CN209843606U - Circuit structure of double-position relay - Google Patents
Circuit structure of double-position relay Download PDFInfo
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- CN209843606U CN209843606U CN201920922660.3U CN201920922660U CN209843606U CN 209843606 U CN209843606 U CN 209843606U CN 201920922660 U CN201920922660 U CN 201920922660U CN 209843606 U CN209843606 U CN 209843606U
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Abstract
The utility model discloses a circuit structure of two position relay, including closing a position return circuit, jumping a position return circuit, closing a position pilot lamp return circuit and jumping a position pilot lamp return circuit, close a position return circuit with jump a position return circuit and be connected through first double coil relay J1, second double coil relay J2, third double coil relay J3, fourth double coil relay J4, fifth relay J5 and wire jumper LP respectively; each of the double coil relays is provided with two opening/closing holding contacts, each of which is communicated with an external circuit through a lead terminal. The utility model discloses an electronic circuit structure can be simultaneously in circular telegram and two positions homoenergetic keeps of outage, is the magnetic latching relay who contains two coils. Each double-coil relay adopts an inlet sealed double-coil miniature relay, the sensitivity, reliability and stability of actions are guaranteed, the anti-interference capability of the relay is high, the protection for preventing power supply wiring is realized, and the relay is provided with a sealed outer cover and is less affected by dust and moisture.
Description
Technical Field
The utility model relates to an electrical equipment field especially relates to a circuit structure of two position relay.
Background
The electromagnetic double-position relay has voltage reset and red and green signal board indication, and is a closed magnetic circuit formed by two electromagnets and a common armature, and one end of the armature is limited by a spring plate. When the closing coil is electrified, the armature iron overcomes the counterforce of the elastic sheet to act, and the signal plate is red at the moment. When the closing coil is powered off, the armature is still at the closing position due to the action of the elastic sheet. When the tripping coil is electrified, the armature overcomes the counterforce of the elastic sheet and is attracted to the tripping position, and the signal board is green at the moment. When the trip coil is de-energized, the armature remains in the trip position due to the restriction of the spring plate. The purpose of blocking is thus achieved.
The electromagnetic double-position relay iron core is electrified to generate a magnetic field, and the closed position and the open position are kept unchanged through mutual restriction and restriction between the acting force and the reaction of the magnet. The relay is composed of mechanical parts, so that the installation position of the relay is deviated from any direction of the installation vertical surface of the relay by no more than 5 degrees; the use place does not allow strong vibration and impact; strong external magnetic induction intensity is not allowed; since the mechanical parts are not sealed, they are susceptible to humidity.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the circuit structure of the double-position relay can be kept at two positions of power-on and power-off at the same time and is not easily influenced by external environment.
The technical scheme of the utility model as follows: a circuit structure of a double-position relay comprises a closing loop, a jumping loop, a closing indicator light loop and a jumping indicator light loop, wherein the closing loop and the jumping loop are respectively connected through a first double-coil relay J1, a second double-coil relay J2, a third double-coil relay J3, a fourth double-coil relay J4, a fifth relay J5 and a jumping line LP; each double-coil relay is provided with two open-close maintaining contacts, and the closed loop, the jump loop, the closed indicator light loop and the jump indicator light loop are communicated with an external loop through lead terminals.
In the circuit structure of the two-position relay, the fifth relay J5 is set as a fifth double-coil relay J5, and the on-position indicator light loop and the off-position indicator light loop are controlled by two open/close holding contacts of the fifth double-coil relay J5 respectively.
The circuit structure of the double-position relay is characterized in that the fifth relay J5 is set to be a fifth double-coil relay J5, the closed indicating lamp loop and the jump indicating lamp loop are controlled by two on-off maintaining contacts of the first double-coil relay J1 respectively, and the closed indicating lamp loop and the jump indicating lamp loop form an indicating lamp independent power supply loop and are communicated with an external power supply through lead terminals.
The circuit structure of the double-position relay is characterized in that the fifth relay J5 is a single-coil relay J5, the single-coil relay J5 is provided with two switching instantaneous contacts, and the on-position indicator light loop and the off-position indicator light loop are controlled by the two switching maintaining contacts of the first double-coil relay J1 respectively.
The circuit structure of the double-position relay is provided with 20 lead terminals, and the lead terminals are respectively installed by adopting an AK11 structure, an AQ11 structure and a DZ-2 terminal row structure.
The utility model has the advantages that:
1. the double-position relay adopts an electronic circuit structure, can be kept at both the power-on position and the power-off position at the same time, and is a magnetic latching relay with two coils.
2. The electronic circuit structure is adopted for setting the double-position relay into various structures, such as an embedded type, a front-plate wiring type, a guide rail type and the like, and different installation modes can be adopted, so that the installation by a user is facilitated. And the guide rail type structure is small in size and suitable for the requirement of small space.
3. Each double-coil relay adopts an inlet sealed double-coil miniature relay, the sensitivity, reliability and stability of actions are guaranteed, the anti-interference capability of the relay is high, the protection for preventing power supply wiring is realized, and the relay is provided with a sealed outer cover and is less affected by dust and moisture.
Drawings
FIG. 1 is a circuit diagram of a first embodiment;
FIG. 2 is a schematic diagram illustrating connection between each relay and a lead terminal according to a first embodiment;
FIG. 3 is a circuit diagram configuration diagram according to a second embodiment;
FIG. 4 is a schematic view showing connection between each relay and a lead terminal in the second embodiment;
FIG. 5 is a circuit diagram configuration diagram according to a third embodiment;
fig. 6 is a schematic view of connection between each relay and a lead terminal in the third embodiment.
Detailed Description
The following detailed description of the embodiments is provided in connection with the accompanying drawingsExample (b)The present invention will be described in detail.
The embodiment provides a circuit structure of a double-position relay, which is used for switching in various protection and automatic control devices needing bistable contacts; the circuit breaker can realize the locking function, and can be used in tripping and closing loops to indicate tripping and closing positions of the circuit breaker.
As shown in fig. 1 to 6, the circuit structure of the dual-position relay includes a close loop, a jump loop, a close indicator light loop, and a jump indicator light loop, wherein the close loop and the jump loop are respectively connected through a first dual-coil relay J1, a second dual-coil relay J2, a third dual-coil relay J3, a fourth dual-coil relay J4, a fifth relay J5, and a jump LP; each double-coil relay is provided with two open-close maintaining contacts, and the closed loop, the jump loop, the closed indicator light loop and the jump indicator light loop are communicated with an external loop through lead terminals.
The double-position relay of the embodiment is formed by a plurality of small-sized sealed double-coil relays, and an anti-interference circuit is added to prevent a positive pole and a negative pole of direct-current voltage from being connected with a reverse protection circuit. The double-position relay is provided with double coils, namely a closed loop and a jump loop, wherein each loop is connected with a pair of external starting contacts in series, the closed loop is connected with an open contact in series, and the jump loop is connected with the open contact or the closed contact in series.
When the closed loop is electrified, the double-position relay acts, the open contact of the double-position relay is converted into the closed contact, and meanwhile, the closed contact is converted into the open contact; when the closed circuit is powered on and then is powered off, the contact of the two-position relay is still kept in the power-on state under the condition that the jumping circuit is not powered on.
When the closed loop I is powered off after being powered on and then the jump loop is powered on, the double-position relay returns, the contact of the double-position relay returns to the initial state, namely the open contact returns to the open contact, and the closed contact returns to the closed contact; when the jump position loop is electrified and then loses power, the contact of the double-position relay is still kept in an electrified state under the condition that the closed position loop is not electrified.
When the closing loop and the jumping loop are electrified, the two-position relay is in a state of firstly electrifying the coil.
So for two position relay can keep in circular telegram simultaneously and two positions homoenergetic deenergization, adopt a plurality of small-size sealed double coil relays, install and use and do not receive external environment influence, overcome prior art's defect.
In actual installation, the two-position relay is provided with 20 lead terminals, and can be respectively installed in an AK11 structure, an AQ11 structure or a DZ-2 terminal row type structure.
The AK11 structure, the AQ11 structure and the DZ-2 terminal strip structure are all installation structure modes of the existing double-position relay, wherein the AK11 structure is that holes are formed in an installation plate of an electric cabinet according to the size of the holes of the AK11 structure, and then the relay is embedded into the front of a plate and then fixed. And 20 lead terminals are used for facilitating the communication of the electric wires and an external loop. The AQ11 structure is characterized in that two brackets are arranged in an electric cabinet, then a base of the AQ11 structure is fixed on the brackets by screws, and 20 lead terminals on the left side and the right side are convenient for connecting wires and communicating with an external loop. The DZ-2 terminal row type structure is characterized in that a guide rail is arranged in an electric cabinet, then a terminal row relay is clamped on the guide rail, and 20 lead terminals on the left side and the right side are convenient for connecting wires and communicating with an external loop.
Example one
As shown in fig. 1 and 2, the present embodiment is a dual-position relay without an independent indication power supply, and the circuit structure of the dual-position relay includes a closing loop 21, a skipping loop 22, a closing indicator light loop 23, and a skipping indicator light loop 24, where the closing loop 21 and the skipping loop 22 are respectively connected through a first dual-coil relay J1, a second dual-coil relay J2, a third dual-coil relay J3, a fourth dual-coil relay J4, a fifth relay J5, and a jumper LP; wherein, the fifth relay is also a double coil relay. The contacts of the first double-coil relay J1, the second double-coil relay J2, the third double-coil relay J3, and the fourth double-coil relay J4 are respectively communicated with the external circuit through the lead terminals 25.
The position closing loop 21 is electrified through a lead terminal and a lead terminal, the position jumping loop 22 is electrified through the lead terminal and the lead terminal, the first double-coil relay J1 is provided with an opening-closing maintaining joint J1-1 and an opening-closing maintaining joint J1-2, two ends of the opening-closing maintaining joint J1-1 are connected with the lead terminal and the lead terminal, and two ends of the opening-closing maintaining joint J1-2 are connected with the lead terminal and the lead terminal.
The second double-coil relay J2 is provided with an open/close holding contact J2-1 and an open/close holding contact J2-2, both ends of the open/close holding contact J2-1 are connected with a lead terminal ninc and a lead terminal (R), both ends of the open/close holding contact J2-2 are connected with a lead terminal (R)Lead terminalAnd (4) connecting.
The second coil relay J3 is provided with an opening/closing holding contact J3-1 and an opening/closing holding contact J3-2, both ends of the opening/closing holding contact J3-1 and a lead terminalLead terminalConnecting, opening and closing holding contact J3-2 and lead terminalLead terminalAnd (4) connecting.
The fourth double coil relay J4 is provided with an opening/closing holding contact J4-1 and an opening/closing holding contact J4-2, both ends of the opening/closing holding contact J4-1 and a lead terminalLead terminalConnecting, opening and closing holding contact J4-2 and lead terminalLead terminalAnd (4) connecting.
The fifth relay J5 is provided as a fifth double coil relay J5, the fifth relay J5 is provided with an open/close holding contact J5-1 and an open/close holding contact J5-2, the open/close holding contact J5-1 is used for controlling the on-position indicator lamp circuit 23, and the open/close holding contact J5-2 is used for controlling the jump position indicator lamp circuit 24.
The on-position circuit 21 is energized through the lead terminals (i) and (ii), and each of the double coil relays operates, and at this time, the first double coil relay J1, the second double coil relay J2, the third double coil relay J3, the fourth double coil relay J4, and the fifth double coil relay J5 operate, and each of the on-off holding contacts turns into an off contact, each of the off contacts turns into an on contact, and the red light HD in the on-position indicator light circuit 23 is lit. When the power of the closing loop is cut off, the red light HD is turned off, and the state of each opening and closing holding contact keeps unchanged when the opening and closing holding contact keeps acting.
When the position-jumping loop 22 is electrified through the lead terminals (c) and (d), the first double-coil relay J1, the second double-coil relay J2, the third double-coil relay J3, the fourth double-coil relay J4,
The fifth double coil relays J5 are released to be reset respectively, and the green jump indicator LD of the jump indicator circuit 24 is turned on, at this time, the open/close holding contacts are restored to the initial state, that is, the open contacts are restored to the open contacts, and the close contacts are restored to the close contacts. When the jumping loop is powered off, the green light LD is turned off, and the initial state of each opening and closing maintaining contact is kept unchanged.
Example two
As shown in fig. 3 and 4, the present embodiment provides a circuit structure of a dual-position relay with an independent indication power source, the circuit structure of the dual-position relay includes a closing loop 31, a skipping loop 32, a closing indicator light loop and a skipping indicator light loop, wherein the closing indicator light loop and the skipping indicator light loop are respectively controlled by two on-off maintaining contacts of the first dual-coil relay J1, and the closing indicator light loop and the skipping indicator light loop form an indicator light independent power source loop 33 and are communicated with an external power source through lead terminals.
The closing loop 31 and the jumping loop 32 are respectively connected through a first double-coil relay J1, a second double-coil relay J2, a third double-coil relay J3, a fourth double-coil relay J4, a fifth relay J5 and a jumping wire LP; wherein, the fifth relay is also a double coil relay. A second double-coil relay J2, a third double-coil relay J3, a fourth double-coil relay J4,
The contacts of the first double-coil relay J5 communicate with the external circuit through the lead terminals 34, respectively.
The positioning loop 31 is electrified through a lead terminal and a bit line terminal (b), and the positioning loop 32 is electrified through the lead terminalAnd a lead terminalThe first double-coil relay J1 is powered on and has an open/close holding contact J1-1 and an open/close holding contact J1-2, and the open/close holding contact J1-1 and the open/close holding contact J1-2 are used to control the indicator lamp independent power supply circuit 33.
The second double-coil relay J2 is provided with an open-close maintaining contact J2-1 and an open-close maintaining contact J2-2, two ends of the open-close maintaining contact J2-1 are connected with the lead terminal I and the lead terminal N, two ends of the open-close maintaining contact J2-2 are connected with the lead terminal III and the lead terminal CAnd (4) connecting.
The third double-coil relay J3 is provided with an opening/closing holding contact J3-1 and an opening/closing holding contact J3-2, both ends of the opening/closing holding contact J3-1 are connected to a lead terminal II and a lead terminal R, and both ends of the opening/closing holding contact J3-2 are connected to a lead terminal IV and a lead terminal RConnecting;
the fourth double coil relay J4 is provided with an opening/closing holding contact J4-1 and an opening/closing holding contact J4-2, two ends of the opening/closing holding contact J4-1, a lead terminal, and a lead terminalConnecting, opening and closing holding contact J4-2 and lead terminalLead terminalAnd (4) connecting.
The fifth relay J5 is provided as a fifth double coil relay J5, the fifth relay J5 is provided with an open/close holding contact J5-1 and an open/close holding contact J5-2, and both ends of the open/close holding contact J5-1 are connected to a lead terminal (c) and a lead terminal (d)Connecting, opening and closing holding contact J5-2 and lead terminalLead terminalAnd (4) connecting.
The on-position circuit 31 is energized through a lead terminal (c) and a lead terminal (c), and each of the double coil relays operates, and at this time, the first double coil relay J1, the second double coil relay J2, the third double coil relay J3, the fourth double coil relay J4, and the fifth double coil relay J5 operate, and each open/close holding contact of each open/close holding contact turns into an open/close contact, each close contact turns into an open/close contact, and the red light HD in the indicator light independent power supply circuit 33 is lit. When the power of the closing loop is cut off, the red light HD is turned off, and the state of each opening and closing holding contact keeps unchanged when the opening and closing holding contact keeps acting.
The position-jumping circuit 32 passes through the lead terminalAnd a lead terminalAnd when the power is on, the first double-coil relay J1, the second double-coil relay J2, the third double-coil relay J3, the fourth double-coil relay J4,
The fifth double-coil relays J5 are released to be reset respectively, and the jump indicator green LD of the indicator independent power supply circuit 33 is turned on, at this time, each open/close holding contact is restored to the initial state, that is, each open contact is restored to the open contact, and each close contact is restored to the close contact. When the jumping loop is powered off, the green light LD is turned off, and the initial state of each opening and closing maintaining contact is kept unchanged.
EXAMPLE III
As shown in fig. 5 and 6, the present embodiment provides a circuit structure of a dual-position relay with snap contacts, the circuit structure of the dual-position relay includes a closing circuit 41, a skipping circuit 42, a closing indicator lamp circuit 43 and a skipping indicator lamp circuit 44, wherein the closing indicator lamp circuit and the skipping indicator lamp circuit are respectively controlled by two open/close holding contacts of the first dual-coil relay J1 and are communicated with an external power supply through lead terminals.
The closing loop 41 and the tripping loop 42 are respectively connected through a first double-coil relay J1, a second double-coil relay J2, a third double-coil relay J3, a fourth double-coil relay J4, a fifth relay J5 and a jumper LP; the fifth relay is a single coil relay. The contacts of the second double-coil relay J2, the third double-coil relay J3, the fourth double-coil relay J4, and the first double-coil relay J5 are connected to an external circuit through the lead terminals 45 and 46, respectively.
The position closing loop 41 is electrified through a lead terminal (c) and a lead terminal (b), and the position jumping loop 42 is electrified through the lead terminal (c)And a lead terminalThe first double-coil relay J1 is powered on and has an open/close holding contact J1-1 and an open/close holding contact J1-2, and the open/close holding contact J1-1 and the open/close holding contact J1-2 are provided for controlling the on position indicator lamp circuit 43 and the off position indicator lamp circuit 44, respectively.
The second double-coil relay J2 is provided with an open/close holding contact J2-1 and an open/close holding contact J2-2, both ends of the open/close holding contact J2-1 are connected with the lead terminal I and the lead terminal Nth, and both ends of the open/close holding contact J2-2 are connected with the lead terminal IWire terminal and lead terminalAnd (4) connecting.
The third double-coil relay J3 is provided with an opening/closing holding contact J3-1 and an opening/closing holding contact J3-2, both ends of the opening/closing holding contact J3-1 are connected to a lead terminal II and a lead terminal R, and both ends of the opening/closing holding contact J3-2 are connected to a lead terminal IV and a lead terminal RAnd (4) connecting.
The fourth double coil relay J4 is provided with an opening/closing holding contact J4-1 and an opening/closing holding contact J4-2, both ends of the opening/closing holding contact J4-1 and a lead terminalLead terminalConnecting, opening and closing holding contact J4-2 and lead terminalLead terminalAnd (4) connecting.
The fifth relay J5 is a single coil relay J5, the fifth relay J5 is provided with an on-off instantaneous contact J5-1 and an on-off instantaneous contact J5-2, and both ends of the on-off instantaneous contact J5-1 are connected with a lead terminal (c) and a lead terminal (d)Two ends of instantaneous switching contact J5-2 are connected with lead terminal and lead terminalAnd (4) connecting.
The on-position circuit 41 is energized through a lead terminal (c) and a lead terminal (b), each of the double coil relays operates, at this time, the first double coil relay J1, the second double coil relay J2, the third double coil relay J3, the fourth double coil relay J4, and the fifth single coil relay J5 operate, and each of the on-off holding contacts and each of the on-off momentary contacts are turned on and off, each of the on-off contacts is turned off, and the red light HD in the on-position indicator light circuit 43 is lit. When the power of the closing loop is cut off, the red light HD is turned off, the state of each opening and closing holding contact keeps unchanged when the opening and closing holding contact keeps acting, and each opening and closing instantaneous moving contact returns to reset.
The jump circuit 42 passes through the lead terminalAnd a lead terminalAnd when the power is on, the first double-coil relay J1, the second double-coil relay J2, the third double-coil relay J3 and the fourth double-coil relay J4 are respectively released and reset, a jump position indicator lamp green lamp LD of the jump position indicator lamp loop 44 is turned on, at the moment, each opening and closing holding contact is restored to the initial state, namely each opening contact is restored to an opening contact, and each closing contact is restored to a closing contact. When the jumping loop is powered off, the green light LD is turned off, and the initial state of each opening and closing maintaining contact is kept unchanged.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The circuit structure of the double-position relay is characterized by comprising a closing loop, a jumping loop, a closing indicator light loop and a jumping indicator light loop, wherein the closing loop and the jumping loop are respectively connected through a first double-coil relay J1, a second double-coil relay J2, a third double-coil relay J3, a fourth double-coil relay J4, a fifth relay J5 and a jumping line LP; each double-coil relay is provided with two opening and closing maintaining contacts, and the closing loop, the jumping loop, the closing indicator light loop, the jumping indicator light loop and each opening and closing contact are communicated with an external loop through a lead terminal.
2. The circuit structure of a two-position relay according to claim 1, characterized in that: the fifth relay J5 is provided as a fifth double-coil relay J5, and the on indicator light circuit and the off indicator light circuit are controlled by two open/close holding contacts of the fifth double-coil relay J5, respectively.
3. The circuit structure of a two-position relay according to claim 1, characterized in that: the fifth relay J5 is set as a fifth double-coil relay J5, the closed indicating lamp loop and the jump indicating lamp loop are controlled by two opening and closing maintaining contacts of the first double-coil relay J1 respectively, and the closed indicating lamp loop and the jump indicating lamp loop form an indicating lamp independent power supply loop and are communicated with an external power supply through lead terminals.
4. The circuit structure of a two-position relay according to claim 1, characterized in that: the fifth relay J5 is a single-coil relay J5, the single-coil relay J5 is provided with two switching instantaneous contacts, and the on-position indicator light loop and the jump-position indicator light loop are controlled by two switching maintaining contacts of the first double-coil relay J1 respectively.
5. The circuit structure of a two-position relay according to any of claims 2-4, characterized in that: it is provided with 20 lead terminals and is respectively installed by adopting an AK11 structure or an AQ11 structure or a DZ-2 terminal row type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922660.3U CN209843606U (en) | 2019-06-17 | 2019-06-17 | Circuit structure of double-position relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920922660.3U CN209843606U (en) | 2019-06-17 | 2019-06-17 | Circuit structure of double-position relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209843606U true CN209843606U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920922660.3U Active CN209843606U (en) | 2019-06-17 | 2019-06-17 | Circuit structure of double-position relay |
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| Country | Link |
|---|---|
| CN (1) | CN209843606U (en) |
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2019
- 2019-06-17 CN CN201920922660.3U patent/CN209843606U/en active Active
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