CN219496944U - Control circuit for multifunctional commercial oil smoke purifying integrated machine - Google Patents
Control circuit for multifunctional commercial oil smoke purifying integrated machine Download PDFInfo
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- CN219496944U CN219496944U CN202320770722.XU CN202320770722U CN219496944U CN 219496944 U CN219496944 U CN 219496944U CN 202320770722 U CN202320770722 U CN 202320770722U CN 219496944 U CN219496944 U CN 219496944U
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Abstract
The utility model relates to the technical field of circuit control, and provides a control circuit for a multifunctional commercial oil smoke purifying integrated machine, which comprises a main control chip, and a phase sequence detection circuit, a driving circuit, a power supply circuit, a current detection circuit and a temperature detection circuit which are connected with the main control chip; the driving circuit, the current detection circuit and the temperature detection circuit are further connected with the power supply circuit, and the driving circuit is further connected with the phase sequence detection circuit. The phase sequence detection circuit is arranged, so that the phase and the phase sequence can be judged automatically, and equipment is prevented from being damaged due to short circuit or huge circulation caused by inconsistent phase and phase sequences during parallel arrangement; a temperature detection circuit is arranged and can detect the indoor temperature; the driving circuit is arranged for driving the oil smoke separation, the electronic purification, the illumination and the three phases of the motor respectively, so that each function is ensured to work normally.
Description
Technical Field
The utility model relates to the technical field of circuit control, in particular to a control circuit for a multifunctional commercial oil smoke purifying integrated machine.
Background
The oil fume purifying equipment is very necessary to be installed in industrial production or daily cooking, the high-quality oil fume purifying equipment can effectively maintain restaurant environment, purify kitchen air, reduce the pollution of kitchen oil fume to the environment to the greatest extent, and create a comfortable dining environment for customers at any time and any moment.
The multifunctional commercial lampblack purifier has more functions and more strict requirements on a control circuit, and in addition, the control circuit of the multifunctional commercial lampblack purifier is required to have a phase detection function to judge the phase and the phase sequence, so that the equipment is prevented from being damaged due to the fact that short circuits are caused or huge circulation occurs when the multifunctional commercial lampblack purifier is in parallel arrangement, but the conventional control circuit cannot meet the requirements, and therefore a control circuit is required to be designed for the problems by a person skilled in the art.
Disclosure of Invention
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a control circuit for a multifunctional commercial oil smoke purifying integrated machine, which comprises a main control chip, and a phase sequence detection circuit, a driving circuit, a power supply circuit, a current detection circuit and a temperature detection circuit which are connected with the main control chip; the driving circuit, the current detection circuit and the temperature detection circuit are further connected with the power supply circuit, and the driving circuit is further connected with the phase sequence detection circuit.
Furthermore, three phase sequence detection circuits are arranged in the control circuit and are respectively used for detecting three phases of the motor.
Further, the phase sequence detection circuit comprises a first resistor, a second resistor, a third resistor, an optical coupler and a first capacitor, wherein the first resistor, the second resistor and the third resistor are all connected with the optical coupler, the first resistor and the second resistor are also connected with the driving circuit, and the third resistor is connected with the main control chip; the third resistor is also connected with the first capacitor at the connection point of the optical coupler.
Further, the power supply circuit comprises an AC-DC circuit, the AC-DC circuit comprises a direct current power supply, a fuse and a sliding resistor, the sliding resistor is connected with the direct current power supply in parallel, one connecting end of the sliding resistor is also connected with the fuse, and the other connecting ends of the sliding resistor and the fuse are both connected with the driving circuit.
Further, the power supply circuit further comprises a DC-DC circuit, the DC-DC circuit comprises a voltage stabilizer, an inductor, a third capacitor and a second electrolytic capacitor, a switching voltage output pin of the voltage stabilizer is connected with the inductor, and the third capacitor and the second electrolytic capacitor are connected in parallel and then connected with the inductor.
Further, the current detection circuit comprises a rectifier bridge, a second diode, a fourth resistor and a fifth resistor, wherein an anode pin of the rectifier bridge is connected with the second diode, the fourth resistor and the fifth resistor respectively, and the fifth resistor is connected with the main control chip.
Further, the temperature detection circuit comprises a temperature sensor, a fourth capacitor, a sixth resistor and a seventh resistor, wherein the temperature sensor is respectively connected with the fourth capacitor, the sixth resistor and the seventh resistor, and the seventh resistor is connected with the main control chip.
Further, the driving circuit comprises a driving chip, an eighth resistor and a driving sub-circuit, wherein the input pins of the driving chip are connected with the eighth resistor, and the output pins of the driving chip corresponding to the eighth resistor are connected with the driving sub-circuit.
Further, the driving sub-circuit comprises a ninth resistor, a light emitting diode, a third diode and a relay, wherein the ninth resistor and the light emitting diode are connected in parallel with the third diode and the relay respectively.
Further, the model of the driving chip is ULN2003A.
The utility model has the following beneficial effects:
(1) The phase sequence detection circuit is arranged, so that the phase and the phase sequence can be judged automatically, and equipment is prevented from being damaged due to short circuit or huge circulation caused by inconsistent phase and phase sequences during parallel operation;
(2) The utility model is provided with a temperature detection circuit which can detect the indoor temperature;
(3) The utility model is provided with the driving circuit which is respectively used for driving the oil smoke separation, the electronic purification, the illumination and the three phases of the motor, thereby ensuring that each function works normally.
Drawings
FIG. 1 is a schematic diagram of the control circuit connection of the present utility model.
Fig. 2 is a bit detection circuit diagram of the present utility model.
Fig. 3 is an AC-DC circuit diagram of the present utility model.
Fig. 4 is a DC-DC circuit diagram of the present utility model.
Fig. 5 is a circuit diagram of the current detection of the present utility model.
Fig. 6 is a temperature detection circuit diagram of the present utility model.
Fig. 7 is a driving circuit diagram of the present utility model.
Fig. 8 is a driving sub-circuit diagram of the present utility model.
Detailed Description
The following detailed description of the embodiments of the utility model, taken in conjunction with the accompanying drawings, should be taken as illustrative of the utility model only and not as limiting, the examples being intended to provide those skilled in the art with a better understanding and reproduction of the technical solutions of the utility model, the scope of the utility model still being defined by the claims.
As shown in fig. 1, the utility model provides a control circuit for a multifunctional commercial fume purification integrated machine, which comprises a main control chip 1, and a phase sequence detection circuit 2, a driving circuit 3, a power circuit 4, a current detection circuit 5 and a temperature detection circuit 6 which are connected with the main control chip 1; the driving circuit 3, the current detection circuit 5 and the temperature detection circuit 6 are also connected with the power supply circuit 4, and the driving circuit 3 is also connected with the phase sequence detection circuit 2.
And three phase sequence detection circuits are arranged in the control circuit and are respectively used for detecting the three phases of the motor.
As shown in fig. 2, the phase sequence detection circuit 2 includes a first resistor R35, a second resistor R37, a third resistor R38, an optocoupler PC817 and a first capacitor C24, where the first resistor R35, the second resistor R37 and the third resistor R38 are all connected to the optocoupler PC817, the first resistor R35 and the second resistor R37 are also connected to the driving circuit, and the third resistor R38 is connected to the main control chip; the third resistor R38 is further connected to the first capacitor C24 at the junction with the optocoupler PC 817.
As shown in fig. 3, the power supply circuit 4 includes an AC-DC circuit, the AC-DC circuit includes a DC power supply U12, a fuse F1, and a sliding resistor R11, where the sliding resistor R11 is connected in parallel with the DC power supply U12, a connection end of the sliding resistor R11 is further connected with the fuse F1, and the other connection ends of the sliding resistor R11 and the fuse F1 are both connected with the driving circuit.
The AC-DC circuit further comprises a first electrolytic capacitor C14 and a second capacitor C11, and the first electrolytic capacitor C14 and the second capacitor C11 are connected in parallel and then connected with the direct current power supply U12.
As shown in fig. 4, the power supply circuit 4 further includes a DC-DC circuit, where the DC-DC circuit includes a voltage regulator U1, a first diode D5, an inductor L1, a third capacitor C10, and a second electrolytic capacitor C9, where a control input pin ON/OFF of the voltage regulator U1 is connected to the first diode D5, a switching voltage Output pin Output of the voltage regulator U1 is connected to the inductor L1, and the third capacitor C10 and the second electrolytic capacitor C9 are connected in parallel and then connected to the inductor L1, and a switching voltage Output pin Output of the voltage regulator U1 is further connected to the first diode D5.
As shown in fig. 5, the current detection circuit 5 includes a rectifier bridge U11, a second diode D6, a fourth resistor R1, and a fifth resistor R2, where a positive electrode pin of the rectifier bridge U11 is connected to the second diode D6, the fourth resistor R1, and the fifth resistor R2, the fifth resistor R2 is connected to the main control chip, and the fourth resistor R1 is connected to the power supply circuit.
As shown in fig. 6, the temperature detection circuit 6 includes a temperature sensor T1, a fourth capacitor C2, a sixth resistor R7, and a seventh resistor R8, where the temperature sensor T1 is connected to the fourth capacitor C2, the sixth resistor R7, and the seventh resistor R8, the seventh resistor R8 is connected to the main control chip, the sixth resistor R7 is connected to the power circuit, and the fourth capacitor C2 is grounded.
As shown in fig. 7, the driving circuit 3 includes a driving chip IC3, an eighth resistor R22, and a driving sub-circuit, input pins of the driving chip IC3 are all connected to the eighth resistor R22, and output pins of the driving chip IC3 corresponding to the eighth resistor R22 are connected to the driving sub-circuit, and the driving sub-circuit is used for driving three phases of oil smoke separation, electronic purification, illumination, and motor; and output pins of the drive chip IC3 are connected with the main control chip.
Preferably, the driving circuit 3 further includes a fifth capacitor C15, and the serial communication pin COM of the driving chip IC3 is connected to the fifth capacitor C15.
As shown in fig. 8, the driving sub-circuit includes a ninth resistor R40, a light emitting diode LED, a third diode D10 and a relay K4, where the ninth resistor R40 and the light emitting diode LED are connected and then connected in parallel with the third diode D10 and the relay K4, respectively, and the other two connection ends of the relay K4 in the driving sub-circuit for driving oil smoke separation, electronic purification and illumination are connected with a power supply circuit, and the other two connection ends of the relay K4 in the three-phase sub-circuit for driving the motor are connected with a phase sequence detection circuit.
In some preferred embodiments, the driving chip is of the model ULN2003A.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
Claims (10)
1. The control circuit for the multifunctional commercial fume purification integrated machine is characterized by comprising a main control chip, and a phase sequence detection circuit, a driving circuit, a power supply circuit, a current detection circuit and a temperature detection circuit which are connected with the main control chip; the driving circuit, the current detection circuit and the temperature detection circuit are further connected with the power supply circuit, and the driving circuit is further connected with the phase sequence detection circuit.
2. The control circuit for the multifunctional commercial oil smoke purifying integrated machine according to claim 1, wherein three phase sequence detection circuits are arranged in the control circuit and are respectively used for detecting three phases of a motor.
3. The control circuit for the multifunctional commercial fume purification integrated machine according to claim 2, wherein the phase sequence detection circuit comprises a first resistor, a second resistor, a third resistor, an optical coupler and a first capacitor, wherein the first resistor, the second resistor and the third resistor are all connected with the optical coupler, the first resistor and the second resistor are also connected with the driving circuit, and the third resistor is connected with the main control chip; the third resistor is also connected with the first capacitor at the connection point of the optical coupler.
4. The control circuit for the multifunctional commercial fume purification integrated machine according to claim 1, wherein the power supply circuit comprises an AC-DC circuit, the AC-DC circuit comprises a direct current power supply, a fuse and a sliding resistor, the sliding resistor is connected with the direct current power supply in parallel, one connecting end of the sliding resistor is further connected with the fuse, and the other connecting ends of the sliding resistor and the fuse are both connected with the driving circuit.
5. The control circuit for the multifunctional commercial fume purification integrated machine according to claim 4, wherein the power supply circuit further comprises a DC-DC circuit, the DC-DC circuit comprises a voltage stabilizer, an inductor, a third capacitor and a second electrolytic capacitor, a switching voltage output pin of the voltage stabilizer is connected with the inductor, and the third capacitor and the second electrolytic capacitor are connected with the inductor in parallel.
6. The control circuit for the multifunctional commercial fume purification integrated machine according to claim 1, wherein the current detection circuit comprises a rectifier bridge, a second diode, a fourth resistor and a fifth resistor, the positive electrode pin of the rectifier bridge is respectively connected with the second diode, the fourth resistor and the fifth resistor, and the fifth resistor is connected with the main control chip.
7. The control circuit for the multifunctional commercial fume purification integrated machine according to claim 1, wherein the temperature detection circuit comprises a temperature sensor, a fourth capacitor, a sixth resistor and a seventh resistor, the temperature sensor is respectively connected with the fourth capacitor, the sixth resistor and the seventh resistor, and the seventh resistor is connected with the main control chip.
8. The control circuit for the multifunctional commercial fume purification integrated machine according to claim 1, wherein the driving circuit comprises a driving chip, an eighth resistor and a driving sub-circuit, input pins of the driving chip are connected with the eighth resistor, and output pins of the driving chip corresponding to the eighth resistor are connected with the driving sub-circuit.
9. The control circuit for the multifunctional commercial fume purification integrated machine according to claim 8, wherein the driving sub-circuit comprises a ninth resistor, a light emitting diode, a third diode and a relay, and the ninth resistor and the light emitting diode are connected in parallel with the third diode and the relay respectively.
10. The control circuit for a multifunctional commercial fume purification all-in-one machine according to claim 8, wherein the driving chip is of the model ULN2003A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320770722.XU CN219496944U (en) | 2023-04-10 | 2023-04-10 | Control circuit for multifunctional commercial oil smoke purifying integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320770722.XU CN219496944U (en) | 2023-04-10 | 2023-04-10 | Control circuit for multifunctional commercial oil smoke purifying integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219496944U true CN219496944U (en) | 2023-08-08 |
Family
ID=87477097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320770722.XU Active CN219496944U (en) | 2023-04-10 | 2023-04-10 | Control circuit for multifunctional commercial oil smoke purifying integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219496944U (en) |
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2023
- 2023-04-10 CN CN202320770722.XU patent/CN219496944U/en active Active
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