CN202797718U - Programmed electric operating type centrally installed switchgear - Google Patents

Programmed electric operating type centrally installed switchgear Download PDF

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Publication number
CN202797718U
CN202797718U CN 201220439143 CN201220439143U CN202797718U CN 202797718 U CN202797718 U CN 202797718U CN 201220439143 CN201220439143 CN 201220439143 CN 201220439143 U CN201220439143 U CN 201220439143U CN 202797718 U CN202797718 U CN 202797718U
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CN
China
Prior art keywords
operating mechanism
circuit breaker
earthing
electric operating
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220439143
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Chinese (zh)
Inventor
张维军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU POWERTECH ELECTRICAL EQUIPMENT CO Ltd
Original Assignee
JIANGSU POWERTECH ELECTRICAL EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU POWERTECH ELECTRICAL EQUIPMENT CO Ltd filed Critical JIANGSU POWERTECH ELECTRICAL EQUIPMENT CO Ltd
Priority to CN 201220439143 priority Critical patent/CN202797718U/en
Application granted granted Critical
Publication of CN202797718U publication Critical patent/CN202797718U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a programmed electric operating type centrally installed switchgear which comprises a switchgear body, an electric circuit breaker operating mechanism, a circuit breaker, an electric grounding knife operating mechanism, a bevel gear set, a grounding knife, a chassis truck, a low pressure chamber and a controller. The controller is installed in the low pressure chamber; the electric circuit breaker operating mechanism is installed on a probe case installation board of the switchgear body; the circuit breaker is installed on the chassis truck; the upper end of the electric circuit breaker operating mechanism is provided with a transmission rod, and a main shaft of the chassis truck is transmitted through the transmission rod; the electric grounding knife operating mechanism is installed at the right side edge of a front side board of the switchgear body, and a motor of the electric grounding knife operating mechanism is in transmission connection with the grounding knife through the bevel gear set; and two normally-opened and two normally-closed travel switches are respectively arranged on two cams of the electric grounding knife operating mechanism.

Description

A kind of sequencing electric operating formula middle-placed switch cabinet
Technical field
The utility model relates to a kind of sequencing electric operating formula middle-placed switch cabinet, belongs to the central switch cabinet technical field.
Background technology
The electric operating mechanism that the middle-placed switch cabinet of existing sequencing formula is furnished with is not very safe and reliable.Existing electric operating mechanism of circuit-breaker generally is installed in the chassis vehicle, by moving forward and backward of the moving circuit breaker of chain driving-belt.The electric operating mechanism of existing earthing is installed on the earthing, by gear drive over the ground cutter carry out deciliter.
The electric operating mechanism of circuit breaker much is mounted in the chassis vehicle of circuit breaker, by the mode of chain drive and the transmission main shaft link of handcart, chaindriven mode is not very reliable, its starting torque is very large when electric motor starting, the power impact can cause chain breakage frequently, and electrically operated institution is installed in the chassis vehicle, changes and repairs very inconvenient.The electric operating mechanism of existing earthing is installed on the earthing, this is designed with following problem: ground cutter deciliter and to close timesharing moment inhomogeneous, cutter produces impact over the ground easily, auxiliary contact on the earthing can not be safe and reliable the state of indication ground cutter, occur easily that auxiliary contact put in place and inharmonious state that the ground cutter does not put in place, this moment, the distance of ground cutter distance high-voltage electrified body was very near, produced easily electric discharge phenomena, and is extremely dangerous.Even the electrically operated institution of some ground cutter is moving because of the still not stall that put in place of auxiliary contact problem, cause motor rotation blockage, finally cause motor to burn out.
The utility model content
The utility model purpose: with not enough, the utility model provides a kind of sequencing electric operating formula middle-placed switch cabinet with electric operating mechanism of simple in structure, for convenience detach, reliable and stable circuit breaker and earthing for problems of the prior art.
Technical scheme: a kind of sequencing electric operating formula middle-placed switch cabinet comprises cabinet, the electronic operating mechanism of circuit breaker, circuit breaker, earthing electric operating mechanism, bevel gear group, earthing, chassis vehicle, low-pressure chamber and controller; Described controller is installed in the low-pressure chamber, the electronic operating mechanism of Comprehensive Control circuit breaker and earthing electric operating mechanism; The electronic operating mechanism of described circuit breaker is installed on the contact box mounting plate of cabinet, is very easy to during maintenance take out and change; Described circuit breaker is installed on the chassis vehicle; The upper end of the electronic operating mechanism of described circuit breaker is provided with drive link, and by drive link transmission chassis vehicle main shaft; During the electronic operating mechanism work of described circuit breaker, circuit breaker moves to contact box mounting plate under the effect of the driving torque of the motor of the electronic operating mechanism of circuit breaker, after moving to default position, whether the motor that controller is judged the electronic operating mechanism of circuit breaker by locked rotor current stall, if stall, send a signal to relay, the circuit of relay cut-off breaker electric operating mechanism motor, the electronic operating mechanism motor stalling of circuit breaker; Described earthing electric operating mechanism is installed in the right edge of the right front side plate of cabinet, and the motor of earthing electric operating mechanism is in transmission connection by bevel gear group and earthing, realizes mild transmission; Respectively establish one two on two cams of described earthing electric operating mechanism and often drive two normally closed travel switches.For reliable earthing position signalling is provided, provide signal to controller behind two two cam wheel in-positions of often opening on two normally closed travel switches and the earthing electric operating mechanism, controller often leaves two normally closed travel switch auxiliary contact by two and judges whether opening and closing in place, prevent misoperation, can be grounded cutter electric operating mechanism drive and control of electric machine logic blocking.Controller obtains the current supply circuit that the motor of earthing electric operating mechanism is turn-offed in indicating relay effect behind the signal.The setting of these two travel switches, its function is better than other electrically operated institutions and is installed in travel switch on the earthing, more safe and reliable, can provide accurately the signal of ground cutter position, can not go out the terrain cutter also not have minute just to provide the wrong status information that closes of cutter.
The electronic operating mechanism of described circuit breaker by drive link transmission chassis vehicle main shaft specific implementation structure is: drive link is provided with square groove towards the termination of chassis vehicle, the spindle nose correspondence of chassis vehicle main shaft is provided with the friction tight square projection with square groove, circuit breaker is pushed in the bus-bar room, push the square groove insertion that the front square projection that will be located at first on the chassis vehicle main-shaft spindle head is aimed at the drive link end, make square projection and square groove tight fit, thereby when the motor operation of the electronic operating mechanism of circuit breaker, drive the chassis vehicle main shaft and rotate.
The motor of described earthing electric operating mechanism is passed to the bevel gear group by hexagonal rod with the output torque of motor; Described bevel gear group is made of the helical gear of two 45° angles, be respectively large bevel gear and cone pinion, change the direction of moment by helical gear, moment has been turned the main shaft that 90 ° of directions pass to earthing, described moment pulling earthing, carry out earthing deciliter.
Be provided with control loop monitor and warning device in the described controller.
Beneficial effect: compared with prior art, sequencing electric operating formula middle-placed switch cabinet provided by the utility model, the electronic operating mechanism of circuit breaker and earthing electric operating mechanism are easy for installation, the earthing electric operating mechanism is by the bevel gear transmission, impulsive force is little, steadily, can prolong the life-span of its motor.The electronic operating mechanism of circuit breaker is installed on chassis vehicle outside, by gear drive the power transmission shaft of chassis vehicle is passed in torque, and impulsive force is little.Need not manual operation during the electric rotating manual operation and thread off, automatically finish.Control method can be avoided misoperation circuit breaker and earthing.Use this self-action middle-placed switch cabinet (sequencing electric operating formula middle-placed switch cabinet) can be easily to integrate with the control method on backstage, directly the circuit breaker by the consistency operation intermediate switchgear cabinet and cutter deciliter, realize real distribution automation.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment;
Fig. 3 is the structural representation of the electronic operating mechanism of circuit breaker of the utility model embodiment;
Fig. 4 is the structural representation of the utility model embodiment;
Fig. 4 a is the structure for amplifying schematic diagram of bevel gear group among Fig. 4;
Fig. 5 is circuit breaker lock-out state figure among the utility model embodiment;
Fig. 6 is the state diagram that circuit breaker moves to contact box mounting plate among the utility model embodiment;
Fig. 7 is the state diagram that circuit breaker arrives assigned address among the utility model embodiment;
Fig. 8 is the structural representation of the earthing electric operating mechanism drive system of the utility model embodiment;
Fig. 9 is the structural representation of the earthing electric operating mechanism of the utility model embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
Shown in Fig. 1-9, the sequencing electric operating formula middle-placed switch cabinet of present embodiment, comprise the electronic operating mechanism drive system 1 of circuit breaker, earthing electric operating mechanism drive system 2, cabinet 3, low-pressure chamber 6 and controller, the electronic operating mechanism drive system 1 of circuit breaker comprises circuit breaker 4, chassis vehicle 22, the electronic operating mechanism 23 of circuit breaker; Earthing electric operating mechanism drive system 2 comprises earthing electric operating mechanism 32, bevel gear group 34, earthing 5.
Controller is installed in the low-pressure chamber 6, the electronic operating mechanism 23 of Comprehensive Control circuit breaker and earthing electric operating mechanism 32; The electronic operating mechanism 23 of circuit breaker is installed on the contact box mounting plate 24 of cabinet 3, is very easy to during maintenance take out and change; Circuit breaker 4 is installed on the chassis vehicle 22; The upper end of the electronic operating mechanism 23 of circuit breaker is provided with drive link 26, and the electronic operating mechanism 23 of circuit breaker is by drive link 26 transmission chassis vehicles 22 main shafts.
During electronic operating mechanism 23 work of circuit breaker, circuit breaker 4 moves to contact box mounting plate 24 under the effect of the driving torque of the motor of the electronic operating mechanism 23 of circuit breaker, after moving to default position, whether the motor that controller is judged the electronic operating mechanism 23 of circuit breaker by locked rotor current stall, if stall, send a signal to relay, the circuit of relay cut-off breaker electric operating mechanism 23 motors, electronic operating mechanism 23 motor stallings of circuit breaker.
Earthing electric operating mechanism 32 is installed in the right edge of cabinet 3 right front side plates, and the motor 53 of earthing electric operating mechanism 32 is in transmission connection by bevel gear group 34 and earthing 5, realizes mild transmission; Respectively establish one two on two cams 54 of described earthing electric operating mechanism 32 and often drive two normally closed travel switches 52.For reliable earthing 5 position signallings are provided, provide signal to controller behind two two cams, the 54 effect in-positions of often opening on two normally closed travel switches 52 and the earthing electric operating mechanism 32, controller often leaves two normally closed travel switch 52 auxiliary contact by two and judges whether opening and closing in place, prevent misoperation, can be grounded cutter electric operating mechanism 32 drive and control of electric machine logic blockings.Controller obtains the current supply circuit that the motor 53 of earthing electric operating mechanism 32 is turn-offed in indicating relay effect behind the signal.The setting of these two travel switches 52, can provide accurately the signal of ground cutter position, can not occur earthing 5 also not have minute just to provide the wrong status information that closes of cutter.
The electronic operating mechanism 23 of circuit breaker by drive link 26 transmission chassis vehicles 22 main shaft specific implementation structures is: drive link 26 is provided with square groove towards the termination of chassis vehicle 22, the spindle nose correspondence of chassis vehicle 22 main shafts is provided with and friction tight square protruding 25 of square groove, circuit breaker 4 is pushed in the bus-bar room, push the front square groove insertion that square protruding 25 on chassis vehicle 22 main-shaft spindle heads are aimed at drive link 26 ends that will be located at first, make square protruding 25 with the square groove tight fit, this moment, circuit breaker 4 was in the lock state (as shown in Figure 4) with chassis vehicle 22; Thereby when the motor operation of the electronic operating mechanism 23 of circuit breaker, drive chassis vehicle 22 main shafts and rotate, and to contact box mounting plate 24 directions motions (as shown in Figure 5); As shown in Figure 6, circuit breaker arrives assigned address, and controller signals to the circuit that relay disconnects motor, motor stalling by to electronic operating mechanism 23 motors of judgement circuit breaker this moment of locked rotor current stall after logic is judged.This moment, circuit breaker just in time put in place.During the circuit breaker outward movment, just in time opposite with Fig. 4,5,6 order.
The motor 53 of earthing electric operating mechanism 32 is passed to bevel gear group 34 by hexagonal rod 31 with the output torque of motor 53; Described bevel gear group 34 is made of the helical gear of two 45° angles, be respectively large bevel gear 342 and cone pinion 341, change the direction of moment by helical gear, moment has been turned the main shaft that 90 ° of directions pass to earthing 5, described moment pulling earthing 5, carry out earthing 5 deciliter.
Be provided with control loop monitor and warning device in the described controller.

Claims (4)

1. a sequencing electric operating formula middle-placed switch cabinet is characterized in that: comprise cabinet, the electronic operating mechanism of circuit breaker, circuit breaker, earthing electric operating mechanism, bevel gear group, earthing, chassis vehicle, low-pressure chamber and controller; Described controller is installed in the low-pressure chamber, the electronic operating mechanism of Comprehensive Control circuit breaker and earthing electric operating mechanism; The electronic operating mechanism of described circuit breaker is installed on the contact box mounting plate of cabinet; Described circuit breaker is installed on the chassis vehicle; The upper end of the electronic operating mechanism of described circuit breaker is provided with drive link, and by drive link transmission chassis vehicle main shaft; During the electronic operating mechanism work of described circuit breaker, circuit breaker moves to contact box mounting plate under the effect of the driving torque of the motor of the electronic operating mechanism of circuit breaker, after moving to default position, whether the motor that controller is judged the electronic operating mechanism of circuit breaker by locked rotor current stall, if stall, send a signal to relay, the circuit of relay cut-off breaker electric operating mechanism motor, the electronic operating mechanism motor stalling of circuit breaker; Described earthing electric operating mechanism is installed in the right edge of the right front side plate of cabinet, and the motor of earthing electric operating mechanism is in transmission connection by bevel gear group and earthing; Respectively establish one two on two cams of described earthing electric operating mechanism and often drive two normally closed travel switches; Provide signal to controller behind two two cam wheel in-positions of often opening on two normally closed travel switches and the earthing electric operating mechanism, controller obtains the current supply circuit that the motor of earthing electric operating mechanism is turn-offed in indicating relay effect behind the signal.
2. sequencing electric operating formula middle-placed switch cabinet as claimed in claim 1, it is characterized in that: the electronic operating mechanism of described circuit breaker by drive link transmission chassis vehicle main shaft specific implementation structure is: drive link is provided with square groove towards the termination of chassis vehicle, the spindle nose correspondence of chassis vehicle main shaft is provided with the friction tight square projection with square groove, circuit breaker is pushed in the bus-bar room, push the square groove insertion that the front square projection that will be located at first on the chassis vehicle main-shaft spindle head is aimed at the drive link end, make square projection and square groove tight fit, thereby when the motor operation of the electronic operating mechanism of circuit breaker, drive the chassis vehicle main shaft and rotate.
3. sequencing electric operating formula middle-placed switch cabinet as claimed in claim 1, it is characterized in that: the motor of described earthing electric operating mechanism is passed to the bevel gear group by hexagonal rod with the output torque of motor; Described bevel gear group is made of the helical gear of two 45° angles, be respectively large bevel gear and cone pinion, change the direction of moment by helical gear, moment has been turned the main shaft that 90 ° of directions pass to earthing, described moment pulling earthing, carry out earthing deciliter.
4. sequencing electric operating formula middle-placed switch cabinet as claimed in claim 1 is characterized in that: be provided with control loop monitor and warning device in the described controller.
CN 201220439143 2012-08-30 2012-08-30 Programmed electric operating type centrally installed switchgear Expired - Fee Related CN202797718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220439143 CN202797718U (en) 2012-08-30 2012-08-30 Programmed electric operating type centrally installed switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220439143 CN202797718U (en) 2012-08-30 2012-08-30 Programmed electric operating type centrally installed switchgear

Publications (1)

Publication Number Publication Date
CN202797718U true CN202797718U (en) 2013-03-13

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Application Number Title Priority Date Filing Date
CN 201220439143 Expired - Fee Related CN202797718U (en) 2012-08-30 2012-08-30 Programmed electric operating type centrally installed switchgear

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105372053A (en) * 2015-12-07 2016-03-02 江苏省电力公司检修分公司 Centrally installed switchgear handcart stagnation intelligent detection apparatus and detection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105372053A (en) * 2015-12-07 2016-03-02 江苏省电力公司检修分公司 Centrally installed switchgear handcart stagnation intelligent detection apparatus and detection method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20150830

EXPY Termination of patent right or utility model