CN212433602U - Fire-fighting three-fan controller - Google Patents
Fire-fighting three-fan controller Download PDFInfo
- Publication number
- CN212433602U CN212433602U CN202020949958.6U CN202020949958U CN212433602U CN 212433602 U CN212433602 U CN 212433602U CN 202020949958 U CN202020949958 U CN 202020949958U CN 212433602 U CN212433602 U CN 212433602U
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- circuit
- control
- fan
- detection circuit
- fire
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- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000005070 sampling Methods 0.000 claims abstract description 17
- 238000010586 diagram Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
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Abstract
The utility model discloses a fire-fighting three-fan controller, which comprises a controller shell and a control circuit arranged in the controller shell, wherein the control circuit comprises a CPU, an electronic switch built-in power supply for supplying power to the whole control circuit, and a key circuit, a default phase protection circuit, a current sampling circuit, a detection circuit and a signal driving circuit which are connected to the input end of the CPU; the control circuit also comprises a phase error and loss fault indicating circuit, a control signal output circuit, a fault alarm circuit, an operation indicating circuit and a signal feedback circuit which are connected with the output end of the CPU. The utility model adopts three-wire input safety, which ensures the current input safety of the whole controller, and the power supply is internally provided with an electronic switch power supply, thereby saving more energy, and using one controller to control three fan control devices, saving resources; the utility model discloses signal output to every controlling means is independent circuit, and the fault rate is low and overhaul the convenience.
Description
Technical Field
The utility model relates to a fan control technical field especially relates to a three fan control of fire control ware.
Background
The traditional fire fighting fan control device adopts a relay control mode, the size of equipment parts is large, the assembly is not easy, and the cost of a wire box body shell frame is high; moreover, the control function of the traditional fire-fighting fan controller is single, the control of starting and stopping the fire-fighting fan can be realized, each controller can only control a single fan control device, if a plurality of fan control devices are arranged on site, a large number of controllers are needed for control, and the resource occupation is overlarge.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems, the fire-fighting three-fan controller adopts three-wire input safety, ensures the current input safety of the whole controller, adopts an electronic switch power supply built in the power supply, is more energy-saving, can control three fan control devices by using one controller, and saves resources; the utility model discloses signal output to every controlling means is independent circuit, and the fault rate is low and overhaul the convenience.
A fire-fighting three-fan controller comprises a controller shell and a control circuit arranged in the controller shell, wherein the control circuit comprises a CPU, an electronic switch built-in power supply for supplying power to the whole control circuit, a key circuit connected to the input end of the CPU, a phase failure protection circuit, a current sampling circuit, a detection circuit and a signal driving circuit; the control circuit also comprises a phase error and loss fault indicating circuit, a control signal output circuit, a fault alarm circuit, an operation indicating circuit and a signal feedback circuit which are connected with the output end of the CPU.
Further, the signal driving circuit includes a first signal driving circuit, a second signal driving circuit, and a third signal driving circuit.
Further, the current sampling circuit comprises a first current sampling circuit, a second current sampling circuit and a third current sampling circuit.
Further, the detection circuit includes a first detection circuit, a second detection circuit, and a third detection circuit.
Furthermore, the first detection circuit, the second detection circuit and the third detection circuit respectively comprise a fire damper detection circuit, a motor operation detection circuit and a motor overload detection circuit.
Further, the control signal output circuit includes a first control signal output circuit, a second control signal output circuit, and a third control signal output circuit.
Furthermore, the operation indicating circuit comprises a power supply normal indicating lamp, a power supply fault indicating lamp, a manual indicating lamp, an automatic indicating lamp, a linkage indicating lamp, a fan fault indicating lamp, a fan starting indicating lamp and a fan stopping indicating lamp.
Further, the signal feedback circuit comprises a wind pressure feedback circuit and an automatic feedback circuit.
Furthermore, the phase-missing protection circuit is used for reducing the voltage of the input three-phase alternating current and converting the voltage into a voltage signal which can be used for detection, and the phase-missing protection circuit is arranged in the control circuit.
The utility model has the advantages that: the safety of current input of the whole controller is guaranteed by adopting a three-wire input fuse, an electronic switching power supply is arranged in the power supply, so that the energy is saved, and three fan control devices can be controlled by using one controller, so that the resource is saved; the utility model discloses signal output to every controlling means is independent circuit, and the fault rate is low and overhaul the convenience.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a circuit diagram of the signal driving circuit of the present invention.
Fig. 3 is the circuit diagram of the fire damper detection circuit of the present invention.
Fig. 4 is a circuit diagram of the motor operation detection circuit of the present invention.
Fig. 5 is a circuit diagram of the motor overload detection circuit of the present invention.
Fig. 6 is a circuit diagram of the control signal output circuit of the present invention.
Fig. 7 is a circuit diagram of the wind pressure feedback circuit of the present invention.
Fig. 8 is a circuit diagram of the automatic feedback circuit of the present invention.
Fig. 9 is a circuit diagram of the phase-missing protection circuit of the present invention.
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 with reference to the accompanying drawings.
As shown in fig. 1, a fire-fighting triple-fan controller comprises a controller shell and a control circuit arranged in the controller shell, wherein the control circuit comprises a CPU, an electronic switch built-in power supply for supplying power to the whole control circuit, and a key circuit, a default phase protection circuit, a current sampling circuit, a detection circuit and a signal driving circuit which are connected to the input end of the CPU; the control circuit also comprises a phase error and loss fault indicating circuit, a control signal output circuit, a fault alarm circuit, an operation indicating circuit and a signal feedback circuit which are connected with the output end of the CPU.
The signal driving circuit includes a first signal driving circuit, a second signal driving circuit, and a third signal driving circuit. The specific structure of the signal driving circuit is shown in fig. 2.
The current sampling circuit comprises a first current sampling circuit, a second current sampling circuit and a third current sampling circuit.
The detection circuit includes a first detection circuit, a second detection circuit, and a third detection circuit. The first detection circuit, the second detection circuit and the third detection circuit respectively comprise a fire damper detection circuit, a motor operation detection circuit and a motor overload detection circuit. The specific structure of the fire damper detection circuit, the motor operation detection circuit and the motor overload detection circuit is shown in fig. 3, 4 and 5.
The control signal output circuit includes a first control signal output circuit, a second control signal output circuit, and a third control signal output circuit. The specific structure of the control signal output circuit is shown in fig. 6.
The operation indicating circuit comprises a power supply normal indicating lamp, a power supply fault indicating lamp, a manual indicating lamp, an automatic indicating lamp, a linkage indicating lamp, a fan fault indicating lamp, a fan starting indicating lamp and a fan stopping indicating lamp.
The signal feedback circuit comprises a wind pressure feedback circuit and an automatic feedback circuit. The specific structure of the wind pressure feedback circuit and the automatic feedback circuit is shown in fig. 7 and 8.
The utility model provides a key circuit, current sampling circuit, operation indicating circuit and malfunction alerting circuit are the common circuit in this field, and its circuit structure is no longer repeated in this application.
The default phase protection circuit is used for reducing the voltage of the input three-phase alternating current and converting the voltage into a voltage signal which can be used for detection, the default phase protection circuit is arranged in the control circuit, and the specific structure of the default phase protection circuit is shown in fig. 9.
In the embodiment, the fire-fighting three-fan controller adopts three-wire input safety, so that the safety of current input of the whole controller is guaranteed, an electronic switching power supply is arranged in the power supply, the energy is saved, and three fan control devices can be controlled by using one controller, so that the resources are saved; the utility model discloses signal output to every controlling means is independent circuit, and the fault rate is low and overhaul the convenience.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A fire-fighting three-fan controller is characterized by comprising a controller shell and a control circuit arranged in the controller shell, wherein the control circuit comprises a CPU, an electronic switch built-in power supply for supplying power to the whole control circuit, a key circuit connected to the input end of the CPU, a phase failure protection circuit, a current sampling circuit, a detection circuit and a signal driving circuit; the control circuit also comprises a phase error and loss fault indicating circuit, a control signal output circuit, a fault alarm circuit, an operation indicating circuit and a signal feedback circuit which are connected with the output end of the CPU.
2. The fire fighting triple fan controller according to claim 1, wherein the signal driving circuit comprises a first signal driving circuit, a second signal driving circuit and a third signal driving circuit.
3. The fire fighting triple fan controller according to claim 1, wherein the current sampling circuit comprises a first current sampling circuit, a second current sampling circuit, and a third current sampling circuit.
4. The fire fighting triple fan controller according to claim 1, wherein the detection circuit comprises a first detection circuit, a second detection circuit, and a third detection circuit.
5. The fire fighting triple fan controller according to claim 4, wherein the first detection circuit, the second detection circuit and the third detection circuit respectively comprise a fire damper detection circuit, a motor operation detection circuit and a motor overload detection circuit.
6. The fire fighting triple fan controller according to claim 1, wherein the control signal output circuit includes a first control signal output circuit, a second control signal output circuit, and a third control signal output circuit.
7. The fire fighting triple-fan controller according to claim 1, wherein the operation indication circuit comprises a power normal indicator light, a power failure indicator light, a manual indicator light, an automatic indicator light, a linkage indicator light, a fan failure indicator light, a fan start indicator light and a fan stop indicator light.
8. The fire fighting triple fan controller according to claim 1, wherein the signal feedback circuit comprises a wind pressure feedback circuit and an automatic feedback circuit.
9. The fire-fighting three-fan controller according to claim 1, wherein the open-phase protection circuit is used for reducing the voltage of the input three-phase alternating current and converting the voltage into a voltage signal which can be used for detection, and the open-phase protection circuit is arranged in the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020949958.6U CN212433602U (en) | 2020-05-29 | 2020-05-29 | Fire-fighting three-fan controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020949958.6U CN212433602U (en) | 2020-05-29 | 2020-05-29 | Fire-fighting three-fan controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212433602U true CN212433602U (en) | 2021-01-29 |
Family
ID=74270346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020949958.6U Expired - Fee Related CN212433602U (en) | 2020-05-29 | 2020-05-29 | Fire-fighting three-fan controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212433602U (en) |
-
2020
- 2020-05-29 CN CN202020949958.6U patent/CN212433602U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210129 |