CN210110561U - Operating mechanism of automatic change-over switch - Google Patents
Operating mechanism of automatic change-over switch Download PDFInfo
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- CN210110561U CN210110561U CN201920363362.5U CN201920363362U CN210110561U CN 210110561 U CN210110561 U CN 210110561U CN 201920363362 U CN201920363362 U CN 201920363362U CN 210110561 U CN210110561 U CN 210110561U
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 230000001276 controlling effect Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
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Abstract
The utility model discloses an automatic change over switch's operating device, the base that is used for the installation component including main power supply circuit, stand-by power supply circuit, base top be equipped with the circuit board, the base on be equipped with rocking arm subassembly and driving motor, rocking arm subassembly and driving motor between carry out the transmission through setting up the gear train, rocking arm subassembly and base swing joint, the other switch module who is used for regulating and controlling rocking arm subassembly that is equipped with of gear train, the circuit board on be equipped with sampling module, sampling module's input be connected with main power supply circuit and stand-by power supply circuit respectively, sampling module output be connected with main control module's input, main control module's output be connected with driving motor's control end. The utility model overcomes the higher problem of fault rate that exists in the technique. The utility model has the advantages of simple structure, safe and reliable, the judgement and the conversion operation that can not take place the mistake in the conversion process.
Description
Technical Field
The utility model relates to a switch field, more specifically say, relate to an automatic change over switch's operating device.
Background
The traditional automatic change-over switch adopts a link mechanism, one end of a connecting rod is connected with a motor, the other end of the connecting rod is connected with a handle of a switch body molded case circuit breaker, and the normal switching of the automatic change-over switch is realized by controlling the up-and-down swing of the connecting rod to drive the 'closing' and 'opening' of the molded case circuit breaker; the controller directly controls the operation and stop of the automatic change-over switch through the assistance and the alarm of the built-in circuit breaker of the change-over switch, and the auxiliary and the alarm built-in circuit breaker and the on-off positions of the circuit breaker are asynchronous because the rotating radius of the link mechanism cannot be adjusted, and the auxiliary on-off can not correctly reflect the on-off and the like of the contacts of the circuit breaker; and under the condition that the synchronism of the positions of the're-buckling', 'closing' and 'opening' of the molded case circuit breaker is not high, the condition that the body circuit breaker is not buckled again or the closing is not in place can occur, so that the fault of the automatic transfer switch is caused, and the reliability of the product is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the higher and lower problem of reliability of fault rate that exists among the prior art, provide an automatic change-over switch's operating device who has the security height and the higher advantage of stability now.
The utility model discloses an automatic change over switch's operating device, the base that is used for the installing component including main power supply circuit, stand-by power supply circuit, base top be equipped with the circuit board, the base on be equipped with rocking arm subassembly and driving motor, rocking arm subassembly and driving motor between carry out the transmission through setting up the gear train, rocking arm subassembly and base swing joint, the other switch module who is used for regulating and controlling rocking arm subassembly that is equipped with of gear train, the circuit board on be equipped with sampling module, sampling module's input be connected with main power supply circuit and stand-by power supply circuit respectively, sampling module output be connected with main control module's input, main control module's output be connected with driving motor's control end.
When the main power supply circuit or the standby power supply circuit breaks down during working, the main control module on the circuit board can analyze circuit data collected by the sampling module, calculate corresponding results, and then switch the main power supply circuit and the standby power supply circuit by controlling the automatic transfer switch body and the driving motor. When the state of the automatic change-over switch or the driving motor is changed, the switch assembly feeds back a signal to the main control module; on the other hand, the main control module transmits information to the split display module through the split connector for an operator to check, the control circuit clearly transmits feedback signals on the main power supply circuit and the standby power supply circuit to the main control module through the sampling resistor and the amplifying circuit, and the main control module is convenient to correctly control the automatic change-over switch body and the driving motor, so that the stability of the automatic change-over switch is improved.
Preferably, the rocker arm assembly comprises a left rocker arm, a right rocker arm, a left sliding rail and a right sliding rail, the left sliding rail and the right sliding rail are respectively fixed at the left end and the right end of the base through bolts, and the left rocker arm and the right rocker arm are respectively connected with the left sliding rail and the right sliding rail in a sliding manner.
Preferably, the left rocker arm and the right rocker arm are identical in structure, the left sliding rail and the right sliding rail are identical in structure, the left rocker arm comprises a rocker arm body, a clamp body is arranged at the left end of the rocker arm body, a rack matched with the gear set is arranged at the right end of the rocker arm body, and at least 2 sliding buckles in sliding buckling connection with the left sliding rail are arranged at the bottom of the rocker arm body.
Preferably, the gear train include the drive gear as the main part, drive gear center install in driving motor's output, the left and right sides of drive gear respectively the tooth move and be connected with driven wheelset, drive gear upper border department be equipped with the arc that the rocking arm subassembly cooperateed and use protruding, drive gear lower border department be equipped with the driven wheelset cooperatees and use the drive external tooth, the remaining border of drive gear be smooth circular arc.
Preferably, the driven wheel set comprises a transition gear and a transmission gear, the transition gear is in toothed meshing with the driving external teeth and the transmission gear respectively, and the transmission gear is in toothed meshing with the rocker arm assembly.
Preferably, the switch assembly comprises a driving microswitch, the left side and the right side of the driving microswitch are respectively provided with a driven microswitch, the triggering end of the driving microswitch and the arc-shaped protrusion of the driving gear are in transmission triggering, and the triggering end of the driven microswitch and the rocker arm assembly are in transmission triggering.
Power and sampling module including sampling resistor R and the common mode inductance L as the main part, main power supply circuit constitute by L1, L2 and L3 three, stand-by power supply circuit be circuit L4, L1 and sampling resistor R between be connected with voltage transformer PT1, L2 and sampling resistor R between be connected with voltage transformer PT2, L3 and sampling resistor R between be connected with power transformer PT3, power transformer PT3 and common mode inductance L between be connected through rectifier diode D1, common mode inductance L and L4 between establish ties have power transformer PT4 and rectifier diode D2.
The main control module comprises a main control single chip microcomputer as a main body, the main control single chip microcomputer is externally connected with an amplifying circuit, a BUCK circuit, a feedback loop, a control loop, an external EEPROM and a split connector, 3 input ends of the amplifying circuit are respectively connected with 3 output ends of a sampling resistor R, the input end of the BUCK circuit is connected with the output end of a common-mode inductor L, the output end of the BUCK circuit is connected with one end of the feedback loop, the input end of the feedback loop is connected with the control end of a driving motor, the input end and the output end of the control loop are connected with the control end of the driving motor, and the output end of the split connector is connected with a split display module.
The main power circuit L3 and the standby power circuit L4 stably supply power to the main control singlechip through respective power transformers, rectification, common mode inductors and BUCK circuits. Once the common power supply L3 or the standby power supply circuit L4 breaks down, the main control single chip microcomputer analyzes and operates, and then the main control single chip microcomputer can control the driving motor. When the state of the driving motor is changed, sensing devices such as a microswitch and the like on the base can feed back signals to the main control single chip microcomputer; on the other hand, the main control single chip microcomputer transmits information to the split display module through the split connector for an operator to check, the control circuit clearly transmits the feedback signal of the standing power supply to the main control single chip microcomputer through the sampling resistor and the amplifying circuit, the main control single chip microcomputer can conveniently and correctly control the switch body and the driving motor, meanwhile, the common mode inductor is used for EMC filtering, electromagnetic wave emission in an outward radiation mode can be restrained, and EMC (electromagnetic compatibility) requirements of an automatic transfer switch are met.
The utility model discloses following beneficial effect has: simple structure, safe and reliable, and no error judgment and conversion operation in the conversion process.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a front view of the left rocker arm of the present invention.
Fig. 4 is a rear view of the left rocker arm of the present invention.
The automatic clamp comprises a base 1, a driving motor 2, a left rocker arm 3, a right rocker arm 4, a left sliding rail 5, a right sliding rail 6, a rocker arm body 7, a clamp body 8, a rack 9, a slide fastener 10, a driving gear 11, an arc-shaped protrusion 12, driving external teeth 13, a transition gear 14, a transmission gear 15, a driving microswitch 16 and a driven microswitch 17.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as further described with reference to fig. 1, 2, 3 and 4, the operating mechanism of an automatic transfer switch of the present example includes a main power supply circuit, a backup power supply circuit and a base 1 for mounting components, a circuit board is arranged above the base, a rocker arm component and a driving motor 2 are arranged on the base 1, the rocker arm component and the driving motor 2 are driven by a gear set, the rocker arm component is movably connected with the base 1, a switch component for regulating and controlling the rocker arm component is arranged beside the gear set, a sampling module is arranged on the circuit board, the input end of the sampling module is respectively connected with the main power supply circuit and the standby power supply circuit, the output end of the sampling module is connected with the input end of the main control module, and the output end of the main control module is connected with the control end of the driving motor.
The rocking arm subassembly include left rocking arm 3, right rocking arm 4, left slide rail 5 and right slide rail 6 pass through the bolt and be fixed in base 1 about both ends respectively, left rocking arm 3 and right rocking arm 4 respectively with left slide rail 5 and right slide rail 6 sliding connection.
The left rocker arm 3 and the right rocker arm 4 are identical in structure, the left sliding rail 5 and the right sliding rail 6 are identical in structure, the left rocker arm 3 comprises a rocker arm body 7, the left end of the rocker arm body 7 is provided with a clamp body 8, the right end of the rocker arm body 7 is provided with a rack 9 matched with a gear set for use, and the bottom of the rocker arm body 7 is provided with 2 sliding buckles 10 which are in sliding lock joint with the left sliding rail 5.
The gear train including the drive gear 11 as the main part, drive gear 11 center install in driving motor 2's output, the left and right sides of drive gear 11 tooth respectively move and be connected with driven wheelset, drive gear 11 go up border department be equipped with the arc projection 12 that the cooperation of rocking arm subassembly was used, drive gear 11 down border department be equipped with the drive external tooth 13 that the cooperation of driven wheelset was used, other borders of drive gear 11 be smooth circular arc.
The driven wheel set comprises a transition gear 14 and a transmission gear 15, the transition gear 14 is in tooth-moving meshing with the driving external gear 13 and the transmission gear 15 respectively, and the transmission gear 15 is in tooth-moving meshing with the rocker arm assembly.
The switch module include drive micro-gap switch 16, the left and right sides of drive micro-gap switch 16 be equipped with a driven micro-gap switch 17 respectively, drive micro-gap switch 16's trigger end and drive gear 11's arc protruding to carry out the transmission and trigger, driven micro-gap switch 17's trigger end and rocker arm subassembly carry out the transmission and trigger.
The sampling module include sampling resistor R and common mode inductance L as the main part, main power supply circuit constitute by L1, L2 and L3 three, stand-by power supply circuit be circuit L4, L1 and sampling resistor R between be connected with voltage transformer PT1, L2 and sampling resistor R between be connected with voltage transformer PT2, L3 and sampling resistor R between be connected with power transformer PT3, power transformer PT3 and common mode inductance L between be connected through rectifier diode D1, common mode inductance L and L4 between establish ties have power transformer PT4 and rectifier diode D2.
The use method comprises the following steps: the main power circuit L3 and the standby power circuit L4 stably supply power to the main control singlechip through respective power transformers, rectification, common mode inductors and BUCK circuits. Once the normal power supply L3 or the standby power supply circuit L4 fails, the main control single chip microcomputer analyzes and operates, and then the main control single chip microcomputer controls the driving motor 2. When the state of the driving motor 2 is changed, sensing devices such as a microswitch and the like on the base 1 can feed back signals to the main control single chip microcomputer; on the other hand, the main control single chip microcomputer transmits information to the split display module through the split connector for an operator to check, the control circuit clearly transmits the feedback signal of the standing power supply to the main control single chip microcomputer through the sampling resistor and the amplifying circuit, the main control single chip microcomputer can conveniently and correctly control the switch body and the driving motor, meanwhile, the common mode inductor is used for EMC filtering, electromagnetic wave emission in an outward radiation mode can be restrained, and EMC (electromagnetic compatibility) requirements of an automatic transfer switch are met.
The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (8)
1. The utility model provides an automatic change over switch's operating device, includes main power supply circuit, stand-by power supply circuit and base (1) that is used for the installing component, base top be equipped with circuit board, characterized by, base (1) on be equipped with rocking arm subassembly and driving motor (2), rocking arm subassembly and driving motor (2) between carry out the transmission through setting up the gear train, rocking arm subassembly and base (1) swing joint, the other switch module that is used for regulating and control rocking arm subassembly that is equipped with of gear train, the circuit board on be equipped with sampling module, sampling module's input be connected with main power supply circuit and stand-by power supply circuit respectively, sampling module output be connected with main control module's input, main control module's output be connected with driving motor's control end.
2. The operating mechanism of an automatic transfer switch according to claim 1, wherein the rocker arm assembly comprises a left rocker arm (3), a right rocker arm (4), a left slide rail (5) and a right slide rail (6), the left slide rail (5) and the right slide rail (6) are respectively fixed at the left end and the right end of the base (1) through bolts, and the left rocker arm (3) and the right rocker arm (4) are respectively connected with the left slide rail (5) and the right slide rail (6) in a sliding manner.
3. The operating mechanism of an automatic transfer switch according to claim 2, wherein the left rocker arm (3) and the right rocker arm (4) have the same structure, the left sliding rail (5) and the right sliding rail (6) have the same structure, the left rocker arm (3) comprises a rocker arm body (7), the left end of the rocker arm body (7) is provided with a clamp body (8), the right end of the rocker arm body (7) is provided with a rack (9) matched with the gear set for use, and the bottom of the rocker arm body (7) is provided with at least 2 sliding buckles (10) which are in sliding buckle connection with the left sliding rail (5).
4. The operating mechanism of the automatic transfer switch according to claim 1, wherein the gear set comprises a driving gear (11) as a main body, the center of the driving gear (11) is installed at the output end of the driving motor (2), the left side and the right side of the driving gear (11) are respectively in toothed connection with a driven wheel set, an arc-shaped protrusion (12) matched with the rocker arm assembly for use is arranged at the upper edge of the driving gear (11), driving outer teeth (13) matched with the driven wheel set for use are arranged at the lower edge of the driving gear (11), and the rest edges of the driving gear (11) are smooth arcs.
5. The operating mechanism of an automatic transfer switch according to claim 4, wherein the driven wheel set comprises an excess gear (14) and a transmission gear (15), the excess gear (14) is in toothed engagement with the driving external teeth (13) and the transmission gear (15), respectively, and the transmission gear (15) is in toothed engagement with the rocker arm assembly.
6. The operating mechanism of an automatic transfer switch according to claim 4, wherein the switch assembly comprises a driving microswitch (16), a driven microswitch (17) is respectively arranged at the left side and the right side of the driving microswitch (16), the triggering end of the driving microswitch (16) is in transmission triggering with the arc-shaped protrusion of the driving gear (11), and the triggering end of the driven microswitch (17) is in transmission triggering with the rocker arm assembly.
7. The operating mechanism of an automatic transfer switch according to claim 1, wherein the sampling module comprises a sampling resistor R and a common mode inductor L as a main body, the main power circuit is composed of three of L1, L2 and L3, the standby power circuit is a line L4, a voltage transformer PT1 is connected between L1 and the sampling resistor R, a voltage transformer PT2 is connected between L2 and the sampling resistor R, a power transformer PT3 is connected between L3 and the sampling resistor R, the power transformer PT3 is connected with the common mode inductor L through a rectifier diode D1, and a power transformer PT4 and a rectifier diode D2 are connected in series between the common mode inductor L and L4.
8. The operating mechanism of an automatic transfer switch according to claim 7, wherein the main control module comprises a main control single chip microcomputer as a main body, the main control single chip microcomputer is externally connected with an amplifying circuit, a BUCK circuit, a feedback loop, a control loop, an external EEPROM and a split connector, 3 input ends of the amplifying circuit are respectively connected with 3 output ends of the sampling resistor R, an input end of the BUCK circuit is connected with an output end of the common mode inductor L, an output end of the BUCK circuit is connected with one end of the feedback loop, an input end of the feedback loop is connected with a control end of the driving motor, an input end and an output end of the control loop are connected with a control end of the driving motor, and an output end of the split connector is connected with the split display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363362.5U CN210110561U (en) | 2019-03-21 | 2019-03-21 | Operating mechanism of automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920363362.5U CN210110561U (en) | 2019-03-21 | 2019-03-21 | Operating mechanism of automatic change-over switch |
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| Publication Number | Publication Date |
|---|---|
| CN210110561U true CN210110561U (en) | 2020-02-21 |
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| CN201920363362.5U Expired - Fee Related CN210110561U (en) | 2019-03-21 | 2019-03-21 | Operating mechanism of automatic change-over switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211821A (en) * | 2019-03-21 | 2019-09-06 | 杭州之江开关股份有限公司 | A kind of operating mechanism and its switching control method of automatic change-over |
-
2019
- 2019-03-21 CN CN201920363362.5U patent/CN210110561U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211821A (en) * | 2019-03-21 | 2019-09-06 | 杭州之江开关股份有限公司 | A kind of operating mechanism and its switching control method of automatic change-over |
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Granted publication date: 20200221 |