Railway circuit breaker vehicle access control system and control method

Abstract

The invention discloses a railway circuit breaker vehicle access control system and control method. The system comprises an L-shaped frame, a propulsion mechanism, a handcart driving loop, a measurement and control terminal, a power supply module, a display control screen and an upper computer. The handcart driving loop comprises a driving module MCU, a driving motor M2, an auxiliary switch FK, a mode change-over switch SA, a first position confirmation mechanism, a second position confirmation mechanism and a travel switch TQ1; and the measurement and control terminal judges whether the circuit breaker handcart and the propulsion mechanism are in a test position or a working position according to feedback signals of the first position confirmation mechanism and the second position confirmation mechanism, and issues a remote propulsion control instruction or a remote exit control instruction to the driving module MCU, so that remote operation of the circuit breaker handcart and the propulsion mechanism is realized. The railway circuit breaker in-out operation efficiency is greatly improved, and the operation intensity and the operation and maintenance cost are reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of circuit breakers, and in particular relates to a railway circuit breaker in-and-out vehicle control system and a control method. Background Art

[0002] At present, in the traditional indoor 27.5kV railway circuit breaker solution, the current transformer is installed on the circuit breaker trolley and integrated with the circuit breaker operating mechanism and the propulsion mechanism, so as to realize the circuit breaker opening and closing operations, the manual propulsion or withdrawal operation of the propulsion mechanism and the primary main circuit current measurement, so as to achieve the functions of receiving or distributing electric energy and fault protection.

[0003] At present, the commonly used technical scheme for the propulsion mechanism is mainly a mechanical propulsion system, which is composed of a trolley frame, a manual operating mechanism, an interlocking mechanism (pedal or lever), a position indication assembly and other components. If the circuit breaker trolley is pushed from the test position to the working position: first, the operator confirms that the circuit breaker is in the "open" state, the manual operating mechanism is locked in the "open" position, and the interlocking mechanism is unlocked by the foot (or the lever unlocks the interlocking mechanism), and then the trolley frame handle is manually pushed to move the trolley frame to the working position. When it is pushed to the blocked state (that is, the lock hook of the manual operating mechanism reaches the locking preparation position), the manual operating mechanism handle is moved to the "closed" position in the corresponding indication direction, and the interlocking pedal or lever is automatically reset and locked, and the circuit breaker trolley enters the working position. If the circuit breaker trolley is withdrawn from the working position to the test position: first, the operator confirms that the circuit breaker is in the "open" state, and then reverses the above steps.

[0004] The patent document with authorization announcement number CN205248686U discloses a circuit breaker in and out vehicle system, which drives the lead screw to rotate through a motor, and then pulls the chassis vehicle to move through the lead screw nut, so that the chassis vehicle moves along the track; when the circuit breaker trolley moves to the point where the static contact is inserted into the moving contact, the circuit breaker trolley enters the working position; the motor is controlled in reverse to make the circuit breaker trolley exit.

[0005] The current transformer is installed on the circuit breaker trolley, which greatly increases the overall weight of the circuit breaker trolley. When the operation and maintenance personnel operate the circuit breaker trolley to advance or withdraw, they cannot implement electric control and do not have the conditions for remote control. They can only operate manually on the spot, resulting in high operation intensity, low work efficiency, high error rate, and low safety, which limits the intelligent development of electrified railway circuit breaker products. Simply relying on manual inspection and on-site manual operation, relying too much on people's work experience and operating strength, increases the risk of human factors, high operation intensity, low work efficiency, and invisibly increases the labor cost and time cost of operation and maintenance work; during on-site operation, if a fault or misoperation occurs, it will have a serious impact on the safety of operators and equipment, and remote electric control cannot be achieved, and it cannot meet the needs of the intelligent development of electrified railways. Summary of the invention

[0006] The purpose of the present invention is to provide a railway circuit breaker in-and-out car control system and control method to solve the problem that the traditional solution relies too much on human work experience and operating strength, resulting in high circuit breaker in-and-out car operation intensity, low work efficiency, high operation and maintenance costs, and inability to achieve remote electric control.

[0007] The present invention solves the above technical problems through the following technical solutions: a railway circuit breaker in-and-out vehicle control system, comprising an L-shaped frame provided with a first track and a static contact, a propulsion mechanism provided with a second track, a trolley drive circuit, a measurement and control terminal, a display and control screen, and a host computer; the propulsion mechanism is slidably arranged on the first track, and the second track is used for pushing the circuit breaker trolley on the propulsion mechanism; the display and control screen is arranged on the operation panel of the circuit breaker trolley;

[0008] The trolley driving circuit includes a driving module MCU, a driving motor M2, an auxiliary switch FK, a mode conversion switch SA, a first position confirmation mechanism, a second position confirmation mechanism and a travel switch TQ1; the third end of the driving module MCU is connected to the fourth end of the driving module MCU through the contact TQ1-4 of the travel switch TQ1 and the driving motor M2; the seventh end of the driving module MCU is connected to the eighth end of the driving module MCU through the contact SA-1 of the mode conversion switch SA; one end of the first contact of the auxiliary switch FK is connected to the eighth end of the driving module MCU through the contact SA-2 of the mode conversion switch SA. Point SA-4 is connected to the contact T4 of the connector T, and the other end of the first contact of the auxiliary switch FK is connected to the closing control circuit of the circuit breaker operating mechanism through the contact TQ1-2 of the travel switch TQ1; one end of the third contact of the auxiliary switch FK is connected to the contact T30 of the connector T through the contact SA-5 of the mode conversion switch SA, and one end of the third contact of the auxiliary switch FK is also connected to the opening control circuit of the circuit breaker operating mechanism through the contact TQ1-1 of the travel switch TQ1; the seventh contact and the eighth contact of the auxiliary switch FK are respectively connected to the measurement and control terminal;

[0009] The driving motor M2 is arranged on the L-shaped frame and connected to the propulsion mechanism through a motion mechanism; the travel switch TQ1 is arranged on the upper part of the bottom plate of the circuit breaker trolley and connected to the pedal of the circuit breaker trolley; the measurement and control terminal is connected to the first position confirmation mechanism and the second position confirmation mechanism; the first position confirmation mechanism is used to confirm whether the circuit breaker trolley and the propulsion mechanism are in the working position; the second position confirmation mechanism is used to confirm whether the circuit breaker trolley and the propulsion mechanism are in the test position;

[0010] The mode conversion switch SA is used to generate a remote operation mode signal or a local operation mode signal; the display control screen is used to display the position status of the circuit breaker trolley and the propulsion mechanism and the opening and closing status of the circuit breaker operating mechanism; the host computer is used to display the position status of the circuit breaker trolley and the propulsion mechanism and the opening and closing status of the circuit breaker operating mechanism; and in the remote operation mode, a first propulsion demand instruction and a first exit demand instruction are generated and sent to the measurement and control terminal;

[0011] The measurement and control terminal is used to judge whether the circuit breaker trolley and the propulsion mechanism are in the test position or the working position according to the feedback signals of the first position confirmation mechanism and the second position confirmation mechanism, and feed back to the display control screen and the host computer; judge whether the circuit breaker operating mechanism is in the open state or the closed state according to the states of the seventh contact and the eighth contact of the auxiliary switch FK, and feed back to the display control screen and the host computer; under the condition that the circuit breaker trolley and the propulsion mechanism are in the test position and the circuit breaker operating mechanism is in the open state, send a first propulsion control instruction to the drive module MCU according to the first propulsion demand instruction; under the condition that the circuit breaker trolley and the propulsion mechanism are in the working position and the circuit breaker operating mechanism is in the open state, send a first exit control instruction to the drive module MCU according to the first exit demand instruction; when the circuit breaker trolley and the propulsion mechanism reach the working position, send a stop propulsion instruction to the drive module MCU, and when the circuit breaker trolley and the propulsion mechanism reach the test position, send a stop exit instruction to the drive module MCU;

[0012] The drive module MCU is used to control the drive motor M2 to work according to the first propulsion control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the test position to the working position; control the drive motor M2 to work according to the first exit control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the working position to the test position; and control the drive motor M2 to stop according to the stop propulsion instruction or the stop exit instruction.

[0013] Further, the first position confirmation mechanism includes a travel switch SQ2, a travel switch S11, a first baffle and a second baffle; the travel switch SQ2 is arranged at the bottom of the circuit breaker trolley, the first baffle is arranged at the bottom surface of the L-shaped frame, and when the first baffle contacts the travel switch SQ2, the circuit breaker trolley is in a working position; the travel switch S11 is arranged on a first track, the second baffle is arranged on a propulsion mechanism, and when the second baffle contacts the travel switch S11, the propulsion mechanism is in a working position; the third end of the measurement and control terminal is connected to the fourth end of the measurement and control terminal through the contact S11-2 of the travel switch S11 and the contact SQ2-2 of the travel switch SQ2;

[0014] The second position confirmation mechanism includes a travel switch SQ3, a travel switch S12, a third baffle and a fourth baffle; the travel switch SQ3 is arranged at the bottom of the circuit breaker trolley, the third baffle is arranged at the bottom surface of the L-shaped frame, and when the third baffle is in contact with the travel switch SQ3, the circuit breaker trolley is in the test position; the travel switch S12 is arranged on the first track, the fourth baffle is arranged on the propulsion mechanism, and when the fourth baffle is in contact with the travel switch S12, the propulsion mechanism is in the test position; the fifth end of the measurement and control terminal is connected to the sixth end of the measurement and control terminal through the contact S12-2 of the travel switch S12 and the contact SQ3-2 of the travel switch SQ3.

[0015] Furthermore, the contact SQ2-1 of the travel switch SQ2 is connected in series with the contact S11-1 of the travel switch S11 and then connected to the connector T; the contact SQ3-1 of the travel switch SQ3 is connected in series with the contact S12-1 of the travel switch S12 and then connected to the connector T; the drive module MCU is also connected to the connector T.

[0016] Further, the display and control screen is also used to generate a second propulsion demand instruction and a second exit demand instruction in the local operation mode, and send them to the measurement and control terminal; the measurement and control terminal is also used to send a second propulsion control instruction to the drive module MCU according to the second propulsion demand instruction under the condition that the circuit breaker trolley and the propulsion mechanism are in the test position and the circuit breaker operating mechanism is in the open state; under the condition that the circuit breaker trolley and the propulsion mechanism are in the working position and the circuit breaker operating mechanism is in the open state, send a second exit control instruction to the drive module MCU according to the second exit demand instruction;

[0017] The drive module MCU is used to control the drive motor M2 to work according to the second propulsion control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the test position to the working position; and control the drive motor M2 to work according to the second exit control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the working position to the test position.

[0018] Furthermore, the trolley driving circuit further includes a knob SB2, and the knob SB2 is connected to the driving module MCU;

[0019] The knob SB2 is used to generate a third propulsion control instruction or a third exit control instruction, and the drive module MCU is used to control the drive motor M2 to work according to the third propulsion control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the test position to the working position; and control the drive motor M2 to work according to the third exit control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the working position to the test position.

[0020] Furthermore, the trolley driving circuit also includes a travel switch SQ1, a fifth baffle, an operating hole and a first handle, wherein the operating hole is provided on the operating panel of the circuit breaker trolley; the contact SQ1-1 of the travel switch SQ1 is connected in parallel to both ends of the contact TQ1-1, the contact SQ1-2 of the travel switch SQ1 is connected in series to the branch corresponding to the contact TQ1-2, and the contact SQ1-4 of the travel switch SQ1 is connected in series to the branch corresponding to the contact TQ1-4 and the driving motor M2;

[0021] The fifth baffle is arranged on the upper part of the bottom plate of the circuit breaker trolley, and when the first handle is inserted into the operating hole, the fifth baffle is toggled, and the travel switch SQ1 is triggered through the fifth baffle, the contact SQ1-1 is closed, and the contacts SQ1-2 and SQ1-4 are disconnected; the first handle is connected to the motion mechanism through the operating hole, and the motion mechanism is driven to move by operating the first handle, thereby driving the propulsion mechanism to move, thereby realizing the manual operation of advancing or withdrawing the circuit breaker trolley.

[0022] Furthermore, the motion mechanism includes a first screw, a turbine and a second screw; the first end of the first screw is connected to the drive motor M2, the second end of the first screw and the first end of the second screw are respectively engaged with the turbine, and the second end of the second screw is connected to the first handle.

[0023] Further, the pedal of the circuit breaker trolley is connected to the first lock column, an elastic member is disposed on the outer surface of the first lock column, one end of the elastic member abuts against the bottom of the circuit breaker trolley, and the other end of the elastic member is fixed to the first lock column; a lock hole is provided on the propulsion mechanism, and the first lock column cooperates with the lock hole to realize mutual locking of the circuit breaker trolley and the propulsion mechanism;

[0024] The second handle of the circuit breaker trolley is also connected to a lock hook. A second lock column is provided on the propulsion mechanism. The lock hook cooperates with the second lock column to realize mutual locking of the circuit breaker trolley and the propulsion mechanism.

[0025] Furthermore, the control system further comprises a first visual sensor, a second visual sensor and a current sensor LT connected to the measurement and control terminal; the first visual sensor is used to monitor the motion state of the motion mechanism, the second visual sensor is used to monitor the position state of the moving contact of the circuit breaker trolley; the current sensor LT is used to monitor the operating current of the drive motor M2;

[0026] The display control screen and the host computer are also used to display the motion state of the motion mechanism, the position state of the moving contact of the circuit breaker trolley and the operating state of the drive motor M2 in real time.

[0027] Furthermore, the control system also includes a power module, which is used to provide electric energy to the display and control screen, the measurement and control terminal and the trolley drive circuit; the power module includes a capacitor group C, a diode D1, a diode D2, a resistor R and a relay KT2; the diode D2, the resistor R and the contact KT2-1 of the relay KT2 are connected in sequence to form a series branch, the diode D1 is connected in parallel to both ends of the series branch, the positive electrode of the diode D2 and the coil of the relay KT2 are respectively connected to the contact T10 of the connector T, the positive electrode of the capacitor group C is connected to the resistor R and the contact KT2-1 of the relay KT2, the negative electrode of the capacitor group C is connected to the coil of the relay KT2, the contact T20 of the connector T and the trolley drive circuit, and the contact KT2-1 of the relay KT2 is connected to the trolley drive circuit.

[0028] Based on the same concept, the present invention also provides a control method for the railway circuit breaker in-and-out vehicle control system as described above, including remote operation control; wherein the remote operation control includes:

[0029] The operator pushes the circuit breaker trolley along the second track and locks the circuit breaker trolley and the pushing mechanism together in the test position; after the connector T is docked, the second position confirmation mechanism is triggered to generate a feedback signal, and the display and control screen and the host computer display that the circuit breaker trolley and the pushing mechanism are both in the test position;

[0030] Under the condition that the circuit breaker operating mechanism is in the open state and the circuit breaker trolley and propulsion mechanism are in the test position, the mode conversion switch SA is rotated to the remote position, the contact SA-1 is disconnected, and the drive module MCU receives the remote operation mode signal; when the measurement and control terminal receives the first propulsion demand instruction issued by the host computer, it sends the first propulsion control instruction to the drive module MCU;

[0031] The drive module MCU controls the drive motor M2 to work according to the first propulsion control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the test position to the working position;

[0032] When the first position confirmation mechanism generates a feedback signal, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism have reached the working position according to the feedback signal of the first position confirmation mechanism, and sends a stop propulsion instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop propulsion instruction;

[0033] Under the condition that the circuit breaker trolley and the propulsion mechanism are in the working position and the circuit breaker operating mechanism is in the open state, when the measurement and control terminal receives the first exit demand instruction issued by the upper computer, it sends the first exit control instruction to the drive module MCU, and the drive module MCU controls the drive motor M2 to work according to the first exit control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the working position to the test position;

[0034] When the second position confirmation mechanism generates a feedback signal, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism have reached the test position according to the feedback signal of the second position confirmation mechanism, and sends a stop exit instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop exit instruction.

[0035] Beneficial Effects

[0036] Compared with the prior art, the advantages of the present invention are:

[0037] The present invention realizes confirmation that the circuit breaker trolley and the propulsion mechanism are in the test position through the second position confirmation mechanism, and realizes confirmation that the circuit breaker trolley and the propulsion mechanism are in the working position through the first position confirmation mechanism; under the condition that the circuit breaker trolley and the propulsion mechanism are in the working position or the test position, and the circuit breaker operating mechanism is in the open state, the remote exit or propulsion operation of the circuit breaker trolley and the propulsion mechanism is realized through the measurement and control terminal and the drive module MCU, which greatly improves the operation efficiency of the railway circuit breaker in and out of the car, reduces the operation intensity and operation and maintenance costs, and improves the convenience and flexibility of power management. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only one embodiment of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 It is a structural block diagram of a railway circuit breaker in-and-out vehicle control system according to an embodiment of the present invention;

[0040] Figure 2 is a three-dimensional schematic diagram of an L-shaped frame and a propulsion mechanism in an embodiment of the present invention;

[0041] Figure 3 is a top view of the L-shaped frame and the propulsion mechanism in an embodiment of the present invention;

[0042] Figure 4 This is a control principle diagram of a railway circuit breaker in-and-out vehicle control system according to an embodiment of the present invention;

[0043] Figure 5 is a three-dimensional schematic diagram of a railway circuit breaker according to an embodiment of the present invention;

[0044] Figure 6 is a partial cross-sectional view of a circuit breaker trolley in an embodiment of the present invention;

[0045] Figure 7 1 is a schematic diagram of the test position of the circuit breaker trolley in an embodiment of the present invention;

[0046] Figure 8 Schematic diagram of the working position of the circuit breaker trolley in the embodiment of the present invention;

[0047] Fig. 9 It is a schematic diagram of a power supply module in an embodiment of the present invention.

[0048] Explanation of the accompanying drawings: 1-display and control screen, 1a-operating mechanism separation and combination indicator, 2a-working position indicator, 3-handle, 3a-test position indicator, 4-second handle, 7-pedal, 8-operating hole, 12-circuit breaker operating mechanism, 14-measurement and control terminal and drive module MCU, 16-lock hook, 17-first visual sensor, 18-second visual sensor, 21-first lock column, 23-fifth baffle, 25-first baffle, 26-third baffle, 27-second lock column, 29-fourth baffle, 30-lock hole, 31-second rail, 32-first rail, 33-second lead screw, 34-second baffle, 36-turbine, 37-propulsion mechanism, 38-first lead screw, 39-limiting column, 40-L-shaped frame, 41-static contact, 43-moving contact. DETAILED DESCRIPTION

[0049] The following is a clear and complete description of the technical solutions in the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] The technical solution of the present application is described in detail with specific embodiments below. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0051] like Figures 1 to 3As shown, a railway circuit breaker in-and-out vehicle control system provided by an embodiment of the present invention includes an L-shaped frame 40 provided with a first track 32 and a static contact 41, a propulsion mechanism 37 provided with a second track 31, a trolley drive circuit, a measurement and control terminal, a power module, a display and control screen 1 and a host computer; the propulsion mechanism 37 is slidably arranged on the first track 32, and the second track 31 is used to push the circuit breaker trolley on the propulsion mechanism 37; the measurement and control terminal is connected with the trolley drive circuit, the display and control screen 1 and the host computer, the trolley drive circuit is connected with the propulsion mechanism 37, and the power module is used to provide power to the display and control screen 1, the measurement and control terminal and the trolley drive circuit; the display and control screen 1 is arranged on the operation panel of the circuit breaker trolley, and the measurement and control terminal and the drive module MCU 14 are arranged on the circuit breaker trolley.

[0052] like Figure 4 As shown, the trolley driving circuit includes a driving module MCU, a driving motor M2, an auxiliary switch FK, a mode conversion switch SA, a first position confirmation mechanism, a second position confirmation mechanism and a travel switch TQ1; the third end of the driving module MCU is connected to the fourth end of the driving module MCU through the contact TQ1-4 of the travel switch TQ1 and the driving motor M2; the seventh end of the driving module MCU is connected to the eighth end of the driving module MCU through the contact SA-1 of the mode conversion switch SA; one end of the first contact of the auxiliary switch FK is connected to the contact T4 of the connector T through the contact SA-4 of the mode conversion switch SA, and the other end of the first contact of the auxiliary switch FK is connected to the contact T4 of the connector T through the contact SA-4 of the mode conversion switch SA. The contact TQ1-2 of the travel switch TQ1 is connected to the closing control circuit of the circuit breaker operating mechanism 12; one end of the third contact of the auxiliary switch FK is connected to the contact T30 of the connector T through the contact SA-5 of the mode conversion switch SA, and one end of the third contact of the auxiliary switch FK is also connected to the opening control circuit of the circuit breaker operating mechanism 12 through the contact TQ1-1 of the travel switch TQ1; the seventh contact and the eighth contact of the auxiliary switch FK are respectively connected to the measurement and control terminal; the drive motor M2 is arranged on the L-shaped frame 40 and is connected to the propulsion mechanism 37 through the motion mechanism; the travel switch TQ1 is arranged on the upper part of the bottom plate of the circuit breaker trolley and is connected to the pedal 7 of the circuit breaker trolley.

[0053] The measurement and control terminal is connected to the first position confirmation mechanism and the second position confirmation mechanism; the first position confirmation mechanism is used to confirm whether the circuit breaker trolley and the propulsion mechanism 37 are in the working position; the second position confirmation mechanism is used to confirm whether the circuit breaker trolley and the propulsion mechanism 37 are in the test position; the measurement and control terminal determines whether the circuit breaker trolley and the propulsion mechanism 37 are in the working position or the test position according to the feedback signals of the first position confirmation mechanism and the second position confirmation mechanism.

[0054] There are many implementation modes for the first position confirmation mechanism and the second position confirmation mechanism. In a specific implementation mode of the present invention, Figure 2 , Figure 3 , Figures 5 to 8 As shown, the first position confirmation mechanism includes a travel switch SQ2, a travel switch S11, a first baffle 25 and a second baffle 34; the travel switch SQ2 is arranged at the bottom of the circuit breaker trolley, the first baffle 25 is arranged on the bottom surface of the L-shaped frame 40, and when the first baffle 25 contacts the travel switch SQ2, the circuit breaker trolley is in the working position; the travel switch S11 is arranged on the first track 32, the second baffle 34 is arranged on the propulsion mechanism 37, and when the second baffle 34 contacts the travel switch S11, the propulsion mechanism 37 is in the working position; the third end of the measurement and control terminal is connected to the fourth end of the measurement and control terminal through the contact S11-2 of the travel switch S11 and the contact SQ2-2 of the travel switch SQ2; the measurement and control terminal determines whether the circuit breaker trolley and the propulsion mechanism 37 are in the working position according to the states of the contact S11-2 and the contact SQ2-2;

[0055] The second position confirmation mechanism includes a travel switch SQ3, a travel switch S12, a third baffle 26 and a fourth baffle 29; the travel switch SQ3 is arranged at the bottom of the circuit breaker trolley, the third baffle 26 is arranged at the bottom surface of the L-shaped frame 40, and when the third baffle 26 contacts the travel switch SQ3, the circuit breaker trolley is in the test position; the travel switch S12 is arranged on the first track 32, the fourth baffle 29 is arranged on the propulsion mechanism 37, and when the fourth baffle 29 contacts the travel switch S12, the propulsion mechanism 37 is in the test position; the fifth end of the measurement and control terminal is connected to the sixth end of the measurement and control terminal through the contact S12-2 of the travel switch S12 and the contact SQ3-2 of the travel switch SQ3; the measurement and control terminal determines whether the circuit breaker trolley and the propulsion mechanism 37 are in the working position according to the status of the contact S12-2 and the contact SQ3-2.

[0056] In another specific embodiment of the present invention, the first position confirmation mechanism includes a first laser sensor and a second laser sensor, which respectively detect whether the operating mechanism trolley and the propulsion mechanism 37 are in the working position through the first laser sensor and the second laser sensor; the second position confirmation mechanism includes a third laser sensor and a fourth laser sensor, which respectively detect whether the operating mechanism trolley and the propulsion mechanism 37 are in the test position through the third laser sensor and the fourth laser sensor.

[0057] In another specific embodiment of the present invention, the first position confirmation mechanism includes a first infrared sensor and a second infrared sensor, which respectively detect whether the operating mechanism trolley and the propulsion mechanism 37 are in the working position through the first infrared sensor and the second infrared sensor; the second position confirmation mechanism includes a third infrared sensor and a fourth infrared sensor, which respectively detect whether the operating mechanism trolley and the propulsion mechanism 37 are in the test position through the third infrared sensor and the fourth infrared sensor.

[0058] In another specific embodiment of the present invention, the first position confirmation mechanism includes a first microswitch and a second microswitch, and the first microswitch and the second microswitch are used to respectively detect whether the operating mechanism trolley and the propulsion mechanism 37 are in the working position; the second position confirmation mechanism includes a third microswitch and a fourth microswitch, and the third microswitch and the fourth microswitch are used to respectively detect whether the operating mechanism trolley and the propulsion mechanism 37 are in the test position.

[0059] In a specific embodiment of the present invention, Figure 6 As shown, the pedal 7 of the circuit breaker trolley is connected to the first lock column 21, an elastic member is provided on the outer cover of the first lock column 21, one end of the elastic member abuts against the bottom of the circuit breaker trolley, and the other end of the elastic member is fixed to the first lock column 21; a lock hole 30 is provided on the propulsion mechanism 37, and the first lock column 21 cooperates with the lock hole 30 to realize the mutual locking of the circuit breaker trolley and the propulsion mechanism 37; Figure 7 As shown, the second handle 4 of the circuit breaker trolley is also connected to the lock hook 16, and a second lock column 27 is provided on the propulsion mechanism 37. The lock hook 16 cooperates with the second lock column 27 to realize the mutual locking of the circuit breaker trolley and the propulsion mechanism 37. In another specific embodiment of the present invention, when the circuit breaker trolley and the propulsion mechanism 37 are in the test position, other methods can also be used to realize the mutual locking of the circuit breaker trolley and the propulsion mechanism 37.

[0060] The control system of the present invention has three working modes: remote operation mode, local operation mode and manual operation mode.

[0061] Before remote operation, local operation or manual operation, the circuit breaker trolley and the propulsion mechanism 37 need to be in the test position and locked with each other. The specific operation process is: the operator confirms that the circuit breaker operating mechanism 12 is in the open state, and the second handle 4 of the circuit breaker trolley is in the open position. Here, the pedal 7 of the circuit breaker trolley is stepped on to lift the first lock column 21, and the elastic member is compressed. The circuit breaker trolley is pushed to the second track 31 through the handle 3 and pushed along the second track 31 until the circuit breaker trolley is pushed to the blocked state, and the second handle 4 is moved to the closed position to lock the lock hook 16 on the second lock column 27, so that the circuit breaker trolley and the propulsion mechanism 37 are mutually locked in the test position, as shown in FIG. Figure 7 As shown, the display control screen 1 and the host computer display that the circuit breaker trolley and the propulsion mechanism 37 are in the test position.

[0062] When the circuit breaker trolley is pushed to the test position, under the action of the elastic member, the first lock column 21 resets itself and falls into the lock hole 30, causing the advancement to be blocked, and at the same time, the circuit breaker trolley and the pushing mechanism 37 are mutually locked in the test position; when the third baffle 26 triggers the travel switch SQ3 to act and the fourth baffle 29 triggers the travel switch S12 to act, the measurement and control terminal determines that the circuit breaker trolley and the pushing mechanism 37 are in the test position according to the action signals of the contacts S12-2 and SQ3-2, and sends them to the display control screen 1 and the host computer, and the display control screen 1 and the host computer display that the circuit breaker trolley and the pushing mechanism 37 are in the test position. At the same time, the measurement and control terminal determines whether the circuit breaker operating mechanism 12 is in the open state or the closed state according to the states of the seventh and eighth contacts of the auxiliary switch FK, and feeds back to the display control screen 1 and the host computer, and the display control screen 1 and the host computer display whether the circuit breaker is in the open state or the closed state.

[0063] like Figure 4 , Figure 6 and Figure 7 As shown, the travel switch TQ1 is arranged on the upper part of the bottom plate of the circuit breaker trolley and is connected to the pedal 7. The travel switch TQ1 realizes the electrical interlocking of the operation of the pedal 7. When the pedal 7 is stepped on, the state conversion of each contact of the travel switch TQ1 is triggered, and the contact TQ1-1 changes from open to closed, and the contacts TQ1-2 and TQ1-4 change from closed to open.

[0064] When the circuit breaker operating mechanism 12 is in the open state, the closing control circuit of the circuit breaker operating mechanism 12 is locked by disconnecting the contact TQ1-2 to prevent the circuit breaker trolley from closing by mistake when the circuit breaker trolley moves, and the drive motor M2 is disconnected by the contact TQ1-4 to prevent the circuit breaker trolley and the propulsion mechanism 37 from being operated when the circuit breaker trolley is not locked; when the circuit breaker operating mechanism 12 is in the closed state, the third contact of the auxiliary switch FK is closed, and the opening control circuit of the circuit breaker operating mechanism 12 is turned on by closing the contact TQ1-1. Before the circuit breaker trolley moves, the circuit breaker is interlocked to open to prevent the circuit breaker trolley from being operated by mistake in the closed state. At the same time, the closing control circuit of the circuit breaker operating mechanism 12 is locked by disconnecting the contact TQ1-2 to prevent the circuit breaker trolley from closing by mistake again when the circuit breaker trolley moves, and the drive motor M2 is disconnected by disconnecting the contact TQ1-4 to prevent the circuit breaker trolley and the propulsion mechanism 37 from being operated when the circuit breaker trolley is not locked.

[0065] The mechanical transmission caused by the closing action of the circuit breaker operating mechanism causes the first contact of the auxiliary switch FK to change from closed to open, thereby cutting off the closing control circuit. The third contact of the auxiliary switch FK closes and connects the opening control circuit between the contacts T30 and T31 of the connector T, preparing for the control of the opening operation. The seventh contact of the auxiliary switch FK changes from closed to open, and the eighth contact of the auxiliary switch FK changes from open to closed. The measurement and control terminal thus determines that the circuit breaker operating mechanism is in the closed state; The mechanical transmission caused by the opening action of the circuit breaker operating mechanism causes the third contact of the auxiliary switch FK to change from closed to open, thereby cutting off the opening control circuit. The first contact of the auxiliary switch FK closes and connects the closing control circuit between the contacts T4 and T14 of the connector T. In preparation for the control of the closing operation, the seventh contact of the auxiliary switch FK changes from open to closed, and the eighth contact of the auxiliary switch FK changes from closed to open. The measurement and control terminal thus determines that the circuit breaker operating mechanism is in the opening state.

[0066] Propulsion operation in remote operation mode: under the condition that the circuit breaker trolley and the propulsion mechanism 37 are in the test position and the circuit breaker operating mechanism 12 is in the open state, the mode conversion switch SA is rotated to the remote position, the contact SA-1 is disconnected, and the drive module MCU receives the remote operation mode signal; the first propulsion demand instruction is generated by operating the host computer, and the measurement and control terminal sends the first propulsion control instruction to the drive module MCU according to the first propulsion demand instruction sent by the host computer; the drive module MCU controls the drive motor M2 to work according to the first propulsion control instruction and the remote operation mode signal, and drives the propulsion mechanism 37 to move through the motion mechanism, so that the circuit breaker trolley and the propulsion mechanism 37 move from the test position to the working position;

[0067] When the first baffle 25 triggers the travel switch SQ2 to operate and the second baffle 34 triggers the travel switch S11 to operate, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 have reached the working position (such as Figure 8 As shown), the drive module MCU is issued a stop propulsion instruction, and the drive module MCU controls the drive motor M2 to stop according to the stop propulsion instruction, so that the circuit breaker trolley and the propulsion mechanism 37 are in the working position.

[0068] Exit operation in remote operation mode: under the condition that the circuit breaker trolley and the propulsion mechanism 37 are in the working position and the circuit breaker operating mechanism 12 is in the open state, the mode conversion switch SA is rotated to the remote position, the contact SA-1 is disconnected, and the drive module MCU receives the remote operation mode signal; the first exit demand instruction is generated by operating the host computer, and the measurement and control terminal sends the first exit control instruction to the drive module MCU according to the first exit demand instruction sent by the host computer; the drive module MCU controls the drive motor M2 to work according to the first exit control instruction and the remote operation mode signal, and drives the propulsion mechanism 37 to move through the motion mechanism, so that the circuit breaker trolley and the propulsion mechanism 37 move from the working position to the test position;

[0069] When the third baffle 26 triggers the travel switch SQ3 to operate, and the fourth baffle 29 triggers the travel switch S12 to operate, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 have reached the test position (such as Figure 7 As shown), the drive module MCU is issued a stop exit instruction, and the drive module MCU controls the drive motor M2 to stop according to the stop exit instruction, so that the circuit breaker trolley and the propulsion mechanism 37 are in the test position.

[0070] The first propulsion control instruction and the first exit control instruction are both sent by the measurement and control terminal to the drive module MCU. In another specific implementation of the present invention, the propulsion control instruction and the exit control instruction can also be directly input through the dry contact of the drive module MCU, specifically: Figure 4 As shown, the contact SQ2-1 of the limit switch SQ2 is connected in series with the contact S11-1 of the limit switch S11 and then connected to the contacts T7 and T17 of the connector T; the contact SQ3-1 of the limit switch SQ3 is connected in series with the contact S12-1 of the limit switch S12 and then connected to the contacts T9 and T19 of the connector T; the drive module MCU is also connected to the connector T.

[0071] When the first baffle 25 triggers the travel switch SQ2, the contact SQ2-2 and the contact SQ2-1 are closed; when the second baffle 34 triggers the travel switch S11, the contact S11-2 and the contact S11-1 are closed; at this time, the contacts T7 and T17 of the connector T are connected, and the working position feedback signal is output. When the third baffle 26 triggers the travel switch SQ3, the contact SQ3-2 and the contact SQ3-1 are closed; when the fourth baffle 29 triggers the travel switch S12, the contact S12-2 and the contact S12-1 are closed; at this time, the contacts T9 and T19 of the connector T are connected, and the test position feedback signal is output. The contacts T7 and T17 of the connector T serve as working position feedback terminals, and the contacts T9 and T19 serve as test position feedback terminals. The position status of the circuit breaker trolley and the propulsion mechanism 37 is fed back to the outside (such as an indicator light or a display control screen 1) through the connector T. According to the fed-back position status and the opening status of the operating mechanism circuit breaker, the external device directly sends a propulsion control instruction to the drive module MCU through the contacts T8 and T18 of the connector T, or directly sends an exit control instruction to the drive module MCU through the contacts T6 and T16 of the connector T, thereby realizing remote operation of the circuit breaker trolley.

[0072] In a specific embodiment of the present invention, the propulsion control instruction and the exit control instruction in the local operation mode are generated by the display and control screen 1, and the propulsion operation in the local operation mode is specifically as follows: under the condition that the circuit breaker trolley and the propulsion mechanism 37 are in the test position and the circuit breaker operating mechanism 12 is in the open state, the mode conversion switch SA is rotated to the local gear, the contact SA-1 is closed, and the drive module MCU receives the local operation mode signal; the second propulsion demand instruction is generated by operating the display and control screen 1, and the measurement and control terminal sends the second propulsion control instruction to the drive module MCU according to the second propulsion demand instruction sent by the display and control screen 1; the drive module MCU controls the drive motor M2 to work according to the second propulsion control instruction and the local operation mode signal, and drives the propulsion mechanism 37 to move through the motion mechanism, so that the circuit breaker trolley and the propulsion mechanism 37 move from the test position to the working position;

[0073] When the first baffle 25 triggers the travel switch SQ2 to operate and the second baffle 34 triggers the travel switch S11 to operate, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 have reached the working position according to the action signals of the contacts S11-2 and SQ2-2, and sends a stop propulsion instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop propulsion instruction, so that the circuit breaker trolley and the propulsion mechanism 37 are in the working position.

[0074] The exit operation in the local operation mode is specifically as follows: under the condition that the circuit breaker trolley and the propulsion mechanism 37 are in the working position and the circuit breaker operating mechanism 12 is in the open state, the mode conversion switch SA is rotated to the local position, the contact SA-1 is closed, and the drive module MCU receives the local operation mode signal; the second exit demand instruction is generated by operating the display and control screen 1, and the measurement and control terminal sends the second exit control instruction to the drive module MCU according to the second exit demand instruction sent by the display and control screen 1; the drive module MCU controls the drive motor M2 to work according to the second exit control instruction and the local operation mode signal, and drives the propulsion mechanism 37 to move through the motion mechanism, so that the circuit breaker trolley and the propulsion mechanism 37 move from the working position to the test position;

[0075] When the third baffle 26 triggers the travel switch SQ3 to operate and the fourth baffle 29 triggers the travel switch S12 to operate, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 have reached the test position according to the action signals of the contacts S12-2 and SQ3-2, and sends a stop exit instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop exit instruction, so that the circuit breaker trolley and the propulsion mechanism 37 are in the test position.

[0076] In another specific implementation of the present invention, the propulsion control command and the exit control command in the local operation mode can also be generated by a knob SB2, the knob SB2 is connected to the drive module MCU, and the knob SB2 is arranged on the operation panel of the circuit breaker trolley. Under the condition that the circuit breaker trolley and the propulsion mechanism 37 are in the test position and the circuit breaker operating mechanism 12 is in the open state, the mode conversion switch SA is rotated to the local position, the contact SA-1 is closed, and the driving module MCU receives the local operation mode signal; the knob SB2 is turned to the propulsion position to close the first contact and the second contact of the knob SB2, and the closing signal (i.e., the third propulsion control instruction) is input through the fifteenth and sixteenth terminals of the driving module MCU. The driving module MCU controls the driving motor M2 to work according to the third propulsion control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism 37 move from the test position to the working position; the knob SB2 is turned to the exit position to close the third contact and the fourth contact of the knob SB2, and the closing signal (i.e., the third exit control instruction) is input through the thirteenth and fourteenth terminals of the driving module MCU. The driving module MCU controls the driving motor M2 to work according to the third exit control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism 37 move from the working position to the test position.

[0077] When the seventh contact of the auxiliary switch FK is closed and the eighth contact is disconnected, it indicates that the circuit breaker operating mechanism 12 is in an open state, and the measurement and control terminal obtains the open state of the circuit breaker operating mechanism 12; when the seventh contact of the auxiliary switch FK is disconnected and the eighth contact is closed, it indicates that the circuit breaker operating mechanism 12 is in a closed state, and the measurement and control terminal obtains the closed state of the circuit breaker operating mechanism 12. In another embodiment of the present invention, other methods can also be used to obtain the open and closed states of the circuit breaker operating mechanism 12, and then send them to the measurement and control terminal through the host computer or the display and control screen 1.

[0078] The knob SB1 is used to generate the opening and closing control instructions in the local operation mode, and the opening and closing control instructions are used for the opening and closing control of the operating mechanism in the local operation mode.

[0079] In order to avoid being unable to operate the circuit breaker trolley when there is no power supply, the control system of the present invention also has a manual operation mode. Specifically, the trolley driving circuit also includes a travel switch SQ1, a fifth baffle 23, an operating hole 8 and a first handle, and the operating hole 8 is arranged on the operating panel of the circuit breaker trolley; the contact SQ1-1 of the travel switch SQ1 is connected in parallel to both ends of the contact TQ1-1, the contact SQ1-2 of the travel switch SQ1 is connected in series with the branch corresponding to the contact TQ1-2, and the contact SQ1-4 of the travel switch SQ1 is connected in series with the branch corresponding to the contact TQ1-4 and the drive motor M2; the fifth baffle 23 is arranged on the upper part of the bottom plate of the circuit breaker trolley, and when the first handle is inserted into the operating hole 8, the fifth baffle 23 is moved, and the travel switch SQ1 is triggered by the fifth baffle 23, the contact SQ1-1 is closed, and the contacts SQ1-2 and SQ1-4 are disconnected; the first handle is connected to the motion mechanism through the operating hole 8, and the motion mechanism is driven to move by operating the first handle, thereby driving the propulsion mechanism 37 to move, thereby realizing the manual operation of advancing or withdrawing the circuit breaker trolley.

[0080] like Figure 6 As shown, the electrical interlocking of the circuit breaker trolley during manual advancement or withdrawal operation is realized by the travel switch SQ1 and the fifth baffle 23. When the first handle is inserted into the operating hole 8, the fifth baffle 23 is moved, and the fifth baffle 23 triggers the travel switch SQ1 to operate, the contact SQ1-1 is closed, and the contacts SQ1-2 and SQ1-4 are disconnected.

[0081] If the circuit breaker operating mechanism 12 is in the open state, the closing control circuit is locked by disconnecting the contact SQ1-2 to prevent the circuit breaker from closing accidentally during manual operation, and the drive motor M2 is locked by disconnecting the contact SQ1-4, so that the manual operation has priority response; if the circuit breaker operating mechanism 12 is in the closed state, the third contact of the auxiliary switch FK is closed, and the opening control circuit is closed and turned on by the contact SQ1-1. Before the circuit breaker trolley moves, the circuit breaker is interlocked to open to prevent the trolley from being operated accidentally in the closed state. At the same time, the closing control circuit is locked by disconnecting the contact SQ1-2 to prevent the circuit breaker from closing accidentally during manual operation, and the drive motor M2 is locked by disconnecting the contact SQ1-4, so that the manual operation has priority response.

[0082] The present invention has a manual priority operation locking function, that is, the electric control circuit is locked during manual operation; the present invention has a manual operation interlocking function, that is, during manual operation, the interlocked circuit breaker operating mechanism can only be in the open state, the locked circuit breaker operating mechanism cannot be closed, and the propulsion mechanism cannot be electrically operated.

[0083] In a specific embodiment of the present invention, Figure 2 As shown, the motion mechanism includes a first screw 38, a turbine 36 and a second screw 33; the first end of the first screw 38 is connected to the drive motor M2, the second end of the first screw 38 and the first end of the second screw 33 are respectively engaged with the turbine 36, and the second end of the second screw 33 is connected to the first handle.

[0084] In the remote operation mode or the local operation mode, the first lead screw 38 is driven to move by the driving motor M2, and the first lead screw 38 drives the propulsion mechanism 37 to move; in the manual operation mode, the first handle is connected to the second lead screw 33 through the operating hole 8, and the first handle is rotated (clockwise or counterclockwise) to rotate the second lead screw 33 accordingly, and the second lead screw 33 drives the first lead screw 38 to rotate accordingly through the turbine 36, thereby realizing the movement (advancement or withdrawal) of the propulsion mechanism 37.

[0085] like Figure 4 As shown, during the electric advancement or withdrawal process of the propulsion mechanism 37, if a fault occurs, the eleventh and twelfth terminals of the drive module MCU can be connected to the contacts T27 and T37 of the connector T, and a fault alarm signal can be sent out through the contacts T27 and T37 of the connector T to prompt the operator to pay attention and conduct timely maintenance; at the same time, a reset instruction can be sent to it through the contacts T28 and T38 of the connector T via the ninth and tenth terminals of the drive module MCU, and the reset button of the drive module MCU body can also be used to reset it on the spot, so that the circuit breaker trolley returns to the test position or remains in the fault position to avoid the expansion of the fault.

[0086] In a specific embodiment of the present invention, the control system also includes a first visual sensor 17, a second visual sensor 18 and a current sensor LT connected to the measurement and control terminal; the first visual sensor 17 is used to monitor the motion state of the motion mechanism, and the second visual sensor 18 is used to monitor the position state of the moving contact 43 of the circuit breaker trolley; the current sensor LT is used to monitor the operating current of the drive motor M2; the display control screen 1 and the host computer are also used to display the motion state of the motion mechanism, the position state of the moving contact 43 of the circuit breaker trolley and the operating state of the drive motor M2 in real time.

[0087] In this embodiment, both the first visual sensor 17 and the second visual sensor 18 are cameras. By monitoring the motion state of the motion mechanism, the position state of the moving contact 43 of the circuit breaker trolley and the operating state of the drive motor M2, a basis for fault analysis can be provided. Video monitoring provides real-time feedback on the position state of the circuit breaker trolley and the propulsion mechanism, and can also be linked when the propulsion mechanism moves, monitor the motion of the propulsion mechanism in real time, and grasp the execution state of the operation action in time. In case of abnormal state, the fault can be discovered in time, and the relevant process image data can be recorded at the same time to facilitate fault analysis.

[0088] In a specific embodiment of the present invention, Fig. 9 As shown, the power module includes a capacitor group C, a diode D1, a diode D2, a resistor R and a relay KT2; the diode D2, the resistor R and the contact KT2-1 of the relay KT2 are connected in sequence to form a series branch, the diode D1 is connected in parallel to both ends of the series branch, the positive electrode of the diode D2 and the coil of the relay KT2 are respectively connected to the contact T10 of the connector T, the positive electrode of the capacitor group C is connected to the resistor R and the contact KT2-1 of the relay KT2, the negative electrode of the capacitor group C is connected to the coil of the relay KT2, the contact T20 of the connector T and the trolley drive circuit, and the contact KT2-1 of the relay KT2 is connected to the trolley drive circuit.

[0089] When the external power supply is connected through contacts T10 and T20, the driving power is provided to the trolley driving circuit through diode D1, and the capacitor group C is charged and stored through diode D2 and resistor R; when the external power supply loses power unexpectedly, the coil of relay KT2 loses power, and the contact KT2-1 of relay KT2 resets and closes, and the trolley driving circuit automatically switches to the backup power supply provided by capacitor group C, which effectively solves the emergency operation needs in emergency situations.

[0090] In a specific embodiment of the present invention, a limiting column 39 is further provided on the L-shaped frame 40, and the limiting column 39 is used to limit the position of the propulsion mechanism 37 at the working position.

[0091] The control system of the present invention realizes double confirmation that the circuit breaker trolley and the propulsion mechanism are in the test position through the contact SQ3-2 between the third baffle and the travel switch SQ3, and the contact S12-2 between the fourth baffle and the travel switch S12, and realizes double confirmation that the circuit breaker trolley and the propulsion mechanism are in the working position through the contact SQ2-2 between the first baffle and the travel switch SQ2, and the contact S11-2 between the second baffle and the travel switch S11, which effectively improves the reliability of remote operation and local operation, and better promotes the technological progress of railway circuit breaker products and the intelligent development of electrified railways;

[0092] The propulsion mechanism can be remotely controlled through the measurement and control terminal, and local and remote operation modes can be switched, which greatly improves the convenience and flexibility of power management and effectively reduces the manpower operation and maintenance costs, thereby reducing the operational intensity of operation and maintenance management and improving work efficiency; the measurement and control terminal communicates with the host computer to realize remote control, status information transmission, and reception of real-time alarms.

[0093] The present invention is suitable for multiple types of circuit breaker operating mechanisms and multi-mode control interfaces, expands the scope of application and improves versatility; it is provided with control interlock, manual operation interlock and anti-misconnection interlock, and has circuit breaker trolley drive fault alarm and reset functions, reduces human error operation and improves safety.

[0094] The control method of the railway circuit breaker in-and-out vehicle control system in the embodiment of the present invention includes remote operation control (i.e. remote operation mode), local operation control (i.e. local operation mode) and manual operation control (i.e. manual operation mode). Among them, the remote operation control specifically includes:

[0095] The operator pushes the circuit breaker trolley along the second track 31, and locks the circuit breaker trolley and the pushing mechanism 37 in the test position through the lock hook 16 and the second lock column 27, the first lock column 21 and the lock hole 30; after the connector T is docked, the third baffle 26 triggers the travel switch SQ3 to act, and the fourth baffle 29 triggers the travel switch S12 to act, and the display control screen 1 and the host computer display that the circuit breaker trolley and the pushing mechanism 37 are both in the test position;

[0096] Under the condition that the circuit breaker operating mechanism 12 is in the open state and the circuit breaker trolley and the propulsion mechanism 37 are in the test position, the mode conversion switch SA is rotated to the remote position, the contact SA-1 is disconnected, and the drive module MCU receives the remote operation mode signal; when the measurement and control terminal receives the first propulsion demand instruction issued by the host computer, it sends the first propulsion control instruction to the drive module MCU;

[0097] The driving module MCU controls the driving motor M2 to work according to the first propulsion control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism 37 move from the test position to the working position;

[0098] When the first baffle 25 triggers the travel switch SQ2 to act and the second baffle 34 triggers the travel switch S11 to act, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 have reached the working position according to the action signals of the contacts S11-2 and SQ2-2, and sends a stop propulsion instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop propulsion instruction.

[0099] Under the condition that the circuit breaker trolley and the propulsion mechanism 37 are in the working position and the circuit breaker operating mechanism 12 is in the open state, when the measurement and control terminal receives the first exit demand instruction issued by the host computer, it sends the first exit control instruction to the drive module MCU, and the drive module MCU controls the drive motor M2 to work according to the first exit control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism 37 move from the working position to the test position;

[0100] When the third baffle 26 triggers the travel switch SQ3 to operate and the fourth baffle 29 triggers the travel switch S12 to operate, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 have reached the test position according to the action signals of the contacts S12-2 and SQ3-2, and sends a stop exit instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop exit instruction.

[0101] Before remote control, the operator first pushes the circuit breaker trolley to the second track 31, and continues to push it along the second track 31 until the first lock column 21 falls into the lock hole 30, so that the advancement of the circuit breaker trolley is blocked, and then the second handle 4 is turned to lock the lock hook 16 on the second lock column 25, so that the circuit breaker trolley and the propulsion mechanism 37 are mutually locked in the test position; after the connector T is docked, the third baffle 26 triggers the travel switch SQ3 to act and the fourth baffle 29 triggers the travel switch S12 to act, and the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 are both in the test position, and displays on the display and control screen 1 and the host computer that the circuit breaker trolley and the propulsion mechanism 37 are both in the test position.

[0102] Among them, local operation control specifically includes:

[0103] The operator pushes the circuit breaker trolley to the second track 31, and continues to push it along the second track 31 until the first lock column 21 falls into the lock hole 30, so that the advancement of the circuit breaker trolley is blocked, and then the second handle 4 is turned to lock the lock hook 16 on the second lock column 25, so that the circuit breaker trolley and the propulsion mechanism 37 are mutually locked in the test position; after the connector T is docked, the third baffle 26 triggers the travel switch SQ3 to act and the fourth baffle 29 triggers the travel switch S12 to act, and the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 are both in the test position, and displays the circuit breaker trolley and the propulsion mechanism 37 in the test position on the display and control screen 1 and the host computer;

[0104] Under the condition that the circuit breaker operating mechanism 12 is in the open state and the circuit breaker trolley and the propulsion mechanism 37 are in the test position, the mode conversion switch SA is rotated to the local position, the contact SA-1 is closed, and the drive module MCU receives the local operation mode signal; the second propulsion demand instruction is generated by operating the display control screen 1, and the measurement and control terminal sends the second propulsion control instruction to the drive module MCU according to the second propulsion demand instruction sent by the display control screen 1;

[0105] The driving module MCU controls the driving motor M2 to work according to the second propulsion control instruction and the local operation mode signal, and drives the propulsion mechanism 37 to move through the motion mechanism, so that the circuit breaker trolley and the propulsion mechanism 37 move from the test position to the working position;

[0106] When the first baffle 25 triggers the travel switch SQ2 to act and the second baffle 34 triggers the travel switch S11 to act, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 have reached the working position according to the action signals of the contacts S11-2 and SQ2-2, and sends a stop propulsion instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop propulsion instruction, so that the circuit breaker trolley and the propulsion mechanism 37 are in the working position;

[0107] Under the condition that the circuit breaker trolley and the propulsion mechanism 37 are in the working position and the circuit breaker operating mechanism 12 is in the open state, when the measurement and control terminal receives the second exit demand instruction issued by the display and control screen 1, it sends the second exit control instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to work according to the second exit control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism 37 move from the working position to the test position;

[0108] When the third baffle 26 triggers the travel switch SQ3 to operate and the fourth baffle 29 triggers the travel switch S12 to operate, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism 37 have reached the test position according to the action signals of the contacts S12-2 and SQ3-2, and sends a stop exit instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop exit instruction.

[0109] Among them, manual operation control specifically includes:

[0110] The operator pushes the circuit breaker trolley to the second track 31 and continues to push it along the second track 31 until the first lock column 21 falls into the lock hole 30, so that the advancement of the circuit breaker trolley is blocked, and then the second handle 4 is turned to lock the lock hook 16 on the second lock column 25, so that the circuit breaker trolley and the pushing mechanism 37 are mutually locked in the test position;

[0111] Determine the opening and closing status of the operating mechanism according to the opening and closing indicator 1a of the operating mechanism, determine whether the circuit breaker trolley is in the working position according to the working position indicator 2a, and determine whether the circuit breaker trolley is in the test position according to the test position indicator 3a;

[0112] Under the condition that the circuit breaker operating mechanism 12 is in the open state and the circuit breaker trolley and the propulsion mechanism 37 are in the test position, the first handle is inserted into the operating hole 8, the fifth baffle 23 is moved, and the travel switch SQ1 is triggered by the fifth baffle 23, and the opening control circuit is turned on by closing the contact SQ1-1, and the closing control circuit is locked by the contact SQ1-2, and the drive motor M2 is locked by disconnecting the contact SQ1-4; the first handle is rotated clockwise, and the first screw 38 is driven to move through the second screw 33 and the turbine 36, and the propulsion mechanism 37 is driven to advance, so that the circuit breaker trolley and the propulsion mechanism 37 move from the test position to the working position to achieve advancement; the first handle is rotated counterclockwise, and the first screw 38 is driven to move through the second screw 33 and the turbine 36, and the propulsion mechanism 37 is driven to withdraw, so that the circuit breaker trolley and the propulsion mechanism 37 move from the working position to the test position to achieve withdrawal.

[0113] During manual operation, the working position indicator 2a and the test position indicator 3a provided on the first track 32 are used to manually determine whether the circuit breaker trolley and the propulsion mechanism 37 are in the working position or the test position.

[0114] What is disclosed above is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or modifications within the technical scope disclosed in the present invention, which should be covered within the protection scope of the present invention.

Claims

1. A railway circuit breaker in and out vehicle control system, characterized in that: The control system comprises an L-shaped frame provided with a first track and a static contact, a propulsion mechanism provided with a second track, a trolley drive circuit, a measurement and control terminal, a display and control screen, and a host computer; the propulsion mechanism is slidably arranged on the first track, and the second track is used for pushing the circuit breaker trolley on the propulsion mechanism; the display and control screen is arranged on the operation panel of the circuit breaker trolley; The trolley driving circuit includes a driving module MCU, a driving motor M2, an auxiliary switch FK, a mode conversion switch SA, a first position confirmation mechanism, a second position confirmation mechanism and a travel switch TQ1; the third end of the driving module MCU is connected to the fourth end of the driving module MCU through the contact TQ1-4 of the travel switch TQ1 and the driving motor M2; the seventh end of the driving module MCU is connected to the eighth end of the driving module MCU through the contact SA-1 of the mode conversion switch SA; one end of the first contact of the auxiliary switch FK is connected to the eighth end of the driving module MCU through the contact SA-1 of the mode conversion switch SA; The contact SA-4 of the switch SA is connected to the contact T4 of the connector T, and the other end of the first contact of the auxiliary switch FK is connected to the closing control circuit of the operating mechanism through the contact TQ1-2 of the travel switch TQ1; one end of the third contact of the auxiliary switch FK is connected to the contact T30 of the connector T through the contact SA-5 of the mode conversion switch SA, and one end of the third contact of the auxiliary switch FK is also connected to the opening control circuit of the operating mechanism through the contact TQ1-1 of the travel switch TQ1; the seventh contact and the eighth contact of the auxiliary switch FK are respectively connected to the measurement and control terminal; The driving motor M2 is arranged on the L-shaped frame and connected to the propulsion mechanism through a motion mechanism; the travel switch TQ1 is arranged on the upper part of the bottom plate of the circuit breaker trolley and connected to the pedal of the circuit breaker trolley; the first position confirmation mechanism is used to confirm whether the circuit breaker trolley and the propulsion mechanism are in the working position; the second position confirmation mechanism is used to confirm whether the circuit breaker trolley and the propulsion mechanism are in the test position; The mode conversion switch SA is used to generate a remote operation mode signal or a local operation mode signal; the host computer is used to generate a first propulsion demand instruction and a first exit demand instruction in the remote operation mode, and send them to the measurement and control terminal; The measurement and control terminal is used to judge whether the circuit breaker trolley and the propulsion mechanism are in the test position or the working position according to the feedback signals of the first position confirmation mechanism and the second position confirmation mechanism, and feed back to the display and control screen and the host computer; judge whether the operating mechanism is in the open state or the closed state according to the state of the auxiliary switch FK, and feed back to the display and control screen and the host computer; under the condition that the circuit breaker trolley and the propulsion mechanism are in the test position and the operating mechanism is in the open state, send the first propulsion control instruction to the drive module MCU according to the first propulsion demand instruction; under the condition that the circuit breaker trolley and the propulsion mechanism are in the working position and the operating mechanism is in the open state, send the first exit control instruction to the drive module MCU according to the first exit demand instruction; when the circuit breaker trolley and the propulsion mechanism reach the working position, send a stop propulsion instruction to the drive module MCU, and when the circuit breaker trolley and the propulsion mechanism reach the test position, send a stop exit instruction to the drive module MCU; The drive module MCU is used to control the drive motor M2 to work according to the first propulsion control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the test position to the working position; control the drive motor M2 to work according to the first exit control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the working position to the test position; and control the drive motor M2 to stop according to the stop propulsion instruction or the stop exit instruction.

2. The railway circuit breaker in-and-out vehicle control system according to claim 1, characterized in that: The first position confirmation mechanism includes a travel switch SQ2, a travel switch S11, a first baffle and a second baffle; the travel switch SQ2 is arranged at the bottom of the circuit breaker trolley, the first baffle is arranged at the bottom surface of the L-shaped frame, and when the first baffle contacts the travel switch SQ2, the circuit breaker trolley is in a working position; the travel switch S11 is arranged on a first track, the second baffle is arranged on a propulsion mechanism, and when the second baffle contacts the travel switch S11, the propulsion mechanism is in a working position; the third end of the measurement and control terminal is connected to the fourth end of the measurement and control terminal through the contact S11-2 of the travel switch S11 and the contact SQ2-2 of the travel switch SQ2; The second position confirmation mechanism includes a travel switch SQ3, a travel switch S12, a third baffle and a fourth baffle; the travel switch SQ3 is arranged at the bottom of the circuit breaker trolley, the third baffle is arranged at the bottom surface of the L-shaped frame, and when the third baffle is in contact with the travel switch SQ3, the circuit breaker trolley is in the test position; the travel switch S12 is arranged on the first track, the fourth baffle is arranged on the propulsion mechanism, and when the fourth baffle is in contact with the travel switch S12, the propulsion mechanism is in the test position; the fifth end of the measurement and control terminal is connected to the sixth end of the measurement and control terminal through the contact S12-2 of the travel switch S12 and the contact SQ3-2 of the travel switch SQ3.

3. The railway circuit breaker in-and-out vehicle control system according to claim 2, characterized in that: The contact SQ2-1 of the travel switch SQ2 is connected in series with the contact S11-1 of the travel switch S11 and then connected to the connector T; the contact SQ3-1 of the travel switch SQ3 is connected in series with the contact S12-1 of the travel switch S12 and then connected to the connector T; the drive module MCU is also connected to the connector T.

4. The railway circuit breaker in-and-out vehicle control system according to claim 1, characterized in that: The display and control screen is also used to generate a second push demand instruction and a second exit demand instruction in the local operation mode, and send them to the measurement and control terminal; the measurement and control terminal is also used to issue a second push control instruction to the drive module MCU according to the second push demand instruction under the condition that the circuit breaker trolley and the propulsion mechanism are in the test position and the operating mechanism is in the open state; and issue a second exit control instruction to the drive module MCU according to the second exit demand instruction under the condition that the circuit breaker trolley and the propulsion mechanism are in the working position and the operating mechanism is in the open state; The drive module MCU is used to control the drive motor M2 to work according to the second propulsion control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the test position to the working position; and control the drive motor M2 to work according to the second exit control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the working position to the test position.

5. The railway circuit breaker in-and-out vehicle control system according to claim 1, characterized in that: The trolley driving circuit further includes a knob SB2, and the knob SB2 is connected to the driving module MCU; The knob SB2 is used to generate a third propulsion control instruction or a third exit control instruction, and the drive module MCU is used to control the drive motor M2 to work according to the third propulsion control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the test position to the working position; and control the drive motor M2 to work according to the third exit control instruction and the local operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the working position to the test position.

6. The railway circuit breaker in-and-out vehicle control system according to claim 1, characterized in that: The trolley driving circuit also includes a travel switch SQ1, a fifth baffle, an operating hole and a first handle, wherein the operating hole is arranged on the operating panel of the circuit breaker trolley; the contact SQ1-1 of the travel switch SQ1 is connected in parallel to both ends of the contact TQ1-1, the contact SQ1-2 of the travel switch SQ1 is connected in series to the branch corresponding to the contact TQ1-2, and the contact SQ1-4 of the travel switch SQ1 is connected in series to the branch corresponding to the contact TQ1-4 and the driving motor M2; The fifth baffle is arranged on the upper part of the bottom plate of the circuit breaker trolley, and when the first handle is inserted into the operating hole, the fifth baffle is toggled, and the travel switch SQ1 is triggered through the fifth baffle, the contact SQ1-1 is closed, and the contacts SQ1-2 and SQ1-4 are disconnected; the first handle is connected to the motion mechanism through the operating hole, and the motion mechanism is driven to move by operating the first handle, thereby driving the propulsion mechanism to move, thereby realizing the manual operation of advancing or withdrawing the circuit breaker trolley.

7. The railway circuit breaker in-and-out vehicle control system according to claim 1, characterized in that: The pedal of the circuit breaker trolley is connected to the first lock column, an elastic member is arranged on the outer shell of the first lock column, one end of the elastic member abuts against the bottom of the circuit breaker trolley, and the other end of the elastic member is fixed to the first lock column; a lock hole is arranged on the propulsion mechanism, and the first lock column cooperates with the lock hole to realize mutual locking between the circuit breaker trolley and the propulsion mechanism; The second handle of the circuit breaker trolley is also connected to a lock hook. A second lock column is provided on the propulsion mechanism. The lock hook cooperates with the second lock column to realize mutual locking of the circuit breaker trolley and the propulsion mechanism.

8. The railway circuit breaker in-and-out vehicle control system according to claim 1, characterized in that: The control system further includes a first visual sensor, a second visual sensor and a current sensor LT connected to the measurement and control terminal; the first visual sensor is used to monitor the motion state of the motion mechanism, the second visual sensor is used to monitor the position state of the moving contact of the circuit breaker trolley; the current sensor LT is used to monitor the operating current of the drive motor M2; The display control screen and the host computer are also used to display the motion state of the motion mechanism, the position state of the moving contact of the circuit breaker trolley and the operating state of the drive motor M2 in real time.

9. The railway circuit breaker in-and-out vehicle control system according to any one of claims 1 to 8, characterized in that: The control system also includes a power module, which is used to provide electric energy to the display and control screen, the measurement and control terminal and the trolley drive circuit; the power module includes a capacitor group C, a diode D1, a diode D2, a resistor R and a relay KT2; the diode D2, the resistor R and the contact KT2-1 of the relay KT2 are connected in sequence to form a series branch, the diode D1 is connected in parallel to both ends of the series branch, the positive electrode of the diode D2 and the coil of the relay KT2 are respectively connected to the contact T10 of the connector T, the positive electrode of the capacitor group C is connected to the resistor R and the contact KT2-1 of the relay KT2, the negative electrode of the capacitor group C is connected to the coil of the relay KT2, the contact T20 of the connector T and the trolley drive circuit, and the contact KT2-1 of the relay KT2 is connected to the trolley drive circuit.

10. A control method for a railway circuit breaker in-and-out vehicle control system as claimed in any one of claims 1 to 9, characterized in that: The control method includes remote operation control; wherein the remote operation control includes: The operator pushes the circuit breaker trolley along the second track and locks the circuit breaker trolley and the pushing mechanism together in the test position; after the connector T is docked, the second position confirmation mechanism is triggered to generate a feedback signal, and the display and control screen and the host computer display that the circuit breaker trolley and the pushing mechanism are both in the test position; Under the condition that the operating mechanism is in the open state and the circuit breaker trolley and the propulsion mechanism are in the test position, the mode conversion switch SA is rotated to the remote position, the contact SA-1 is disconnected, and the drive module MCU receives the remote operation mode signal; when the measurement and control terminal receives the first propulsion demand instruction issued by the host computer, it sends the first propulsion control instruction to the drive module MCU; The drive module MCU controls the drive motor M2 to work according to the first propulsion control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the test position to the working position; When the first position confirmation mechanism generates a feedback signal, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism have reached the working position according to the feedback signal of the first position confirmation mechanism, and sends a stop propulsion instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop propulsion instruction; Under the condition that the circuit breaker trolley and the propulsion mechanism are in the working position and the operating mechanism is in the open state, when the measurement and control terminal receives the first exit demand instruction issued by the upper computer, it sends the first exit control instruction to the drive module MCU, and the drive module MCU controls the drive motor M2 to work according to the first exit control instruction and the remote operation mode signal, so that the circuit breaker trolley and the propulsion mechanism move from the working position to the test position; When the second position confirmation mechanism generates a feedback signal, the measurement and control terminal determines that the circuit breaker trolley and the propulsion mechanism have reached the test position according to the feedback signal of the second position confirmation mechanism, and sends a stop exit instruction to the drive module MCU. The drive module MCU controls the drive motor M2 to stop according to the stop exit instruction.

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