CN114360971A - Train circuit breaker with semiconductor chip and control method thereof - Google Patents
Train circuit breaker with semiconductor chip and control method thereof Download PDFInfo
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- CN114360971A CN114360971A CN202210046685.8A CN202210046685A CN114360971A CN 114360971 A CN114360971 A CN 114360971A CN 202210046685 A CN202210046685 A CN 202210046685A CN 114360971 A CN114360971 A CN 114360971A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000007935 neutral effect Effects 0.000 claims description 12
- 238000005191 phase separation Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/044—Monitoring, detection or measuring systems to establish the end of life of the switching device, can also contain other on-line monitoring systems, e.g. for detecting mechanical failures
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Abstract
The invention discloses a train circuit breaker with a semiconductor chip and a control method thereof, wherein the circuit breaker comprises a circuit breaker body, a compact control module is installed on the circuit breaker body, and the compact control module comprises: the sampling unit is connected with a voltage sensor and a current sensor in the high-voltage box body and used for outputting rated signals when voltage and current detection values meet rated conditions; the rated conditions comprise a low-voltage closing holding threshold value and a current overload triggering threshold value; the controller is connected to the output end of the sampling unit, is used for responding to the rated signal and is used for managing the closing holding time sequence of the circuit breaker body; and the switching-on/switching-off maintaining execution unit is connected to the controller and is used for driving the breaker body to keep switching on or switching off when the voltage and current detection values meet rated conditions. This application has the effect of the applied convenience that improves the circuit breaker.
Description
Technical Field
The application relates to the technical field of train electrical safety protection, in particular to a train circuit breaker with a semiconductor chip and a control method thereof.
Background
For rail vehicles, as for direct current vehicles, it is necessary to ensure that a high voltage direct current circuit of the direct current vehicle is not affected by overcurrent, short circuit, surge current and unsafe catenary voltage, and to protect the personal safety of maintenance technicians.
Referring to fig. 1, in order to achieve the above object, a contactor, a voltage sensor, a ground switch, a lightning arrester, a dc breaker, a current sensor, and the like are correspondingly integrated in a high voltage integrated system of a train. In order to realize plug and play, the above devices are integrated in a high-voltage box body.
For the circuit breaker in the above, the inventors consider that: the whole mechanical structure needs more hardware to be matched to manage the closing-maintaining time sequence and operate, the operation occupies more space, and the power consumption cost is relatively higher, so that a new technical scheme is provided.
Disclosure of Invention
In order to improve the application convenience of the circuit breaker and reduce the power consumption cost, the application provides a train circuit breaker with a semiconductor chip and a control method thereof.
In a first aspect, the application provides a train circuit breaker with a semiconductor chip, which adopts the following technical scheme:
a train circuit breaker with semiconductor chips, includes the body that opens circuit, install compact control module on the circuit breaker body, compact control module includes:
the sampling unit is connected with a voltage sensor and a current sensor in the high-voltage box body and used for outputting rated signals when voltage and current detection values meet rated conditions; the rated conditions comprise a low-voltage closing holding threshold value and a current overload triggering threshold value;
the controller is connected to the output end of the sampling unit, is used for responding to the rated signal and is used for managing the closing holding time sequence of the circuit breaker body;
and the switching-on/switching-off maintaining execution unit is connected to the controller and is used for driving the breaker body to keep switching on or switching off when the voltage and current detection values meet rated conditions.
Optionally, the sampling unit includes: a voltage comparator A1, a current comparator A2, and an OR gate;
the voltage sensor is connected to the input side of the voltage comparator A1, the reference voltage of the voltage comparator A1 is a low-voltage closing holding threshold value in a rated condition, and the output side of the voltage comparator A1 is connected to an OR gate and a controller;
the input side of a current comparator A2 is connected with a sampling resistor which is connected in series with a current sensor, the reference voltage of the current comparator A2 is a current overload trigger threshold value in a rated condition, and the output side of the current comparator A2 is connected with an OR gate circuit and a controller;
the output side of the OR gate circuit is connected to the controller.
Optionally, the sampling resistor includes an adjustable resistor Rp and a fixed resistor R1 connected in series with each other; the fixed resistor R1 is connected to the current sensor, and the connection point of the adjustable resistor Rp and the resistor R1 is connected to the input side of the current comparator A2.
Optionally, the controller includes a single chip microcomputer/ARM, the controller is connected with a communication unit, and it is further configured to: for executing a preset alarm process according to the output signal of the or gate circuit.
Optionally, the switching on/off brake keeping execution unit includes:
a triode Q1, the base of which is connected with the controller;
a holding resistor Rb connected to an emitter of the transistor Q1 and to a closing coil of the circuit breaker body;
the transistor Q2 has a base connected to the controller and an emitter connected to the closing coil of the breaker body.
Optionally, the controller is configured to: the transistor Q1 is controlled to be conducted according to the output of the OR gate circuit and the output of the voltage comparator A1; and, the output of the or gate circuit and the output of the current comparator a2 are used to control whether the transistor Q2 is conductive.
Optionally, the power supply device further includes a power supply unit, where the power supply unit includes: the device comprises an electricity storage group and an adaptive floating charge circuit; the floating charging circuit is connected to a load terminal of the circuit breaker body, the output side of the floating charging circuit is connected to the storage battery pack, and the discharge side of the storage battery pack is connected to the controller and the triode Q1.
Optionally, the controller is further connected to a neutral-section passing safety module, and the neutral-section passing safety module includes: the device comprises a passing phase splitting logic unit and a train position acquisition unit, wherein the phase splitting logic unit is connected with a controller and the train position acquisition unit and is used for executing safety and brake splitting logic based on whether a train pantograph is timely disconnected or not when the train passes the phase splitting.
Optionally, the train position obtaining unit includes a transmission group for connecting the train control unit to obtain train position information and/or an RSU module for interacting with a preset OBU module at a track side.
In a second aspect, the present application provides a method for controlling a train circuit breaker with a semiconductor chip, which adopts the following technical scheme:
a control method of train circuit breaker with semiconductor chip includes alarming, low voltage keeping and overload separating brake;
the alerting comprises configuring the controller to: receiving a high level signal of an OR gate circuit when the voltage and/or the current meet rated conditions, and sending a preset alarm signal to a designated terminal through a communication unit;
the low pressure maintenance includes configuring the controller to: receiving a high level output by the voltage comparator A1 and a high level output by an OR gate circuit when the voltage meets a rated condition, controlling the conduction of the triode Q1 and the non-conduction of the triode Q2;
the overload trip comprises configuring a controller to: receiving a high level output by a current comparator A2 and a high level output by a gate circuit when the current meets a rated condition, and controlling the non-conduction of a triode Q2;
the passing neutral section safety and opening comprises configuring a passing neutral section logic unit to: receiving position data fed back by a train position acquisition unit, calculating estimated time for passing through neutral section based on the position data and real-time speed data of the train, timing until the estimated time and a safety allowable time threshold accumulated value are obtained, and outputting a high level to a controller;
the over-phase safety and opening further comprises configuring the controller to: after receiving the high level of the passing phase logic unit, the feedback signals of the voltage comparator A1 and the current comparator A2 are judged whether to be opposite, the feedback of the voltage comparator A1 is low level, and if yes, the triodes Q1 and Q2 are controlled to be non-conductive.
In summary, the present application includes at least one of the following beneficial technical effects: on one hand, the circuit breaker can be allowed to keep a closing state continuously at low voltage, and more use requirements are met; on the other hand, the breaker can be opened in time when the current is overloaded, and the overload opening condition is easier to configure relative to the conventional overload thermal deformation triggering mechanism, and even the original mechanical structure can be replaced, or the hidden trouble caused by welding faults of the original mechanical structure can be compensated.
Drawings
Fig. 1 is a partial circuit structure of a train high-voltage integrated system according to the present application;
fig. 2 is a circuit schematic of a compact control module of the circuit breaker of the present application.
Description of reference numerals: 1. a sampling unit; 2. the switching on/off brake keeps the execution unit.
Detailed Description
The present application is described in further detail below with reference to fig. 2.
The embodiment of the application discloses a train circuit breaker with a semiconductor chip.
Example 1:
referring to fig. 2, the train circuit breaker with a semiconductor chip includes: the circuit breaker comprises a circuit breaker body and a compact control module arranged on the circuit breaker body, wherein the circuit breaker body is an original mechanical structure part of the circuit breaker, and therefore the detailed description is omitted; it can be understood that the circuit breaker main body in the present embodiment includes at least a trip mechanism, and is an electromagnetic system to ensure the implementation basis of a compact control module. The main body of the compact control module is integrated in a small box body fixed on the outer wall of the circuit breaker to realize installation. The compact control module includes:
the sampling unit 1 is connected with a voltage sensor and a current sensor in a high-voltage box body and used for outputting rated signals when voltage and current detection values meet rated conditions; the rated conditions comprise a low-voltage closing holding threshold value and a current overload triggering threshold value;
a controller including a single chip microcomputer/ARM as a core; the circuit breaker comprises a sampling unit, a switching-on holding timing sequence management unit and a switching-on holding timing sequence management unit, wherein the sampling unit is connected with the output end of the sampling unit and used for responding to a rated signal and managing the switching-on holding timing sequence of a circuit breaker body;
and the switching-on/switching-off maintaining execution unit 2 is connected to the controller and is used for driving the breaker body to keep switching on or switching off when the voltage and current detection values meet rated conditions.
According to the content, on one hand, the closing state of the circuit breaker can be allowed to be kept continuously under the condition of low voltage, and more use requirements are met; on the other hand, the breaker can be opened in time when the current is overloaded, and the overload opening condition is easier to configure compared with the traditional overload thermal deformation triggering mechanism, and even the original mechanical structure can be replaced.
As for the sampling unit 1, it includes: a voltage comparator a1, a current comparator a2, and an or gate.
Regarding the voltage comparator A1, the reverse input end of the voltage comparator A1 is connected with a voltage sensor in a high-voltage box of the train, the non-inverting input end of the voltage comparator A1 is connected with a reference voltage Vref, and the reference voltage is a low-voltage closing holding threshold value in a rated condition, namely a feedback value of the voltage sensor when a worker determines that one path of the breaker is low-voltage; one output end of the output end is connected with one input end of the OR gate circuit, and the other output end is connected with the controller.
When one circuit of the circuit breaker is low-voltage, the non-inverting input end of the voltage comparator A1 is larger than the inverting input end, namely, the rated condition is met, and the output high level is a rated signal.
As for the current comparator a2, it is substantially the same as the same comparator described above; for current comparison, a sampling resistor is connected to the input side of the current sensor, and a sampling resistor is connected to the output side of the current sensor. The current sensor takes a mutual inductor as an example, the secondary side of the mutual inductor is connected with a sampling resistor, and a current comparator A2 is connected with a wire from the sampling resistor to obtain a voltage signal. It can be understood that, in order to ensure the timeliness of the overload circuit breaking of the circuit breaker, the transformers described above in this embodiment are located in front of the circuit breaker.
In order to better meet the setting of overload triggering, the sampling resistor is set to comprise an adjustable resistor Rp and a fixed resistor R1 which are connected in series, and the fixed resistor R1 is connected to the secondary side of the transformer; the connection point of the two resistors is connected to the non-inverting input side of the current comparator a 2.
The reverse input side of the current comparator A2 is connected with a reference voltage Vref, and the reference voltage Vref is a current overload trigger threshold value in a rated condition, namely the voltage of a resistor Rp when a worker determines that one path of current of the circuit breaker is overloaded. When one circuit of the circuit breaker is overloaded, the non-inverting input end of the current comparator A2 is larger than the inverting input end, namely, the rated condition is met, and the output high level is a rated signal.
And one output end of the current comparator A2 is connected with the other input end of the OR gate circuit, and the other output end of the current comparator A2 is connected with the controller.
According to the method, on one hand, both low voltage and overload are doubly fed back to the controller for confirmation, the influence of the access fault of the controller can be reduced, and the output of the gate circuit and the output of the two comparators are matched with each other, so that specific fault points of the circuit breaker in abnormal time and space can be distinguished; on the other hand, the sensors, the inductors and the like are isolated from the controller, and the controller is only triggered by high and low levels, so that the signals are clear, and the on-off sequence control of the circuit breaker can be more easily realized.
In order to recycle the settings and meet the requirements of more users, the system further comprises a communication unit, wherein the communication unit can be a/3G/4G module or other GSM-R modules and is configured to be connected with a designated terminal, such as a control unit on a train; and it is configured to: the alarm control system is used for executing a preset alarm process according to an output signal of the OR gate circuit, such as sending alarm trigger information to the control unit; namely, after the device is applied, no matter the breaker is low-voltage or overloaded all the way, the train control unit can be prompted in time, and fault removal is carried out in time, so that the safety and stability of train operation are guaranteed.
The switching on/off brake holding execution unit of the application comprises:
a transistor Q1 (NPN, same below) having a base connected to the controller;
a holding resistor Rb connected to an emitter of the transistor Q1 and to a closing coil of the circuit breaker body;
the transistor Q2 has a base connected to the controller and an emitter connected to the closing coil of the circuit breaker body, or a power supply loop called the closing coil of the series circuit breaker body.
A use phase, the controller being configured to: the circuit breaker is used for controlling the conduction of the triode Q1 according to the output (high level) of the OR gate circuit and the output of the voltage comparator A1, namely, one path of the triode Q1 is used for supplying power to a closing coil of the circuit breaker at low voltage so that the circuit breaker can be kept closed continuously.
The controller is further configured to: and is used for controlling the transistor Q2 to be non-conductive, namely, to cut off the power supply of the electromagnetic system by the transistor Q2 when overload occurs according to the output of the OR gate circuit and the output of the current comparator A2, so that the coil is de-energized.
For the compact control module of this application, if another route is led to supply power, influence the layout of circuit breaker, for this reason, the following settings are made in this application to supply power, specifically:
still include the power supply unit, the power supply unit includes: the device comprises an electricity storage group and an adaptive floating charge circuit; the battery pack, namely a small battery plate, a floating charging circuit for charging the battery pack is connected to a load terminal of the circuit breaker body, and the discharging side of the battery pack is connected to the controller and a triode Q1. It should be noted that any floating charging circuit matched with the storage battery pack is connected with a load of the circuit breaker body through a current-limiting resistor so as to ensure charging safety; the floating charge is selected to reduce the damage probability of the storage battery. It can be understood that an RC circuit is also connected in series between the charging side of the battery pack and the controller to ensure stable power supply of the controller.
The output sides of the two comparators are respectively connected with the diodes D1 and D2 in a positive connection mode, so that the use stability of the comparators is guaranteed.
The OR gate circuit of the application is also connected with a mechanical switch K1 in series to meet more use requirements of users.
Example 2:
the difference from example 1 is that: the controller is also connected with a neutral-section passing safety module.
It can be understood that: the alternating current is three-phase; when a pantograph of a train is connected with a network, instantaneous power utilization is a single phase, so that the railway sectionally uses power, and each section uses one phase; a train needs to pass through a phase separation zone from one phase zone to another. The neutral section passing safety module is used for preventing electrical damage caused by untimely disjunction of the train when the neutral section passes.
The passing neutral section safety module comprises: the system comprises a passing split-phase logic unit and a train position acquisition unit; the passing phase separation logic unit can be another processing chip and a peripheral circuit matched with the processing chip, is connected with the controller and the train position acquisition unit, and is used for executing safety and brake separation logic based on whether the train pantograph is timely disconnected or not when the train passes the phase separation.
For the train position obtaining unit, the embodiment has two options, one is: acquiring position information of a train from a train operation safety control system (a cab); the second step is that: and position information acquisition is realized from an independently arranged GPS module or RSU module.
It can be understood that the GPS module has a signal loss and the like in an area where a railway passes, and the GPS module is acquired from a train operation safety control system and the like, and needs to make multiple adjustments of protocols, serial ports and the like, which relate to a train head, and generally does not suggest, and therefore, the RSU module is preferred in this embodiment. The specific use mode is as follows:
at the track side, according to the demarcation point of each phase zone as the reference origin, establish the OBU module at predetermineeing apart from the district section respectively for RSU module can accomplish the position point discernment with the OBU module is mutual when the train of using this application passes through, looks for the pre-established relation again through the looks logical unit and has: and determining the train position information by the database of the point location-position-distance phase separation area. It will be appreciated that to accommodate this, the RSU module is not integrated into the circuit breaker area, but is instead carried on the train wall.
The above applications are described in the following embodiments, and are not described herein.
The embodiment of the application also discloses a control method of the train circuit breaker with the semiconductor chip.
The control method of the train circuit breaker with the semiconductor chip comprises the following steps: alarm, low voltage hold, and overload trip.
The alerting comprises configuring the controller to: receiving a high level signal of an OR gate circuit when the voltage and/or the current meet rated conditions, and sending a preset alarm signal to a designated terminal through a communication unit;
the low voltage maintenance includes configuring the controller to: receiving a high level output by the voltage comparator A1 and a high level output by an OR gate circuit when the voltage meets a rated condition, controlling the conduction of the triode Q1 and the non-conduction of the triode Q2;
the overload opening includes configuring the controller to: receiving a high level output by a current comparator A2 and a high level output by a gate circuit when the current meets a rated condition, and controlling the non-conduction of a triode Q2;
the passing phase separation safety and opening includes configuring the passing phase separation logic unit to: and receiving position data fed back by the train position acquisition unit, calculating estimated time for passing through the neutral section based on the position data and real-time speed data of the train, timing until the estimated time and a safety allowable time threshold accumulated value are obtained, and outputting a high level to the controller.
Specifically, the method comprises the following steps: the distance L = v x t, wherein v is the vehicle speed and t is the estimated time; the distance L can be determined from the pre-established database based on the known passing point location identification to calculate the estimated time t. The safety allowable time threshold is the maximum safety delay time allowed for manual operation of related personnel. Thus, the above can be understood as: when the train enters the phase separation area and is not timely disconnected manually or by other mechanisms, the controller receives a trigger signal fed back by the phase separation logic unit.
The over-phase safety and opening further comprises configuring the controller to: after receiving the high level of the passing split logic unit, judging whether the feedback signals of the voltage comparator A1 and the current comparator A2 are opposite or not, and the feedback of the voltage comparator A1 is low level, if so, controlling the triodes Q1 and Q2 to be non-conductive, and actively breaking the pantograph and the train power grid in an intervention mode.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a train circuit breaker with semiconductor chip, includes the body that opens circuit, its characterized in that: install compact control module on the circuit breaker body, compact control module includes:
the sampling unit is connected with a voltage sensor and a current sensor in the high-voltage box body and used for outputting rated signals when voltage and current detection values meet rated conditions;
the controller is connected to the output end of the sampling unit, is used for responding to the rated signal and is used for managing the closing holding time sequence of the circuit breaker body;
and the switching-on/switching-off maintaining execution unit is connected to the controller and is used for driving the breaker body to keep switching on or switching off when the voltage and current detection values meet rated conditions.
2. The train circuit breaker with a semiconductor chip as claimed in claim 1, wherein the sampling unit comprises: a voltage comparator A1, a current comparator A2, and an OR gate;
the voltage sensor is connected to the input side of the voltage comparator A1, the reference voltage of the voltage comparator A1 is the lower limit value of a low voltage preset in a rated condition and used for driving the breaker body to keep closing, and the output side of the voltage comparator A1 is connected to an OR gate circuit and a controller;
the input side of a current comparator A2 is connected with a sampling resistor, the sampling resistor is connected in series with a current sensor, the reference voltage of the current comparator A2 is a voltage threshold corresponding to the sampling resistor when overcurrent preset in rated conditions drives a local open brake of a circuit breaker to flow through the sampling resistor, and the output side of the current comparator A2 is connected with an OR gate circuit and a controller;
the output side of the OR gate circuit is connected to the controller.
3. The train circuit breaker with semiconductor chip as claimed in claim 2, wherein: the sampling resistor is an adjustable resistor Rp and is connected with a resistor R1 in series; the connection point of the adjustable resistor Rp and the resistor R1 is connected to the input side of the current comparator a 2.
4. The train circuit breaker with semiconductor chip as claimed in claim 2, wherein: the controller includes singlechip/ARM, the controller is connected with the communication unit, and it still is configured as: for executing a preset alarm process according to the output signal of the or gate circuit.
5. The train circuit breaker with semiconductor chip as claimed in claim 2, wherein: the switching on/off brake keeping execution unit comprises:
a triode Q1, the base of which is connected with the controller;
a holding resistor Rb connected to an emitter of the transistor Q1 and to a closing coil of the circuit breaker body;
the transistor Q2 has a base connected to the controller and an emitter connected to the closing coil of the breaker body.
6. The train circuit breaker with semiconductor chip as claimed in claim 2, wherein: the controller is configured to: the output of the OR gate circuit and the output of the voltage comparator A1 are used for controlling whether the transistor Q1 is conducted or not; and, the output of the or gate circuit and the output of the current comparator a2 are used to control whether the transistor Q2 is conductive.
7. The train circuit breaker with semiconductor chip as claimed in claim 1, wherein: still include the power supply unit, the power supply unit includes: the device comprises an electricity storage group and an adaptive floating charge circuit; the floating charging circuit is connected to a load terminal of the circuit breaker body, the output side of the floating charging circuit is connected to the storage battery pack, and the discharge side of the storage battery pack is connected to the controller and the triode Q1.
8. The train circuit breaker with semiconductor chip as claimed in claim 3, wherein: the controller is also connected with a neutral section passing safety module, and the neutral section passing safety module comprises: the device comprises a passing phase splitting logic unit and a train position acquisition unit, wherein the phase splitting logic unit is connected with a controller and the train position acquisition unit and is used for executing safety and brake splitting logic based on whether a train pantograph is timely disconnected or not when the train passes the phase splitting.
9. The train circuit breaker with semiconductor chip as claimed in claim 8, wherein: the train position obtaining unit comprises a transmission group used for connecting a train control unit to obtain train position information and/or an RSU module used for interacting with a track side preset OBU module.
10. A control method of a train circuit breaker with a semiconductor chip is characterized in that: the method comprises the steps of alarming, low-voltage maintaining, overload switching-off, and passing phase separation safety and switching-off;
the alerting comprises configuring the controller to: receiving a high level signal of an OR gate circuit when the voltage and/or the current meet rated conditions, and sending a preset alarm signal to a designated terminal through a communication unit;
the low pressure maintenance includes configuring the controller to: receiving a high level output by the voltage comparator A1 and a high level output by an OR gate circuit when the voltage meets a rated condition, controlling the conduction of the triode Q1 and the non-conduction of the triode Q2;
the overload trip comprises configuring a controller to: receiving a high level output by a current comparator A2 and a high level output by a gate circuit when the current meets a rated condition, and controlling the non-conduction of a triode Q2;
the passing neutral section safety and opening comprises configuring a passing neutral section logic unit to: receiving position data fed back by a train position acquisition unit, calculating estimated time for passing through neutral section based on the position data and real-time speed data of the train, timing until the estimated time and a safety allowable time threshold accumulated value are obtained, and outputting a high level to a controller;
the over-phase safety and opening further comprises configuring the controller to: after receiving the high level of the passing phase logic unit, the feedback signals of the voltage comparator A1 and the current comparator A2 are judged whether to be opposite, the feedback of the voltage comparator A1 is low level, and if yes, the triodes Q1 and Q2 are controlled to be non-conductive.
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| CN202210046685.8A CN114360971B (en) | 2022-01-17 | 2022-01-17 | Train circuit breaker with semiconductor chip and control method thereof |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757310Y (en) * | 2004-08-03 | 2006-02-08 | 东南大学 | Mixed power electronic breaker observe and control device |
| CN202994879U (en) * | 2012-04-24 | 2013-06-12 | 深圳市深泰明科技有限公司 | Electric signal measurement device and device for on-line monitoring of storage-battery float-charging current |
| CN103166176A (en) * | 2011-12-16 | 2013-06-19 | 上海精翊电器有限公司 | Under-voltage protection tripper for low-voltage circuit breaker |
| CN103208806A (en) * | 2013-04-11 | 2013-07-17 | 中国振华电子集团百智科技有限公司 | High-voltage permanent magnet zero passage switch control device |
| US20130200706A1 (en) * | 2012-02-07 | 2013-08-08 | Robert Cobb | Energy management system and method for controlling high current draws from variable current devices commonly connectable to an electrical circuit |
| CN104518515A (en) * | 2014-12-11 | 2015-04-15 | 无锡市锡容电力电器有限公司 | Circuit breaker device for reactive power compensation device |
| CN105355518A (en) * | 2015-10-21 | 2016-02-24 | 佳一电气有限公司 | Miniature circuit breaker control device and method applying device to control circuit breaker |
| CN208908210U (en) * | 2018-09-25 | 2019-05-28 | 浙江正泰电器股份有限公司 | A kind of energy storage type reclosing breaker and its control circuit |
| CN212113607U (en) * | 2020-06-23 | 2020-12-08 | 广东南冠电气有限公司 | Self-recovery type overvoltage and undervoltage protection circuit breaker |
| CN113012998A (en) * | 2021-03-10 | 2021-06-22 | 北京中兆龙芯软件科技有限公司 | Intelligent internet-of-things type residual current operated circuit breaker |
| CN214590574U (en) * | 2021-02-23 | 2021-11-02 | 江门市大光明电力设备厂有限公司 | Intelligent circuit breaker with load side end zero monitoring function |
-
2022
- 2022-01-17 CN CN202210046685.8A patent/CN114360971B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2757310Y (en) * | 2004-08-03 | 2006-02-08 | 东南大学 | Mixed power electronic breaker observe and control device |
| CN103166176A (en) * | 2011-12-16 | 2013-06-19 | 上海精翊电器有限公司 | Under-voltage protection tripper for low-voltage circuit breaker |
| US20130200706A1 (en) * | 2012-02-07 | 2013-08-08 | Robert Cobb | Energy management system and method for controlling high current draws from variable current devices commonly connectable to an electrical circuit |
| CN202994879U (en) * | 2012-04-24 | 2013-06-12 | 深圳市深泰明科技有限公司 | Electric signal measurement device and device for on-line monitoring of storage-battery float-charging current |
| CN103208806A (en) * | 2013-04-11 | 2013-07-17 | 中国振华电子集团百智科技有限公司 | High-voltage permanent magnet zero passage switch control device |
| CN104518515A (en) * | 2014-12-11 | 2015-04-15 | 无锡市锡容电力电器有限公司 | Circuit breaker device for reactive power compensation device |
| CN105355518A (en) * | 2015-10-21 | 2016-02-24 | 佳一电气有限公司 | Miniature circuit breaker control device and method applying device to control circuit breaker |
| CN208908210U (en) * | 2018-09-25 | 2019-05-28 | 浙江正泰电器股份有限公司 | A kind of energy storage type reclosing breaker and its control circuit |
| CN212113607U (en) * | 2020-06-23 | 2020-12-08 | 广东南冠电气有限公司 | Self-recovery type overvoltage and undervoltage protection circuit breaker |
| CN214590574U (en) * | 2021-02-23 | 2021-11-02 | 江门市大光明电力设备厂有限公司 | Intelligent circuit breaker with load side end zero monitoring function |
| CN113012998A (en) * | 2021-03-10 | 2021-06-22 | 北京中兆龙芯软件科技有限公司 | Intelligent internet-of-things type residual current operated circuit breaker |
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