CN100440668C - Output circuit device of self-controlled breaking protective signal relay - Google Patents
Output circuit device of self-controlled breaking protective signal relay Download PDFInfo
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- CN100440668C CN100440668C CNB2004100223203A CN200410022320A CN100440668C CN 100440668 C CN100440668 C CN 100440668C CN B2004100223203 A CNB2004100223203 A CN B2004100223203A CN 200410022320 A CN200410022320 A CN 200410022320A CN 100440668 C CN100440668 C CN 100440668C
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Abstract
The present invention relates to an output circuit device of a self-controlled circuit breaking protection signal relay used for protecting circuits and loads from switching off a main circuit due to open phases, undervoltage and overvoltage, which is composed of an overvoltage relay, an undervoltage relay and a short circuit overvoltage relay which can temporarily enable the undervoltage relay to be electrically attracted, wherein the voltage relay and the undervoltage relay are serially connected. The circuit device can be used for self-controlled circuit breaking protection circuits and can have a reliable safety protection function to the main circuit and the loads, especially motors, when the open phases, the undervoltage and the overvoltage happen, and external signals of overcurrent, electric leakage, etc. are convenient to be led in to carry out circuit breaking control.
Description
Technical field
The present invention relates to a kind ofly be used for protective circuit and load thereof because of phase shortage, under-voltage, self-controlled circuir break protective signal relay output circuit device that overvoltage disconnects the self-controlled circuit break protective circuit of main circuit.
Background technology
Existing main circuit breaking protection circuit, then defencive function is incomplete to adopt relay, and then cost is higher to adopt electronic circuit, makes it be difficult for popularization and application.
Summary of the invention
The purpose of this invention is to provide a kind of self-controlled circuir break protective signal relay output circuit device that is used for self-controlled circuit break protective circuit; when phase shortage, under-voltage, overpressure situation take place in the main circuit running; can be to main circuit and load thereof; particularly motor plays the open circuit protection effect; and be convenient to introduce various sensitive signals and carry out open circuit protection, be that a kind of function is complete, simple structure, be easy to the self-controlled circuit break protective circuit device of popularization and application.
The object of the present invention is achieved like this: this automatic control output circuit device adopts overvoltage relay back and of connect with under-voltage relay temporarily to make the switch on circuit of short circuit overvoltage relay of adhesive of under-voltage relay; perhaps adopt the voltage doubling rectifing circuit of the control overvoltage relay back of connect with the voltage doubling rectifing circuit of control under-voltage relay to switch on so that the short circuit of under-voltage relay adhesive is controlled the circuit of the voltage doubling rectifing circuit of overvoltage relay with a temporary transient voltage doubling rectifing circuit of control under-voltage relay that makes; starting switch in the sort circuit is through temporary transient the connection and after disconnecting; overvoltage relay enters operating state; after being activated, under-voltage relay enters operating state, when main circuit occurs under-voltage; output open circuit protection switching signal during overvoltage.Concrete scheme is as follows:
Self-controlled circuir break protective signal relay output circuit device is characterized in that adopting AC relay to pick up circuir break protective signal and exports the open circuit protection switching signal, by the overvoltage relay g and the first under-voltage relay q
1Series connection, one of starting switch Kq is terminated at potential relay g, the first under-voltage relay q
1Node, other end short circuit overvoltage relay g is so that the first under-voltage relay q
1The energising adhesive, as shown in Figure 1.This situation is that another A.C. contactor by pull-in winding control is adopted by AC relay control two-phase.
Another kind of self-controlled circuir break protective signal relay output circuit device is on the basis of basic structure in front, control two-phase by direct current relay: adopt direct current relay to pick up circuir break protective signal and export the open circuit protection switching signal, with the load of overvoltage relay g as the first voltage multiplying rectifier power supply, the first shunt resistance Rg in parallel with overvoltage relay g forms multiplication of voltage overvoltage relay G in order to proofread and correct overpressure value; With the first under-voltage relay q
1As the load of the second voltage multiplying rectifier power supply, with the first under-voltage relay q
1The second shunt resistance Rq in parallel is in order to proofread and correct under-voltage value, with the first under-voltage relay q
1One in parallel connects the connection formation first unidirectional charging circuit, second capacitor C
2Second resistance R in parallel
2The back and the second diode T
2Series connection constitutes the second unidirectional charging circuit, constitutes switch by one first unidirectional charging circuit of reverse charged direction and one second unidirectional charging circuit parallel connection again and is used as electronic switch, perhaps first capacitor C wherein
1, second capacitor C
2The first triode T with base stage charging conducting
3, the second triode T
4Replace, form switch and be used as electronic switch.
The present invention is used for the self-controlled circuit break protective circuit device; this circuit arrangement and control power supply switch circuit and switching circuit are constituted the self-controlled circuit break protective circuit device jointly; it in running the output that the control power supply is switched to the main circuit switch contact from the input of main circuit switch contact; when causing the circuit phase shortage, reasons such as the switch contact loose contact occur comprises that single phase poaer supply scarce " fire " lacks " zero " or voltage fluctuation causes that circuit is under-voltage; during overpressure situation; can cut off the electricity supply and realize the main circuit break protecting; and be convenient to introduce overload; extraneous signals such as electric leakage carry out open circuit protection; defencive function is complete; cost is low, is easy to popularization and application.
This circuit arrangement is equivalent to " self-controlled circuir break protective signal output circuit " (number of patent application 01145594.2) integrated circuit; can be by a plurality of relays and being integral of enclosure group relay circuit thereof; also can form relay circuit by resolution element; under-voltage relay wherein, overvoltage relay can be miniature relays, also can be midget relaies.
Description of drawings
Fig. 1 is by AC relay control two-phase, another self-controlled circuir break protective signal relay output circuit structure drawing of device that A.C. contactor adopted by pull-in winding control;
Fig. 2 is by direct current relay control two-phase, another self-controlled circuir break protective signal relay output circuit structure drawing of device that A.C. contactor adopted by pull-in winding control, also can be used as the self-controlled circuir break protective signal relay output circuit structure drawing of device that the control single-phase circuit breaker comprises earth leakage circuit-breaker;
Fig. 3, Fig. 4, Fig. 5, Fig. 6 are the self-controlled circuir break protective signal relay output circuit structure drawing of device of the may command three-phase that adopts of A.C. contactor or circuit breaker;
Fig. 7 is the circuit structure diagram of the time relay that starting switch adopted in the self-controlled circuir break protective signal relay output circuit device;
Fig. 8, Fig. 9 are the circuit structure diagrams of the electronic switch that starting switch adopted in the self-controlled circuir break protective signal relay output circuit device;
Figure 10 is that self-controlled circuir break protective signal relay output circuit device is used for A.C. contactor, after start button disconnects and self fail before the operate as normal by switching the circuit structure diagram that the pull-in winding loop is connected in continuation in short-term in the contact;
Figure 11 is that self-controlled circuir break protective signal relay output circuit device is used for the snap close energy-saving alternating current contactor, the control circuit structure chart of tripping coil;
Connection constitutes the first unidirectional charging circuit, second capacitor C
2Second resistance R in parallel
2The back and the second diode T
2Series connection constitutes the second unidirectional charging circuit, constitutes switch by one first unidirectional charging circuit of reverse charged direction and one second unidirectional charging circuit parallel connection again and is used as electronic switch, perhaps first capacitor C wherein
1, second capacitor C
2The first triode T with base stage charging conducting
3, the second triode T
4Replace, form switch and be used as electronic switch.
The present invention is used for the self-controlled circuit break protective circuit device; this circuit arrangement and control power supply switch circuit and switching circuit are constituted the self-controlled circuit break protective circuit device jointly; it in running the output that the control power supply is switched to the main circuit switch contact from the input of main circuit switch contact; when causing the circuit phase shortage, reasons such as the switch contact loose contact occur comprises that single phase poaer supply scarce " fire " lacks " zero " or voltage fluctuation causes that circuit is under-voltage; during overpressure situation; can cut off the electricity supply and realize the main circuit break protecting; and be convenient to introduce overload; extraneous signals such as electric leakage carry out open circuit protection; defencive function is complete; cost is low, is easy to popularization and application.
This circuit arrangement is equivalent to " self-controlled circuir break protective signal output circuit " (number of patent application 01145594.2) integrated circuit; can be by a plurality of relays and being integral of enclosure group relay circuit thereof; also can form relay circuit by resolution element; under-voltage relay wherein, overvoltage relay can be miniature relays, also can be midget relaies.
Description of drawings
Fig. 1 is by AC relay control two-phase, another self-controlled circuir break protective signal relay output circuit structure drawing of device that A.C. contactor adopted by pull-in winding control;
Fig. 2 is by direct current relay control two-phase, another self-controlled circuir break protective signal relay output circuit structure drawing of device that A.C. contactor adopted by pull-in winding control, also can be used as the self-controlled circuir break protective signal relay output circuit structure drawing of device that the control single-phase circuit breaker comprises earth leakage circuit-breaker;
Fig. 3, Fig. 4, Fig. 5, Fig. 6 are the self-controlled circuir break protective signal relay output circuit structure drawing of device of the may command three-phase that adopts of A.C. contactor or circuit breaker;
Fig. 7 is the circuit structure diagram of the time relay that starting switch adopted in the self-controlled circuir break protective signal relay output circuit device;
Fig. 8, Fig. 9 are the circuit structure diagrams of the electronic switch that starting switch adopted in the self-controlled circuir break protective signal relay output circuit device;
Figure 10 is that self-controlled circuir break protective signal relay output circuit device is used for A.C. contactor, after start button disconnects and self fail before the operate as normal by switching the circuit structure diagram that the pull-in winding loop is connected in continuation in short-term in the contact;
Figure 11 is that self-controlled circuir break protective signal relay output circuit device is used for the snap close energy-saving alternating current contactor, the control circuit structure chart of tripping coil;
Figure 12, Figure 13 are the control circuit structure charts that self-controlled circuir break protective signal relay output circuit device is used for remanent magnetism energy-saving alternating current contactor pull-in winding.
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing:
In Fig. 1, the overvoltage relay g and the first under-voltage relay q
1Series connection, one of starting switch Kq is terminated at the overvoltage relay g and the first under-voltage relay q
1Node, other end short circuit overvoltage relay g is so that the first under-voltage relay q
1The energising adhesive.
The operation principle of Fig. 1 is: be used for A.C. contactor by " phase shortage, under-voltage, overvoltage breaking protection circuit " patented technology (application number 01128945.7), be connected on the under-voltage relay contact switch q in the pull-in winding loop when phase shortage, under-voltage, overvoltage appear in main circuit
1' or overvoltage relay contact switch g ' disconnection and disconnect main circuit.
In Fig. 2, multiplication of voltage overvoltage relay G adopts the load of overvoltage relay g as the first voltage multiplying rectifier power supply, and in parallel with overvoltage relay g and constitute by the first shunt resistance Rg, the first shunt resistance Rg is in order to the correction overpressure value; The first multiplication of voltage under-voltage relay Q
1Be to adopt the first under-voltage relay q
1As the load of the second voltage multiplying rectifier power supply, by the second shunt resistance Rq and the first under-voltage relay q
1In parallel, current-limiting resistance of collector electrode series connection of triode Tq is connected to the positive pole of the second voltage multiplying rectifier power supply, the emitter of triode Tq is connected to the negative pole of the second voltage multiplying rectifier power supply, the base stage of triode Tq inserts extraneous signal and constitutes, the second shunt resistance Rq is in order to proofread and correct under-voltage value, and triode Tq realizes open circuit protection control in order to insert extraneous signal; The multiplication of voltage overvoltage relay G and the first multiplication of voltage under-voltage relay Q
1Series connection, one of starting switch Kq is terminated at the multiplication of voltage overvoltage relay G and the first multiplication of voltage under-voltage relay Q
1Node, other end short circuit multiplication of voltage overvoltage relay G is so that the first multiplication of voltage under-voltage relay Q
1The energising adhesive.Multiplication of voltage overvoltage relay G, the first multiplication of voltage under-voltage relay Q
1Represent with illustrated symbol.
The operation principle of Fig. 2 is identical with Fig. 1, adopts direct current relay to replace AC relay, can also introduce extraneous signal and realize open circuit protection control, and its principle is: extraneous signal acts on triode Tq and causes the first multiplication of voltage under-voltage relay Q
1Under-voltage and output open circuit protection switching signal disconnects main circuit.
In Fig. 3, overvoltage relay g, the first under-voltage relay q
1, the second under-voltage relay q
2Press star connection, Y connection, one of starting switch Kq is terminated at overvoltage relay g, the first under-voltage relay q
1, the second under-voltage relay q
2Node, other end short circuit overvoltage relay g is so that the first under-voltage relay q
1, the second under-voltage relay q
2The energising adhesive.
Fig. 3 has increased by one second under-voltage relay q on the basis of Fig. 1
2, its operation principle is identical with Fig. 1.
In Fig. 4, overvoltage relay g and the 3rd under-voltage relay q
3Series connection, the 3rd under-voltage relay q
3One is terminated at the first under-voltage relay q
1, the second under-voltage relay q
2Node, with the first under-voltage relay q
1, the second under-voltage relay q
2Constitute star connection, Y connection, one of starting switch Kq is terminated at overvoltage relay g, the 3rd under-voltage relay q
3Node, other end short circuit overvoltage relay g is so that the first under-voltage relay q
1, the second under-voltage relay q
2, the 3rd under-voltage relay q
3The energising adhesive.
Fig. 4 has increased by one the 3rd under-voltage relay q on the basis of Fig. 3
3, its operation principle is identical with Fig. 3.
In Fig. 5, multiplication of voltage overvoltage relay G, the first multiplication of voltage under-voltage relay Q
1, the second multiplication of voltage under-voltage relay Q
2Press star connection, Y connection, one of starting switch Kq is terminated at multiplication of voltage overvoltage relay G, the first multiplication of voltage under-voltage relay Q
1, the second multiplication of voltage under-voltage relay Q
2Node, other end short circuit multiplication of voltage overvoltage relay G is so that the first multiplication of voltage under-voltage relay Q
1, the second multiplication of voltage under-voltage relay Q
2The energising adhesive.
Fig. 5 has increased by one second multiplication of voltage under-voltage relay Q on the basis of Fig. 2
2, the second multiplication of voltage under-voltage relay Q
2With the first multiplication of voltage under-voltage relay Q
1Structure identical, the operation principle of Fig. 5 is identical with Fig. 2.
In Fig. 6, multiplication of voltage overvoltage relay G and the 3rd multiplication of voltage under-voltage relay Q
3Series connection, the 3rd multiplication of voltage under-voltage relay Q
3Be connected to the first multiplication of voltage under-voltage relay Q after being connected to an electric capacity of two rectifier diode nodes in the voltage doubling rectifing circuit of short circuit inside
1, the second multiplication of voltage under-voltage relay Q
2Node, with the first multiplication of voltage under-voltage relay Q
1, the second multiplication of voltage under-voltage relay Q
2Constitute star connection, Y connection, one of starting switch Kq is terminated at multiplication of voltage overvoltage relay G and the 3rd multiplication of voltage under-voltage relay Q
3Node, other end short circuit multiplication of voltage overvoltage relay G is so that the first multiplication of voltage under-voltage relay Q
1, the second multiplication of voltage under-voltage relay Q
2, the 3rd multiplication of voltage under-voltage relay Q
3The energising adhesive.
Fig. 6 has increased by one the 3rd multiplication of voltage under-voltage relay Q on the basis of Fig. 5
3, the 3rd multiplication of voltage under-voltage relay (Q
3) and the first multiplication of voltage under-voltage relay (Q
1) structure identical, the operation principle of Fig. 6 is identical with Fig. 5.
In Fig. 7, direct current relay Z, capacitor C parallel connection become a time relay---call " LC relay " in the following text.Make contact in the LC relay is in order to replace the starting switch Kq that time-delay disconnects in the self-controlled circuir break protective signal relay output circuit device, the first under-voltage relay q
1, the second under-voltage relay q
2, the 3rd under-voltage relay q
3In make contact, the series connection of break contact among the overvoltage relay g, comprise with A.C. contactor " start---operation " during power supply double-throw contact in the pull-in winding loop back of connect in parallel with another make contact in the LC relay in order to replace the power supply switch circuit (not illustrating) in the pull-in winding loop during start button switch in the A.C. contactor pull-in winding loop and the replacement " startup moves ".
The operation principle of Fig. 7 is: the start button that the start button of A.C. contactor is used as the LC relay; the start button switch of former A.C. contactor replaces with the make contact in the LC relay; another make contact of LC relay replaces starting switch Kq; when the LC relay starts; the capacitor C charging; after disconnecting the LC relay power; the capacitor C discharge is as the power supply of keeping of LC relay; in this course; under-voltage relay in the self-controlled circuir break protective signal relay output circuit starts; LC relay end-of-job subsequently; starting switch disconnects; self-controlled circuir break protective signal relay output circuit operate as normal is by the first under-voltage relay q
1, the second under-voltage relay q
2, the 3rd under-voltage relay q
3In make contact, the pull-in winding loop that the break contact among the overvoltage relay g is controlled A.C. contactor; By the A.C. contactor of single under-voltage relay control, do not control the first under-voltage relay q
1, overvoltage relay g the main contacts output be used as single phase poaer supply in the pull-in winding loop.
In Fig. 8, by first capacitor C
1First resistance R in parallel
1The back and the first diode T
1Series connection constitutes the first unidirectional charging circuit, second capacitor C
2Second resistance R in parallel
2The back and the second diode T
2Series connection constitutes the second unidirectional charging circuit, constitutes switch by one first unidirectional charging circuit of reverse charged direction and one second unidirectional charging circuit parallel connection again and is used as electronic switch, and represent that with illustrated symbol this figure then claims switch C.
In Fig. 9, adopt the first triode T of charging conducting
3, the second triode T
4Replace first capacitor C among Fig. 8
1, second capacitor C
2Constitute electronic switch, and represent that with illustrated symbol this figure then claims switch T.
In Figure 10; this autocontrol relay output circuit device is by the output control of main circuit switch contact; by " phase shortage; under-voltage; the overvoltage breaking protection circuit " (application number 01128945.7); " self-controlled circuit break protective circuit " (application number 01145595.0) patented technology is used for A.C. contactor or circuit breaker; contact with under-voltage relay; connect or compose in parallel the QG switch in the contact of overvoltage relay; the QG switch of series connection is represented with illustrated symbol; QG switch in parallel is represented with the symbol shown in symbol Figure 11; the QG switch can be the switch that the relay contact among the present invention is formed; it also can be contact switch by the auxiliary relay of its control; the QG switch of series connection; the moving S ' series connection back, auxilliary contact of closing by pull-in winding S control is in parallel with startup button QA; again with this with stop button TA; pull-in winding S series connection; switch C or switch T and QG switch in parallel constitute automatic control open circuit protection A.C. contactor pull-in winding control circuit.
Fig. 8, Fig. 9 are self-controlled circuir break protective signal relay output circuit device was used for replacing starting switch before self fails operate as normal circuit structure diagrams.Figure 10 is that self-controlled circuir break protective signal relay output circuit continued to connect in short-term the circuit structure diagram in pull-in winding loop before self fails operate as normal after the A.C. contactor start button disconnects.The operation principle of Fig. 8, Fig. 9, Figure 10 is: rightabout charge circuit charging finishes to be equivalent to the disconnection electronic switch, and its effect is equivalent to the contact switch of the time relay.
In Figure 11; connect with the QG switch of LC relay break contact Z ', parallel connection after tripping coil H, the capacitor C h parallel connection; insert three-phase rectifier power supply; capacitor C ' h one is terminated at positive source; the other end is connected to power cathode; stop button TA one and be terminated at positive source, the other end is connected to the node of capacitor C h and tripping coil H, constitutes the energy-saving automatic control open circuit protection of snap close A.C. contactor tripping coil control circuit.Short circuit LC relay break contact Z ' then becomes automatic control open circuit protection circuit breaker tripping coil control circuit.
The operation principle of Figure 11 is: LC relay break contact Z ' disconnection when A.C. contactor starts, the QG switch disconnects subsequently, adjust behind the delay time, LC relay break contact Z ' closure, when situations such as phase shortage, under-voltage, overvoltage, dead electricity appear in main circuit, the QG switch closure, tripping coil H switches on and disconnects main contacts.
In Figure 12, insert negative and positive dual power after pull-in winding S, the capacitor C s parallel connection and constitute the energy-saving automatic control open circuit protection of remanent magnetism A.C. contactor pull-in winding control circuit, wherein positive supply is by single-phase rectifier diode T
1Tandem promoter button QA is as the startup power supply of pull-in winding S after the rectification, and negative supply is by three phase rectifier diode T
2Series limiting resistor R, the moving QG switch that closes auxilliary contact S ', parallel connection after the rectification, the QG switch in parallel stops the degaussing power supply of button TA as pull-in winding S.
The operation principle of Figure 12 is: press startup button QA, positive supply single-phase rectifier diode T
1Conducting, the energising of pull-in winding S forward, capacitor C s positive charge is moved subsequently and is closed auxilliary contact S ' closure simultaneously, and the QG switch disconnects; Disconnect startup button QA, capacitor C s is discharged to zero current, and A.C. contactor relies on remanent magnetism to keep adhesive; When situations such as phase shortage, under-voltage, overvoltage appear in main circuit, QG switch closure, negative supply three phase rectifier diode T
2Conducting, pull-in winding S oppositely switches on degaussing and loses adhesive, and moving closing assisted contact S ' disconnection and the disconnection negative supply.
In Figure 13, insert positive and negative duplicate supply after pull-in winding S, the capacitor C s parallel connection and constitute the energy-saving automatic control open circuit protection of remanent magnetism A.C. contactor pull-in winding control circuit, wherein positive supply is by rectifier diode T
1As the startup power supply of pull-in winding S, negative supply is by rectifier diode T behind the tandem promoter button QA
2Series resistance R, moving close auxilliary contact S ', resistance R ', QG switch in parallel, the QG switch in parallel stops button TA, capacitor C ' s one be terminated at resistance R ' with the moving node that closes auxilliary contact S ', after the other end is connected to the node of capacitor C s and pull-in winding S, as the degaussing power supply of pull-in winding S.
The operation principle of Figure 13 is: press startup button QA, positive supply rectifier diode T
1Conducting, the energising of pull-in winding S forward, capacitor C s positive charge is moved subsequently and is closed auxilliary contact S ' closure simultaneously, and the QG switch disconnects; Disconnect startup button QA, capacitor C s is discharged to zero current, and A.C. contactor relies on remanent magnetism to keep adhesive; When situation such as phase shortage, under-voltage, overvoltage, dead electricity occurring when main circuit, the QG switch closure, capacitor C ' s discharge, pull-in winding S oppositely switches on degaussing and loses adhesive, movingly closes auxilliary contact S ' disconnections and the disconnection negative supply.
Claims (7)
1. self-controlled circuir break protective signal relay output circuit device is characterized in that: include multiplication of voltage overvoltage relay (G), the first multiplication of voltage under-voltage relay (Q
1) and starting switch (Kq);
Described multiplication of voltage overvoltage relay (G) is to adopt the load of overvoltage relay (g) as the first voltage multiplying rectifier power supply, and in parallel with overvoltage relay (g) and constitute by first shunt resistance (Rg), first shunt resistance (Rg) is in order to the correction overpressure value;
The described first multiplication of voltage under-voltage relay (Q
1) be to adopt the first under-voltage relay (q
1) as the load of the second voltage multiplying rectifier power supply, by second shunt resistance (Rq) and the first under-voltage relay (q
1) parallel connection, current-limiting resistance of collector electrode series connection of triode (Tq) is connected to the positive pole of the second voltage multiplying rectifier power supply, the emitter of triode (Tq) is connected to the negative pole of the second voltage multiplying rectifier power supply, the base stage of triode (Tq) inserts extraneous signal and constitutes, second shunt resistance (Rq) is in order to proofread and correct under-voltage value, and triode (Tq) is realized open circuit protection control in order to insert extraneous signal;
The described multiplication of voltage overvoltage relay (G) and the first multiplication of voltage under-voltage relay (Q
1) series connection, one of starting switch (Kq) is terminated at the multiplication of voltage overvoltage relay (G) and the first multiplication of voltage under-voltage relay (Q
1) node, other end short circuit multiplication of voltage overvoltage relay (G) is so that the first multiplication of voltage under-voltage relay (Q
1) the energising adhesive.
2. self-controlled circuir break protective signal relay output circuit device according to claim 1 is characterized in that: this self-controlled circuir break protective signal relay output circuit device also has the second multiplication of voltage under-voltage relay (Q
2), the second multiplication of voltage under-voltage relay (Q
2) and the first multiplication of voltage under-voltage relay (Q
1) structure identical, multiplication of voltage overvoltage relay (G), the first multiplication of voltage under-voltage relay (Q
1), the second multiplication of voltage under-voltage relay (Q
2) press star connection, Y connection, one of starting switch (Kq) is terminated at multiplication of voltage overvoltage relay (G), the first multiplication of voltage under-voltage relay (Q
1), the second multiplication of voltage under-voltage relay (Q
2) node, other end short circuit multiplication of voltage overvoltage relay (G) is so that the first multiplication of voltage under-voltage relay (Q
1), the second multiplication of voltage under-voltage relay (Q
2) the energising adhesive.
3. self-controlled circuir break protective signal relay output circuit device according to claim 1 is characterized in that: this self-controlled circuir break protective signal relay output circuit device also has the second multiplication of voltage under-voltage relay (Q
2) and the 3rd multiplication of voltage under-voltage relay (Q
3), the second multiplication of voltage under-voltage relay (Q
2), the 3rd multiplication of voltage under-voltage relay (Q
3) and the first multiplication of voltage under-voltage relay (Q
1) structure identical, multiplication of voltage overvoltage relay (G) and the 3rd multiplication of voltage under-voltage relay (Q
3) end series connection, the 3rd multiplication of voltage under-voltage relay (Q
3) the other end be connected to the first multiplication of voltage under-voltage relay (Q
1), the second multiplication of voltage under-voltage relay (Q
2) node, with the first multiplication of voltage under-voltage relay (Q
1), the second multiplication of voltage under-voltage relay (Q
2) constitute star connection, Y connection, wherein, the 3rd multiplication of voltage under-voltage relay (Q
3) coupling capacitance of voltage multiplying rectifier power output end parallel connection of short circuit inside, one of starting switch (Kq) is terminated at multiplication of voltage overvoltage relay (G) and the 3rd multiplication of voltage under-voltage relay (Q
3) node, other end short circuit multiplication of voltage overvoltage relay (G) is so that the first multiplication of voltage under-voltage relay (Q
1), the second multiplication of voltage under-voltage relay (Q
2), the 3rd multiplication of voltage under-voltage relay (Q
3) the energising adhesive.
4. self-controlled circuir break protective signal relay output circuit device according to claim 1 is characterized in that the starting switch (Kq) in this self-controlled circuir break protective signal relay output circuit device is the time-delay cut-off switch.
5. self-controlled circuir break protective signal relay output circuit device according to claim 4; it is characterized in that starting switch (Kq) is a time relay contact switch, by direct current relay (Z), electric capacity (C) the LC relay that constitutes in parallel as the time relay.
6. self-controlled circuir break protective signal relay output circuit device according to claim 4 is characterized in that starting switch (Kq) is an electronic switch, by the first electric capacity (C
1) the first resistance (R in parallel
1) back and the first diode (T
1) the series connection formation first unidirectional charging circuit, the second electric capacity (C
2) the second resistance (R in parallel
2) back and the second diode (T
2) series connection constitutes the second unidirectional charging circuit, constitute switch by one first unidirectional charging circuit of reverse charged direction and one second unidirectional charging circuit parallel connection again and be used as electronic switch.
7. self-controlled circuir break protective signal relay output circuit device according to claim 6 is characterized in that the first electric capacity (C in the electronic switch
1), the second electric capacity (C
2) with the first triode (T of base stage charging conducting
3), the second triode (T
4) replace, form switch and be used as electronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100223203A CN100440668C (en) | 2004-04-14 | 2004-04-14 | Output circuit device of self-controlled breaking protective signal relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100223203A CN100440668C (en) | 2004-04-14 | 2004-04-14 | Output circuit device of self-controlled breaking protective signal relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1564411A CN1564411A (en) | 2005-01-12 |
| CN100440668C true CN100440668C (en) | 2008-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100223203A Expired - Fee Related CN100440668C (en) | 2004-04-14 | 2004-04-14 | Output circuit device of self-controlled breaking protective signal relay |
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| Country | Link |
|---|---|
| CN (1) | CN100440668C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104052020A (en) * | 2014-06-12 | 2014-09-17 | 王新强 | Default phase, zero missing, null line breaking and short circuiting protecting device in low-voltage power supply system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105131U (en) * | 1991-11-02 | 1992-05-20 | 刘守泉 | Protector for phase loss, overvoltage and undervltage of 3-phase motor |
| JPH1066250A (en) * | 1996-08-23 | 1998-03-06 | Daiwa Reiki Kogyo Kk | Open and negative phase protective circuit for three-phase ac power source |
| CN1412907A (en) * | 2001-10-12 | 2003-04-23 | 余彦中 | Phase fault, low-voltage and over voltage breaking protection circuit |
| CN2622897Y (en) * | 2003-06-03 | 2004-06-30 | 余彦中 | Output circuit device of self-controlled cut-off protective signal relay |
-
2004
- 2004-04-14 CN CNB2004100223203A patent/CN100440668C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105131U (en) * | 1991-11-02 | 1992-05-20 | 刘守泉 | Protector for phase loss, overvoltage and undervltage of 3-phase motor |
| JPH1066250A (en) * | 1996-08-23 | 1998-03-06 | Daiwa Reiki Kogyo Kk | Open and negative phase protective circuit for three-phase ac power source |
| CN1412907A (en) * | 2001-10-12 | 2003-04-23 | 余彦中 | Phase fault, low-voltage and over voltage breaking protection circuit |
| CN2622897Y (en) * | 2003-06-03 | 2004-06-30 | 余彦中 | Output circuit device of self-controlled cut-off protective signal relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1564411A (en) | 2005-01-12 |
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