CN217386526U - Nuclear power station sound alarm system training device - Google Patents
Nuclear power station sound alarm system training device Download PDFInfo
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- CN217386526U CN217386526U CN202220569181.XU CN202220569181U CN217386526U CN 217386526 U CN217386526 U CN 217386526U CN 202220569181 U CN202220569181 U CN 202220569181U CN 217386526 U CN217386526 U CN 217386526U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a real device of instructing of nuclear power station sound alarm system, its PLC that includes analog operation unit, analog operation unit connection, with alarm drawer analog unit and siren drive analog unit that PLC connects and with the siren analog unit that siren drive analog unit connects. The utility model discloses an utilize each component among each analog unit simulation sound alarm system, not only with low costs, small, convenient operation, can also improve work efficiency to can be under the condition of sound alarm system normal function, the off-line upgrades sound alarm system and verifies, the tactics is verified, purpose such as safety reinforcement verification, training practice are verified, avoids influencing all ring edge borders.
Description
Technical Field
The utility model relates to a real technical field that instructs especially relates to a real device of instructing of nuclear power station sound alarm system.
Background
The sound alarm system bears the responsibility of nuclear emergency information release, and can respectively send out different sound alarm signals under different levels of accident conditions of the nuclear power station to inform personnel of a nuclear power base to enter a standby state, an emergency state or an evacuation state. While the acoustic alarm system design of some nuclear power plants has been in use for many years, as nuclear power plants have increased demands on the functionality and reliability of the acoustic alarm system, it has the following drawbacks: the alarm signal has sensitivity and specificity, and upgrading and reinforcing strategies are inconvenient for online testing; the volume of the sound alarm system is large, the whole nuclear power station is covered, the volume of the alarm drawer driven on site is large, the cost is high, and the training and the practical operation are extremely inconvenient.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in that, to at least one defect that prior art exists, a real device of instructing of nuclear power station audible alarm system is provided.
The utility model provides a technical scheme that its technical problem adopted is: a nuclear power station acoustic alarm system training device is constructed, and the device comprises:
the simulation operation unit can simulate alarm signals output when accidents happen at different positions of the nuclear power station according to the operation instructions;
the PLC is connected with the analog operation unit to receive the alarm signal output by the analog operation unit;
the alarm drawer simulation unit is connected with the PLC to receive a drawer driving signal which is output by the PLC and used for simulating and controlling an alarm drawer, and the alarm drawer simulation unit also outputs a working state feedback signal to the PLC;
an alarm driving simulation unit connected with the PLC and capable of receiving an alarm instruction signal output by the PLC;
and the alarm simulation unit is connected with the alarm driving simulation unit to receive the alarm driving signal output by the alarm driving simulation unit.
The practical training device for the nuclear power station sound alarm system also comprises a human-computer interaction unit for expanding and simulating different nuclear power station sound alarm systems; the human-computer interaction unit is connected with the PLC.
In the practical training device of the nuclear power station sound alarm system of the utility model, the analog operation unit comprises a first switch, a second switch and two analog operation circuits;
the input end of the first switch is used for connecting an input power supply, and the input end of the analog operation circuit is connected between the first output end of the first switch and the PLC;
the second output end of the first switch is connected with the input end of the second switch, and the input end of the other analog operation circuit is connected between the first output end of the second switch and the PLC.
In the practical training device for nuclear power station acoustic alarm system of the present invention, each of the two analog operation circuits comprises at least one alarm analog button, at least one alarm analog button indicator corresponding to the at least one alarm analog button, and at least one indicator driving relay corresponding to the at least one alarm analog button;
the input of alarm analog button is analog operation circuit's input, the output of alarm analog button is connected PLC, the excitation coil of pilot lamp drive relay is connected between PLC and ground, the normally open contact of pilot lamp drive relay is used for connecting input power supply, the public contact warp of pilot lamp drive relay the alarm analog button pilot lamp is connected to ground.
In the practical training device for nuclear power station acoustic alarm system of the present invention, each of the two analog operation circuits further comprises at least one analog warning lamp corresponding to the at least one alarm analog button and at least one warning lamp driving relay corresponding to the at least one alarm analog button;
the excitation coil of warning light drive relay is connected between PLC and the ground, the normally open contact of warning light drive relay is used for connecting input power, the public contact warp of warning light drive relay simulation warning light is connected to ground.
In the practical training device for the nuclear power station sound alarm system of the utility model, each of the two analog operation circuits further comprises an acknowledgement alarm button, an acknowledgement alarm button indicator light, an acknowledgement button indicator light driving relay, a light test button indicator light and a buzzer;
the confirmation alarm button is connected between the input of the analog operation circuit and the PLC, the exciting coil of the confirmation button indicator lamp driving relay is connected between the PLC and the ground, the normally open contact of the confirmation button indicator light driving relay is used for connecting the input power supply, the common contact of the confirmation button indicator light driving relay is connected to the ground through the confirmation alarm button indicator light, the input end of the lamp test button is used for connecting the input power supply, the output end of the lamp test button is connected with the normally closed contact of the indicator lamp drive relay, the normally closed contact of the warning lamp drive relay, the normally closed contact of the confirmation button indicator lamp drive relay and the input end of the lamp test button indicator lamp, the output end of the lamp test button indicator lamp is grounded, and the buzzer is connected between the PLC and the ground.
In the practical training device for nuclear power station acoustic alarm system of the present invention, the alarm drawer simulation unit includes at least one alarm drawer indication unit, at least one drawer driving relay corresponding to the at least one alarm drawer indication unit, and at least one drawer fault simulation switch corresponding to the at least one alarm drawer indication unit;
wherein each of the at least one alarm drawer indication units comprises an operation indicator light, a stop indicator light, and a fault indicator light;
drawer fault analog switch's input is used for connecting input power, drawer fault analog switch's output is connected PLC with fault indicator's input, fault indicator's output ground connection, drawer drive relay's excitation coil is connected between PLC and the ground, drawer drive relay's common contact is used for connecting input power, drawer drive relay's first normally open contact with drawer drive relay's first normally closed contact is connected PLC, drawer drive relay's second normally open contact warp operation indicator is connected to ground, drawer drive relay's second normally closed contact warp stop indicator is connected to ground.
In the practical training device for the nuclear power station acoustic alarm system of the present invention, the alarm driving simulation unit includes at least one alarm driving relay corresponding to the at least one drawer driving relay;
the excitation coil of the alarm driving relay is connected with the excitation coil of the drawer driving relay in parallel, the common contact of the alarm driving relay is used for being connected with the input power supply, and the normally open contact of the alarm driving relay is connected with the alarm simulation unit.
In the practical training device for the nuclear power station acoustic alarm system of the present invention, the alarm simulation unit includes at least one alarm simulation lamp corresponding to the at least one alarm driving relay;
the normally open contact of the alarm drive relay is connected to ground through the alarm analog lamp.
The practical training device for the nuclear power station acoustic alarm system further comprises a cabinet body, wherein the PLC, the alarm drawer simulation unit, the alarm drive simulation unit and the alarm simulation unit are arranged in the cabinet body; wherein, the first switch, the second switch, alarm simulation button pilot lamp, confirm alarm button pilot lamp, lamp test button, alarm drawer indicating unit, lamp test button pilot lamp, alarm simulation lamp, and the human-computer interaction unit sets up on the counter of the cabinet body.
The utility model discloses following beneficial effect has: the utility model provides a real device of instructing of nuclear power station sound alarm system, through the alarm signal of output when the simulation operation unit simulation nuclear power station different positions takes place the accident, PLC controls alarm drawer analog unit according to alarm signal to simulation alarm drawer work, PLC still controls siren drive analog unit work according to alarm drawer analog unit output operating condition feedback signal, and then drives siren analog unit simulation siren work. The utility model discloses an utilize each component among each analog unit simulation sound alarm system of relay and pilot lamp combination, not only with low costs, small, convenient operation, can also improve work efficiency to can be under the condition of sound alarm system normal function, the off-line upgrades verification, tactics verification, safety reinforcement verification, training purpose such as real behaviour to sound alarm system, avoid influencing all ring edge borders.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a structural diagram of a practical training device of a nuclear power station acoustic alarm system provided by the present invention;
fig. 2 is a first implementation circuit diagram of the practical training device of the nuclear power station acoustic alarm system provided by the present invention;
fig. 3 is a second implementation circuit diagram of the practical training device of the nuclear power station acoustic alarm system provided by the present invention;
fig. 4 is a third implementation circuit diagram of the practical training device of the nuclear power station acoustic alarm system provided by the present invention;
fig. 5 is a fourth implementation circuit diagram of the practical training device of the nuclear power station acoustic alarm system provided by the present invention;
fig. 6 is a fifth implementation circuit diagram of the practical training device of the nuclear power station acoustic alarm system.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the utility model discloses a real device of instructing of nuclear power station sound alarm system has been constructed, and it includes: a simulation operation unit 10 which can simulate the alarm signals output when accidents happen at different positions of the nuclear power station according to the operation instructions; a PLC20 connected to the analog operation unit 10 to receive an alarm signal outputted therefrom; an alarm drawer simulation unit 30 connected to the PLC20 to receive a drawer driving signal for simulation control of an alarm drawer output therefrom, the alarm drawer simulation unit 30 further outputting an operation state feedback signal to the PLC 20; an alarm driving simulation unit 40 connected to the PLC20 and capable of receiving an alarm command signal output therefrom; and an alarm simulation unit 50 connected to the alarm drive simulation unit 40 to receive the alarm drive signal outputted therefrom.
As shown in fig. 1, in some embodiments, the practical training apparatus for an acoustic alarm system of a nuclear power plant further includes a human-computer interaction unit 60 for expanding simulation of different acoustic alarm systems of a nuclear power plant. Specifically, the human-computer interaction unit 60 is connected with the PLC 20. More specifically, the human-computer interaction unit 60 may also replace the simulation operation unit 10 to send an operation instruction to the PLC, so that the nuclear power plant acoustic alarm system practical training device performs simulation demonstration, and may also simulate an operation interface and an operation mode of an acoustic alarm system of different nuclear power plants and a working state of the alarm drawer simulation unit 30, so as to simulate operation situations in different nuclear power plants as much as possible. The human-computer interaction unit 60 may be a tablet computer.
As shown in fig. 2, in some embodiments, the analog operation unit 10 includes a first switch 101, a second switch 102, and two analog operation circuits 103. Specifically, the input terminal of the first switch 101 is used for connecting an input power supply, the input terminal of an analog operation circuit 103 is connected between the first output terminal of the first switch 101 and the PLC20, the second output terminal of the first switch 101 is connected to the input terminal of the second switch 102, and the input terminal of another analog operation circuit 103 is connected between the first output terminal of the second switch 102 and the PLC 20.
In some embodiments, the first switch 101 and the second switch 102 may be key switches, the input terminals of the key switches are input terminals of the first switch 101 or the second switch 102, and the first output terminal and the second output terminal of the key switches correspond to the first output terminal and the second output terminal of the first switch 101 or the second switch 102, respectively. If the key switch is turned on, the input end of the key switch is closed with the first output end of the key switch, otherwise, the input end of the key switch is closed with the second output end of the key switch. It can be understood that, since the input power on/off of the second switch 102 is controlled by the first switch 101, when the analog operation circuit 103 connected to the first switch 101 is powered on, the analog operation circuit 103 connected to the second switch 102 is powered off, resulting in abnormal operation, i.e. the two analog operation circuits 103 in this embodiment have priority, and the priority of the analog operation circuit 103(KPR console) connected to the first switch 101 is higher than that of the analog operation circuit 103(MCR console) connected to the second switch 102.
As shown in fig. 2, 3, in some embodiments, each of the two analog operation circuits 103 includes at least one alarm analog button 1031, at least one alarm analog button indicator light 1032 corresponding to the at least one alarm analog button 1031, and at least one indicator light driving relay 1033 corresponding to the at least one alarm analog button 1031. Each of the alarm analog buttons 1031 is combined with its corresponding alarm analog button indicator lamp 1032 and indicator lamp driving relay 1033 into an alarm analog unit for analog output of an alarm signal in case of an accident at a different location. Referring to fig. 2, the alarm simulation buttons may include, but are not limited to, a total base in-and-out alarm simulation button, a total base plant emergency alarm simulation button, a fuel plant emergency alarm simulation button, and a reactor plant emergency alarm simulation button.
Specifically, the specific connection relationship of the single alarm simulation unit is as follows: the input end of the alarm analog button 1031 is the input end of the analog operation circuit 103, the output end of the alarm analog button 1031 is connected with the PLC20, the exciting coil of the indicator light driving relay 1033 is connected between the PLC20 and the ground, the normally open contact of the indicator light driving relay 1033 is used for connecting an input power supply, and the common contact of the indicator light driving relay 1033 is connected to the ground through the alarm analog button indicator light 1032.
As shown in fig. 3, in some embodiments, each of the two analog operation circuits 103 further includes at least one analog warning lamp 1034 corresponding to the at least one alarm analog button 1031, and at least one warning lamp driving relay 1035 corresponding to the at least one alarm analog button 1031. Each analog warning light 1034 and the corresponding warning light driving relay 1035 are combined into one warning unit, and the warning unit is used for displaying the position where an accident occurs, for example, when an accident occurs inside and outside the whole base site, the inside and outside analog warning lights 1034 of the whole base site are on. Correspondingly, the simulated warning lights 1034 may include, but are not limited to, full-base in-and-out simulated warning lights, full-base plant emergency simulated warning lights, fuel plant emergency simulated warning lights, and reactor plant emergency simulated warning lights.
Specifically, the specific connection relationship of the single warning unit is as follows: the field coil of warning light drive relay 1035 is connected between PLC20 and ground, the normally open contact of warning light drive relay 1035 is used for connecting the input power, and the common contact of warning light drive relay 1035 is connected to ground through analog warning light 1034.
As shown in fig. 2, 3, in some embodiments, each of the two analog operation circuits 103 further includes an acknowledgement alarm button 1036, an acknowledgement alarm button indicator light 1037, an acknowledgement button indicator light driving relay 1038, a light test button 1039, a light test button indicator light 10311, and a buzzer 10312.
Specifically, the confirmation alarm button 1036 is connected between the input terminal of the analog operation circuit 103 and the PLC20, the excitation coil of the confirmation button indicator lamp driving relay 1038 is connected between the PLC20 and the ground, the normally open contact of the confirmation button indicator lamp driving relay 1038 is used for connecting an input power supply, the common contact of the confirmation button indicator lamp driving relay 1038 is connected to the ground through the confirmation alarm button indicator lamp 1037, the input terminal of the lamp test button 1039 is used for connecting the input power supply, the output terminal of the lamp test button 1039 is connected with the normally closed contact of the indicator lamp driving relay 1033, the normally closed contact of the warning lamp driving relay 1035, the normally closed contact of the confirmation button indicator lamp driving relay 1038 and the input terminal of the lamp test button indicator lamp 10311, the output terminal of the lamp test button indicator lamp 10311 is grounded, and the buzzer 10312 is connected between the PLC20 and the ground.
As shown in fig. 4, 5, in some embodiments, the alarm drawer simulation unit 30 includes at least one alarm drawer indication unit 301, at least one drawer driving relay 302 corresponding to the at least one alarm drawer indication unit 301, and at least one drawer fault simulation switch 303 corresponding to the at least one alarm drawer indication unit 301. Wherein each alarm drawer indicating unit 301 is combined with its corresponding drawer drive relay 302 and drawer fault simulation switch 303 into one simulated drive drawer for simulating a drive drawer in an audible alarm system. Referring to fig. 4, 5, the alarm drawer simulation unit may include fifteen alarm drawer indication units 301 (not fully illustrated in fig. 4), fifteen drawer drive relays 302, and fifteen drawer fault simulation switches 303 (not fully illustrated in fig. 4). In some embodiments, each alarm drawer indication unit 301 of the at least one alarm drawer indication unit 301 includes a run indicator light 3011, a stop indicator light 3012, and a fault indicator light 3013.
Specifically, the specific connection relationship of the single analog driving drawer is as follows: the input end of drawer fault simulation switch 303 is used for connecting an input power supply, the input ends of PLC20 and fault indicator 3013 are connected to the output end of drawer fault simulation switch 303, fault indicator 3013's output end is grounded, the excitation coil of drawer drive relay 302 is connected between PLC20 and ground, the common contact of drawer drive relay 302 is used for connecting the input power supply, PLC20 is connected to the first normally open contact of drawer drive relay 302 and the first normally closed contact of drawer drive relay 302, the second normally open contact of drawer drive relay 302 is connected to ground through operation indicator 3011, the second normally closed contact of drawer drive relay 302 is connected to ground through stop indicator 3012.
As shown in fig. 5, in some embodiments, alarm drive simulation unit 40 includes at least one alarm drive relay corresponding to at least one drawer drive relay 302. Further, the alarm driving simulation unit 40 may include fifteen alarm driving relays corresponding to the number of the drawer driving relays 302.
The specific connection relationship between the alarm drive relay and its corresponding drawer drive relay 302 is as follows: the exciting coil of the alarm drive relay is connected in parallel with the exciting coil of the drawer drive relay 302, the common contact of the alarm drive relay is used for connecting an input power supply, and the normally open contact of the alarm drive relay is connected with the alarm simulation unit 50.
As shown in fig. 6, in some embodiments, the alarm simulation unit 50 includes at least one alarm simulation lamp corresponding to at least one alarm driving relay. Wherein each alarm analog lamp correspondingly simulates an alarm, and the alarm analog unit 50 may include fifteen alarm analog lamps. Specifically, the normally open contact of the alarm drive relay is connected to the ground through the alarm analog lamp.
In some embodiments, the practical training device for the nuclear power plant acoustic alarm system further comprises a cabinet body, wherein the PLC20, the alarm drawer simulation unit 30, the alarm driving simulation unit 40 and the alarm simulation unit 50 are arranged in the cabinet body; wherein the first switch 101, the second switch 102, the alarm analog button 1031, the alarm analog button indicator lamp 1032, the confirmation alarm button 1036, the confirmation alarm button indicator lamp 1037, the lamp test button 1039, the alarm drawer indication unit 301, the lamp test button indicator lamp 10311, the alarm analog lamp, and the human-computer interaction unit 60 are disposed on the cabinet surface of the cabinet.
Referring to fig. 1-6, the operating principle of the practical training device for the nuclear power plant acoustic alarm system is as follows:
A. turning on the first switch 101 or the second switch 102 to power on the analog operation circuit 103, taking the example that the alarm analog button a1 is pressed, assuming that the alarm analog button a1 is a full-base indoor and outdoor alarm analog button, and the alarm analog button a1 corresponds to the indicator light driving relay a2, when the PLC20 detects a high level, the indicator light driving relay a2 is excited, the normally open contact of the indicator light driving relay a2 is closed, and the alarm analog button indicator light A3 is turned on, which indicates that the PLC20 has detected that the alarm analog button a1 has been pressed; the PLC20 also excites the warning light driving relay B1 and lights the analog warning light B2, thereby notifying the operator of an accident occurring inside or outside the entire base site;
assuming that the drawer driving relay OBA1 corresponds to an alarm drawer inside and outside a full base field, the PLC20 may excite the drawer driving relay OBA1 in fig. 4, two normally open contacts of the drawer driving relay OBA1 in fig. 3 are closed at the same time, the first normally open contact is converted into a high level to be input to the PLC20 as a working state feedback signal, so as to inform the PLC20 that the drawer driving relay OBA1 is in a running state, and further, the human-computer interaction unit 60 displays a corresponding working state; when the second normally open contact is closed, an operation indicator light 3011 in the alarm drawer indicating unit OBA3 is lightened to simulate and display that the drawer driving relay OBA1 is in an operation state; when the drawer driving relay OBA1 is demagnetized, the first normally closed contact and the second normally closed contact of the drawer driving relay OBA1 are closed, the first normally closed contact of the drawer driving relay OBA1 is at a high level, the PLC20 is informed that the drawer driving relay OBA1 is in a stop state, and the human-computer interaction unit 60 is enabled to display a corresponding working state; the second normally closed contact of drawer drive relay OBA1 is closed, turning on stop indicator light 3012 in alarm drawer indication unit OBA3 to simulate display that drawer drive relay OBA1 is in a stop state; when the drawer fault analog switch OBA4 is pressed down, the output end of the drawer fault analog switch OBA4 is converted into a high level, the PLC20 is informed that the drawer driving relay OBA1 is in a fault state, the man-machine interaction unit 60 is enabled to display a corresponding working state, meanwhile, a fault indicator lamp 3013 in the alarm drawer indicating unit OBA3 is lightened to simulate and display that the drawer driving relay OBA1 is in the fault state, and the PLC is enabled to prohibit the drawer driving relay OBA1 and the alarm driving relay OBA2 from being excited;
assuming that the alarm driving relay OBA2 is an alarm driving device inside and outside a total base station, referring to fig. 4, the PLC20 excites the drawer driving relay OBA1 and also excites the alarm driving relay OBA2, so that the normally open contact of the alarm driving relay OBA2 in fig. 5 is closed, the alarm analog lamp OAB5 is turned on, and the start of an alarm inside and outside the total base station is simulated; the PLC20 can drive the buzzer 10312 in FIG. 3 to generate sound for sound warning;
it can be understood that the above principle a belongs to the simple illustration for helping the reader to understand the working principle of the present invention, that is, when an accident occurs inside or outside the simulated full-base field or at other positions, a plurality of drawer driving relays and alarm driving relays can be simultaneously driven in a simulated manner as required.
B. Referring to fig. 2, after the operator presses the confirm alarm button 1036, the PLC20 detects that the corresponding input port is switched to a high level, and resets the input port to an initial state, so that the operator can simulate an accident at a different location of the nuclear power plant; additionally, the PLC20 will also energize the confirmation button indicator light drive relay 1038 to illuminate the confirmation alert button indicator light 1037.
C. Referring to fig. 3, an operator pressing the lamp test button 1039 may simultaneously illuminate the alarm analog button indicator lamp 1032, the analog warning lamp 1034, and the confirmation alarm button indicator lamp 1037 and the lamp test button indicator lamp 10311 to verify that the above lamps function normally; wherein the lamp test button indicates that the lamp 10311 is lit indicating that the lamp test button 1039 has been pressed.
It can be understood, the utility model discloses an utilize each component among each analog unit simulation audible alarm system of relay and pilot lamp combination, not only with low costs, small, convenient operation can also improve work efficiency to can be under the condition of the normal function of audible alarm system, the off-line upgrades the audible alarm system and verifies, the tactics is verified, the security is consolidated and is verified, purpose such as training real operation, avoids influencing all ring edge borders.
It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (10)
1. The utility model provides a real device of instructing of nuclear power station sound alarm system which characterized in that includes:
a simulation operation unit (10) which can simulate the alarm signals output when accidents happen at different positions of the nuclear power station according to the operation instructions;
a PLC (20) connected to the analog operation unit (10) to receive the alarm signal outputted therefrom;
an alarm drawer simulation unit (30) connected to the PLC (20) to receive a drawer driving signal for simulation control of an alarm drawer output therefrom, the alarm drawer simulation unit (30) further outputting an operation state feedback signal to the PLC (20);
an alarm driving simulation unit (40) connected to the PLC (20) and capable of receiving an alarm command signal outputted from the PLC;
an alarm simulation unit (50) connected to the alarm drive simulation unit (40) to receive an alarm drive signal output therefrom.
2. The practical training device for nuclear power plant acoustic alarm systems according to claim 1, further comprising a human-computer interaction unit (60) for extended simulation of different nuclear power plant acoustic alarm systems; the human-computer interaction unit (60) is connected with the PLC (20).
3. The nuclear power plant acoustic alarm system training device according to claim 2, wherein the analog operation unit (10) includes a first switch (101), a second switch (102), and two analog operation circuits (103);
the input end of the first switch (101) is used for connecting an input power supply, and the input end of the analog operation circuit (103) is connected between the first output end of the first switch (101) and the PLC (20);
the second output end of the first switch (101) is connected with the input end of the second switch (102), and the input end of the other analog operation circuit (103) is connected between the first output end of the second switch (102) and the PLC (20).
4. The nuclear power plant acoustic alarm system practical training device according to claim 3, wherein each of the two analog operation circuits (103) comprises at least one alarm analog button (1031), at least one alarm analog button indicator light (1032) corresponding to the at least one alarm analog button (1031), and at least one indicator light driving relay (1033) corresponding to the at least one alarm analog button (1031);
the input end of the alarm analog button (1031) is the input end of the analog operation circuit (103), the output end of the alarm analog button (1031) is connected with the PLC (20), the exciting coil of the indicator light driving relay (1033) is connected between the PLC (20) and the ground, the normally open contact of the indicator light driving relay (1033) is used for connecting the input power supply, and the common contact of the indicator light driving relay (1033) is connected to the ground through the alarm analog button indicator light (1032).
5. The nuclear power plant acoustic alarm system training device according to claim 4, wherein each of the two analog operating circuits (103) further comprises at least one analog warning lamp (1034) corresponding to the at least one alarm analog button (1031) and at least one warning lamp driving relay (1035) corresponding to the at least one alarm analog button (1031);
the excitation coil of the warning lamp driving relay (1035) is connected between the PLC (20) and the ground, the normally open contact of the warning lamp driving relay (1035) is used for connecting the input power supply, and the common contact of the warning lamp driving relay (1035) is connected to the ground through the analog warning lamp (1034).
6. The practical training device for nuclear power plant acoustic alarm system according to claim 5, wherein each analog operation circuit (103) of the two analog operation circuits (103) further comprises an acknowledge alarm button (1036), an acknowledge alarm button indicator lamp (1037), an acknowledge button indicator lamp driving relay (1038), a lamp test button (1039), a lamp test button indicator lamp (10311), and a buzzer (10312);
the confirmation alarm button (1036) is connected between the input terminal of the analog operation circuit (103) and the PLC (20), the exciting coil of the confirmation button indicator lamp driving relay (1038) is connected between the PLC (20) and the ground, the normally open contact of the confirmation button indicator lamp driving relay (1038) is used for connecting the input power source, the common contact of the confirmation button indicator lamp driving relay (1038) is connected to the ground via the confirmation alarm button indicator lamp (1037), the input terminal of the lamp test button (1039) is used for connecting the input power source, the output terminal of the lamp test button (1039) is connected to the normally closed contact of the indicator lamp driving relay (1033), the normally closed contact of the warning lamp driving relay (1035), the normally closed contact of the confirmation button indicator lamp driving relay (1038), and the input terminal of the lamp test button indicator lamp (10311), the output end of the lamp test button indicator lamp (10311) is grounded, and the buzzer (10312) is connected between the PLC (20) and the ground.
7. The nuclear power plant acoustic alarm system training device according to claim 6, wherein the alarm drawer simulation unit (30) comprises at least one alarm drawer indication unit (301), at least one drawer drive relay (302) corresponding to the at least one alarm drawer indication unit (301), and at least one drawer fault simulation switch (303) corresponding to the at least one alarm drawer indication unit (301);
wherein each alarm drawer indication unit (301) of the at least one alarm drawer indication unit (301) comprises a run indicator light (3011), a stop indicator light (3012) and a fault indicator light (3013);
the input end of the drawer fault analog switch (303) is used for being connected with the input power supply, the output end of the drawer fault analog switch (303) is connected with the input ends of the PLC (20) and the fault indicator lamp (3013), the output end of the fault indicating lamp (3013) is grounded, the exciting coil of the drawer driving relay (302) is connected between the PLC (20) and the ground, a common contact of the drawer driving relay (302) is used for connecting the input power supply, a first normally open contact of the drawer driving relay (302) and a first normally closed contact of the drawer driving relay (302) are connected with the PLC (20), the second normally open contact of the drawer driving relay (302) is connected to the ground through the operation indicating lamp (3011), the second normally closed contact of the drawer drive relay (302) is connected to ground via the stop indicator (3012).
8. The nuclear power plant acoustic alarm system training device according to claim 7, wherein the alarm drive simulation unit (40) includes at least one alarm drive relay corresponding to the at least one drawer drive relay (302);
the excitation coil of the alarm drive relay is connected with the excitation coil of the drawer drive relay (302) in parallel, the common contact of the alarm drive relay is used for connecting the input power supply, and the normally open contact of the alarm drive relay is connected with the alarm simulation unit (50).
9. The nuclear power plant acoustic alarm system training device according to claim 8, wherein the alarm simulation unit (50) includes at least one alarm simulation lamp corresponding to the at least one alarm drive relay;
the normally open contact of the alarm drive relay is connected to ground through the alarm analog lamp.
10. The practical training device for nuclear power plant acoustic alarm system according to claim 9, further comprising a cabinet, wherein the PLC (20), the alarm drawer simulation unit (30), the alarm drive simulation unit (40), and the alarm simulation unit (50) are disposed in the cabinet; wherein the first switch (101), the second switch (102), the alarm analog button (1031), the alarm analog button indication lamp (1032), the confirmation alarm button (1036), the confirmation alarm button indication lamp (1037), the lamp test button (1039), the alarm drawer indication unit (301), the lamp test button indication lamp (10311), the alarm analog lamp, and the human-machine interaction unit (60) are disposed on a cabinet surface of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220569181.XU CN217386526U (en) | 2022-03-16 | 2022-03-16 | Nuclear power station sound alarm system training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220569181.XU CN217386526U (en) | 2022-03-16 | 2022-03-16 | Nuclear power station sound alarm system training device |
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