CN219760704U - Intelligent AC/DC dual-power automatic switching device and kitchen and toilet equipment - Google Patents
Intelligent AC/DC dual-power automatic switching device and kitchen and toilet equipment Download PDFInfo
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- CN219760704U CN219760704U CN202321096325.5U CN202321096325U CN219760704U CN 219760704 U CN219760704 U CN 219760704U CN 202321096325 U CN202321096325 U CN 202321096325U CN 219760704 U CN219760704 U CN 219760704U
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Abstract
The utility model relates to an intelligent AC/DC dual-power automatic switching device and kitchen and toilet equipment, the device comprises: an adapter for connecting to an ac power source; the battery module is used for providing direct current; the switching circuit, the battery interface is connected to battery module; an adapter interface, the adapter interface being connected to the adapter; the output interface is used for connecting load equipment; the enabling end of the first switching element is connected with the adapter interface and the ground, and the source electrode end of the first switching element is connected with the battery interface; the anode of the first diode is connected with the drain terminal of the first switching element, and the cathode of the first diode is connected with the output interface; the anode of the second diode is connected to the adapter interface, and the cathode of the diode is connected to the output interface. When the power is cut off, the kitchen and bathroom equipment can still be normally used, so that the problem that inconvenience is brought to a user in using the kitchen and bathroom equipment due to power cut is avoided.
Description
Technical Field
The utility model relates to the technical field of power supplies, in particular to an intelligent alternating current-direct current dual-power supply automatic switching device and kitchen and toilet equipment.
Background
Along with the continuous progress of the social and economic level, the level of kitchen and bath equipment used in daily life is also continuously improved. The kitchen and bathroom equipment is more and more intelligent, and along with the intellectualization of the kitchen and bathroom equipment, an external power supply is needed to supply power for the kitchen and bathroom equipment; such as an electric heating faucet, an intelligent closestool, an intelligent urinal and the like, all of which can work normally only by being externally connected with commercial power. However, the existing kitchen and bathroom equipment can work only by being connected with the mains supply, and when power failure occurs, the kitchen and bathroom equipment cannot work normally, so that the kitchen and bathroom equipment is inconvenient for users to use.
Disclosure of Invention
In view of the above problems, the utility model provides an intelligent alternating current-direct current dual-power automatic switching device and kitchen and toilet equipment, which solve the problems that the existing power-consumption kitchen and toilet equipment needs to be externally connected with commercial power, and when power failure occurs, the kitchen and toilet equipment cannot be normally used, and inconvenience is brought to users.
In order to achieve the above object, the present inventors provide an intelligent ac/dc dual power automatic switching device, comprising:
the adapter is used for being connected with an alternating current power supply and converting the alternating current power supply into a direct current power supply;
a battery module for providing direct current;
a switching circuit, the switching circuit comprising:
the battery interface is connected with the battery module;
an adapter interface, the adapter interface being connected to an adapter;
the output interface is used for connecting load equipment;
the enabling end of the first switching element is connected with the adapter interface and the ground, and the source electrode end of the first switching element is connected with the battery interface;
the anode of the first diode is connected with the drain terminal of the first switching element, and the cathode of the first diode is connected with the output interface;
and the anode of the second diode is connected with the adapter interface, and the cathode of the second diode is connected with the output interface.
In some embodiments, the adapter further comprises a second switching element, the enable terminal of the second switching element is connected to the adapter interface and to ground, the drain terminal of the second switching element is connected to the drain terminal of the first switching element, and the source terminal of the second switching element is connected to the output interface;
the first diode is a body diode of the second switching element.
In some embodiments, the first and second switching elements are P-channel MOS transistors.
In some embodiments, the first switching element and the second switching element are each NP2301 in model number.
In some embodiments, the adapter further comprises a third switching element, wherein an enabling end and a source end of the third switching element are connected to the adapter interface, and a drain end of the third switching element is connected to the output interface;
the second diode is a body diode of the third switching element.
In some embodiments, the third switching element is an N-channel element.
Still provide another technical scheme, a kitchen guarding's equipment, kitchen guarding's equipment includes power module, power module is above-mentioned intelligent alternating current-direct current dual supply automatic switching control equipment.
In some embodiments, the kitchen and toilet equipment includes an electric heating faucet, a smart toilet, and a smart urinal.
Different from the prior art, the technical scheme is that the adapter is inserted into the commercial power socket to be connected with the commercial power, the adapter interface is connected with the switching circuit, and the battery module is connected with the switching circuit through the battery interface; when the mains supply works normally, the adapter converts alternating current power supply of the mains supply into direct current power supply, the adapter interface is provided with direct current power supply input, the enabling end of the first switching element is provided with DC voltage input, the first switching element is cut off, the battery interface and the output interface are disconnected, the adapter interface is connected to the output interface through the second diode, power is supplied to kitchen and toilet equipment through the output interface, and meanwhile the direct current power supply input by the adapter interface is prevented from entering the battery module through the first diode; when the mains supply fails, the enabling end of the first switching element is grounded, at the moment, the first switching element is conducted, the battery interface is connected to the output interface through the first switching element and the first diode, the battery module supplies power to kitchen and toilet equipment, and meanwhile, the direct-current power supply output by the battery module is cut off through the second diode; can supply power for kitchen and bathroom equipment through intelligent alternating current-direct current dual supply automatic switching control equipment, when the commercial power normal operating, then change over switch switches to the adapter, supply power for kitchen and bathroom equipment through the commercial power, and when the unable normal operating of commercial power, if outage or voltage are too low, then change over switch can switch to battery module, supply power for kitchen and bathroom equipment through battery module, even be in the state of outage, kitchen and bathroom equipment still can normal use, convenient user's use, avoid the outage to bring inconvenient problem for user's use kitchen and bathroom equipment.
The foregoing summary is merely an overview of the present utility model, and may be implemented according to the text and the accompanying drawings in order to make it clear to a person skilled in the art that the present utility model may be implemented, and in order to make the above-mentioned objects and other objects, features and advantages of the present utility model more easily understood, the following description will be given with reference to the specific embodiments and the accompanying drawings of the present utility model.
Drawings
The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of the present utility model and are not to be construed as limiting the utility model.
In the drawings of the specification:
fig. 1 is a schematic structural diagram of an intelligent ac/dc dual-power automatic switching device according to an embodiment;
fig. 2 is another schematic structural diagram of a schematic structural diagram of an intelligent ac/dc dual-power automatic switching device according to an embodiment;
fig. 3 is a schematic circuit diagram of an intelligent ac/dc dual-power automatic switching device according to an embodiment;
fig. 4 is a schematic diagram of another circuit principle of the intelligent ac/dc dual-power automatic switching device according to the embodiment;
fig. 5 is a schematic structural view of the kitchen and bathroom equipment according to the embodiment.
Reference numerals referred to in the above drawings are explained as follows:
110. the dimensions of the adapter are such that,
120. the battery module is provided with a plurality of battery cells,
130. the switching circuitry is configured to switch the switching circuitry,
131. a first switching element 132, a first diode 133, and a second diode;
200. a kitchen and toilet equipment, which comprises a kitchen and toilet equipment,
210. and a power supply module.
Detailed Description
In order to describe the possible application scenarios, technical principles, practical embodiments, and the like of the present utility model in detail, the following description is made with reference to the specific embodiments and the accompanying drawings. The embodiments described herein are only for more clearly illustrating the technical aspects of the present utility model, and thus are only exemplary and not intended to limit the scope of the present utility model.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of the phrase "in various places in the specification are not necessarily all referring to the same embodiment, nor are they particularly limited to independence or relevance from other embodiments. In principle, in the present utility model, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment may be combined in any manner to form a corresponding implementable technical solution.
Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present utility model pertains; the use of related terms herein is for the purpose of describing particular embodiments only and is not intended to limit the utility model.
In the description of the present utility model, the term "and/or" is a representation for describing a logical relationship between objects, which means that three relationships may exist, for example a and/or B, representing: there are three cases, a, B, and both a and B. In addition, the character "/" herein generally indicates that the front-to-back associated object is an "or" logical relationship.
In the present utility model, terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual number, order, or sequence of such entities or operations.
Without further limitation, the use of the terms "comprising," "including," "having," or other like terms in this specification is intended to cover a non-exclusive inclusion, such that a process, method, or article of manufacture that comprises a list of elements does not include additional elements but may include other elements not expressly listed or inherent to such process, method, or article of manufacture.
As in the understanding of "review guidelines," the expressions "greater than", "less than", "exceeding" and the like are understood to exclude this number in the present utility model; the expressions "above", "below", "within" and the like are understood to include this number. Furthermore, in the description of embodiments of the present utility model, the meaning of "a plurality of" is two or more (including two), and similarly, the expression "a plurality of" is also to be understood as such, for example, "a plurality of" and the like, unless specifically defined otherwise.
In the description of embodiments of the present utility model, spatially relative terms such as "center," "longitudinal," "transverse," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counter-clockwise," "axial," "radial," "circumferential," etc., are used herein as a basis for the description of the embodiments or as a basis for the description of the embodiments, and are not intended to indicate or imply that the devices or components referred to must have a particular position, a particular orientation, or be configured or operated in a particular orientation and therefore should not be construed as limiting the embodiments of the present utility model.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "affixed," "disposed," and the like as used in the description of embodiments of the utility model should be construed broadly. For example, the "connection" may be a fixed connection, a detachable connection, or an integral arrangement; the device can be mechanically connected, electrically connected and communicated; it can be directly connected or indirectly connected through an intermediate medium; which may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the embodiments of the present utility model can be understood by those skilled in the art to which the present utility model pertains according to circumstances.
Referring to fig. 1-4, the present embodiment provides an intelligent ac/dc dual-power automatic switching device, which includes:
an adapter 110, the adapter 110 being adapted to be connected to an ac power source and to convert the ac power source to a dc power source;
a battery module 120, the battery module 120 for providing direct current;
a switching circuit 130, the switching circuit 130 comprising:
a battery interface BAT connected to the battery module 120;
an adapter interface DC, said adapter interface DC being connected to the adapter 110;
an output interface OUT for connecting a load device;
a first switching element 131, an enable terminal of the first switching element 131 is connected to the adapter interface DC and ground, and a source terminal of the first switching element 131 is connected to the battery interface BAT; in fig. 3 and 4, the first switching element 131 is a MOS transistor Q1.
A first diode 132, wherein an anode of the first diode 132 is connected to a drain terminal of the first switching element 131, and a cathode of the first diode 132 is connected to the output interface OUT; in fig. 3 and 4, the first diode 132 is a body diode of the MOS transistor Q2.
A second diode 133, an anode of the second diode 133 being connected to the adapter interface DC and a cathode of the diode being connected to the output interface OUT. In fig. 3, the second diode 133 is a diode D1, and in fig. 4, the second diode 133 is a body diode of the MOS transistor Q3.
The adapter 110 is plugged into a commercial power socket to be connected with commercial power, the adapter interface DC is connected to the switching circuit 130, and the battery module 120 is connected to the switching circuit 130 through the battery interface BAT; when the mains supply works normally, the adapter 110 converts the alternating current power supply of the mains supply into direct current power supply, the adapter interface DC has direct current power supply input, the enabling end of the first switching element 131 has DC voltage input, the first switching element 131 is cut off, the battery interface BAT and the output interface OUT are disconnected, the adapter interface DC is connected to the output interface OUT through the second diode 133, power is supplied to kitchen and toilet equipment through the output interface OUT, and meanwhile the direct current power supply input by the adapter interface DC is prevented from entering the battery module 120 through the first diode 132; when the mains supply fails, the enabling end of the first switching element 131 is grounded, and at this time, the first switching element 131 is turned on, so that the battery interface BAT is connected to the output interface OUT through the first switching element 131 and the first diode 132, the battery module 120 supplies power to kitchen and toilet equipment, and the second diode 133 cuts off the direct current power supply output by the battery module 120; the intelligent AC/DC dual-power automatic switching device can supply power for kitchen and toilet equipment, when the commercial power works normally, the switch is switched to the adapter 110, the commercial power supplies power for the kitchen and toilet equipment, when the commercial power cannot work normally, if power failure or too low voltage is caused, the switch can be switched to the battery module 120, the battery module 120 supplies power for the kitchen and toilet equipment, even if the kitchen and toilet equipment is in a power failure state, the kitchen and toilet equipment can still be used normally, the use of a user is facilitated, and the problem that inconvenience is caused when the power failure causes the kitchen and toilet equipment to the user is avoided.
Referring to fig. 3-4, in some embodiments, the power adapter further includes a second switching element, wherein an enable terminal of the second switching element is connected to the adapter interface DC and to the ground, a drain terminal of the second switching element is connected to a drain terminal of the first switching element 131, and a source terminal of the second switching element is connected to the output interface OUT;
the first diode 132 is a body diode of the second switching element. In fig. 3 and 4, the second switching element is a MOS transistor Q2.
When the mains supply works normally, the enabling end of the first switching element 131 and the enabling end of the second switching element have voltage input, at the moment, the first switching element 131 and the second switching element are cut off, the battery interface BAT and the output interface OUT are disconnected, the adapter interface DC is connected to the output interface OUT through the second diode 133, power is supplied to kitchen and toilet equipment through the output interface OUT, and meanwhile, the second switching element is cut off, and the direct current power input by the adapter interface DC is prevented from entering the battery module 120 through the first diode 132; when the utility power cannot normally work, the enabling end of the first switching element 131 and the enabling end of the second switching element are grounded, the first switching element 131 and the second switching element are turned on, and the battery interface BAT is connected to the output interface OUT, so as to supply power to the kitchen and toilet equipment through the battery module 120.
In some embodiments, the first switching element 131 and the second switching element are P-channel MOS transistors. MOS, an abbreviation for MOSFET. MOSFET Metal-Oxide-semiconductor field effect transistor (MOSFETs), referred to as Metal-Oxide-semiconductor field-EffectTransistor, MOSFET. The MOS is used as a switching tube, has high input impedance, small driving power, voltage control in a control mode, is convenient, has high switching speed, has no secondary breakdown, and has pure resistance in the conduction characteristic after conduction. In other embodiments, the first switching element 131 and the second switching element may be transistors.
In some embodiments, the first switching element 131 and the second switching element are each NP2301.NP2301 provides excellent ON-resistance RDS (ON) using advanced trench technology.
Referring to fig. 4, in some embodiments, the circuit further includes a third switching element, wherein an enable terminal and a source terminal of the third switching element are both connected to the adapter interface DC, and a drain terminal of the third switching element is connected to the output interface OUT;
the second diode 133 is a body diode of the third switching element. In fig. 4, the third switching element is a MOS transistor Q3.
In some embodiments, the third switching element is an N-channel element.
The adapter interface DC is connected to the output interface OUT through the third switching element, when the commercial power works normally, the adapter interface DC inputs direct current voltage, the third switching element is conducted, power is supplied to kitchen and toilet equipment through the commercial power, when the commercial power cannot work normally, power is supplied to the kitchen and toilet equipment through the battery module 120, at the moment, the third switching element is cut off, and meanwhile, the direct current power output by the battery module 120 is cut off through the body diode of the third switching element.
As shown in fig. 4, the BAT port is a battery interface BAT, the input voltage is 0-6.5v, and the mos transistors Q1 and Q2 are respectively used as a first switching element 131 and a second switching element for controlling the on-off of a battery loop;
in fig. 4, the DC port is an adapter interface DC, the input voltage is a fixed voltage of 6.0v, the mos transistor Q3 is a third switching element, and is used as a diode, and the body diode thereof is used to achieve the purpose of unidirectional conduction.
In fig. 4, the OUT port is an output interface OUT;
working principle:
1: the BAT port is connected with a battery, when no voltage is input into the DC port, the MOS transistors Q1 and Q2 are conducted, and the MOS transistor Q3 is used as a diode to cut off the battery end to supply power to the DC port; the OUT port output voltage is equal to the BAT voltage;
2: the adapter 110 is continuously connected to the DC port, the DC voltage controls the grids of the MOS transistors Q1 and Q2 through R5 and R2, so that the MOS transistors Q1 and Q2 are cut off, and the BAT loop is disconnected; the output voltage of the OUT port is equal to the voltage of the DC port minus the conducting voltage of the body diode of the MOS transistor Q3.
3: disconnecting the DC port adapter 110 again, and grounding the grid electrodes of the MOS transistors Q1 and Q2 through the resistor R2 to restore conduction; the OUT port output voltage is equal to the BAT voltage.
The automatic switching function of the AC/DC dual-purpose is achieved by combining the battery module 120 with the power adapter 110.
Referring to fig. 5, in another embodiment, a kitchen and bathroom apparatus 200 includes a power module 210, where the power module 210 is the intelligent ac/dc dual-power automatic switching device in the above embodiment.
The adapter 110 is plugged into a commercial power socket to be connected with commercial power, the adapter interface DC is connected to the switching circuit 130, and the battery module 120 is connected to the switching circuit 130 through the battery interface BAT; when the mains supply works normally, the adapter 110 converts the alternating current power supply of the mains supply into direct current power supply, the adapter interface DC has direct current power supply input, the enabling end of the first switching element 131 has DC voltage input, the first switching element 131 is cut off, the battery interface BAT and the output interface OUT are disconnected, the adapter interface DC is connected to the output interface OUT through the second diode 133, the power supply is supplied to the kitchen and toilet equipment 200 through the output interface OUT, and meanwhile the direct current power supply input by the adapter interface DC is prevented from entering the battery module 120 through the first diode 132; when the mains supply fails, the enabling end of the first switching element 131 is grounded, and at this time, the first switching element 131 is turned on, so that the battery interface BAT is connected to the output interface OUT through the first switching element 131 and the first diode 132, the battery module 120 supplies power to the kitchen and bathroom equipment 200, and the second diode 133 cuts off the dc power supply output from the battery module 120; the intelligent AC/DC dual-power automatic switching device can supply power to the kitchen and bathroom equipment 200, when the commercial power works normally, the switch is switched to the adapter 110, the commercial power supplies power to the kitchen and bathroom equipment 200, when the commercial power cannot work normally, if power failure or too low voltage is caused, the switch can be switched to the battery module 120, the battery module 120 supplies power to the kitchen and bathroom equipment 200, even if the kitchen and bathroom equipment 200 is in a power failure state, the kitchen and bathroom equipment 200 can still be used normally, the use of a user is facilitated, and the problem that inconvenience is caused when the power failure uses the kitchen and bathroom equipment 200 for the user is avoided.
In some embodiments, the kitchen and toilet appliance 200 includes an electric faucet, a smart toilet, and a smart urinal.
Finally, it should be noted that, although the embodiments have been described in the text and the drawings, the scope of the utility model is not limited thereby. The technical scheme generated by replacing or modifying the equivalent structure or equivalent flow by utilizing the content recorded in the text and the drawings of the specification based on the essential idea of the utility model, and the technical scheme of the embodiment directly or indirectly implemented in other related technical fields are included in the patent protection scope of the utility model.
Claims (8)
1. An intelligent ac/dc dual-power automatic switching device, comprising:
the adapter is used for being connected with an alternating current power supply and converting the alternating current power supply into a direct current power supply;
a battery module for providing direct current;
a switching circuit, the switching circuit comprising:
the battery interface is connected with the battery module;
an adapter interface, the adapter interface being connected to an adapter;
the output interface is used for connecting load equipment;
the enabling end of the first switching element is connected with the adapter interface and the ground, and the source electrode end of the first switching element is connected with the battery interface;
the anode of the first diode is connected with the drain terminal of the first switching element, and the cathode of the first diode is connected with the output interface;
and the anode of the second diode is connected with the adapter interface, and the cathode of the second diode is connected with the output interface.
2. The intelligent ac/dc dual power automatic switching device according to claim 1, further comprising a second switching element, wherein an enable terminal of the second switching element is connected to the adapter interface and to ground, a drain terminal of the second switching element is connected to a drain terminal of the first switching element, and a source terminal of the second switching element is connected to the output interface;
the first diode is a body diode of the second switching element.
3. The intelligent ac/dc dual-power automatic switching device according to claim 2, wherein the first switching element and the second switching element are P-channel MOS transistors.
4. The intelligent ac/dc dual-power automatic switching device according to claim 3, wherein the first switching element and the second switching element are each NP2301.
5. The intelligent ac/dc dual-power automatic switching device according to claim 1, further comprising a third switching element, wherein an enable end and a source end of the third switching element are both connected to the adapter interface, and a drain end of the third switching element is connected to the output interface;
the second diode is a body diode of the third switching element.
6. The intelligent ac/dc dual-power automatic switching device according to claim 5, wherein the third switching element is an N-channel element.
7. The kitchen and bathroom equipment comprises a power module, and is characterized in that the power module is the intelligent alternating current-direct current dual-power automatic switching device according to any one of claims 1-6.
8. The kitchen and toilet equipment according to claim 7, comprising an electric heating faucet, a smart toilet, and a smart urinal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096325.5U CN219760704U (en) | 2023-05-09 | 2023-05-09 | Intelligent AC/DC dual-power automatic switching device and kitchen and toilet equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321096325.5U CN219760704U (en) | 2023-05-09 | 2023-05-09 | Intelligent AC/DC dual-power automatic switching device and kitchen and toilet equipment |
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| Publication Number | Publication Date |
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| CN219760704U true CN219760704U (en) | 2023-09-26 |
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| CN202321096325.5U Active CN219760704U (en) | 2023-05-09 | 2023-05-09 | Intelligent AC/DC dual-power automatic switching device and kitchen and toilet equipment |
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| Country | Link |
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| CN (1) | CN219760704U (en) |
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- 2023-05-09 CN CN202321096325.5U patent/CN219760704U/en active Active
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