CN2253544Y - Electronic switch for use in uninterruption power source - Google Patents

Electronic switch for use in uninterruption power source Download PDF

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Publication number
CN2253544Y
CN2253544Y CN 95246599 CN95246599U CN2253544Y CN 2253544 Y CN2253544 Y CN 2253544Y CN 95246599 CN95246599 CN 95246599 CN 95246599 U CN95246599 U CN 95246599U CN 2253544 Y CN2253544 Y CN 2253544Y
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China
Prior art keywords
resistance
diode
electronic switch
pin
module
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Expired - Fee Related
Application number
CN 95246599
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Chinese (zh)
Inventor
陆鲁捷
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Individual
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Individual
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Priority to CN 95246599 priority Critical patent/CN2253544Y/en
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Publication of CN2253544Y publication Critical patent/CN2253544Y/en
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Stand-By Power Supply Arrangements (AREA)

Abstract

The utility model discloses an electronic switch for an uninterruptible power supply. The utility model is composed of a driving circuit which is composed of resistors R < 1 >, R < 2 >, R < 3 > and R < 4 > and a function module M, a power failure input circuit which is composed of a resistor R < 5 >, a diode D < 2 > and an insulation grid electrode crystal switch tube KG < 1 > and a charging circuit which is composed of a resistor R < 6 >, a diode D < 1 > and a storage battery set SD, and the driving circuit, the power failure input circuit and the charging circuit are electrically connected. The utility model can be widely used for frequency-changing speed regulators, uninterruptible power supplies and program-controlled microwave communication power supplies.

Description

The electronic switch that is used for uninterruption power source
The utility model relates to a kind of electronic switch that is used for uninterruption power source.
In prior art, the electronic switch that is used for uninterruption power source, having a kind of is only to adopt a diode to make electronic switch, also have and a kind ofly form electronic switch by controllable silicon and circuits for triggering, the major defect of above-mentioned two kinds of electronic switches is that it can not turn-off arbitrarily, therefore storage battery will be continually opened to fall and discharge and recharge with electrical network, and the life of storage battery is shortened; When electrical network long-time low and when power supply trouble occurring, storage battery just can not provide enough discharge times, so influence uninterruption power source normal power supply.
The purpose of this utility model be to provide a kind of and can turn-off arbitrarily as required, its line construction is simple, the electronic switch of highly versatile.
The purpose of this utility model is achieved in that it comprises drive circuit, electronic switching element and batteries SD, is characterized in that it also comprises by resistance R 5, diode D 2, and insulated gate bipolar transistor switching tube KG 1The power failure of forming drops into circuit and by resistance R 6, diode D 1With the charging circuit that described batteries SD forms, described drive circuit is by resistance R 1, R 2, R 3, R 4Form with functional module M; Described resistance R 1, R 2And R 3Connect successively, wherein resistance R 2And R 3An end that is connected is connected described resistance R with the 1st pin of described functional module M simultaneously 4Two ends be connected with the 6th pin with the 7th of described module M respectively, the 4th pin of this module M is connected with described batteries SD, the 2nd of this module M is connected described diode D with the 3rd pin with the control end of external equipment 2Positive pole, resistance R 1And R 6An end three be connected in same node D, described diode D 2Negative pole, diode D 1Negative pole and resistance R 6Other end three simultaneously and described switching tube KG 1Drain electrode be connected this switching tube KG 1Source electrode, the positive pole of described diode, resistance R 6An end and the 3rd pin of described module M be connected in node N altogether, this node N is connected described resistance R with the negative pole of described storage battery SD 5The other end simultaneously with the 5th pin and the described switching tube KG of described module M 1The control utmost point be connected, the positive pole of described batteries SD is connected with the major loop of the DC power supply of external equipment simultaneously by node A and described node D.
The utility model utilizes novel electronic switch element, rapid and reliable switching characteristic and easy drive circuit to finish make-and-break contact accurately, thereby guarantee that storage battery correctly inerrably devotes oneself to work, give full play to the potential ability and the useful life of storage battery, the utility model also has advantages such as line construction is simple, volume is little, applicability is strong.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is an electrical schematic diagram of the present utility model.
Describe structure in detail below in conjunction with Fig. 1 according to the concrete electronic switch that the utility model proposes.
It is by resistance R for this electronic switch 1, R 2, R 3, R 4With the drive circuit 1 of functional module M composition, by resistance R 5, diode D 2With insulated gate electrode crystal switch pipe KG 1The power failure of forming drops into circuit 2 and by resistance R 6, diode D 1Form through being electrically connected with charging circuit 3 with storage battery SD composition; Described resistance R 1, R 2And R 3Connect successively, wherein resistance R 2And R 3An end that is connected is connected described resistance R with the 1st pin of described functional module M simultaneously 4Two ends be connected with the 6th pin with the 7th of described module M respectively, the 4th pin of this module M is connected with described batteries SD, the 2nd of this module M is connected described diode D with the 3rd pin with the control end of external equipment 2Positive pole, resistance R 1And R 6An end three be connected in same node D, described diode D 2Negative pole, diode D 1Negative pole and described resistance R 6Other end three simultaneously and described switching tube KG 1Drain electrode be connected this switching tube KG 1Source electrode, the positive pole of described diode, resistance R 6An end and the 3rd pin of module M be connected in node N altogether, this node N is connected with the negative pole of described batteries SD, described resistance R 5The other end simultaneously with the 5th pin and the described switching tube KG of described module M 1The control utmost point be connected, the positive pole of described batteries SD is connected with the major loop of the DC power supply of external equipment with the described node D while by node A, the fuse RD that also can connect on described node D, described functional module M can adopt for example M95000 type, described switching tube KG 1Can also adopt Darlington transistor, field effect transistor or electrostatic thyristor, this electronic switch can also be furnished with a small-power uninterruption power source 4 as required.
Now operation principle of the present utility model is described below: when D, A end with after the major loop of the DC power supply of external equipment is communicated with, its voltage is U d, and the voltage of storage battery SD is U 8, work as U s＜U dThe time, storage battery is by diode D 1, resistance R 6The conducting charging, resistance R 6Can regulate and adjust at U dWhen maximum occurring, charging current is similar to is allowing within the charging current scope, up to U sRise to U dIn floating charge state; When power supply breaks down, U dDrop to 85%U dWhen following, at D, N two ends voltage difference 15%U will appear dSo, in resistance R 3On will obtain signal voltage, make functional module M95000 output pin 5 obtain driving voltages (electric current) and make switch element KG 1Conducting, storage battery SD is by A, D, diode D 2, switch element KG 1To the main circuit power supply of the DC power supply of equipment, power-on time is by adjustable resistance R 4The adjustment of adjusting generally can be at several seconds to 30 minutes, precision 1%.If the power failure time surpasses the making time of adjusting, then must be with resistance R 1Be parallel to D by the contact, this contact is driven by the AC supply voltage signal.
The utility model is widely used in RHVC, in uninterruption power source and the program control microwave communication power supply.

Claims (5)

1. electronic switch that is used for uninterruption power source, it comprises drive circuit, electronic switching element and electric power storage resistance pond group SD, it is characterized in that it also comprises by resistance R 5, diode D 2, and insulated gate bipolar transistor switching tube KG 1The power failure of forming drops into circuit and by resistance R 6, diode D 1With the charging circuit that described batteries SD forms, described drive circuit is by resistance R 1, R 2, R 3, R 4Form with functional module M;
Described resistance R 1, R 2And R 3Connect successively, wherein resistance R 2And R 3An end that is connected is connected described resistance R with the 1st pin of described functional module M simultaneously 4Two ends be connected with the 6th pin with the 7th of described module M respectively, the 4th pin of this module M is connected with described batteries SD, the 2nd of this module M is connected described diode D with the 3rd pin with the control end of external equipment 2Positive pole, resistance R 1And R 6An end three be connected in same node D, described diode D 2Negative pole, diode D 1Negative pole and described resistance R 6Other end three simultaneously and described switching tube KG 1Drain electrode be connected this switching tube KG 1Source electrode, the positive pole of diode, resistance R 6An end and module M and the 3rd pin be connected in node N altogether, this node N is connected with the negative pole of described batteries SD, described resistance R 5The other end simultaneously with the 5th pin and the described switching tube KG of described module M 1The control utmost point be connected, the positive pole of described batteries SD is connected with the major loop of the DC power supply of external equipment simultaneously by node A and described node D.
2. electronic switch according to claim 1 is characterized in that described node D goes up series connection one fuse RD.
3. electronic switch according to claim 1 is characterized in that described switching tube also comprises Darlington transistor, field effect transistor and electrostatic thyristor.
4. electronic switch according to claim 1 is characterized in that described functional module M adopts the M95000 type.
5. electronic switch according to claim 1 is characterized in that this electronic switch is furnished with the small-power uninterruption power source.
CN 95246599 1995-12-07 1995-12-07 Electronic switch for use in uninterruption power source Expired - Fee Related CN2253544Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95246599 CN2253544Y (en) 1995-12-07 1995-12-07 Electronic switch for use in uninterruption power source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95246599 CN2253544Y (en) 1995-12-07 1995-12-07 Electronic switch for use in uninterruption power source

Publications (1)

Publication Number Publication Date
CN2253544Y true CN2253544Y (en) 1997-04-30

Family

ID=33886151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 95246599 Expired - Fee Related CN2253544Y (en) 1995-12-07 1995-12-07 Electronic switch for use in uninterruption power source

Country Status (1)

Country Link
CN (1) CN2253544Y (en)

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