CN103426682A - Relay with safety device and relay safety device - Google Patents
Relay with safety device and relay safety device Download PDFInfo
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- CN103426682A CN103426682A CN2012101497116A CN201210149711A CN103426682A CN 103426682 A CN103426682 A CN 103426682A CN 2012101497116 A CN2012101497116 A CN 2012101497116A CN 201210149711 A CN201210149711 A CN 201210149711A CN 103426682 A CN103426682 A CN 103426682A
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Abstract
The invention provides a relay with a safety device and the relay safety device. The safety device is arranged on the relay used for switching of power sources. A circuit is timely disconnected when the safety problem of an electric device controlled by the relay occurs, so that a safety accident is avoided.
Description
Technical field
A kind of relay and relay safety device thereof with safety device installed safety device on the relay for electrical source exchange, cuts off in time circuit when safety problem appears in the power consumption equipment of Control, to avoid occurring security incident.
Background technology
Safety device generally is arranged on circuit breaker at present, when safety problem appears in power consumption equipment, disconnects in time power circuit, to guarantee Electrical Safety.But several equipment of a breaker control often in application, an equipment goes wrong, and several equipment all are subject to the associated power circuit that disconnects, and not only can affect the use of normal device, also are unfavorable for distinguishing the concrete equipment broken down.
Summary of the invention
In order to solve top problem, the invention provides a kind of relay with safety device that safety means are installed on relay, relay is generally only controlled the equipment of an equipment or one group of association, not only the device security accident can be effectively stoped by control relay safety, the normal operation of uncorrelated equipment can also be do not involved.
The first implementation that the present invention has the relay with safety device of the relay of safety device and relay safety device thereof is; Relay with safety device is comprised of inlet wire device, electric current induction coil, phase sequence device, control amplifier, control relay, exerciser, equipment live inductor, relay, outlet device and voltage regulator.The inlet wire device is introduced the inside of single phase poaer supply to the relay with safety device, through the phase sequence device, adjusts phase sequence, and live wire and zero line position are fixed; Live wire after fixing and the end of incoming cables of zero line cut-in relay, relay is controlled by the control circuit of relay, and the outlet device of the leading-out terminal of relay and the relay with safety device is connected; Inlet wire device, relay and outlet device form the power switch circuit of the relay with safety device; The relay adhesive, the power switch circuit path, power supply can provide the energy to power consumption equipment; Relay disconnects, and power switch circuit opens circuit, and power supply can not provide the energy to power consumption equipment.The electric current induction coil is enclosed within on live wire and zero line, is used for responding to the difference between current on live wire and zero line; The lead-out wire of electric current induction coil is connected on control amplifier, and the control line of control amplifier is connected on control relay; When the difference between current on live wire and zero line reaches certain value, the drive current of control amplifier drives the control relay adhesive by control line, and after the control relay adhesive, its normally-closed contact disconnects.Because the normally-closed contact of control relay is arranged in the control circuit of relay, the normally-closed contact of control relay disconnects, and causes the control circuit outage of relay, and control circuit opens circuit with regard to control relay, realizes in time device powers down being controlled of equipment leakage.When equipment ground is opened circuit, once electric leakage, equipment is just charged, and charged equipment just can drive the control relay adhesive by the equipment live inductor, and after the control relay adhesive, its normally-closed contact disconnects.Because the normally-closed contact of control relay is arranged in the control circuit of relay, the normally-closed contact of control relay disconnects, and causes the control circuit outage of relay, and control circuit opens circuit with regard to control relay, realizes in time device powers down being controlled of equipment leakage.The control circuit of relay is arranged on live wire and zero line, once the above zero line break of inlet wire device, control relay has just lost control ability, and the control circuit of relay will be because losing electric energy, and control relay disconnects, in case the equipment live that the leak-stopping electricity brings.The following zero line break of outlet device, after earthed conductor is formed, the electric current induction coil induces electric current, and control amplifier drives the control relay adhesive, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, the control circuit outage of relay, and relay opens circuit; Exerciser is used for the operating state of controlling test relay; Voltage regulator is used for protecting control relay.
The equipment electricity consumption fixedly during the position of live wire and zero line, can be saved the phase sequence device.
Relay and control relay can be various relays, as the direct current relay dispatch control systems such as solid state relay, electronic relay, A.C. contactor, D.C. contactor and AC relay are low power device for switching.
In such scheme, the normally-closed contact that retains control relay, cut-in relay is not exactly the relay safety device of installing on the relay that also provides of the present invention, and relay safety device recombinant relay just can ensure equipment or the equipment group Electrical Safety that relay drives effectively.
The second implementation that the present invention has the relay with safety device of the relay of safety device and relay safety device thereof is; Relay with safety device is comprised of inlet wire device, electric current induction coil, control amplifier, control relay, exerciser, equipment live inductor, relay, outlet device, voltage regulator, starter, switching off device, phase failure protector and shell.The inlet wire device is introduced the inside of two-wire power supply to the relay with safety device, the end of incoming cables of cut-in relay, and relay is controlled by the control circuit of relay, and the outlet device of the leading-out terminal of relay and the relay with safety device is connected; Inlet wire device, relay and outlet device form the power switch circuit of the relay with safety device, the relay adhesive, and two-wire power supply switching circuit path, two-wire power supply can provide the energy to power consumption equipment; Relay disconnects, and power switch circuit opens circuit, and power supply can not provide the energy to power consumption equipment.The electric current induction coil is enclosed within on the two-wire power supply line, is used for responding to the difference between current on the two-wire power supply line; The lead-out wire of electric current induction coil is connected on control amplifier, and the control line of control amplifier is connected on control relay; When the difference between current on the two-wire power supply line reaches certain value, the drive current of control amplifier drives the control relay adhesive by control line, and after the control relay adhesive, its normally-closed contact disconnects.Because the normally-closed contact of control relay is arranged in the control circuit of relay, the normally-closed contact of control relay disconnects, and causes the control circuit outage of relay, and control circuit opens circuit with regard to control relay, realizes in time device powers down being controlled of equipment leakage.When equipment ground is opened circuit, once electric leakage, equipment is just charged, and charged equipment just can drive the control relay adhesive by the equipment live inductor, and after the control relay adhesive, its normally-closed contact disconnects.Because the normally-closed contact of control relay is arranged in the control circuit of relay, the normally-closed contact of control relay disconnects, and causes the control circuit outage of relay, and control circuit opens circuit with regard to control relay, realizes in time device powers down being controlled of equipment leakage.The control circuit of relay is arranged on the two-wire power supply line, once the above two-wire power supply single line of inlet wire device opens circuit, control relay has just lost control ability, and the control circuit of relay will be because losing electric energy, control relay opens circuit, in case the equipment live that the leak-stopping electricity brings.Single line in the following two-wire power supply line of outlet device opens circuit, and after earthed conductor is formed, the electric current induction coil induces current control amplifier and drives the control relay adhesive, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, the control circuit outage of relay, and relay opens circuit; Exerciser is used for the operating state of controlling test relay; Voltage regulator is used for protecting control relay.Starter and switching off device are used for driving the external force of relay to start or stop.Starter and switching off device can be used as rear access part, not as the part with relay of safety device.
Two-wire power supply can be the single-phase zero line power supply that adds, and can be also two-phase power supply.
Single-phase while adding the zero line power supply, the equipment electricity consumption fixedly during the position of live wire and zero line, can be saved the phase sequence device.Voltage regulator also can omit need not.The end of incoming cables of ground wire also can be saved need not.Starter and switching off device can be installed separately later.
Relay and control relay can be various relays, as the direct current relay dispatch control systems such as solid state relay, electronic relay, A.C. contactor, D.C. contactor and AC relay are low power device for switching.
In such scheme, the normally-closed contact that retains control relay, cut-in relay is not exactly the relay safety device of installing on the relay that also provides of the present invention, and relay safety device recombinant relay just can ensure equipment or the equipment group Electrical Safety that relay drives effectively.
The third implementation that the present invention has the relay with safety device of the relay of safety device and relay safety device thereof is; Relay with safety device is comprised of inlet wire device, electric current induction coil, control amplifier, control relay, exerciser, equipment live inductor, relay, outlet device, voltage regulator, starter, switching off device, phase failure protector, another phase power-off protection relay and shell.The inlet wire device is introduced the inside of three phase mains to the relay with safety device, the end of incoming cables of cut-in relay, and relay is controlled by the control circuit of relay, and the outlet device of the leading-out terminal of relay and the relay with safety device is connected; Inlet wire device, relay and outlet device form the power switch circuit of the relay with safety device, the relay adhesive, and power switch circuit forms path, and power supply can provide the energy to power consumption equipment; Relay disconnects, and power switch circuit forms and opens circuit, and power supply can not provide the energy to power consumption equipment.The electric current induction coil is enclosed within on triple line, is used for responding to the difference between current on triple line; The lead-out wire of electric current induction coil is connected on control amplifier, and the control line of control amplifier is connected on control relay; When the difference between current on triple line reaches certain value, the drive current of control amplifier drives the control relay adhesive by control line, and after the control relay adhesive, its normally-closed contact disconnects.Because the normally-closed contact of control relay is arranged in the control circuit of relay, the normally-closed contact of control relay disconnects, and causes the control circuit outage of relay, and control circuit opens circuit with regard to control relay, realizes in time device powers down being controlled of equipment leakage.When equipment ground is opened circuit, once electric leakage, equipment is just charged, and charged equipment just can drive the control relay adhesive by the equipment live inductor, and after the control relay adhesive, its normally-closed contact disconnects.Because the normally-closed contact of control relay is arranged in the control circuit of relay, the normally-closed contact of control relay disconnects, and causes the control circuit outage of relay, and control circuit opens circuit with regard to control relay, realizes that the timely device powers down of equipment leakage is controlled.The control circuit of relay is arranged on the wherein two-phase circuit on triple line, once the phase line broken string in above this two-phase of inlet wire device, control relay has just lost control ability, the control circuit of relay will be because losing electric energy, the driving relay opens circuit, in case the equipment live that the leak-stopping electricity brings.Another phase power-off protection relay is a group relay; be arranged on the wherein two-phase circuit on triple line; there is a control circuit of getting along well mutually relay to share phase line; absorb energy; once phase line not shared more than the inlet wire device opens circuit, another phase power-off protection relay just disconnects self relay, disconnects the relay switch of self; because this switch series is associated in the control circuit of relay, thereby drive relay to open circuit.Single line in the following triple line of outlet device opens circuit, and after earthed conductor is formed, the electric current induction coil induces current control amplifier and drives the control relay adhesive, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, the control circuit outage of relay, and relay opens circuit; Exerciser is used for the operating state of controlling test relay; Voltage regulator is used for protecting control relay.Starter and switching off device are used for driving the external force of relay to start or stop.Starter and switching off device can be used as rear access part, not as the part with relay of safety device.
Voltage regulator also can omit need not.The end of incoming cables of ground wire also can be saved need not.Starter and switching off device can be installed separately later.
Relay and control relay can be various relays, as the direct current relay dispatch control systems such as solid state relay, electronic relay, A.C. contactor, D.C. contactor and AC relay are low power device for switching.
In such scheme, the normally-closed contact that retains control relay, cut-in relay is not exactly the relay safety device of installing on the relay that also provides of the present invention, and relay safety device recombinant relay just can ensure equipment or the equipment group Electrical Safety that relay drives effectively.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of first embodiment of the first execution mode of the present invention.
Fig. 2 is the schematic diagram of second embodiment of the first execution mode of the present invention.
Fig. 3 is the schematic diagram of the 3rd embodiment of the first execution mode of the present invention.
Fig. 4 is the schematic diagram of the 4th embodiment of the first execution mode of the present invention.
Fig. 5 is the schematic diagram of first embodiment of the second execution mode of the present invention.
Fig. 6 is the schematic diagram of second embodiment of the second execution mode of the present invention.
Fig. 7 is the schematic diagram of first embodiment of the third execution mode of the present invention.
Fig. 8 is the schematic diagram of second embodiment of the third execution mode of the present invention.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the relay that has a safety device is comprised of inlet wire device 1, electric current induction coil 2, phase sequence device 3, control amplifier 4, control relay 5, exerciser 6, equipment live inductor 7, relay 8, outlet device 9 and voltage regulator 10.Inlet wire device 1 is introduced the inside of single phase poaer supply to the relay with safety device, through phase sequence device 3, adjusts phase sequence, and live wire and zero line position are fixed; The end of incoming cables of the live wire cut-in relay 8 after fixing, relay 8 is controlled by the control circuit of relay, and the outlet device 9 of the leading-out terminal of relay 8 and the relay with safety device is connected; Inlet wire device 1, relay 8 and outlet device 9 form the power switch circuit of the relay with safety device; Relay 9 adhesives, power switch circuit forms path, and power supply can provide the energy to power consumption equipment; Relay 9 disconnects, and power switch circuit forms and opens circuit, and power supply can not provide the energy to power consumption equipment.Electric current induction coil 2 is enclosed within on live wire and zero line, is used for responding to the difference between current on live wire and zero line; The lead-out wire of electric current induction coil 2 is connected on control amplifier 4, and the control line of control amplifier 4 is connected on control relay 5; When the difference between current on live wire and zero line reaches certain value, the drive current of control amplifier 4 drives control relay 5 adhesives by control line, and after control relay 5 adhesives, its normally-closed contact K1 disconnects.Because the normally-closed contact K1 of control relay 5 is arranged in the control circuit of relay 8, the normally-closed contact K1 of control relay 5 disconnects, cause the control circuit outage of relay 8, control circuit opens circuit with regard to control relay 8, realizes in time device powers down being controlled of equipment leakage.When equipment ground is opened circuit, once electric leakage on inlet wire device 1, equipment is just charged, and charged equipment just can drive control relay 5 adhesives by equipment live inductor 7, and after control relay 5 adhesives, its normally-closed contact K1 disconnects.Because the normally-closed contact K1 of control relay 5 is arranged in the control circuit of relay 8, the normally-closed contact K1 of control relay 5 disconnects, cause the control circuit outage of relay 8, control circuit opens circuit with regard to control relay 8, realizes in time device powers down being controlled of equipment leakage.The control circuit of relay 8 absorbs energy from live wire and zero line, once the above zero line break of inlet wire device 1, control relay 5 has just lost control ability, and the control circuit of relay 8 will be because losing electric energy, drive relay 8 to open circuit, in case the equipment live that the leak-stopping electricity brings.The following zero line break of outlet device 9, after earthed conductor is formed, electric current induction coil 2 induces current control amplifier 4 and drives control relay 5 adhesives, and after control relay 5 adhesives, its normally-closed contact disconnects; The normally-closed contact of control relay 5 is arranged in the control circuit of relay 8, and the normally-closed contact of control relay 5 disconnects, the control circuit outage of relay 8, and relay 8 opens circuit; Exerciser 6 is used for the operating state of controlling test relay 5; Voltage regulator 10 is used for protecting control relay 5.
Fig. 1 and Fig. 3 are not the fixing structures of live wire and zero line, and phase sequence device 3 is installed, and Fig. 2 and Fig. 4 are the fixing structures of live wire and zero line, and phase sequence device 3 is not installed; Relay 8 in Fig. 1 and Fig. 2 is igbts, and the relay 8 in Fig. 3 and Fig. 4 is turn-off thyristors.
In above-described embodiment, the normally-closed contact that retains control relay 5, cut-in relay 8 is not exactly the relay safety device of installing on the relay that also provides of the present invention, and relay safety device recombinant relay just can ensure equipment or the equipment group Electrical Safety that relay drives effectively.
As shown in Figure 5 and Figure 6, the relay that has a safety device is comprised of inlet wire device 1, electric current induction coil 2, control amplifier 4, control relay 5, exerciser 6, equipment live inductor 7, relay 8, outlet device 9, voltage regulator 10, starter 11, switching off device 12, phase failure protector 13 and shell 15.Inlet wire device 1 is introduced the inside of two-wire power supply to the relay with safety device, the end of incoming cables of cut-in relay 8, and relay 8 is controlled by the control circuit of relay, and the outlet device 9 of the leading-out terminal of relay 8 and the relay with safety device is connected; Inlet wire device 1, relay 8 and outlet device 9 form the power switch circuit of the relay with safety device, relay 8 adhesives, and the two-wire power supply switching circuit forms path, and two-wire power supply can provide the energy to power consumption equipment; Relay 8 opens circuit, and the two-wire power supply switching circuit forms and opens circuit, and power supply can not provide the energy to power consumption equipment.Electric current induction coil 2 is enclosed within on the two-wire power supply line, is used for responding to the difference between current on the two-wire power supply line; The lead-out wire of electric current induction coil 2 is connected on control amplifier 4, and the control line of control amplifier 4 is connected on control relay 5; When the difference between current on the two-wire power supply line reaches certain value, the drive current of control amplifier 4 drives control relay 5 adhesives by control line, and after control relay 5 adhesives, its normally-closed contact K1 disconnects.Because the normally-closed contact K1 of control relay 5 is arranged in the control circuit of relay 8, the normally-closed contact K1 of control relay 5 disconnects, cause the control circuit outage of relay 8, control circuit opens circuit with regard to control relay 8, realizes in time device powers down being controlled of equipment leakage.When equipment ground is opened circuit, once electric leakage, equipment is just charged, and charged equipment just can drive control relay 5 adhesives by equipment live inductor 7, and after control relay 5 adhesives, its normally-closed contact K1 disconnects.Because the normally-closed contact K1 of control relay 5 is arranged in the control circuit of relay 8, the normally-closed contact K1 of control relay 5 disconnects, cause the control circuit outage of relay 8, control circuit just drives relay 8 to open circuit, and realizes in time device powers down being controlled of equipment leakage.The control circuit of relay 8 is arranged on the two-wire power supply line, once the above two-wire power supply single line of inlet wire device 1 opens circuit, control relay 5 has just lost control ability, and the control circuit of relay 8 will be because losing electric energy, the driving relay disconnects, in case the equipment live that the leak-stopping electricity brings.Single line in 9 times two-wire power supply lines of outlet device opens circuit, and after earthed conductor is formed, electric current induction coil 2 induces current control amplifier 4 and drives control relay 5 adhesives, and after control relay 5 adhesives, its normally-closed contact disconnects; The normally-closed contact of control relay 5 is arranged in the control circuit of relay 8, and the normally-closed contact of control relay 5 disconnects, the control circuit outage of relay 8, and relay 8 opens circuit; Exerciser 6 is used for the operating state of controlling test relay 5; Voltage regulator 10 is used for protecting control relay 5.Starter 11 and switching off device 12 are used for driving the external force of relay 8 to start or stop.Starter 11 and switching off device 12 can be used as rear access part, not as the part with relay of safety device.
Fig. 5 and Fig. 6 wire leading method can be single-phase inlet wires, can be also the two-phase inlet wires.
The equipment electricity consumption fixedly during the position of live wire and zero line, can be saved phase sequence device 3.Voltage regulator 10 also can omit need not.The end of incoming cables of ground wire also can be saved need not.
In above-described embodiment, the normally-closed contact that retains control relay 5, cut-in relay 8 is not exactly the relay safety device of installing on the relay that also provides of the present invention, and relay safety device recombinant relay just can ensure equipment or the equipment group Electrical Safety that relay drives effectively.
As shown in Figure 7 and Figure 8, the relay that has a safety device is comprised of inlet wire device 1, electric current induction coil 2, control amplifier 4, control relay 5, exerciser 6, equipment live inductor 7, relay 8, outlet device 9, voltage regulator 10, starter 11, switching off device 12, phase failure protector 13, another phase power-off protection relay 14 and shell 15.Inlet wire device 1 is introduced the inside of three phase mains to the relay with safety device, the end of incoming cables of cut-in relay 8, and relay 8 is controlled by the control circuit of relay, and the outlet device 9 of the leading-out terminal of relay 8 and the relay with safety device is connected; Inlet wire device 1, relay 8 and outlet device 9 form the power switch circuit of the relay with safety device, relay 8 adhesives, and power switch circuit forms path, and power supply can provide the energy to power consumption equipment; Relay 8 opens circuit, and power switch circuit forms and opens circuit, and power supply can not provide the energy to power consumption equipment.Electric current induction coil 2 is enclosed within on triple line, is used for responding to the difference between current on triple line; The lead-out wire of electric current induction coil 2 is connected on control amplifier 4, and the control line of control amplifier 4 is connected on control relay 5; When the difference between current on triple line reaches certain value, the drive current of control amplifier 4 drives control relay 5 adhesives by control line, and after control relay 5 adhesives, its normally-closed contact K1 disconnects.Because the normally-closed contact K1 of control relay 5 is arranged in the control circuit of relay 8, the normally-closed contact K1 of control relay 5 disconnects, cause the control circuit outage of relay 8, control circuit just drives relay 8 to open circuit, and realizes in time device powers down being controlled of equipment leakage.When equipment ground is opened circuit, once electric leakage, equipment is just charged, and charged equipment just can drive control relay 5 adhesives by equipment live inductor 7, and after control relay 5 adhesives, its normally-closed contact K1 disconnects.Because the normally-closed contact K1 of control relay 5 is arranged in the control circuit of relay 8, the normally-closed contact K1 of control relay 5 disconnects, cause the control circuit outage of relay 8, control circuit just drives relay 8 to open circuit, and realizes that the timely device powers down of equipment leakage is controlled.The control circuit of relay 8 is arranged on wherein two phase lines on triple line, once the inlet wire device is the phase line broken string in this two-phase more than 1, control relay 5 has just lost control ability, the control circuit of relay 8 will be because losing electric energy, drive relay 8 to open circuit, in case the equipment live that the leak-stopping electricity brings.Another phase power-off protection relay 14 is group relaies; wherein two-phase triple line; there is a control circuit of getting along well mutually relay 8 to share phase line; absorb energy; once what inlet wire device 1 did not share opens circuit mutually, another phase power-off protection relay 14 just disconnects self relay, disconnects the relay switch K2 of self; because this switch series is associated in the control circuit of relay 8, thereby drive relay 8 to disconnect.Single line in 9 times triple lines of outlet device opens circuit, and after earthed conductor is formed, electric current induction coil 2 induces current control amplifier 4 and drives control relay 5 adhesives, and after control relay 5 adhesives, its normally-closed contact disconnects; The normally-closed contact of control relay 5 is arranged in the control circuit of relay 8, and the normally-closed contact of control relay 5 disconnects, the control circuit outage of relay 8, and relay 8 opens circuit; Exerciser 6 is used for the operating state of controlling test relay 5; Voltage regulator 10 is used for protecting control relay 5.Starter 11 and switching off device 12 are used for driving the external force of relay 8 to start or stop.Starter 11 and switching off device 12 can be used as rear access part, not as the part with relay of safety device.
In above-described embodiment, the normally-closed contact that retains control relay 5, cut-in relay 8 is not exactly the relay safety device of installing on the relay that also provides of the present invention, and relay safety device recombinant relay just can ensure equipment or the equipment group Electrical Safety that relay drives effectively.
Other embodiments of the invention are not just enumerating, although the above embodiment of the present invention have been described in detail, it should be appreciated by those skilled in the art, can reach the various distortion of identical purpose and substitute with the present invention, in this protection range yet.
Claims (10)
1. the relay with safety device, be comprised of inlet wire device, electric current induction coil, phase sequence device, control amplifier, control relay, exerciser, equipment live inductor, relay, outlet device and voltage regulator; It is characterized in that: the inlet wire device is introduced the inside of single phase poaer supply to the relay with safety device, through the phase sequence device, adjusts phase sequence, fixedly live wire and zero line position; The end of incoming cables of the live wire cut-in relay after fixing, relay is controlled by the control circuit of relay, and the outlet device of the leading-out terminal of relay and the relay with safety device is connected; Inlet wire device, relay and outlet device form the power switch circuit of the relay with safety device; The relay adhesive, power switch circuit forms path; Relay disconnects, and power switch circuit forms and opens circuit; The electric current induction coil is enclosed within on live wire and zero line, the difference between current on induction live wire and zero line; The lead-out wire of electric current induction coil is connected on control amplifier, and the control line of control amplifier is connected on control relay; When the difference between current on live wire and zero line reaches certain value, the drive current of control amplifier drives the control relay adhesive by control line, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, and the control circuit outage of relay, drive relay to open circuit; Device power-on, the equipment powered up drives the control relay adhesive by the equipment live inductor, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, and the control circuit of relay opens circuit, and drives relay to open circuit; The control circuit of relay is arranged on live wire and zero line, the above zero line break of inlet wire device, and control relay disconnects, and relay opens circuit; The following zero line break of outlet device, after earthed conductor is formed, the electric current induction coil induces current control amplifier and drives the control relay adhesive, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, and the control circuit outage of relay, drive relay to open circuit; Exerciser is used for the operating state of controlling test relay; Voltage regulator is used for protecting control relay.
2. the relay with safety device according to claim 1 is characterized in that: the uneasiness order device of pretending.
3. the relay with safety device, be comprised of inlet wire device, electric current induction coil, control amplifier, control relay, exerciser, equipment live inductor, relay, outlet device, voltage regulator, starter, switching off device, phase failure protector and shell; It is characterized in that: the inlet wire device is introduced the inside of two-wire power supply to the relay with safety device, the end of incoming cables of cut-in relay, and relay is controlled by the control circuit of relay, and the outlet device of the leading-out terminal of relay and the relay with safety device is connected; Inlet wire device, relay and outlet device form the power switch circuit of the relay with safety device, the relay adhesive, and the two-wire power supply switching circuit forms path; Relay disconnects, and the two-wire power supply switching circuit forms and opens circuit; The electric current induction coil is enclosed within on the two-wire power supply line, the difference between current on the induction power supply line; The lead-out wire of electric current induction coil is connected on control amplifier, and the control line of control amplifier is connected on control relay; When the difference between current on power line reaches certain value, the drive current of control amplifier drives the control relay adhesive by control line, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, and the control circuit of relay opens circuit, and drives relay to open circuit; When equipment ground is opened circuit, equipment live, charged equipment just can drive the control relay adhesive by the equipment live inductor, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, and the control circuit of relay opens circuit, and drives relay to open circuit; The control circuit of relay is arranged on the two-wire power supply line, and the single line in the above power line of inlet wire device opens circuit, and the control circuit of relay just opens circuit, and relay opens circuit; Single line in the following two-wire power supply line of outlet device opens circuit, and after earthed conductor is formed, the electric current induction coil induces current control amplifier and drives the control relay adhesive, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, and the control circuit outage of relay, drive relay to open circuit; Exerciser is used for the operating state of controlling test relay; Voltage regulator protection control relay; Starter and switching off device drive the external force of relay to start or stop.
4. the relay with safety device, be comprised of inlet wire device, electric current induction coil, control amplifier, control relay, exerciser, equipment live inductor, relay, outlet device, voltage regulator, starter, switching off device, phase failure protector, another phase power-off protection relay and shell; It is characterized in that: the inlet wire device is introduced the inside of three phase mains to the relay with safety device, the end of incoming cables of cut-in relay, and relay is controlled by the control circuit of relay, and the outlet device of the leading-out terminal of relay and the relay with safety device is connected; Inlet wire device, relay and outlet device form the power switch circuit of the relay with safety device, the relay adhesive, and power switch circuit forms path; Relay disconnects, and power switch circuit forms and opens circuit; The electric current induction coil is enclosed within on triple line, is used for responding to the difference between current on triple line; The lead-out wire of electric current induction coil is connected on control amplifier, and the control line of control amplifier is connected on control relay; When the difference between current on triple line reaches certain value, the drive current of control amplifier drives the control relay adhesive by control line, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, and the control circuit outage of relay, drive relay to open circuit; Equipment ground is opened circuit, electric leakage, and equipment live, charged equipment just can drive the control relay adhesive by the equipment live inductor, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, and the control circuit of relay opens circuit, and drives relay to open circuit; The control circuit of relay is arranged on wherein two phase lines on triple line, more than the inlet wire device, and the phase line broken string in this two-phase, the control relay control relay that opens circuit opens circuit, and relay opens circuit; Another phase power-off protection relay is a group relay, is arranged on wherein two phase lines on triple line, has a control circuit of getting along well mutually relay to share phase line, on the inlet wire device, not shared phase line opens circuit, and another phase power-off protection relay opens circuit, and relay opens circuit; Single line in the following triple line of outlet device opens circuit, and after earthed conductor is formed, the electric current induction coil induces current control amplifier and drives the control relay adhesive, and after the control relay adhesive, its normally-closed contact disconnects; The normally-closed contact of control relay is arranged in the control circuit of relay, and the normally-closed contact of control relay disconnects, the control circuit outage of relay, and relay opens circuit; Exerciser is used for the operating state of controlling test relay; Voltage regulator is used for protecting control relay; Starter and switching off device are used for driving the external force of relay to start or stop; Starter and switching off device can be used as rear access part, not as the part with relay of safety device.
5. according to the described relay with safety device of claim 3 or 4, it is characterized in that: uneasy mounted voltage regulator.
6. according to claim 3, the 4 or 5 described relays with safety device, it is characterized in that: starter and switching off device are not installed.
7. a relay safety device, be comprised of inlet wire device, electric current induction coil, control amplifier, control relay, exerciser, equipment live inductor, outlet device, voltage regulator, starter, switching off device, phase failure protector and shell; It is characterized in that: the inlet wire device is introduced the inside of two-wire power supply to the relay with safety device, is incorporated into the outlet device, and the outlet device is tipping relay wiring unit suitable for reading; The electric current induction coil is enclosed within on the two-wire power supply line, the difference between current on induction two-wire power supply line; The lead-out wire of electric current induction coil is connected on control amplifier, and the control line of control amplifier is connected on control relay; When the difference between current on power line reaches certain value, the drive current of control amplifier drives the control relay adhesive by control line, and after the control relay adhesive, its normally-closed contact disconnects; When equipment ground is opened circuit, equipment live, charged equipment just can drive the control relay adhesive by the equipment live inductor, and after the control relay adhesive, its normally-closed contact disconnects; Single line in the following two-wire power supply line of outlet device opens circuit, and after earthed conductor is formed, the electric current induction coil induces current control amplifier and drives the control relay adhesive, and after the control relay adhesive, its normally-closed contact disconnects; Exerciser is used for the operating state of controlling test relay; Voltage regulator protection control relay; Starter and switching off device drive the external force of relay to start or stop.
8. a relay safety device, be comprised of inlet wire device, electric current induction coil, control amplifier, control relay, exerciser, equipment live inductor, outlet device, voltage regulator, starter, switching off device, phase failure protector, another phase power-off protection relay and shell; It is characterized in that: the inlet wire device is introduced the inside of three phase mains to the relay with safety device, is incorporated into the outlet device, and the outlet device is tipping relay wiring unit suitable for reading; The electric current induction coil is enclosed within on triple line, is used for responding to the difference between current on triple line; The lead-out wire of electric current induction coil is connected on control amplifier, and the control line of control amplifier is connected on control relay; When the difference between current on triple line reaches certain value, the drive current of control amplifier drives the control relay adhesive by control line, and after the control relay adhesive, its normally-closed contact disconnects; Equipment ground is opened circuit, electric leakage, and equipment live, charged equipment just can drive the control relay adhesive by the equipment live inductor, and after the control relay adhesive, its normally-closed contact disconnects; The control circuit of relay is arranged on the wherein two-phase on triple line, more than the inlet wire device, and the phase line broken string in this two-phase, the control relay control relay that opens circuit opens circuit; Another phase power-off protection relay is a group relay, is arranged on the wherein two-phase on triple line, has a control circuit of getting along well mutually relay to share phase line, and more than the inlet wire device, not shared phase line opens circuit, and another phase power-off protection relay opens circuit; Single line in the following triple line of outlet device opens circuit, and after earthed conductor is formed, the electric current induction coil induces current control amplifier and drives the control relay adhesive, and after the control relay adhesive, its normally-closed contact disconnects; Exerciser is used for the operating state of controlling test relay; Voltage regulator is used for protecting control relay.
9. according to the described relay safety device of claim 7 or 8, it is characterized in that: uneasy mounted voltage regulator.
10. according to the described relay safety device of claim 7 or 9, it is characterized in that: starter and switching off device are not installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101497116A CN103426682A (en) | 2012-05-15 | 2012-05-15 | Relay with safety device and relay safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101497116A CN103426682A (en) | 2012-05-15 | 2012-05-15 | Relay with safety device and relay safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103426682A true CN103426682A (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101497116A Pending CN103426682A (en) | 2012-05-15 | 2012-05-15 | Relay with safety device and relay safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103426682A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356861A (en) * | 2016-09-07 | 2017-01-25 | 合肥三冠包装科技有限公司 | Safety control circuit for main mixed-feeding power of four-head weigher |
| CN107728047A (en) * | 2017-08-18 | 2018-02-23 | 珠海格力电器股份有限公司 | Relay detection method and device, relay, storage medium and equipment |
| CN108388176A (en) * | 2017-03-02 | 2018-08-10 | 维林株式会社 | Composite multifunction relay system and its control method |
-
2012
- 2012-05-15 CN CN2012101497116A patent/CN103426682A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356861A (en) * | 2016-09-07 | 2017-01-25 | 合肥三冠包装科技有限公司 | Safety control circuit for main mixed-feeding power of four-head weigher |
| CN108388176A (en) * | 2017-03-02 | 2018-08-10 | 维林株式会社 | Composite multifunction relay system and its control method |
| CN108388176B (en) * | 2017-03-02 | 2020-12-08 | 维林株式会社 | Composite multifunctional relay system and control method thereof |
| CN107728047A (en) * | 2017-08-18 | 2018-02-23 | 珠海格力电器股份有限公司 | Relay detection method and device, relay, storage medium and equipment |
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Application publication date: 20131204 |