factor correction circuit | |
| JP4494622B2 (en) | Electromagnetic relay coil drive circuit | |
| JPS62242413A (en) | Base driving circuit for transistor | |
| US8330401B2 (en) | Circuit unit for driving an electronically commutated fan motor | |
| JP3055461B2 (en) | Current limiting device in power supply | |
| JP7678381B2 (en) | power supply device | |
| JP2008182831A (en) | Power supply circuit | |
| KR930006890B1 (en) | Power source circuit | |
| KR200310608Y1 (en) | Hot wire control device using DC power | |
| JP2500989Y2 (en) | Switching power supply | |
| JP3275622B2 (en) | Power supply | |
| JP2903944B2 (en) | Transformerless power circuit | |
| JPS60255058A (en) | Rush current suppressing circuit | |
| JPH05182550A (en) | Load electrification display device | |
| KR20060081981A (en) | Power supply for supplying control power | |
| JP2000253989A (en) | Power supply circuit for induction heating cooker | |
| JPH02202395A (en) | Motor controller equipped with light scr | |
| JPH04216A (en) | Power supply | |
| JPS63231606A (en) | power circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20040203 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20040216 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080305 Year of fee payment: 4 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090305 Year of fee payment: 5 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100305 Year of fee payment: 6 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110305 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110305 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120305 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130305 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130305 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140305 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |