CN215258095U - Tap control box and tap - Google Patents
Tap control box and tap Download PDFInfo
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- CN215258095U CN215258095U CN202121371897.0U CN202121371897U CN215258095U CN 215258095 U CN215258095 U CN 215258095U CN 202121371897 U CN202121371897 U CN 202121371897U CN 215258095 U CN215258095 U CN 215258095U
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Abstract
The utility model relates to a tap technical field. The utility model discloses a control box and tap of tap, wherein, the control box of tap includes lithium thionyl chloride battery, lithium-manganese dioxide battery, the MCU treater, voltage stabilizing circuit, boost circuit and solenoid valve drive circuit, lithium thionyl chloride battery passes through voltage stabilizing circuit and is the infrared induction unit power supply of MCU treater and this tap, lithium-manganese dioxide battery passes through the boost circuit and supplies power for solenoid valve drive circuit after stepping up, solenoid valve drive circuit is used for driving solenoid valve, boost circuit and solenoid valve drive circuit's control end is connected with the control output of MCU treater respectively. The utility model discloses a battery duration is long, can reach more than 10 years under the normal use condition, improves user experience, and simple structure, easily realizes, and is with low costs.
Description
Technical Field
The utility model belongs to the technical field of the tap, specifically relate to a control box and tap of tap.
Background
At present, kitchen tap with infrared induction function is because small, therefore most of products are the components of a whole that can function independently structure, infrared induction unit sets up on leading body promptly, main control board and battery setting are in the control box under the mesa, the main control board is equipped with power conversion circuit, MCU treater and solenoid valve drive circuit etc. for the MCU treater after the battery passes through the power conversion circuit conversion, solenoid valve drive circuit and infrared induction unit power supply, the main control board receives infrared induction unit's sensing signal, handle the back and carry out corresponding action through solenoid valve drive circuit drive solenoid valve.
The batteries of most of the existing products are two common No. 7 batteries, under the normal use condition (water is switched on and off 100 times every day), the batteries need to be replaced in about 1-1.5 years, the batteries in the control box are relatively troublesome to replace, particularly for people with poor manual ability, the batteries are more troublesome to replace, and the user experience is reduced.
In order to prolong the service life of the battery, the disposable lithium battery is used for supplying power, the capacity of the disposable lithium battery is high, the service life is greatly prolonged, however, when the existing power supply is carried out by adopting the disposable lithium battery, the disposable lithium battery is firstly boosted, one path of the boosted power supply supplies power to the electromagnetic valve driving circuit, the other path of the boosted power supply supplies power to the MCU processor and the infrared sensing unit by reducing the voltage again, and more electric quantity is consumed due to efficiency loss in the boosting-reducing process, in order to achieve a service life of more than 10 years, a battery with a large capacity is required, resulting in high cost, and if a lithium thionyl chloride battery is used for power supply, because the output current of the lithium thionyl chloride battery is small, an SPC capacitor (battery capacitor) is generally required to be connected in parallel at two ends of the battery in order to drive a large-current electromagnetic valve, and the SPC capacitor is expensive, so that the cost is further increased.
Disclosure of Invention
An object of the utility model is to provide a control box and tap of tap are used for solving the above-mentioned technical problem who exists.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a control box of tap, including lithium thionyl chloride battery, lithium-manganese dioxide battery, the MCU treater, voltage stabilizing circuit, boost circuit and solenoid valve drive circuit, lithium thionyl chloride battery passes through voltage stabilizing circuit and supplies power for the infrared induction unit of MCU treater and this tap, lithium-manganese dioxide battery passes through the boost circuit and supplies power for solenoid valve drive circuit after stepping up, solenoid valve drive circuit is used for driving the solenoid valve, boost circuit and solenoid valve drive circuit's control end are connected with the control output of MCU treater respectively.
Further, the voltage regulator circuit is a 3.3V voltage regulator circuit and is implemented by a linear voltage regulator chip U3 with the model number HT 7133.
Furthermore, a first battery anti-reverse connection circuit is arranged between the lithium thionyl chloride battery and the voltage stabilizing circuit.
Furthermore, the first battery reverse connection prevention circuit is realized by a PMOS pipe Q2.
Further, the boost circuit is a 6V boost circuit and is realized by adopting a switching regulator U2 with the model number of XC9111C601 MR-G.
Furthermore, a second battery anti-reverse connection circuit is arranged between the lithium-manganese dioxide battery and the booster circuit.
Furthermore, the second battery anti-reverse connection circuit is realized by adopting a PMOS pipe Q1.
Further, the electromagnetic valve driving circuit is realized by a driving chip U4 with the model number DRV 8837.
Furthermore, the model of the lithium thionyl chloride battery is ER14505, and the model of the lithium-manganese dioxide battery is CR 123A.
The utility model also provides a tap is equipped with the control box of foretell tap.
The utility model has the advantages of:
1. the utility model discloses a lithium thionyl chloride battery and lithium-manganese dioxide battery supply power, and battery capacity is big, has prolonged battery life greatly (can reach more than 10 years), reduces the battery and changes the number of times, promotes user experience.
2. Pass through voltage stabilizing circuit by lithium thionyl chloride battery and supply power for MCU treater and this tap's infrared induction unit, need not to step up and step down again, avoided step up-step down the in-process because of the problem of the more electric quantity of efficiency loss consumption, thereby can reduce the requirement to battery capacity, thereby reduce cost, and because MCU treater and infrared induction unit's electric current is less, lithium thionyl chloride battery's both ends need not parallelly connected SPC electric capacity, further reduce cost.
3. The lithium-manganese dioxide battery is adopted to supply power to the electromagnetic valve driving circuit to drive the electromagnetic valve after being boosted by the booster circuit, the output current of the lithium-manganese dioxide battery is large, SPC capacitors do not need to be connected in parallel at two ends of the battery, the cost is further reduced, in normal use, the electromagnetic valve is not required to be switched for a long time, most of the electromagnetic valve is not in a static state of a switching valve, and the booster circuit can be switched off and does not work at the moment, so that a large amount of electric energy is further saved.
4. The utility model discloses do not have the step-down circuit, circuit structure is simple, easily realizes, and is with low costs.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a circuit block diagram of a first embodiment of the present invention;
fig. 2 is a circuit diagram of a first embodiment of the present invention.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The present invention will now be further described with reference to the accompanying drawings and detailed description.
Example one
As shown in fig. 1 and 2, a control box of a faucet comprises a lithium thionyl chloride battery 1, a lithium-manganese dioxide battery 4, an MCU processor 3, a voltage stabilizing circuit 2, a booster circuit 5 and an electromagnetic valve driving circuit 6, wherein the lithium thionyl chloride battery 1 supplies power to the MCU processor 3 and an infrared sensing unit 8 of the faucet through the voltage stabilizing circuit 2, the lithium-manganese dioxide battery 4 supplies power to the electromagnetic valve driving circuit 6 after being boosted through the booster circuit 5, the electromagnetic valve driving circuit 6 is used for driving an electromagnetic valve 7, and control ends of the booster circuit 5 and the electromagnetic valve driving circuit 6 are respectively connected with a control output end of the MCU processor 3.
In the specific embodiment, the lithium thionyl chloride battery 1 is ER14505, the battery voltage is 3.6V, and the capacity is 2700 mAH; the lithium-manganese dioxide battery is of the type CR123A, the battery voltage is 3.0V, the capacity is 1400mAH, the service life of more than 10 years under the normal use condition can be met, and the battery capacity is lower, so that the cost is reduced, but the invention is not limited to this.
In this embodiment, the voltage regulator circuit 2 is a 3.3V voltage regulator circuit, and is implemented by using a linear voltage regulator chip U3 with model number HT7133, which has low power consumption, simple circuit structure and easy implementation, and the specific circuit is shown in fig. 2, which is not described in detail, wherein the port BT _ ER is an input terminal of the lithium thionyl chloride battery 1 and is connected to the positive electrode of the lithium thionyl chloride battery 1. Of course, in other embodiments, the voltage regulator circuit 2 may be implemented by other existing voltage regulator circuits.
Furthermore, in this embodiment, an anti-reverse connection circuit for the first battery is further disposed between the lithium thionyl chloride battery 1 and the voltage stabilizing circuit 2, so as to improve the safety and reliability of the circuit.
Specifically, in this embodiment, the first battery reverse connection prevention circuit is implemented by using a PMOS transistor Q2, the reverse connection prevention effect is good, the circuit structure is simple, the implementation is easy, and the power consumption is low, and the specific circuit connection please refer to fig. 2 in detail, which is not described in detail. Of course, in some embodiments, the first battery reverse connection prevention circuit can also be implemented by using other existing reverse connection prevention circuits.
In this embodiment, the voltage boost circuit 5 is a 6V voltage boost circuit, and is implemented by using a switching regulator U2 of model XC9111C601MR-G, which has a good voltage boost effect and a simple circuit structure, and is easy to implement, wherein the BT _ CR port is an input terminal of the lithium-manganese dioxide battery 4 and is connected to a positive electrode of the lithium-manganese dioxide battery 4, and a CE pin (control terminal) of the switching regulator U2 is connected to a VDD _ EN terminal (control output terminal) of the MCU processor 3, and more specific circuit connection is shown in fig. 2, which is not described in detail. Of course, in some embodiments, the boosting circuit 5 can also be implemented by using other existing boosting circuits.
Furthermore, in this embodiment, a second battery reverse connection prevention circuit is further disposed between the lithium-manganese dioxide battery 4 and the voltage boost circuit 5, so as to improve the safety and reliability of the circuit.
Specifically, the second battery reverse connection prevention circuit is realized by adopting a PMOS transistor Q1, the reverse connection prevention effect is good, the circuit structure is simple, the implementation is easy, and the power consumption is low, and the specific circuit connection please refer to fig. 2 in detail, which is not described in detail. Of course, in some embodiments, the first battery reverse connection prevention circuit can also be implemented by using other existing reverse connection prevention circuits.
In this embodiment, the electromagnetic valve driving circuit 6 is implemented by a driving chip U4 with a model number DRV8837, and the specific circuit connection is shown in fig. 2, which is not described in detail. Of course, in some embodiments, the solenoid valve driving circuit 6 may also be implemented by using other existing solenoid valve driving circuits.
In this embodiment, the MCU processor 3, the voltage regulator circuit 2, the booster circuit 5, and the solenoid valve driving circuit 6 are disposed on the same PCB to form a main control board, so that the structure is more compact.
In this embodiment, the electromagnetic valve 7 may be disposed in the control box or outside the control box.
In this embodiment, the infrared sensing unit 8 can be various existing infrared sensing probes with a working voltage of 3.3V applied to the faucet.
The working process is as follows:
the output voltage of the lithium thionyl chloride battery 1 is stabilized to 3.3V through the voltage stabilizing circuit 2 and then supplies power for the MCU processor 3 and the infrared sensing unit 8 of the faucet, when the infrared sensing unit 8 senses a signal, the sensing signal is transmitted to the MCU processor 3, the MCU processor 3 outputs a control signal to the booster circuit 5 to enable the booster circuit 5 to work, the booster circuit 5 boosts the output voltage of the lithium-manganese dioxide battery 4 to 6V and then outputs the output voltage to the electromagnetic valve driving circuit 6, the MCU processor 3 controls the electromagnetic valve driving circuit 6 to drive the electromagnetic valve 7 to correspondingly act to enable the faucet to switch on and off water, and when the infrared sensing unit 8 does not sense a signal, the MCU processor 3 controls the booster circuit 5 to stop working to save energy consumption.
Example two
The utility model also provides a tap is equipped with the control box of foretell tap.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A control box of a faucet is characterized in that: the intelligent control system comprises a lithium thionyl chloride battery, a lithium-manganese dioxide battery, an MCU (microprogrammed control unit) processor, a voltage stabilizing circuit, a booster circuit and an electromagnetic valve driving circuit, wherein the lithium thionyl chloride battery supplies power for the MCU processor and an infrared sensing unit of the faucet through the voltage stabilizing circuit, the lithium-manganese dioxide battery supplies power for the electromagnetic valve driving circuit after being boosted through the booster circuit, the electromagnetic valve driving circuit is used for driving an electromagnetic valve, and control ends of the booster circuit and the electromagnetic valve driving circuit are respectively connected with a control output end of the MCU processor.
2. The control box of a faucet of claim 1, wherein: the voltage stabilizing circuit is a 3.3V voltage stabilizing circuit and is realized by adopting a linear voltage stabilizing chip U3 with the model number of HT 7133.
3. The control box of a faucet of claim 1, wherein: and a first battery reverse connection prevention circuit is also arranged between the lithium thionyl chloride battery and the voltage stabilizing circuit.
4. A control box of a faucet according to claim 3, characterized in that: the first battery reverse connection prevention circuit is realized by adopting a PMOS tube Q2.
5. The control box of a faucet of claim 1, wherein: the boost circuit is a 6V boost circuit and is realized by adopting a switching regulator U2 with the model number of XC9111C601 MR-G.
6. The control box of a faucet of claim 5, wherein: and a second battery reverse connection prevention circuit is also arranged between the lithium-manganese dioxide battery and the booster circuit.
7. The control box of a faucet of claim 6, wherein: the second battery anti-reverse connection circuit is realized by adopting a PMOS pipe Q1.
8. The control box of a faucet of claim 1, wherein: the electromagnetic valve driving circuit is realized by adopting a driving chip U4 with the model number DRV 8837.
9. The control box of a faucet of claim 1, wherein: the model of the lithium thionyl chloride battery is ER14505, and the model of the lithium-manganese dioxide battery is CR 123A.
10. A faucet, characterized by: control box provided with a tap according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121371897.0U CN215258095U (en) | 2021-06-21 | 2021-06-21 | Tap control box and tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121371897.0U CN215258095U (en) | 2021-06-21 | 2021-06-21 | Tap control box and tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215258095U true CN215258095U (en) | 2021-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121371897.0U Active CN215258095U (en) | 2021-06-21 | 2021-06-21 | Tap control box and tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215258095U (en) |
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2021
- 2021-06-21 CN CN202121371897.0U patent/CN215258095U/en active Active
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