CN206876830U - A kind of emergency-off device and flight simulator - Google Patents
A kind of emergency-off device and flight simulator Download PDFInfo
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- CN206876830U CN206876830U CN201721250954.3U CN201721250954U CN206876830U CN 206876830 U CN206876830 U CN 206876830U CN 201721250954 U CN201721250954 U CN 201721250954U CN 206876830 U CN206876830 U CN 206876830U
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Abstract
The utility model embodiment discloses a kind of emergency-off device and flight simulator.Wherein, the emergency-off device includes：Main switch, in current supply circuit；At least two emergency stop switch modules, the first contact of each emergency stop switch module are located in control loop, for when at least one emergency stop switch module is first state, the main switch on current supply circuit will be controlled to disconnect；At least two switching input modules, corresponded with each emergency stop switch module, input connects with the both ends of the second contact of corresponding emergency stop switch module, output end is electrically connected to communication bus, when for emergency stop switch module corresponding to monitoring be first state, by communication bus to fire alarm control unit transmission coding information；Fire alarm control unit is used for the position for the emergency stop switch module for according to the coding information on communication bus, determining that current switch states are first state.The position for the emergency stop switch module that the recognizable positioning of the technical scheme of the utility model embodiment is pressed, improve the convenience of operation.
Description
Technical field
It the utility model is related to field of circuit technology, more particularly to a kind of emergency-off device and flight simulator.
Background technology
Flight simulator (Flight Simulator) is used for the machine of simulated flight device flight, and on ground, can manipulates
Flight simulator, its method with practical flight device, and the sensation that aircraft flies in the air can be experienced.Flight mould
Plan machine can be used for training aircrew, it is grasped the correlation technique such as piloting technique and navigator, and some complex devices
Application method.Flight simulator is generally by analog capsule cabin, kinematic system, visual system, computer system and instructor console
Deng five most of compositions.Wherein, kinematic system is the change for simulating the posture and speed of aircraft, so that the body of pilot
Feel the motion of aircraft.Visual system is the scene outside the cockpit seen for simulated flight person, so that pilot
Situations such as judging posture, position, height, speed and the weather of aircraft.Computer system is in the nerve of flight simulator
Pivot.Instructor station is the Surveillance center of flight simulator, is mainly used to monitor and controls flight training situation.
Would generally flight simulator everywhere (such as：Instructor station, kinematic system switch board, analog capsule cabin top and bottom
Deng) installation emergency stop switch, when in the hole or when needing repairing, the button of any emergency stop switch can be pressed, to realize and
When cut off the electricity supply, arrestment operating, reach protection the person and equipment safety.However, when equipment recovers normal, it is necessary to again
Click the button for the emergency stop switch being pressed and turn clockwise 45 degree, then switch on power.If forget the jerk once pressed
The position of switch, operating personnel need to be checked the switch of all positions one by one, to find the emergency stop switch once pressed.
Utility model content
The utility model embodiment provides a kind of emergency-off device and flight simulator, the urgency being pressed with identification positioning
The position of guard's valve module, improve the convenience of operation.
In a first aspect, the utility model embodiment provides a kind of emergency-off device, including：
Main switch, in current supply circuit；
At least two emergency stop switch modules, each emergency stop switch module include the first consistent contact of on off state change and
Second contact, wherein, the first contact of each emergency stop switch module is located in control loop, for when at least one emergency stop switch mould
When block is first state, the main switch on current supply circuit will be controlled to disconnect；
At least two switching input modules, are corresponded with each emergency stop switch module, and input is opened with corresponding jerk
The both ends connection of the second contact of module is closed, output end is electrically connected to communication bus, for monitoring corresponding emergency stop switch mould
When block is first state, coding information is sent to fire alarm control unit by communication bus；
Fire alarm control unit is used for according to the coding information on communication bus, and it is first state to determine current switch states
Emergency stop switch module position.
Further, emergency stop switch module is button switch.
Further, emergency stop switch module is self-lock switch.
Further, in addition to the first breaker, the first breaker include contact and undervoltage trip coil；First breaker
Contact as main switch, wherein, the first contact of at least two emergency stop switch modules, and the undervoltage tripping of the first breaker
Coil is connected in series；The contact of first breaker is located in current supply circuit.
Further, first state is disconnection；The first contact and the second contact of at least two emergency stop switch modules are
Normally-closed contact.
Further, in addition to the second breaker and the first relay, the second breaker include contact and undervoltage tripping line
Circle；The contact of second breaker as main switch, wherein, the connection of the first contact shunt of at least two emergency stop switch modules；The
The coil of one relay is connected serially to one end of multiple first contacts of parallel connection；Owed with the second breaker the contact of first relay
Pressure tripping coil is electrically connected in series end；The contact of second breaker is located in current supply circuit.
Further, first state is closure；The first contact and the second contact of at least two emergency stop switch modules are
Normally opened contact；The contact of first relay is normally-closed contact.
Second aspect, the utility model embodiment additionally provide a kind of flight simulator, including the utility model is arbitrarily real
Emergency-off device, power distribution cabinet and the electrical equipment of example offer are provided,
Wherein, main switch of the input of power distribution cabinet through emergency-off device is connected to Alternating Current Power Supply line, and output end is with using
Electric equipment electrically connects.
Further, electrical equipment includes teacher's bench control system and kinematic system, and emergency stop switch module distribution is following
At least one position：At instructor station, at kinematic system switch board, at the top of analog capsule cabin bottom and analog capsule cabin.
Further, in addition to multiple code-shaped cigarette senses, the output end of code-shaped cigarette sense pass through communication bus and fire report
Alert controller electrical connection.
The technical scheme of the utility model embodiment is by the way that the second contact access one of each emergency stop switch module is switched
Input module is measured, when it is first state that corresponding switching input module, which monitors corresponding emergency stop switch module, by logical
Believe that bus sends coding information to fire alarm control unit, fire alarm control unit is according to the coding information on communication bus, really
The position for the emergency stop switch module that current switch states are first state is determined, to solve operating personnel in the jerk for forgetting once to press
During the position of switch, the switch of all positions need to be checked one by one, the problem of to find the emergency stop switch once pressed.
Brief description of the drawings
Fig. 1 is a kind of structural representation for emergency-off device that the utility model embodiment provides；
Fig. 2 is the structural representation for another emergency-off device that the utility model embodiment provides；
Fig. 3 is a kind of structural representation for flight simulator that the utility model embodiment provides；
Fig. 4 is the structural representation for another flight simulator that the utility model embodiment provides.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than to restriction of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
The utility model embodiment provides a kind of emergency-off device.Fig. 1 is one kind that the utility model embodiment provides
The structural representation of emergency-off device, as shown in figure 1, the emergency-off device includes：Main switch, in current supply circuit,
I.e. main switch is serially connected with current supply circuit；At least two emergency stop switch modules 110, each emergency stop switch module 110 include switch
State change consistent the first contact 111 and the second contact 112, wherein, the first contact 111 of each emergency stop switch module 110
In control loop, for when at least one emergency stop switch module 110 is first state, the master on current supply circuit will be controlled to open
Shut-off is opened；At least two switching input modules 130, corresponded with each emergency stop switch module 110, input and corresponding urgency
The both ends connection of second contact 112 of guard's valve module 110, output end is electrically connected to communication bus, corresponding to monitoring
When emergency stop switch module 110 is first state, coding information is sent to fire alarm control unit 140 by communication bus；Fire
Alarm controller 140 is used to according to the coding information on communication bus, determine that the jerk that current switch states are first state is opened
Close the position of module 110.
Wherein, the utility model embodiment is not limited the number of emergency stop switch module, Fig. 1 it is exemplary draw two
Emergency stop switch module 110.At least two emergency stop switch modules 110 can be distributed in different positions.First contact 111 and second
The on off state change of contact 112 is consistent, that is, simultaneously switches off, be closed at.The state of emergency stop switch module be the first contact and
The on off state of second contact.The coding information of at least two switching input module is different, therefore fire alarm control unit can
According to coding information, position of the current switch states for the emergency stop switch module of first state is determined.Can be in advance to each switch
Amount input module is encoded.By controlling the main switch on current supply circuit to be opened or closed, realize current supply circuit open circuit or
Path.Switching input module can detect the on off state of connected contact, and monitor connected contact
For first state when, by communication bus to fire alarm control unit send coding information.First state can be disconnected or close
Close.The model of switching input module can be FDCI221-CN.
The technical scheme of the present embodiment by the second contact of each emergency stop switch module by accessing an On-off signal mould
Block, when corresponding switching input module monitor corresponding to emergency stop switch module be first state when, by communication bus to
Fire alarm control unit sends coding information, and fire alarm control unit is according to the coding information on communication bus, it is determined that currently opening
Off status is the position of the emergency stop switch module of first state, to solve operating personnel in the position for the emergency stop switch for forgetting once to press
When putting, the switch of all positions need to be checked one by one, the problem of to find the emergency stop switch once pressed, in addition, comparing
In by by the second contact portion of each emergency stop switch module to programmable logic controller (PLC) (Programmable Logic
Controller, PLC), it is necessary to which PLC detects to multiple ports, the application only needs will by switching input module
Signal is transferred on communication bus, realizes that identification positioning is pressed by existing fire alarm control unit in flight simulator
Emergency stop switch module mode, wiring is simple, and can reduce cost.
Optionally, with continued reference to Fig. 1, on the basis of above-described embodiment, emergency stop switch module 110 can be button switch.
Button 113 is provided with emergency stop switch module, can change the first contact 111 and the second contact 112 by pressing button 113
On off state.Further, emergency stop switch module 110 can be self-lock switch.Exemplary, when pressing button for the first time, first
Contact and the second contacting are simultaneously kept, i.e. self-locking, and when pressing button for the second time, the first contact and the second contact disconnect, simultaneously
Button ejection comes.
The utility model embodiment provides another emergency-off device.With continued reference to Fig. 1, on the basis of above-described embodiment
On, it is specifically that the emergency-off device also includes the first breaker 120, the first breaker 120 includes contact 121 and undervoltage tripping
Coil 122；The contact 121 of first breaker 120 is used as main switch, wherein, the first of at least two emergency stop switch modules 110 touch
Point 111, and the undervoltage trip coil 122 of the first breaker 120 are connected in series；The contact 121 of first breaker 120 is positioned at confession
In electrical circuit.First breaker 120 also includes operation handle, and operating personnel (can not drawn by the operation handle that fiddles with figure
Go out), control closure and the disconnection of the contact 121 of the first breaker 120.When by the way that the operation handle of the first breaker 120 is dialled
During to closing position, the closure of the contact 121 of the first breaker 120, if the undervoltage trip coil 122 of the first breaker 120
When both end voltage is higher than the first preset voltage value, the contact 121 of the first breaker 120 is kept closed；If the first breaker
When the both end voltage of 120 undervoltage trip coil 122 is less than the first preset voltage value, the contact 121 of the first breaker 120 will be disconnected
Open, while the operation handle of the first breaker 120 will jump to open position automatically.Further, first state is disconnection；At least
The first contact 111 and the second contact 112 of two emergency stop switch modules 110 are normally-closed contact.When not pressing button, first touches
The contact 112 of point 111 and second is closure state.
Exemplary, referring to Fig. 1, current supply circuit includes second source 50, electrical equipment 30 and main switch；Second source 50
Output end be connected to electrical equipment 30 through main switch, by controlling closure or the disconnection of main switch, to realize to electrical equipment
30 power supply or power-off.Control loop includes the first power supply 40, the undervoltage trip coil 122 of the first breaker 120 and at least two
First contact 111 of individual emergency stop switch module 110.Wherein, the first contact 111 of at least two emergency stop switch modules 110, and
The undervoltage trip coil 122 of first breaker 120 is connected in series, and the both ends after being connected in series connect the output of the first power supply 40 respectively
End and ground, by controlling the disconnection of at least one first contact 111, to control the undervoltage trip coil 122 of the first breaker 120
Both end voltage be less than the first preset voltage value, and then realize the disconnection of main switch.Wherein, the first power supply 40 can be alternating current
Source.
Operation principle：Under normal condition, the first contact 111 of at least two emergency stop switch modules 110 is closure state (this
When, the second contact 112 is also closure state), now the both end voltage of the undervoltage trip coil 122 of the first breaker 120 is higher than
First preset voltage value, and by the way that operation handle is allocated into closing position, the contact 121 of the first breaker 120 closes, the second electricity
Source 50 powers to electrical equipment 30.When emergency occurs, can by press at least one emergency stop switch module 110 by
Button, so that corresponding at least one first contact 111 is off-state so that the undervoltage trip coil 122 of the first breaker 120
Both end voltage be less than the first preset voltage value, and then the contact 121 of the first breaker 120 is disconnected, while the first open circuit
The operation handle of device 120 will jump to open position automatically, and second source 50 stops powering to electrical equipment 30, at the same time, right
The switching input module 130 answered can monitor that connected second contact 112 is gone off, will be by communication bus to fire
Calamity alarm controller 140 sends coding information；Fire alarm control unit 140 is according to the coding information on communication bus, it is determined that working as
Preceding switch state is the position of the emergency stop switch module 110 disconnected.When in the absence of emergency, it is necessary to during normal power supply, can be right
Fire alarm control unit 140 identifies the emergency stop switch module being pressed oriented, then presses once, and turns clockwise 45
Degree, carry out button ejection, you can make the first contact closure of emergency stop switch module being once pressed, and then can be by the way that first is broken
The operation handle of road device 120 is allocated to closing position, second source 50 is restored electricity to electrical equipment 30.
The utility model embodiment provides another emergency-off device.Fig. 2 is that the utility model embodiment provides again
A kind of structural representation of emergency-off device.It is specifically that the emergency-off device also includes on the basis of above-described embodiment
Second breaker 150 and the first relay 170, the second breaker 150 include contact 151 and undervoltage trip coil 152, and second is disconnected
The contact 151 of road device is used as main switch, wherein, the first contact 111 of at least two emergency stop switch modules 110 is connected in parallel；The
The coil 172 of one relay 170 is connected serially to one end of multiple first contacts 111 of parallel connection；The contact 171 of first relay 170
It is electrically connected in series with the undervoltage trip coil 152 of the second breaker 150；The contact 151 of second breaker 150 is located at current supply circuit
In.
Exemplary, as shown in Fig. 2 the undervoltage tripping line of the breaker 150 of contact 171 and second of the first relay 170
The series connection of circle 152 forms the first series loop, and the first end of the first series loop electrically connects with the 3rd power supply 60, the first series loop
The second end ground connection.The coil 172 of first relay 170 and multiple first contacts 111 in parallel form the second series loop, the
The first end of two series loops electrically connects with the 4th power supply 70, the second end ground connection of the second series loop.Wherein, the 3rd power supply 60
Can be AC power, the 4th power supply 70 can be dc source or AC power.Further, first state is closure；Extremely
The first contact 111 and the second contact 112 of few two emergency stop switch modules 110 are normally opened contact.When not pressing button, the
One contact 111 and the second contact 112 are off-state.The contact 171 of first relay 170 is normally-closed contact.Second breaker
150 also include operation handle, and operating personnel (can be not drawn into) by the operation handle that fiddles with figure, control the second breaker
The closure of 150 contact 151 and disconnection.When the operation handle of the second breaker 150 is allocated into closing position, the second breaker
The closure of 150 contact 151, if the both end voltage of the undervoltage trip coil 152 of the second breaker 150 is higher than the second predeterminated voltage
During value, the contact 151 of the second breaker 150 is kept closed；If the two of the undervoltage trip coil 152 of the second breaker 150
When terminal voltage is less than the second preset voltage value, the contact 151 of the second breaker 150 will be switched off, while the behaviour of the second breaker 150
Open position will be jumped to automatically by making handle.
Operation principle：Under normal condition, the first contact 111 of at least two emergency stop switch modules 110 is off-state (this
When, the second contact 112 is also off-state), the now dead electricity of coil 172 of the first relay 170 so that the first relay 170
Normally-closed contact closure, the both end voltage of the undervoltage trip coil 152 of the second breaker 150 is higher than the second preset voltage value, and
Operation handle is allocated to closing position, closes the contact 151 of the second breaker 150, second source 50 supplies to electrical equipment 30
Electricity., can be by pressing the button of at least one emergency stop switch module 110, so that corresponding at least one when emergency occurs
Individual first contact 111 is closure state so that the coil 172 of the first relay 170 must be electric, and then causes the first relay 170
Normally-closed contact disconnect so that the both end voltage of the undervoltage trip coil 152 of the second breaker 150 is less than the second predeterminated voltage
Value, so cause the second breaker 150 contact 151 disconnect, while the operation handle of the second breaker 150 will jump to automatically it is disconnected
Open position, second source 50 stop powering to electrical equipment 30, and at the same time, corresponding switching input module 130 can monitor
It is changed into closing to connected second contact 112, coding letter will be sent to fire alarm control unit 140 by communication bus
Breath；Fire alarm control unit 140 determines emergency stop switch of the current switch states for closure according to the coding information on communication bus
The position of module 110., it is necessary to during normal power supply, fire alarm control unit 140 can be identified and oriented when in the absence of emergency
The emergency stop switch module being pressed, then press once, carry out button ejection, you can the emergency stop switch module for making once to be pressed
First contact is disconnected, and then the operation handle of the second breaker 150 is allocated into closing position, makes the contact of the second breaker 150
151 closures, make second source 50 be restored electricity to electrical equipment 30.
The utility model embodiment provides a kind of flight simulator.Fig. 3 is that one kind that the utility model embodiment provides flies
The structural representation of row analog machine, as shown in figure 3, the flight simulator 100 includes what the utility model any embodiment provided
Emergency-off device 10, power distribution cabinet 20 and electrical equipment 30.Wherein, master of the input of power distribution cabinet 20 through emergency-off device 10
Switch is connected to Alternating Current Power Supply line, and output end electrically connects with electrical equipment 30.Exemplary, the Alternating Current Power Supply line can include fire
Line L and zero line N, main switch can be arranged on live wire L.Power distribution cabinet 20 is used to be changed in the alternating current of Alternating Current Power Supply line,
Meet the voltage type needed for various electrical equipments with output.
The flight simulator that the utility model embodiment provides includes the emergency-off device in above-described embodiment, therefore this
The flight simulator that utility model embodiment provides also possesses the beneficial effect described in above-described embodiment, no longer superfluous herein
State.
Optionally, electrical equipment includes teacher's bench control system and kinematic system, emergency stop switch module distribution it is following extremely
A few position：At instructor station, at kinematic system switch board, at the top of analog capsule cabin bottom and analog capsule cabin.
Optionally, as shown in figure 4, the structure that Fig. 4 is another flight simulator that the utility model embodiment provides is shown
It is intended to, on the basis of above-described embodiment, the flight simulator 100 also includes multiple code-shaped cigarette senses 160, code-shaped cigarette sense
160 output end is electrically connected by communication bus with fire alarm control unit 140.Code-shaped cigarette sense 160, which is used to work as, monitors cigarette
When the concentration of mist reaches preset concentration, coding information is sent to fire alarm control unit 140 by communication bus；Fire alarm control
Device 140 processed is additionally operable to according to the coding information on communication bus, it is determined that the position of fire currently occurs, to realize fire disasters protection.
Fig. 4 it is exemplary draw two code-shaped cigarette senses, the utility model embodiment is not construed as limiting to this.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust, be combined with each other and substitute without departing from the scope of protection of the utility model.Therefore, although passing through
Above example is described in further detail to the utility model, but the utility model is not limited only to above implementation
Example, in the case where not departing from the utility model design, other more equivalent embodiments can also be included, and it is of the present utility model
Scope is determined by scope of the appended claims.
Claims (10)
- A kind of 1. emergency-off device, it is characterised in that including：Main switch, in current supply circuit；At least two emergency stop switch modules, each emergency stop switch module include the first consistent contact of on off state change and Second contact, wherein, the first contact of each emergency stop switch module is located in control loop, for when at least one urgency When guard's valve module is first state, the main switch on current supply circuit will be controlled to disconnect；At least two switching input modules, corresponded with each emergency stop switch module, input is opened with corresponding jerk The both ends connection of the second contact of module is closed, output end is electrically connected to communication bus, for monitoring corresponding emergency stop switch mould When block is first state, coding information is sent to fire alarm control unit by the communication bus；The fire alarm control unit is used for according to the coding information on the communication bus, and it is first to determine current switch states The position of the emergency stop switch module of state.
- 2. emergency-off device according to claim 1, it is characterised in that the emergency stop switch module is button switch.
- 3. emergency-off device according to claim 1, it is characterised in that the emergency stop switch module is self-lock switch.
- 4. emergency-off device according to claim 1, it is characterised in that also disconnected including the first breaker, described first Road device includes contact and undervoltage trip coil；The contact of first breaker as the main switch, wherein, described at least two First contact of individual emergency stop switch module, and the undervoltage trip coil of first breaker are connected in series；Described first is disconnected The contact of road device is located in current supply circuit.
- 5. emergency-off device according to claim 4, it is characterised in that the first state is disconnection；It is described at least The first contact and the second contact of two emergency stop switch modules are normally-closed contact.
- 6. emergency-off device according to claim 1, it is characterised in that also including the second breaker and the first relay Device, second breaker include contact and undervoltage trip coil；The contact of second breaker as the main switch, its In, the first contact shunt connection of at least two emergency stop switch module；The coil of first relay is connected serially to parallel connection Multiple first contacts one end；The contact of first relay and the undervoltage trip coil series electrical of second breaker Connection；The contact of second breaker is located in current supply circuit.
- 7. emergency-off device according to claim 6, it is characterised in that the first state is closure；It is described at least The first contact and the second contact of two emergency stop switch modules are normally opened contact；Touched to be normally closed the contact of first relay Point.
- 8. a kind of flight simulator, it is characterised in that including any described emergency-off devices of claim 1-7, power distribution cabinet And electrical equipment,Wherein, main switch of the input of the power distribution cabinet through the emergency-off device is connected to Alternating Current Power Supply line, output end Electrically connected with the electrical equipment.
- 9. flight simulator according to claim 8, it is characterised in that the electrical equipment includes teacher's bench control system And kinematic system, the emergency stop switch module distribution is in following at least one positions：At instructor station, at kinematic system switch board, At the top of analog capsule cabin bottom and analog capsule cabin.
- 10. flight simulator according to claim 8, it is characterised in that also including multiple code-shaped cigarette senses, the coding The output end of type cigarette sense is electrically connected by communication bus with fire alarm control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250954.3U CN206876830U (en) | 2017-09-27 | 2017-09-27 | A kind of emergency-off device and flight simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721250954.3U CN206876830U (en) | 2017-09-27 | 2017-09-27 | A kind of emergency-off device and flight simulator |
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| CN206876830U true CN206876830U (en) | 2018-01-12 |
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| CN201721250954.3U Active CN206876830U (en) | 2017-09-27 | 2017-09-27 | A kind of emergency-off device and flight simulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375571A (en) * | 2018-11-12 | 2019-02-22 | 楚天智能机器人（长沙）有限公司 | A kind of emergency stop device and system of products storage circulation system |
| CN113093062A (en) * | 2021-04-29 | 2021-07-09 | 北京送变电有限公司 | Terminal row open circuit monitoring system |
-
2017
- 2017-09-27 CN CN201721250954.3U patent/CN206876830U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109375571A (en) * | 2018-11-12 | 2019-02-22 | 楚天智能机器人（长沙）有限公司 | A kind of emergency stop device and system of products storage circulation system |
| CN113093062A (en) * | 2021-04-29 | 2021-07-09 | 北京送变电有限公司 | Terminal row open circuit monitoring system |
| CN113093062B (en) * | 2021-04-29 | 2023-06-27 | 北京送变电有限公司 | Terminal strip open circuit monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 300308 Tianjin Dongli District Tianjin free trade pilot area (Airport Economic Zone) 59 4 office building, Kai Hang Road. Patentee after: Andy (Tianjin) flight simulation system Co., Ltd. Address before: 300308 Tianjin city Dongli district free trade pilot area (Airport Economic Zone) 59 of Kai Hang Road office building 4 floor. Patentee before: Rockwell, Collins (Tianjin) flight simulation system Co. Ltd. |
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| CP03 | Change of name, title or address |