CN210954689U - Floor cleaning machine control circuit - Google Patents
Floor cleaning machine control circuit Download PDFInfo
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- CN210954689U CN210954689U CN201922345210.5U CN201922345210U CN210954689U CN 210954689 U CN210954689 U CN 210954689U CN 201922345210 U CN201922345210 U CN 201922345210U CN 210954689 U CN210954689 U CN 210954689U
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Abstract
The utility model provides a scrubber control circuit, it is including master control circuit, reserve control circuit, master insurance, wherein, power one end and master control circuit, reserve control circuit connection, the power other end is connected with master control circuit, reserve control circuit connection respectively, and the master insurance other end can effectively detect the electric current of water-absorbing motor after adopting master spare control circuit, protects the water-absorbing motor simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the electronic circuit technique and specifically relates to indicate a scrubber control circuit.
Background
Most of the existing floor washing machine control circuits are single circuit systems, and once the circuits are damaged, the circuits cannot be used any more, and the whole control circuit needs to be replaced.
Disclosure of Invention
An object of the utility model is to overcome prior art's is not enough, provides one kind and can effectively detect the electric current of water-absorbing motor, carries out the scrubber control circuit who protects to the water-absorbing motor simultaneously.
In order to achieve the above object, the present invention provides a technical solution: a floor washing machine control circuit comprises a main control circuit, a standby control circuit and a main safety, wherein one end of a power supply is connected with the main control circuit and the standby control circuit, the other end of the power supply is connected with one end of the main safety, the other end of the main safety is respectively connected with the main control circuit and the standby control circuit, the main control circuit and the standby control circuit have the same structure and respectively comprise a first diode, a fourth diode and a voltage stabilizing diode, wherein the positive end of a water absorption motor is connected with a first pin 1 of a control switch, the negative end of the water absorption motor is connected with one end of a fourth resistor and then connected with one end of a second resistor, the other end of the second resistor is connected with a first pin 3 of a first comparator, a second pin 2 of the first comparator is respectively connected with one end of a fourth capacitor, a third resistor and a first resistor, and the other end of the first resistor is connected with the first pin 1 of the first comparator and then; the other ends of the fourth capacitor and the third resistor are connected with each other and then grounded; the other end of the fourth resistor is connected with the negative electrode of a power supply, a 5 th pin of the control switch is connected with one end of a small fuse, the other end of the small fuse is connected with a total fuse, a 4 th pin of the control switch is connected with one end of a voltage stabilizing diode and then connected with an external BATTERY + pin, the other end of the voltage stabilizing diode is connected with one end of a first diode, the other end of the first diode is connected with a 3 rd pin of the control switch and then connected with a collector of a triode, an emitting electrode of the triode is grounded, and a base electrode of the triode is.
The number of the fourth resistors is 4 in parallel.
And a transformation coil is connected between the positive end of the water absorption motor in the main control circuit and the No. 1 pin of the control switch, and the transformation coil is connected with the other end of the fourth resistor.
By adopting the above technical scheme, the utility model, voltage transformation coil is used for detecting master control circuit's control current, and when the electric current was too big, little insurance fusing in the master control circuit, control switch normally opened, and master control circuit is out of work, and the control switch normal close in the stand-by circuit this moment, stand-by circuit begin to work can effectively detect the electric current of water-absorbing motor after adopting the activestandby control circuit, protects the water-absorbing motor simultaneously.
Drawings
Fig. 1 is a schematic diagram of the circuit distribution of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings, and the preferred embodiment of the present invention is: referring to fig. 1, the control circuit of the floor washing machine according to this embodiment includes a main control circuit, a standby control circuit, and a master fuse F1, wherein one end of a power supply is connected to the main control circuit and the standby control circuit, the other end of the power supply is connected to one end of the master fuse F1, the other end of the master fuse F1 is connected to the main control circuit and the standby control circuit, the main control circuit and the standby control circuit have the same structure, and each of the main control circuit and the standby control circuit includes a first diode D1, a fourth diode D4, and a voltage stabilizing diode ZD1, wherein an anode end of a water absorption motor M1 is connected to the 1 st pin of a control switch RL1, a cathode end of a water absorption motor M7 is connected to one end of a fourth resistor R40 and then to one end of a second resistor R289, a transforming coil J11 is connected between an anode end of a water absorption motor M1 in the main control circuit and the 1 st pin of the control switch RL 1. The other end of the second resistor R289 is connected with the 3 rd pin of the first comparator IC201A, the 2 nd pin of the first comparator IC201A is connected with one end of the fourth capacitor C4, one end of the third resistor R3 and one end of the first resistor R1, and the other end of the first resistor R1 is connected with the 1 st pin of the first comparator IC201A for output; the other ends of the fourth capacitor C4 and the third resistor R3 are connected with the ground after being interconnected; the other end of a fourth resistor R40 is connected with the negative electrode of a power supply, 4 fourth resistors R40 are connected in parallel, a 5 th pin of a control switch RL1 is connected with one end of a small fuse F2, the other end of the small fuse F2 is connected with a total fuse F1, a 4 th pin of the control switch RL1 is connected with one end of a zener diode ZD1 and then connected with an external BATTERY + pin, the other end of the zener diode ZD1 is connected with one end of a first diode D1, the other end of the first diode D1 is connected with a 3 rd pin of a control switch RL1 and then connected with a collector of a triode Q205, an emitter of the triode Q205 is grounded, and a base of the triode Q205 is connected with. The transformer coil of this embodiment is used for detecting master control circuit's control current, and when the electric current was too big, little insurance fusing in the master control circuit, control switch normally opened, and master control circuit is out of work, and the control switch normal close in the stand-by circuit this moment, stand-by circuit begin work can carry out effective detection to the electric current of water-absorbing motor after adopting master spare control circuit, protects the water-absorbing motor simultaneously.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. A floor scrubber control circuit, its characterized in that: the device comprises a main control circuit, a standby control circuit and a total fuse (F1), wherein one end of a power supply is connected with the main control circuit and the standby control circuit, the other end of the power supply is connected with one end of the total fuse (F1), the other end of the total fuse (F1) is respectively connected with the main control circuit and the standby control circuit, the main control circuit and the standby control circuit have the same structure and respectively comprise a first diode (D1), a fourth diode (D4) and a zener diode (ZD 1), wherein the positive end of a water absorption motor (M1) is connected with a first pin 1 of a control switch (RL 1), the negative end of the water absorption motor (M1) is connected with one end of a fourth resistor (R40) and then connected with one end of a second resistor (R289), the other end of the second resistor (R289) is connected with a pin 3 of a first comparator (IC 201A), a pin 2 of the first comparator (IC 201A) is respectively connected with a fourth capacitor (C4), a third resistor (R3) and a first resistor (R1), the other end of the first resistor (R1) is connected with the 1 st pin of the first comparator (IC 201A) and then outputs; the other ends of the fourth capacitor (C4) and the third resistor (R3) are interconnected and then grounded; the other end of the fourth resistor (R40) is connected with the negative electrode of a power supply, a 5 th pin of the control switch (RL 1) is connected with one end of a small fuse (F2), the other end of the small fuse (F2) is connected with a total fuse (F1), a 4 th pin of the control switch (RL 1) is connected with one end of a voltage stabilizing diode (ZD 1) and then connected with an external BATTERY + pin, the other end of the voltage stabilizing diode (ZD 1) is connected with one end of a first diode (D1), the other end of the first diode (D1) is connected with a 3 rd pin of the control switch (RL 1) and then connected with a collector of the triode (Q205), an emitter of the triode (Q205) is grounded, and a base of the triode (Q205) is connected with an external pin.
2. The control circuit of claim 1, wherein: the number of the fourth resistors (R40) is 4 in parallel.
3. The control circuit of claim 1, wherein: a transformation coil (J11) is connected between the positive end of a water absorption motor (M1) in the main control circuit and the 1 st pin of the control switch (RL 1), and the transformation coil (J11) is connected with the other end of the fourth resistor (R40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345210.5U CN210954689U (en) | 2019-12-24 | 2019-12-24 | Floor cleaning machine control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922345210.5U CN210954689U (en) | 2019-12-24 | 2019-12-24 | Floor cleaning machine control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210954689U true CN210954689U (en) | 2020-07-07 |
Family
ID=71381221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922345210.5U Active CN210954689U (en) | 2019-12-24 | 2019-12-24 | Floor cleaning machine control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210954689U (en) |
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2019
- 2019-12-24 CN CN201922345210.5U patent/CN210954689U/en active Active
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