CN113037104B - Power supply circuit of air lock gate - Google Patents
Power supply circuit of air lock gate Download PDFInfo
- Publication number
- CN113037104B CN113037104B CN202110303749.3A CN202110303749A CN113037104B CN 113037104 B CN113037104 B CN 113037104B CN 202110303749 A CN202110303749 A CN 202110303749A CN 113037104 B CN113037104 B CN 113037104B
- Authority
- CN
- China
- Prior art keywords
- control
- voltage
- power supply
- control signal
- rectifying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention relates to a power supply circuit of an air lock gate. The method comprises the following steps: the first transformer is connected with the output end of the alternating current power supply and used for generating input voltage according to alternating current voltage of the alternating current power supply; control means for generating a control voltage from an input voltage; the first rectifying device is used for generating and outputting an outer door voltage for controlling the opening of an air brake outer door to the outer door clutch according to the input voltage when receiving the control voltage; the second rectifying device is used for generating and outputting an inner door voltage for controlling the opening of the inner door of the air brake to the inner door clutch according to the input voltage when receiving the control voltage; and the input device is used for outputting a first control signal and a second control signal to the control device, and the control device is also used for outputting a control voltage to the first rectifying device according to the first control signal and outputting the control voltage to the second rectifying device according to the second control signal. The problems that a clutch power supply system fails and the air gate cannot be opened and closed are solved.
Description
Technical Field
The invention relates to the technical field of nuclear power stations, in particular to a power supply circuit of an air lock gate.
Background
The air gate is a device applied to a nuclear power station, 8m of the air gate of a nuclear reactor plant is a normal pedestrian passage, and 0m of the air gate is an emergency passage gate. Each air gate comprises an inner gate, an outer gate, 3 control cabinets, 4 operating hand wheels, 1 driving motor, 1 clutch, a plurality of driving shafts, chains and the like, the overall integrity of the containment vessel of the reactor and the tightness of the containment vessel and parts of the containment vessel are guaranteed through the air gates, so that the tightness of the containment vessel during operation and accidents is guaranteed, and the entry and exit of workers during the normal operation working condition and overhaul of the nuclear power station are guaranteed.
The power supply device of the traditional nuclear power station air lock gate driving mechanism comprises a nonstandard transformer, a nonstandard rectification power supply and a clutch power supply system formed by a logic control module, wherein the nonstandard rectification power supply and the clutch power supply system are arranged in a control cabinet, when a direct-current power supply in the logic control module breaks down, the clutch power supply system fails to work, the air lock gate cannot be opened and closed, a manufacturer of the current clutch power supply system is turned over, spare parts cannot be provided, and along with the aging of equipment, great hidden risks are brought to the operation of a unit.
Disclosure of Invention
In view of the above, it is necessary to provide a new power supply circuit for an air lock door.
A power supply circuit for an air lock door, comprising:
the first transformer comprises a first primary side, a first secondary side, a second secondary side and a third secondary side, wherein the first primary side is connected with the output end of the alternating current power supply and is used for generating input voltage according to alternating current voltage of the alternating current power supply;
the first input end of the control device is connected with the first secondary side and used for generating control voltage according to the input voltage;
the input end of the first rectifying device is connected with the second secondary side, and the control end of the first rectifying device is connected with the first output end of the control device and used for generating and outputting an outer door voltage for controlling the opening of the air brake outer door to the outer door clutch according to the input voltage when receiving the control voltage;
the input end of the second rectifying device is connected with the third secondary side, and the control end of the second rectifying device is connected with the second output end of the control device and used for generating and outputting an inner door voltage for controlling the opening of the inner door of the air brake to the inner door clutch according to the input voltage when receiving the control voltage;
and the input device is connected with the second input end of the control device and used for outputting a first control signal and a second control signal to the control device, and the control device is also used for outputting control voltage to the first rectifying device according to the first control signal and outputting control voltage to the second rectifying device according to the second control signal.
In one embodiment, the first rectifying device and the second rectifying device comprise full-wave rectifying devices.
In one embodiment, the power supply circuit of the airlock door further comprises:
the second transformer comprises a second primary side and a fourth secondary side, the second primary side is connected with the output end of the alternating current power supply and is used for generating manual input voltage according to the alternating current voltage of the alternating current power supply;
and the input end of the third rectifying device is connected with the fourth secondary side and is used for generating a manual outer door voltage for controlling the opening of the air brake outer door according to the manual input voltage and generating a manual inner door voltage for controlling the opening of the air brake inner door according to the manual input voltage.
In one embodiment, the power supply circuit of the airlock door further comprises:
the first end of the first switching device is connected with the output end of the alternating current power supply, the second end of the first switching device is connected with the first primary side of the first transformer, the third end of the first switching device is connected with the second primary side of the second transformer, and the control end of the first switching device is connected with the third output end of the control device;
the input device is also used for outputting a third control signal and a fourth control signal to the control device; the control device is further used for sending an automatic control signal for controlling the connection between the output end of the alternating current power supply and the first primary side to the first switching device when receiving a third control signal, and sending a manual control signal for controlling the connection between the output end of the alternating current power supply and the second primary side to the first switching device when receiving a fourth control signal.
In one embodiment, the control device is further configured to preferentially execute the third control signal when the third control signal and the fourth control signal are received simultaneously.
In one embodiment, the input voltage and the manual input voltage are 220V AC voltage, and the third rectifying means comprises full-wave rectifying means.
In one embodiment, the power supply circuit of the air lock door further comprises:
the first end of the second switching device is connected with the output end of the third rectifying device, the second end of the second switching device is connected with the outer door clutch, the third end of the second switching device is connected with the inner door clutch, and the control end of the second switching device is connected with the input device;
the input device is also used for sending an outer door control signal for controlling and connecting the output end of the third rectifying device and the outer door clutch to the second switch device and an inner door control signal for controlling and connecting the output end of the third rectifying device and the inner door clutch.
In one embodiment, the second switching device cannot simultaneously execute the outer door control signal and the inner door control signal.
In one embodiment, the second switching device comprises a normally open switching device.
In one embodiment, the control device comprises:
the input end of the fourth rectifying device is the first input end of the control device, and the fourth rectifying device is used for generating control voltage according to the input voltage;
and the first end of the third switching device is connected with the output end of the fourth rectifying device, the second end of the third switching device is the first output end of the control device, the third end of the third switching device is the second output end of the control device, the fourth end of the third switching device is the third output end of the control device, the control end of the third switching device is the second input end of the control device, the third switching device is used for connecting the output end of the fourth rectifying device with the first rectifying device when receiving a first control signal, and connecting the output end of the fourth rectifying device with the second rectifying device when receiving a second control signal.
The power supply circuit of the air lock door comprises: the first transformer comprises a first primary side, a first secondary side, a second secondary side and a third secondary side, wherein the first primary side is connected with the output end of the alternating current power supply and is used for generating input voltage according to alternating current voltage of the alternating current power supply; the first input end of the control device is connected with the first secondary side and used for generating a control voltage according to the input voltage; the input end of the first rectifying device is connected with the second secondary side, and the control end of the first rectifying device is connected with the first output end of the control device and used for generating and outputting an outer door voltage for controlling the opening of the air brake outer door to the outer door clutch according to the input voltage when receiving the control voltage; the input end of the second rectifying device is connected with the third secondary side, and the control end of the second rectifying device is connected with the second output end of the control device and used for generating and outputting an inner door voltage for controlling the opening of the inner door of the air brake to the inner door clutch according to the input voltage when receiving the control voltage; and the input device is connected with the second input end of the control device and used for outputting a first control signal and a second control signal to the control device, and the control device is also used for outputting control voltage to the first rectifying device according to the first control signal and outputting control voltage to the second rectifying device according to the second control signal. The first input end of the control device in the power supply circuit with the air lock gate is connected with the first secondary side of the first transformer, so that the power supply circuit only uses an alternating current power supply to supply power, the problem that when a direct current power supply in a logic control module of a traditional nuclear power station air lock gate driving mechanism breaks down, a clutch power supply system fails, the air lock gate cannot be opened and closed is solved, and the problem that a manufacturer of the existing clutch power supply system is turned over and closed and cannot provide spare parts is solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a power supply circuit of an air lock door according to an embodiment;
FIG. 2 is a schematic diagram of a power supply circuit of an air lock door according to another embodiment;
FIG. 3 is a schematic diagram of a power supply circuit of an air lock door according to still another embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of the present application. The first resistance and the second resistance are both resistances, but they are not the same resistance.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.
A power supply device of a typical airlock driving mechanism supplies power to clutch coils through 2 transformers and 3AL power supplies (rectifying power supplies), wherein a transformer 002TR + a rectifying power supply 001AL form a passage 1 and supplies power to two clutch coils 201EE and 202EE in a manual control mode; transformer 003TR + rectifier power 002AL 003AL constitute route 2, are two clutch coil 203EE and 204EE power supplies of automatic control mode respectively, and wherein, the air lock gate is that two inside and outside gates constitute, and normal business turn over process is: firstly, opening the outer gate, then entering between the inner gate and the outer gate, closing the outer gate, then opening the inner gate, then entering the inner gate, and finally closing the inner gate. This ensures that the radioactive gas does not leak out. The clutch coil 201EE controls the outer gate, closes the outer gate when power is lost, the clutch coil 202EE controls the inner gate, and closes the inner gate when power is lost. The clutch coil 203EE controls the outer gate, the clutch is separated when power is lost, the outer gate is closed, the clutch coil 204EE controls the inner gate, the clutch is separated when power is lost, the inner gate is closed, and therefore the purpose of controlling the opening and closing of the air gate through the passage 1 and the passage 2 is achieved. When the direct current power supply in the logic control module breaks down, the clutch power supply system fails, and the air lock door cannot be opened or closed.
Referring to fig. 1, a schematic structural diagram of a power supply circuit of an air lock door in an embodiment is shown.
In view of the above problem, in an embodiment of the present invention, there is provided a power supply circuit for an air lock door, as shown in fig. 1, the power supply circuit for an air lock door includes: a first transformer 102, a control device 104, a first rectifying device 106, a second rectifying device 108, and an input device 110.
The first transformer 102 includes a first primary side, a first secondary side, a second secondary side, and a third secondary side, and the first primary side is connected to the output terminal of the ac power supply and configured to generate an input voltage according to an ac voltage of the ac power supply.
A first input of the control device 104 is connected to the first secondary side for generating a control voltage from the input voltage.
The input end of the first rectifying device 106 is connected to the second secondary side, and the control end of the first rectifying device 106 is connected to the first output end of the control device 104, and is configured to generate and output an external gate voltage for controlling the opening of the air brake external gate to the external gate clutch 202 according to the input voltage when receiving the control voltage.
The input end of the second rectifying device 108 is connected to the third secondary side, and the control end of the second rectifying device 108 is connected to the second output end of the control device 104, and is configured to generate and output an inner gate voltage for controlling the opening of the inner gate of the damper to the inner gate clutch 204 according to the input voltage when receiving the control voltage.
The input device 110 is connected to a second input terminal of the control device 104 and is configured to output a first control signal and a second control signal to the control device 104, and the control device 104 is further configured to output a control voltage to the first rectifying device 106 according to the first control signal and output a control voltage to the second rectifying device 108 according to the second control signal.
The power supply circuit of the air lock door comprises: the first transformer comprises a first primary side, a first secondary side, a second secondary side and a third secondary side, wherein the first primary side is connected with the output end of the alternating current power supply and is used for generating input voltage according to alternating current voltage of the alternating current power supply; the first input end of the control device is connected with the first secondary side and used for generating a control voltage according to the input voltage; the input end of the first rectifying device is connected with the second secondary side, and the control end of the first rectifying device is connected with the first output end of the control device and used for generating and outputting an outer door voltage for controlling the opening of the air brake outer door to the outer door clutch according to the input voltage when receiving the control voltage; the input end of the second rectifying device is connected with the third secondary side, and the control end of the second rectifying device is connected with the second output end of the control device and used for generating and outputting an inner door voltage for controlling the opening of the inner door of the air brake to the inner door clutch according to the input voltage when receiving the control voltage; and the input device is connected with the second input end of the control device and used for outputting a first control signal and a second control signal to the control device, and the control device is also used for outputting control voltage to the first rectifying device according to the first control signal and outputting control voltage to the second rectifying device according to the second control signal. The first input end of the control device in the power supply circuit with the air lock gate is connected with the first secondary side of the first transformer, so that the power supply circuit only uses an alternating current power supply to supply power, the problem that the air lock gate cannot be opened and closed due to failure of a clutch power system when a direct current power supply in a logic control module of a traditional nuclear power station air lock gate driving mechanism breaks down is solved, and the problem that a manufacturer of the existing clutch power system is turned over and closed and cannot provide spare parts is solved.
In one embodiment, the first rectifying device 106 and the second rectifying device 108 comprise full-wave rectifying devices. Compared with the half-wave rectifying device, the full-wave rectifying device is selected as the first rectifying device 106 and the second rectifying device 108 in the application, the complete period of the alternating voltage output by the alternating current power supply can be utilized, and the utilization efficiency of the alternating current power supply is improved by about one time.
In one embodiment, the first rectifying device 106 and the second rectifying device 108 include a switching power supply, the voltage stabilization precision of the switching power supply is high, and the output voltage fluctuation of the first rectifying device 106 and the second rectifying device 108 is within ± 2VDC, so that the precision indexes of voltage and current are greatly improved, a high-quality and stable power supply is provided for an air lock gate, the problem that no spare parts are available for a long time for an air lock gate transformer and the rectifying devices is solved, the hidden risk of unit operation is solved, and the reliability of a third barrier of a power station is improved.
Fig. 2 is a schematic structural diagram of a power supply circuit of an air lock door in another embodiment.
As shown in fig. 2, in one embodiment, the power supply circuit of the airlock door further comprises: a second transformer 112 and a third rectifying device 114.
The second transformer 112 includes a second primary side and a fourth secondary side, and the second primary side is connected to the output end of the ac power supply and is configured to generate a manual input voltage according to the ac voltage of the ac power supply.
The input end of the third rectifying device 114 is connected to the fourth secondary side, and is configured to generate a manual outer gate voltage for controlling the opening of the outer gate of the air lock according to the manual input voltage, and is further configured to generate a manual inner gate voltage for controlling the opening of the inner gate of the air lock according to the manual input voltage. Different control modes of the air lock inner door and the air lock outer door are realized through the second transformer 112 and the third rectifying device 114, and the problem that the opening and closing of the air lock inner door and the air lock outer door (air lock door) cannot be controlled when the first transformer 102 breaks down is solved.
In one embodiment, the third rectifying device 114 comprises a self-contained control voltage rectifying device, such as a self-contained 5VDC rectifying device.
As shown in fig. 2, in one embodiment, the power supply circuit of the airlock door further includes a first switching device 116.
A first terminal of the first switching device 116 is connected to the output terminal of the ac power source, a second terminal of the first switching device 116 is connected to the first primary side of the first transformer 102, a third terminal of the first switching device 116 is connected to the second primary side of the second transformer 112, and a control terminal of the first switching device 116 is connected to the third output terminal of the control device 104.
The input means 110 is further adapted to output a third control signal and a fourth control signal to the control means 104; the control device 104 is further configured to send an automatic control signal for controlling the connection between the output terminal of the ac power source and the first primary side to the first switching device 116 when receiving the third control signal, and send a manual control signal for controlling the connection between the output terminal of the ac power source and the second primary side to the first switching device 116 when receiving the fourth control signal. The first switch device 116 is used to input a third control signal and a fourth control signal, which are different, through the input device 110, so as to switch the automatic control circuit formed by the first transformer 102 and the manual control circuit formed by the second transformer 112, that is, to switch between automatic control and manual control.
In one embodiment, the control device 104 is further configured to preferentially execute the third control signal when the third control signal and the fourth control signal are received simultaneously. The purpose of automatic control priority is realized through the setting.
In one embodiment, the input voltage and the manual input voltage are 220VAC voltages, and the third rectifying means 114 comprises full-wave rectifying means.
In one embodiment, the AC voltage provided by the AC power source comprises 380V AC voltage, in which case the first transformer 102 is a 380VAC-220VAC 100VA standard transformer and the second transformer 112 is a 380VAC-220VAC 250VA standard transformer.
As shown in fig. 2, in one embodiment, the power supply circuit of the airlock door further comprises a second switching device 118.
A first terminal of the second switching device 118 is connected to the output of the third rectifying device 114, a second terminal of the second switching device 118 is connected to the outer door clutch 202, a third terminal of the second switching device 118 is connected to the inner door clutch 204, and a control terminal of the second switching device 118 is connected to the input device 110.
The input device 110 is also used to send an outer door control signal to the second switching device 118 that controls the connection of the output of the third rectifying device 114 to the outer door clutch 202, and an inner door control signal to the connection of the output of the third rectifying device 114 to the inner door clutch 204.
In one embodiment, the second switch device 118 cannot execute both the outer door control signal and the inner door control signal, and this arrangement achieves the objective that the outer door clutch 202 and the inner door clutch 204 are not connected to the output of the third fairing 114 at the same time, and the air valve inner door and the air valve outer door are not opened at the same time.
In one embodiment, the input device 110 is further configured to send a fifth control signal to the second switching device 118 that controls the decoupling of the output of the third rectifying device 114 from the outer door clutch 202, and a sixth control signal that controls the decoupling of the output of the third rectifying device 114 from the inner door clutch 204.
In one embodiment, the second switch device 118 comprises a normally open switch device, and when the second switch device 118 does not receive the outer door control signal or the inner door control signal, the outer door clutch 202 does not receive the manual outer door voltage, the inner door clutch 204 does not receive the manual inner door voltage, and both the inner and outer air gates are in a closed state.
Fig. 3 is a schematic structural diagram of a power supply circuit of an air lock door in still another embodiment.
As shown in fig. 3, in one embodiment, the control device 104 includes: a fourth rectifying device 302 and a third switching device 304.
The input terminal of the fourth rectifying means 302 is a first input terminal of the control means 104, and the fourth rectifying means 302 is configured to generate a control voltage according to the input voltage.
A first terminal of the third switching device 304 is connected to the output terminal of the fourth rectifying device 302, a second terminal of the third switching device 304 is a first output terminal of the control device 104, a third terminal of the third switching device 304 is a second output terminal of the control device 104, a fourth terminal of the third switching device 304 is a third output terminal of the control device 104, a control terminal of the third switching device 304 is a second input terminal of the control device 104, the third switching device 304 is configured to connect the output terminal of the fourth rectifying device 302 to the control terminal of the first rectifying device 106 when receiving the first control signal, and connect the output terminal of the fourth rectifying device 302 to the control terminal of the second rectifying device 108 when receiving the second control signal.
In one embodiment, the input device 110 is further configured to send a seventh control signal to the third switching device 304 to control disconnecting the output terminal of the fourth rectifying device 302 from the control terminal of the first rectifying device 106, and an eighth control signal to control disconnecting the output terminal of the fourth rectifying device 302 from the control terminal of the second rectifying device 108.
In other embodiments, the fourth rectifying device 302 comprises a self-contained control voltage rectifying device, such as a self-contained 5VDC rectifying device.
In one embodiment, the control voltage is 5V DC voltage, and the outer gate voltage, the manual outer gate voltage, the inner gate voltage and the manual inner gate voltage are all 24V DC voltage.
In one embodiment, the outer door clutch 202 includes a first clutch coil coupled to the second end of the second switching device 118 and a second clutch coil coupled to the output of the first rectifying device 106. The inner door clutch 204 includes a third clutch coil connected to the third terminal of the second switching device 118, and a fourth clutch coil connected to the output of the second rectifying device 108.
The operation of the power supply circuit of the airlock door will be briefly described below with reference to fig. 3. Under the normal state, the air lock outer door and the air lock inner door are both in a closed state. In the case of the ac power, when the third control signal is input to the third switching device 304 through the input device 110, the third switching device 304 sends an automatic control signal for controlling the connection between the output terminal of the ac power and the first primary side of the first transformer 102 to the first switching device 116, the first switching device 116 starts the operation of the automatic control circuit constituted by the first transformer 102 after receiving the automatic control signal, the first transformer 102 generates an input voltage according to the ac voltage of the ac power, and the fourth rectifying device 302 generates a control voltage (5V dc voltage) according to the input voltage. When the input device 110 inputs the first control signal to the third switching device 304, the output terminal of the fourth rectifying device 302 is connected to the control terminal of the first rectifying device 106 through the third switching device 304 (the relay contact is turned on), the first rectifying device 106 generates an outer door voltage (24V dc voltage) for controlling the opening of the outer door of the damper according to the input voltage and outputs the outer door voltage to the outer door clutch 202 after receiving the control voltage generated by the fourth rectifying device 302, and the outer door clutch controls the opening of the outer door of the damper. When the input device 110 inputs the seventh control signal to the third switching device 304, the output terminal of the fourth rectifying device 302 is disconnected from the control terminal of the first rectifying device 106, and the outer door clutch controls the outer door of the damper to close. When the input device 110 inputs the second control signal to the third switching device 304, the output terminal of the fourth rectifying device 302 is connected to the control terminal of the second rectifying device 108 through the third switching device 304 (the relay contact is turned on), the second rectifying device 108 generates an inner gate voltage (24V dc voltage) for controlling the opening of the inner gate of the damper according to the input voltage and outputs the inner gate voltage to the inner gate clutch 204 after receiving the control voltage generated by the fourth rectifying device 302, and the inner gate clutch controls the opening of the inner gate of the damper. When the input device 110 inputs the eighth control signal to the third switching device 304, the output terminal of the fourth rectifying device 302 is disconnected from the control terminal of the second rectifying device 108, and the inner door clutch controls the inner door of the damper to be closed. When the fourth control signal is input to the third switching device 304 through the input device 110, the third switching device 304 sends a manual control signal for controlling the connection between the output terminal of the ac power supply and the second primary side of the second transformer 112 to the first switching device 116, the first switching device 116 starts the operation of the manual control circuit formed by the second transformer 112 after receiving the manual control signal, the second transformer 112 generates a manual input voltage according to the ac voltage of the ac power supply, and the third rectifying device 114 generates a manual outer gate voltage (24V dc voltage) for controlling the opening of the outer gate of the air lock and a manual inner gate voltage (24V dc voltage) for controlling the opening of the inner gate of the air lock according to the manual input voltage. When the input device 110 sends the outer door control signal to the second switching device 118, the output terminal of the third rectifying device 114 is connected to the outer door clutch 202 through the second switching device 118, and the third rectifying device 114 outputs a manual outer door voltage (24V dc voltage) for controlling the opening of the outer door of the damper to the outer door clutch 202, and the outer door clutch controls the opening of the outer door of the damper. When the input device 110 also sends a fifth control signal to the second switching device 118, the output of the third rectifying device 114 is disconnected from the outer door clutch 202, which controls the damper outer door to close. When the input device 110 sends the inner door control signal to the second switching device 118, the output end of the third rectifying device 114 is connected to the inner door clutch 204 through the second switching device 118, and the third rectifying device 114 outputs a manual inner door voltage (24V dc voltage) for controlling the opening of the inner door of the damper to the inner door clutch 204, and the inner door clutch controls the opening of the inner door of the damper. When the input device 110 also sends a sixth control signal to the second switching device 118, the output of the third rectifying device 114 is disconnected from the inner door clutch 204, which controls the closing of the inner door of the damper.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (8)
1. A power supply circuit for an air lock door, comprising:
the first transformer comprises a first primary side, a first secondary side, a second secondary side and a third secondary side, wherein the first primary side is connected with the output end of the alternating current power supply and is used for generating input voltage according to the alternating current voltage of the alternating current power supply;
the first input end of the control device is connected with the first secondary side and used for generating a control voltage according to the input voltage so that the power supply circuit only uses the alternating current power supply for supplying power;
the input end of the first rectifying device is connected with the second secondary side, and the control end of the first rectifying device is connected with the first output end of the control device and used for generating and outputting an outer door voltage for controlling the opening of an outer door of the air brake to an outer door clutch according to the input voltage when receiving the control voltage;
the input end of the second rectifying device is connected with the third secondary side, the control end of the second rectifying device is connected with the second output end of the control device, and the second rectifying device is used for generating and outputting an inner door voltage for controlling the opening of an inner door of an air brake to an inner door clutch according to the input voltage when receiving the control voltage, wherein the first rectifying device and the second rectifying device comprise a switching power supply;
the input device is connected with the second input end of the control device and is used for outputting a first control signal and a second control signal to the control device, and the control device is also used for outputting a control voltage to the first rectifying device according to the first control signal and outputting the control voltage to the second rectifying device according to the second control signal;
the second transformer comprises a second primary side and a fourth secondary side, the second primary side is connected with the output end of the alternating current power supply and is used for generating manual input voltage according to the alternating current voltage output by the alternating current power supply;
the input end of the third rectifying device is connected with the fourth secondary side and is used for generating a manual outer door voltage for controlling the opening of the air brake outer door according to the manual input voltage and generating a manual inner door voltage for controlling the opening of the air brake inner door according to the manual input voltage;
a first end of the first switching device is connected with the output end of the alternating current power supply, a second end of the first switching device is connected with a first primary side of the first transformer, a third end of the first switching device is connected with a second primary side of the second transformer, and a control end of the first switching device is connected with a third output end of the control device;
the input device is also used for outputting a third control signal and a fourth control signal to the control device; the control device is further configured to send an automatic control signal to the first switching device to control connection between the output terminal of the ac power supply and the first primary side when receiving the third control signal, and send a manual control signal to the first switching device to control connection between the output terminal of the ac power supply and the second primary side when receiving the fourth control signal.
2. The power supply circuit of claim 1 wherein said first rectifying device and said second rectifying device comprise full wave rectifying devices.
3. The power supply circuit of claim 1 wherein the control means is further configured to prioritize execution of the third control signal when the third control signal and the fourth control signal are received simultaneously.
4. The power supply circuit of claim 1, wherein the input voltage and the manual input voltage are both 220vac voltages; the third rectifying means comprises full wave rectifying means.
5. The power supply circuit of claim 1, further comprising:
a second switching device, a first end of the second switching device is connected with an output end of the third rectifying device, a second end of the second switching device is connected with the outer door clutch, a third end of the second switching device is connected with the inner door clutch, and a control end of the second switching device is connected with the input device;
the input device is further used for sending an outer door control signal for controlling and connecting the output end of the third rectifying device and the outer door clutch to the second switch device, and an inner door control signal for controlling and connecting the output end of the third rectifying device and the inner door clutch.
6. The power supply circuit of claim 5, wherein the second switching device is incapable of executing the outer gate control signal and the inner gate control signal simultaneously.
7. The power supply circuit of claim 5, wherein the second switching device comprises a normally open switching device.
8. The power supply circuit according to claim 1, wherein the control means comprises:
a fourth rectifying device, an input end of which is a first input end of the control device, the fourth rectifying device being configured to generate the control voltage according to the input voltage;
a third switching device, a first end of the third switching device is connected to an output end of the fourth rectifying device, a second end of the third switching device is a first output end of the control device, a third end of the third switching device is a second output end of the control device, a fourth end of the third switching device is a third output end of the control device, a control end of the third switching device is a second input end of the control device, the third switching device is configured to connect an output end of the fourth rectifying device to the first rectifying device when receiving the first control signal, and connect an output end of the fourth rectifying device to the second rectifying device when receiving the second control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303749.3A CN113037104B (en) | 2021-03-22 | 2021-03-22 | Power supply circuit of air lock gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110303749.3A CN113037104B (en) | 2021-03-22 | 2021-03-22 | Power supply circuit of air lock gate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113037104A CN113037104A (en) | 2021-06-25 |
| CN113037104B true CN113037104B (en) | 2023-01-24 |
Family
ID=76472517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110303749.3A Active CN113037104B (en) | 2021-03-22 | 2021-03-22 | Power supply circuit of air lock gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113037104B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578826A (en) * | 2014-12-31 | 2015-04-29 | 上海新进半导体制造有限公司 | Switch power supply and control method for providing constant voltage and constant current in switch power supply |
| CN111775972A (en) * | 2020-06-21 | 2020-10-16 | 中车永济电机有限公司 | High-reliability locomotive electric transmission system and control method thereof |
| CN212486392U (en) * | 2020-03-25 | 2021-02-05 | 北京尚新融大电子有限公司 | Multi-output synchronous rectification flyback switching power supply control circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102332749B (en) * | 2010-12-31 | 2014-01-15 | 上海源致信息技术有限公司 | Control equipment and power supply management device and method thereof |
| CN109921642A (en) * | 2019-03-22 | 2019-06-21 | 北京四方继保自动化股份有限公司 | A kind of voltage changer |
-
2021
- 2021-03-22 CN CN202110303749.3A patent/CN113037104B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578826A (en) * | 2014-12-31 | 2015-04-29 | 上海新进半导体制造有限公司 | Switch power supply and control method for providing constant voltage and constant current in switch power supply |
| CN212486392U (en) * | 2020-03-25 | 2021-02-05 | 北京尚新融大电子有限公司 | Multi-output synchronous rectification flyback switching power supply control circuit |
| CN111775972A (en) * | 2020-06-21 | 2020-10-16 | 中车永济电机有限公司 | High-reliability locomotive electric transmission system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113037104A (en) | 2021-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3375063B1 (en) | Power system for offshore applications | |
| US8212402B2 (en) | System and method for limiting losses in an uninterruptible power supply | |
| US10780850B2 (en) | Aircraft supplemental electrical power systems and methods | |
| US20080238205A1 (en) | Hybrid green uninterruptible power system and bi-directional converter module and power conversion method thereof | |
| US11894684B2 (en) | UHVDC converter transformer re-usage for LCC to VSC upgrade | |
| EP3203598A1 (en) | Medium and high voltage grid-connected power generation system, medium and high voltage grid-connected system and control unit thereof | |
| CN106655125A (en) | Online exiting method for single valve bank in hybrid direct-current system | |
| CN113037104B (en) | Power supply circuit of air lock gate | |
| CN109361213A (en) | A kind of Hybrid HVDC Cascade System inverter extractor and method | |
| CN109039072A (en) | A kind of bipolar two-way DC converter and its control method and control device | |
| CN211852960U (en) | Electric actuating mechanism debugging device and actuating system | |
| CN110768365B (en) | Frequency converter system with redundant power supply and control method thereof | |
| Gorla et al. | A fault tolerant control approach for a three-stage cascaded multilevel solid state transformer | |
| CN113437795B (en) | Mobile box transformer substation vehicle with input voltage automatic switching function | |
| CN104037934A (en) | Spare power automatic switching emergency device and method for power utilization system of transformer substation | |
| CN112398411B (en) | Variable frequency electronic device, control device and driving method thereof | |
| US12095308B2 (en) | Power supply device and power supply system | |
| JP4660524B2 (en) | On-site power supply equipment for power plants | |
| CN110492595A (en) | A kind of DC power supply automatic switching control equipment and system | |
| CN216086243U (en) | UPS standby circuit | |
| JPH02136067A (en) | Input voltage switching converter circuit | |
| CN219659476U (en) | Remote control test device for power communication power supply | |
| CN106786488B (en) | A kind of redundancy and the direct current stick power supply device that averraged power | |
| CN110994783B (en) | Uninterruptible power supply and control method thereof | |
| CN215419712U (en) | Elevator emergency power supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |