CN2363289Y - Warning timer for board-contact type thermo-relay - Google Patents

Warning timer for board-contact type thermo-relay Download PDF

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Publication number
CN2363289Y
CN2363289Y CN 99204202 CN99204202U CN2363289Y CN 2363289 Y CN2363289 Y CN 2363289Y CN 99204202 CN99204202 CN 99204202 CN 99204202 U CN99204202 U CN 99204202U CN 2363289 Y CN2363289 Y CN 2363289Y
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China
Prior art keywords
pin
relay
touch panel
overload
circuit
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Expired - Fee Related
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CN 99204202
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Chinese (zh)
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陆昌钦
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Individual
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Individual
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Priority to CN 99204202 priority Critical patent/CN2363289Y/en
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Publication of CN2363289Y publication Critical patent/CN2363289Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a warning timer which is particularly used for a board-contact type thermo-relay and is composed of a timing circuit, a warning circuit, a self-locking circuit, etc. The utility model has the structure that the output end of an overload power supply of the board-contact type thermo-relay and the output end of an overload open-phase rectified power supply are connected with the timing circuit and the warning circuit which are controlled by the self-locking circuit, and automatic warning and continuous warning can be realized through the warning timer which is connected with a power supply which is supplied by the board-contact type thermo-relay.

Description

The special-purpose alarm timer of touch panel formula electrothermal relay
The utility model relates to reports to the police or the relay field, specifically is the special-purpose warning timing device of a kind of relay.
China applies for a patent 98217012.2 disclosed a kind of touch panel formula electrothermal relays, be to constitute by relay, Current Regulation gong nail, stage clip, temperature compensation bimetallic strip, insulcrete, overload contact, phase failure contact, touch panel etc., heated bending promotes the touch panel displacement when utilizing three bimetallic strip overloads that connect three-phase supply, and then the trigger relay action, thereby cut off control loop; Or when the phase failure, thereby the voltage on the bimetallic strip cuts off control loop by the diode triggered relay.This touch panel formula electrothermal relay has simple in structure, the action sensitivity height, and it is fast to automatically reset, and characteristics such as be difficult for breaking down.But this relay can not overload, phase breaking alarm and operation monitoring.
The purpose of this utility model is to overcome the known touch panel formula electrothermal relay shortcoming regularly of can not reporting to the police, and a kind of special-purpose alarm timer of supporting touch panel formula electrothermal relay is provided.
The scheme that the utility model purpose realizes is that this alarm timer is made up of timing circuit, warning circuit and latching circuit three parts, be after the overload end of known touch panel formula electrothermal relay and overload, phase failure rectification power output end with regularly or/and the power input of warning circuit be connected, it is characterized in that timing circuit or/and the power input of warning circuit is connected with the latching circuit power output end earlier, the power input by latching circuit connects touch panel formula electrothermal relay again.
Latching circuit described in the utility model is made of self-locking supply unit and dual power supply device.Respectively by transformer B 1Connect touch panel formula electrothermal relay overload device live wire power supply and transformer B 2Connect self-locking supply unit live wire power supply, transformer B 1And B 2Be together in parallel after the rectification as the direct power supply of timing circuit and warning circuit.
The utility model principle of work is as follows: when touch panel formula electrothermal relay in when work, the overload movable contact spring of electrothermal relay overload device does not contact static contact, the alarm timer no power is not reported to the police.When electromotor overload, touch panel formula electrothermal relay overload movable contact spring contacts static contact, alarm timer energising work this moment is also reported to the police, reduced motor load, motor current tails off, the overload movable contact spring leaves static contact gradually, makes the alarm timer outage and stops warning, illustrates that also motor recovers normal operation.Normally do not move if electromotor overload takes measures to recover motor, then alarm timer work is reported to the police.Allow overload time when surpassing; the relay adhesive of delay circuit is connected touch panel formula electrothermal relay overload commutator tube and is made the action of touch panel formula electrothermal relay; cut off control loop protection motor; alarm timer obtains transshipping behind the power rectifier or phase failure power rectifier after-current triggers the relay work of latching circuit; alarm connects reports to the police; have only by normally closed button, reporting to the police just stops.
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the circuit diagram of the utility model embodiment.
As shown in the figure, by relay J, overload static contact, overload movable contact spring, bridge rectifier D 2, D 3Deng constituting touch panel formula electrothermal relay, overload socket Cz is housed on its insulation crust 1With continuous alarm socket Cz 2, wherein transship socket Cz 1, connect touch panel formula electrothermal relay overload power supply; Continuous alarm socket Cz 2Power supply after connection touch panel formula electrothermal relay overload and the phase failure rectification.
Timing warner is made up of timing circuit, warning circuit, latching circuit and plug, wherein:
Overload plug Ct 11 pin connects timing relay J 12 pin and transformer B 13 pin, plug Ct 11 pin contact corresponding touch panel formula electrothermal relay overload socket Cz 14 contacts, plug Ct 15 pin connect timing relay J 16 pin, plug Ct 15 contacts corresponding overload socket Cz 17 touch bases.
Continuous alarm plug Ct 28 pin connect current-limiting resistance R 1, R 1The other end connects latching relay J 29, plug Ct 210 connect latching relay J 211.Capacitor C 1Relay J in parallel 2Solenoid.Plug Ct 28 contacts corresponding touch panel formula electrothermal relay socket Cz 212 contacts, plug Ct 210 contact respective socket Cz 213 contacts, plug Ct 214 connect transformer B 115 and transformer B 216 as the transformer frequency response zero line.Plug Ct 214 contact respective socket Cz 217 touch bases, this place connects the 220V zero-power line.
Relay J 218 and relay J 319 backs in parallel connect transformer B 220, relay J 221 and relay J 322 backs in parallel connect normally closed button SB23, and SB24 connects power supply 220V live wire.Bridge rectifier D 125 succeed electrical equipment J 319, D 126 meet transformer B 216, D 127 meet current-limiting resistance R 2One end, R 2Another relay termination J 328, D 129 succeed electrical equipment J 330.Capacitor C 2Relay J in parallel 3Solenoid.This is circuit formation self-locking supply unit partly.
Transformer B 1By overload plug Ct 1220V live wire power supply is provided, and power supply is controlled by touch panel formula electrothermal relay overload device.Transformer B 2Provide 220V power supply by latching relay, triggered by touch panel formula electrothermal relay rectification after-current, button SB control.Transformer B 1And B 2Be connected with bridge rectifier D respectively 4And D 5, transformer B 1After the rectification and transformer B 2Be together in parallel after the rectification as the direct power supply of timing relay and alarm.
Integrated circuit (IC) 11 pin connecting resistance R 3, resistance R 3Another termination transistor BG 1Base stage, transistor BG 1Emitter connects the power supply electronegative potential, transistor BG 1Collector connecting relay J 1Solenoid one end and diode D 4Negative pole, relay J 1Solenoid one termination power noble potential, diode D 4Positive pole connects integrated circuit (IC) 19 pin, integrated circuit IG 18 pin connect the power supply electronegative potential.Integrated circuit (IC) 19 pin connect capacitor C 3One end, capacitor C 3Another termination potentiometer W 1One end, potentiometer W 1Other end connecting resistance R 4One end, resistance R 4Another termination integrated circuit (IC) 111 pin, integrated circuit (IC) 110 pin connecting resistance R 6One end resistance R 5Another termination potentiometer W 2One end, potentiometer W 2The other end is received capacitor C 3With potentiometer W 1Between connecting line on.Integrated circuit (IC) 112 pin connect capacitor C 4Negative pole and resistance R 6One end, resistance R 6Another termination power electronegative potential, capacitor C 4 positive poles connect the power supply noble potential.Resistance R 7One termination power noble potential, resistance R 7Another termination power electronegative potential, diode D 5Positive pole connects the power supply noble potential, diode D 5Negative pole connects the power supply electronegative potential.Capacitor C 5Positive pole connects power supply noble potential, capacitor C 5Negative pole connects the power supply electronegative potential.This is circuit formation delay circuit partly.
When timer obtains overload current, by C 3, R 4, R 5, W 1, W 2With IC 1The RC oscillatory circuit that inner not gate is formed begins to produce vibration.Regularly use W 2Alignment time, after timing arrives, IC 11 pin outputs level signals, this signal drives relay J through R3, BG1 1The action of touch panel formula electrothermal relay is connected in adhesive, cuts off control loop.IC 112 but with C 4, R 6Form automatic reset circuit.
Resistance R 8One termination power noble potential, resistance R 8Another termination tablet IC 21 with 2 pin and be connected loudspeaker Y one end, another termination transistor of loudspeaker BG 2Collector on.Tablet IC 23 pin meet transistor BG 2Base stage and capacitor C 6Positive pole, transistor BG 2Emitter connects power supply electronegative potential, capacitor C 6Negative pole connect power discharging IC 31 pin.Tablet IC 24 pin connecting resistance R 9One end, resistance R 9Another termination tablet IC 25 pin, tablet IC 26 pin connect the power supply electronegative potential.Power discharging IC 32 pin connect capacitor C 7Positive pole, capacitor C 7Negative pole connecting resistance R 10One end, resistance R 10Another termination power electronegative potential, power discharging IC 33 pin connect power supply electronegative potential, power discharging IC 34 pin connect power supply noble potential, power discharging IC 35 pin connect capacitor C 8Positive pole and resistance R 11An end, resistance R 11Another termination capacitor C 7And resistance R 10Between connecting line on.Capacitor C 8Negative pole combination hub Cz 31 end, socket Cz 32 termination power electronegative potentials.This is circuit formation warning circuit partly.
When alarm gets when electric tablet IC 23 pin output audio electric currents are through transistor BG 2The promotion loudspeaker sounds the alarm.While tablet IC 23 pin output audio electric currents are given power discharging IC 3, through power discharging IC 3The tone currents that amplifies promotes external power loudspeaker and sounds the alarm.

Claims (3)

1. the special-purpose alarm timer of a touch panel formula electrothermal relay, power end after the overload output terminal of touch panel formula electrothermal relay and overload, the phase failure rectification with timing circuit or/and the input end of warning circuit be connected, it is characterized in that timing circuit or/and the power input of warning circuit is connected with the latching circuit power output end earlier, the power input by latching circuit connects touch panel formula electrothermal relay again.
2. according to the special-purpose alarm timer of the described touch panel formula of claim 1 electrothermal relay, it is characterized in that latching circuit is made of self-locking supply unit and dual power supply device, wherein:
The self-locking power device structure is a relay J 218 pin connect relay J 319 pin, relay J 221 pin relay J in parallel 3Be connected with normally closed button SB23 pin behind 22 pin, the SB24 pin connects power firestreak, bridge rectifier D 125 pin meet J 319 pin, D 126 meet transformer B 216, D 127 pin meet current-limiting resistance R 2One end, R 2Another termination J 328 pin, D 129 pin meet J 330 pin, capacitor C 2Relay J in parallel 3Solenoid;
The dual power supply apparatus structure is transformer B 1Power input connects touch panel formula electrothermal relay overload device, transformer B 2Power input connects self-locking supply unit power output end, transformer B 1And B 2Be connected with bridge rectifier D respectively 4And D 5, B 1And B 2After the rectification output end parallel connection with timing circuit or/and the power input of warning circuit be connected.
3. according to claim 1 or the special-purpose alarm timer of 2 described touch panel formula electrothermal relays, it is characterized in that alarm timer is to be connected with touch panel formula electrothermal relay with the plug plug-in type, wherein:
Overload plug Ct 11 pin connects the timing relay J of timing circuit 12 pin and transformer B 1, Ct 11 contact corresponding touch panel formula electrothermal relay overload socket Cz 14 contacts, Ct 15 pin connect J 16 pin, Ct 15 contacts corresponding overload socket Cz 17 touch bases;
Continuous alarm plug Ct 28 pin series limiting resistor R 1Back and latching relay J 2Connect Ct 210 pin connect J 211 pin, Ct 28 contacts corresponding touch panel formula electrothermal relay socket Cz 2Positive pole, Ct 2The corresponding Cz in 10 contacts 2Negative pole, plug Ct 214 pin connect transformer B 1And B 2Make the transformer frequency response zero line.
CN 99204202 1999-03-01 1999-03-01 Warning timer for board-contact type thermo-relay Expired - Fee Related CN2363289Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 99204202 CN2363289Y (en) 1999-03-01 1999-03-01 Warning timer for board-contact type thermo-relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 99204202 CN2363289Y (en) 1999-03-01 1999-03-01 Warning timer for board-contact type thermo-relay

Publications (1)

Publication Number Publication Date
CN2363289Y true CN2363289Y (en) 2000-02-09

Family

ID=33999049

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99204202 Expired - Fee Related CN2363289Y (en) 1999-03-01 1999-03-01 Warning timer for board-contact type thermo-relay

Country Status (1)

Country Link
CN (1) CN2363289Y (en)

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