CN211577713U - Integrated relay protection control device for fan and air valve - Google Patents
Integrated relay protection control device for fan and air valve Download PDFInfo
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- CN211577713U CN211577713U CN202020590393.7U CN202020590393U CN211577713U CN 211577713 U CN211577713 U CN 211577713U CN 202020590393 U CN202020590393 U CN 202020590393U CN 211577713 U CN211577713 U CN 211577713U
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Abstract
The utility model discloses an integrated relay protection controlling means for fan and blast gate, including fan and the integrated unit of blast gate, still include: the air valve control logic unit is used for controlling the starting of the air valve when the external air valve receives an opening control command; the air valve feedback unit is used for transmitting an air valve position signal to the fan and the air valve integration unit; the fan control logic unit is used for controlling the fan to start when the fan and air valve integrated unit receives an air valve in-place opening signal; the fan feedback unit is used for feeding the state of the fan back to the fan and the air valve integration unit; and after the fan is started, the closing valve of the air valve control logic unit controls the power failure. Above-mentioned an integrated relay protection controlling means for fan and blast gate can solve the wiring problem that fan control box and blast gate control box are not in same cabinet to can realize blast gate control and blast gate control's high integration, thereby can reduce the complicated degree of wiring, improve controlling means's security.
Description
Technical Field
The utility model relates to a track traffic technical field, in particular to an integrated relay protection controlling means for fan and blast gate.
Background
In recent years, urban traffic construction in China is continuously developed at a high speed, wherein rail traffic construction is an important component, in order to ensure air flow in subway tunnels and station halls, the ambient temperature and humidity in station halls and stations are usually required to be provided with a plurality of air valves in ventilation pipelines, and meanwhile, the fan control and the air valve control are usually arranged in an environmental control cabinet. In the prior art, the control of 1 air valve needs 3 auxiliary relays, 3 change over switches, 3 signal lamps and 8 connectors to constitute, 32 lines are drawn out from each loop and are respectively connected to an air valve, a fan, an IO module and a PLC to link the fan control, the conditions of wiring error, wire disconnection and poor contact can often occur, and much inconvenience is brought to operators during wiring and wire checking.
Therefore, how to avoid the influence on wiring and maintenance caused by the complicated wiring in the fan and the air valve control device is a technical problem which needs to be solved by the technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an integrated relay protection controlling means for fan and blast gate, the device can solve the wiring problem that fan control box and blast gate control box are not in same cabinet to can reduce the numerous and diverse degree of wiring, improve controlling means's security.
In order to achieve the above object, the utility model provides an integrated relay protection controlling means for fan and blast gate, including fan and blast gate integrated unit, still include:
the air valve control logic unit is used for controlling the starting of the air valve when the external air valve receives an opening control command;
the air valve feedback unit is connected with the fan and the air valve integration unit and used for transmitting an air valve position signal to the fan and the air valve integration unit;
the fan control logic unit is used for controlling the fan to start when the fan and air valve integrated unit receives an air valve in-place opening signal;
the fan feedback unit is connected with the fan and the air valve integration unit and used for feeding back the state of the fan to the fan and the air valve integration unit;
and after the fan is started, the fan and the air valve integrated unit are used for controlling the closing valve of the air valve control logic unit to be powered off.
Optionally, the wind power generation system further comprises a power module connected with the wind valve control logic unit and the fan control logic unit and used for supplying power to the wind valve control logic unit and the fan control logic unit.
Optionally, the fan and air valve integrated unit is provided with a first time relay; when the fan and air valve integrated unit receives an air valve in-place opening signal, the first time relay is used for the fan control logic unit to execute the operation of starting the fan.
Optionally, the fan and air valve integrated unit is provided with a second time relay; and when the fan and air valve integrated unit receives a fan opening signal, the second time relay is used for disconnecting the closing valve control of the air valve control logic unit.
Optionally, the air valve feedback unit is provided with:
the detection component is used for detecting the position of the air valve;
and the first signal relay is connected with the detection assembly and used for sending a valve opening in-place signal to the fan and air valve integrated unit and reflecting the positive and negative rotation of the air valve.
Optionally, the detection component is specifically a limit switch.
Optionally, the fan feedback unit is provided with:
a logic judgment subunit for judging whether the fan is started;
and the second signal relay is connected with the logic judgment subunit and used for sending a signal capable of displaying the state of the fan to the fan and the air valve integration unit.
Optionally, the fan and air valve integrated unit is internally provided with:
a terminal block for connection with an external device;
and an interface circuit connected to the terminal block.
Optionally, the fan control logic unit is provided with:
an in-situ control assembly for manual control;
the remote control component is used for realizing communication control;
the mode conversion component is used for switching a manual control mode and a communication control mode.
Optionally, the method further comprises:
the first indicator light is used for displaying the opening state of the air valve;
and the second indicator light is used for displaying the state that the air valve is closed to the right position.
Compared with the prior art, the utility model discloses to the different requirements of fan and blast gate control, designed an integrated relay protection controlling means for fan and blast gate, specifically speaking, above-mentioned integrated relay protection controlling means for fan and blast gate includes fan and blast gate integrated unit, still includes blast gate control logic unit, blast gate feedback unit, fan control logic unit and fan feedback unit, wherein, when outside blast gate receives the control command of opening, blast gate control logic unit is used for controlling the blast gate to start; the air valve feedback unit is connected with the fan and the air valve integration unit and is used for transmitting an air valve position signal to the fan and the air valve integration unit; when the fan and air valve integrated unit receives an air valve in-place opening signal, the fan control logic unit is used for controlling the fan to start; the fan feedback unit is connected with the fan and the air valve integrated unit, the fan feedback unit is used for feeding back the state of the fan to the fan and the air valve integrated unit, and after the fan is started, the fan and the air valve integrated unit is used for controlling the power-off of the air valve control logic unit.
That is to say, above-mentioned integrated relay protection controlling means passes through the drive of blast gate control logic unit control motor to the control blast gate starts, when the blast gate opens in place, blast gate feedback unit can be with the signal transmission to fan and blast gate integrated unit that the blast gate opened in place, start for the further control fan of blast gate control logic unit, at this moment, because the fan is in the start condition, the fan feedback unit can feed back the start condition of fan to fan and blast gate integrated unit, can make the close valve control of blast gate not be able to be electric like this, the blast gate control logic unit can't control the blast gate and close promptly. Therefore, the integrated relay protection control device for the fan and the air valve can solve the wiring problem that the fan control box and the air valve control box are not arranged in the same cabinet, and can realize high integration of air valve control and fan control, thereby reducing the complicated wiring degree and improving the safety of the control device; meanwhile, due to the adoption of the fan and air valve integrated unit, the wiring difficulty of the integrated relay protection control device of the whole fan and the air valve in the later period is reduced, and the maintainability and the personnel safety can be greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic block diagram of an integrated relay protection control device for a fan and an air valve according to an embodiment of the present invention;
fig. 2 is a partial electrical schematic diagram of an integrated relay protection control device for a fan and an air valve according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating the valve open-to-position indication and the valve close-to-position indication in the integrated relay protection control device for the fan and the air valve according to the embodiment of the present invention.
Wherein:
the system comprises a 1-fan and air valve integrated unit, a 2-air valve feedback unit, a 3-fan feedback unit, a 4-air valve control logic unit, a 5-fan control logic unit and a 6-power module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide an integrated relay protection controlling means for fan and blast gate, the device can solve the wiring problem that fan control box and blast gate control box are not in same cabinet to can reduce the numerous and diverse degree of wiring, improve controlling means's security.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic block diagram of an integrated relay protection control device for a fan and an air valve according to an embodiment of the present invention; fig. 2 is a partial electrical schematic diagram of an integrated relay protection control device for a fan and an air valve according to an embodiment of the present invention; fig. 3 is a schematic diagram illustrating the valve open-to-position indication and the valve close-to-position indication in the integrated relay protection control device for the fan and the air valve according to the embodiment of the present invention.
The embodiment of the utility model provides an integrated relay protection controlling means for fan and blast gate, include: the system comprises a fan and air valve integrated unit 1, an air valve feedback unit 2, a fan feedback unit 3, an air valve control logic unit 4, a fan control logic unit 5 and a power module 6.
When the external air valve receives an opening control instruction, the air valve control logic unit 4 is used for controlling the start of the air valve; the air valve feedback unit 2 is connected with the fan and the air valve integrated unit 1, and the air valve feedback unit 2 is used for transmitting an air valve position signal to the fan and the air valve integrated unit 1.
Specifically, when the external air valve receives an opening control command, the power module 6 is continuously electrified, a corresponding air valve actuating mechanism (motor) is controlled and driven, when the air valve reaches the opening position, the air valve feedback unit 2 is triggered, and at the moment, a signaler of the air valve feedback unit 2 acts and outputs a signal that the air valve is opened in position to a terminal of the fan and air valve integrated unit 1; when an external air valve receives a closing control command, the power supply module 6 is continuously electrified, the corresponding air valve executing mechanism is continuously driven, the air valve feedback unit 2 is triggered when the air valve is closed in place, and at the moment, the annunciator of the air valve feedback unit 2 acts and outputs a signal that the air valve is closed in place to the terminal of the fan and air valve integrated unit 1.
Of course, according to actual needs, the above device further comprises a first indicator light and a second indicator light, wherein:
the first indicator light: the air valve is used for displaying the opening state of the air valve;
a second indicator light: the air valve is used for displaying the closed-position state of the air valve.
When the fan and air valve integrated unit 1 receives an air valve in-place opening signal, the fan control logic unit 5 is used for controlling the fan to start; the fan feedback unit 3 is connected with the fan and air valve integrated unit 1, the fan feedback unit 3 is used for feeding back the state of the fan to the fan and air valve integrated unit 1, and after the fan is started, the fan and air valve integrated unit 1 is used for controlling the power-off of the air valve control logic unit 4. In addition, after the fan starts and accomplishes, through fan feedback unit 3 output external signal, fan feedback unit 3's annunciator action and export external signal to fan and the terminal of air valve integrated unit 1 on, air valve and the fan is inside interlocking like this to form reliable shutting through inside logic unit, fan and air valve integrated unit 1 can play convenient and fast's effect to the external control wiring.
That is to say, the integrated relay protection control device controls the motor drive through the air valve control logic unit 4 to control the air valve to start, when the air valve is opened in place, the air valve feedback unit 2 can transmit the signal that the air valve is opened in place to the fan and the air valve integrated unit 1, so as to supply the fan control logic unit 5 to further control the fan to start, at this moment, because the fan is in the start state, the fan feedback unit 3 can feed back the start state of the fan to the fan and the air valve integrated unit 1, so that the closing valve of the air valve can not be controlled, namely, the closing valve operation of the air valve control logic unit 4 is not executed, and only after the air valve stops, the air valve can be controlled, and the interlocking is formed through internal judgment.
Therefore, the integrated relay protection control device for the fan and the air valve can solve the wiring problem that the fan control box and the air valve control box are not arranged in the same cabinet, and can realize high integration of air valve control and fan control, thereby reducing the complicated wiring degree and improving the safety of the control device; meanwhile, the fan and air valve integrated unit 1 is adopted, so that the wiring difficulty of the integrated relay protection control device of the whole fan and the air valve in the later period is reduced, and the maintainability and the personnel safety can be greatly improved.
Further, the device further comprises a power module 6 connected to the air valve control logic unit 4 and the air valve control logic unit 5, wherein the power module 6 is used for supplying power to the air valve control logic unit 4 and the air valve control logic unit 5.
As shown in fig. 1, in the present embodiment, the blower and damper integrated unit 1 may be provided with a first time relay, where the first time relay includes a first coil KA01 and a normally open contact KA01, where the normally open contact KA01 may be disposed between the power module 6 and the blower control logic unit 5, and is used for the blower control logic unit 5 to perform a blower starting operation; after the blast gate starts, when fan and blast gate integrated unit 1 received the blast gate and opened the position signal, first coil KA01 is electrified, and first coil KA01 is electrified back, and normally open contact KA01 is closed, so, fan control logic unit 5 can further control the fan and start.
In addition, the fan and damper integrated unit 1 may further be provided with a second time relay, the second time relay includes a second coil KA02 and a normally closed contact KA02, wherein the normally closed contact KA02 may be provided between the power module 6 and the fan control logic unit 4 for controlling the valve closing operation of the fan control logic unit 4; when the fan and air valve integrated unit 1 receives a signal that the fan is opened, the second coil KA02 is electrified, and after the second coil KA02 is electrified, the normally closed contact KA02 is disconnected.
Preferably, the air valve feedback unit 2 may be specifically provided with a detection component and a first signal relay, wherein the detection component may be specifically provided as a limit switch, and the detection component is configured to detect the position of the air valve, for example, when the air valve reaches the open position, the limit switch may turn on the control circuit of the first signal relay through closing of a corresponding contact; the first signal relay is connected with the detection assembly and used for sending a valve opening in-place signal to the fan and air valve integrated unit 1 and reflecting positive and negative rotation of the air valve.
Correspondingly, the fan feedback unit 3 may be specifically provided with a logic judgment subunit and a second signal relay, wherein the logic judgment subunit is used for judging whether the fan is started; and the second signal relay is connected with the logic judgment subunit and used for sending a signal capable of displaying the state of the fan to the fan and the air valve integration unit 1 so as to enable the fan and the air valve integration unit 1 to execute a corresponding instruction.
It should be noted that the time relay, the signal relay, the limit switch, the logic determination subunit, and the like are all electrical components known to those skilled in the art, and the settings and functions thereof all belong to the content of the prior art, which is not the protection focus of the present application.
Of course, the blower and damper integrated unit 1 may be provided with a terminal block for connection with an external device and an interface circuit connected to the terminal block, as required. The terminal strip can integrate the external control of the fan, the external control of the air valve, the manual box control and the logic control together, and form an integral external output unit, so that the wiring difficulty of the whole fan and the air valve control system in the later period is reduced, and the maintainability and the personnel safety are greatly improved.
On the basis, a local control assembly, a remote control assembly and a mode conversion assembly are further arranged in the fan control logic unit 5, wherein the local control assembly is used for realizing manual control; the remote control component is used for realizing communication control; the mode conversion component is used for switching a manual control mode and a communication control mode. The in-situ control assembly, the remote control assembly and the mode switching assembly may be with particular reference to conventional wind turbines and wind valve control systems.
As shown in fig. 2 and 3, the present device may preferably have other specific arrangements, for example, for valve opening control: when the control loop is electrified to start the SS1 button, the coil of the intermediate relay KA1 is electrified, the opening action of KA1 is closed, further the coils of the starting time relays KA5 and KA5 are electrified, the opening action of the time relay KA5 is closed, so that the coils 1 and 3 of the electric air valve operation box are electrified to execute the valve opening control operation, when the air valve is opened to the right position, the contacts 4 and 5 of the electric air valve operation box are connected, when the coil KA3 is electrified, the opening action of KA3 is closed, so that the air valve is opened, and when the right position indicator lamp HR1 (a first indicator lamp) is lightened, the open position is indicated;
and for the starting control of the fan after the air valve is opened in place: when the air valve is opened in place, the coil of the contactor KM is electrified, the coil is attracted to control the load fan to start, the KM opening point is closed, and the operation indicator lamp HR2 is operated to display the operation of the fan. After the fan is started, the KM closing point is changed into the KM opening point to disconnect the valve control, so that coils 1 and 3 of the electric air valve operation box are disconnected, and the air valve operation box is not powered on when the valve control is closed;
the fan is stopped, and the valve closing control can be executed: when a stop button SF1 is pressed, the coil KA1 loses power at the moment, the opening point of KA1 is recovered, the coil KM loses power at the moment, the contact of a time relay KA5 is closed, the coils 1 and 3 of the air valve operation box are powered, the electric air valve operation box executes closing valve control, when the valve is closed in place, the contact of the electric air valve operation box 6 and the contact of the electric air valve operation box 11 are connected, after the coil KA4 is powered, the opening point of KA4 is closed, the air valve executes closing valve opening, and when a closing position indicator lamp HG1 (second indicator lamp) is lightened, the valve is closed in place at the moment.
Of course, the device can be arranged in other different ways to realize the control, and the device is not unfolded one by one.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
It is right above the utility model provides an integrated relay protection controlling means for fan and blast gate has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the solution and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides an integrated relay protection controlling means for fan and blast gate which characterized in that, includes fan and blast gate integrated unit (1), still includes:
the air valve control logic unit (4) is used for controlling the starting of the air valve when the external air valve receives an opening control command;
the air valve feedback unit (2) is connected with the fan and air valve integrated unit (1) and is used for transmitting an air valve position signal to the fan and air valve integrated unit (1);
the fan control logic unit (5) is used for controlling the fan to start when the fan and air valve integrated unit (1) receives an air valve opening position signal;
the fan feedback unit (3) is connected with the fan and the air valve integrated unit (1) and is used for feeding back the state of the fan to the fan and the air valve integrated unit (1);
and after the fan is started, the fan and air valve integrated unit (1) is used for controlling the closing valve of the air valve control logic unit (4) to be powered off.
2. The integrated relay protection control device for the fan and the air valve according to claim 1, further comprising a power module (6) connected to the air valve control logic unit (4) and the fan control logic unit (5) for supplying power to the air valve control logic unit (4) and the fan control logic unit (5).
3. The integrated relay protection control device for the fan and the air valve as claimed in claim 2, wherein the fan and air valve integrated unit (1) is provided with a first time relay; when the fan and air valve integrated unit (1) receives an air valve in-place opening signal, the first time relay is used for the fan control logic unit (5) to execute the operation of starting the fan.
4. The integrated relay protection control device for the fan and the air valve as claimed in claim 3, wherein the fan and air valve integrated unit (1) is provided with a second time relay; and when the fan and air valve integrated unit (1) receives a fan opening signal, the second time relay is used for disconnecting the closing valve control of the air valve control logic unit (4).
5. The integrated relay protection control device for the fan and the air valve according to claim 4, wherein the air valve feedback unit (2) is provided with:
the detection component is used for detecting the position of the air valve;
and the first signal relay is connected with the detection assembly and used for sending a valve opening in-place signal to the fan and air valve integrated unit (1) and reflecting the forward and reverse rotation of the air valve.
6. The integrated relay protection control device for the fan and the air valve as claimed in claim 5, wherein the detection component is a limit switch.
7. The integrated relay protection control device for the fan and the air valve according to claim 6, wherein the fan feedback unit (3) is provided with:
a logic judgment subunit for judging whether the fan is started;
and the second signal relay is connected with the logic judgment subunit and used for sending a signal capable of displaying the state of the fan to the fan and air valve integrated unit (1).
8. The integrated relay protection control device for the fan and the air valve as claimed in claim 7, wherein the fan and air valve integrated unit (1) is internally provided with:
a terminal block for connection with an external device;
and an interface circuit connected to the terminal block.
9. The integrated relay protection control device for the fan and the air valve according to claim 8, wherein the fan control logic unit (5) is provided with:
an in-situ control assembly for manual control;
the remote control component is used for realizing communication control;
the mode conversion component is used for switching a manual control mode and a communication control mode.
10. The integrated relay protection control device for the fan and the air valve according to any one of claims 1 to 9, further comprising:
the first indicator light is used for displaying the opening state of the air valve;
and the second indicator light is used for displaying the state that the air valve is closed to the right position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590393.7U CN211577713U (en) | 2020-04-20 | 2020-04-20 | Integrated relay protection control device for fan and air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590393.7U CN211577713U (en) | 2020-04-20 | 2020-04-20 | Integrated relay protection control device for fan and air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211577713U true CN211577713U (en) | 2020-09-25 |
Family
ID=72527613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020590393.7U Active CN211577713U (en) | 2020-04-20 | 2020-04-20 | Integrated relay protection control device for fan and air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211577713U (en) |
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2020
- 2020-04-20 CN CN202020590393.7U patent/CN211577713U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An integrated relay protection and control device for fans and air valves Effective date of registration: 20230508 Granted publication date: 20200925 Pledgee: China Everbright Bank Limited by Share Ltd. Zhengzhou high yield road sub branch Pledgor: SUOLING ELECTRIC Co.,Ltd. Registration number: Y2023980040037 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |