CN214256144U - Switching power supply adapter with electric quantity statistics function - Google Patents
Switching power supply adapter with electric quantity statistics function Download PDFInfo
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- CN214256144U CN214256144U CN202023106583.6U CN202023106583U CN214256144U CN 214256144 U CN214256144 U CN 214256144U CN 202023106583 U CN202023106583 U CN 202023106583U CN 214256144 U CN214256144 U CN 214256144U
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Abstract
The utility model belongs to the technical field of power adapters, in particular to a switching power adapter with an electric quantity statistical function, which comprises an auxiliary power supply circuit, wherein the auxiliary power supply circuit is connected with an external power supply unit, and also comprises an electric quantity statistical circuit, an optical coupling isolation circuit, a Bluetooth main control circuit and an output power adjusting circuit, and the electric quantity statistical circuit is connected with the auxiliary power supply circuit; the optical coupling isolation circuit is connected with the auxiliary power supply circuit and the electric quantity counting circuit; the Bluetooth master control circuit is connected with the optical coupling isolation circuit, and the output power adjusting circuit is connected with the Bluetooth master control circuit.
Description
Technical Field
The utility model belongs to the technical field of power adapter, especially, relate to a switching power supply adapter with electric quantity statistics function.
Background
The switching power supply is widely applied to the fields of industrial automation control, military equipment, scientific research equipment, LED illumination, industrial control equipment, communication equipment, power equipment, instruments and meters, medical equipment, semiconductor refrigeration and heating, air purifiers, electronic refrigerators, liquid crystal displays, LED lamps, communication equipment, audio-visual products, security monitoring, LED lamp belts, computer cases, digital products, instruments and the like.
However, the function of the current commercial switching power adapter is single, and when a user needs to know the use condition of electric quantity, the user can only refer to the table data obtained by reading the meter by an electrician, so that troubles are brought to the user, the problem of inconvenient use is caused, and the user experience is influenced. Therefore, it is necessary to design a switching power adapter with power statistics function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switching power supply adapter with electric quantity statistics function aims at solving among the prior art switching power supply adapter and does not have the electric quantity statistics function and lead to bringing awkward technical problem for the user.
In order to achieve the above object, an embodiment of the present invention provides a switching power adapter with power statistics function, including auxiliary power supply circuit, auxiliary power supply circuit is connected with an external power supply unit, still includes:
the electric quantity statistical circuit is connected with the auxiliary power supply circuit;
the optical coupling isolation circuit is connected with the auxiliary power supply circuit and the electric quantity counting circuit;
a Bluetooth master control circuit connected with the optical coupling isolation circuit
And the output power regulating circuit is connected with the Bluetooth master control circuit.
Optionally, the bluetooth master control circuit includes a bluetooth control chip, the bluetooth control chip with supplementary power supply circuit, opto-coupler isolation circuit and output power regulating circuit all connect.
Optionally, the optical coupling isolation circuit includes a fifth optical coupler and a sixth optical coupler, the fifth optical coupler and the power supply end of the sixth optical coupler are connected with the auxiliary power supply circuit, the fifth optical coupler and the input end of the sixth optical coupler are connected with the power statistics circuit, and the fifth optical coupler and the output end of the sixth optical coupler are connected with the bluetooth master control circuit.
Optionally, the electric quantity statistics circuit includes electric quantity statistics chip, the power supply end of electric quantity statistics chip with supplementary power supply circuit connects, the eighth pin of electric quantity statistics chip with the input of sixth opto-coupler is connected, the eighth pin of electric quantity statistics chip with the input of fifth opto-coupler is connected.
Optionally, the electric quantity statistics circuit further includes an input protection filter circuit, and the input protection filter circuit is connected to the electric quantity statistics chip.
Optionally, the input protection filter circuit includes a plurality of protection resistors, a filter capacitor and a filter resistor, the filter capacitor and the filter resistor are connected to each protection resistor, the filter capacitor and the filter resistor are connected in parallel, and the filter capacitor is further connected to a fourth pin of the electric quantity statistics chip.
Optionally, the output power adjusting circuit includes a first operational amplifier circuit and a second operational amplifier circuit, the first operational amplifier circuit and the second operational amplifier circuit are both connected to the auxiliary power supply circuit, the first operational amplifier circuit is connected to the bluetooth control chip, and the second operational amplifier circuit is connected to the first operational amplifier circuit.
Optionally, the first operational amplifier circuit includes a third operational amplifier, an input end of the third operational amplifier is connected to the bluetooth control chip, a power supply end of the third operational amplifier is further connected to the auxiliary power supply circuit, and an output end of the third operational amplifier is connected to the second operational amplifier circuit.
Optionally, the second operational amplifier circuit includes a fourth operational amplifier and a third output port, an input end of the fourth operational amplifier is connected to an output end of the third operational amplifier, a power supply end of the fourth operational amplifier is further connected to the auxiliary power supply circuit, and an output end of the fourth operational amplifier is connected to the third output port.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the switching power supply adapter with electric quantity statistics function has one of following technological effect at least:
switch power adapter with electric quantity statistics function when using, the user earlier through mobile phone bluetooth with bluetooth master control circuit connects, then, through electric quantity statistics circuit detects and makes statistics of the voltage that outside power supply unit provided, passes through the voltage that bluetooth master control circuit will detect after that bluetooth master control circuit sends to user's cell-phone, and opto-coupler isolation circuit does bluetooth master control circuit filtering interference factor, so, make the user pass through the bluetooth alright with realize electric quantity statistics function, convenience of customers uses, has high practicality.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic circuit diagram of a switching power adapter with a power statistics function according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an electric quantity statistical circuit according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of an optical coupler and isolator circuit provided in an embodiment of the present invention;
fig. 4 is a circuit schematic diagram of a bluetooth master control circuit provided by an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of an output power regulating circuit according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of an auxiliary power supply circuit according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
the bluetooth master control circuit comprises an auxiliary power supply circuit 100, a first power supply circuit 110, an alternating current-direct current conversion circuit 111, an input control circuit 112, a second power supply circuit 120, a third power supply circuit 130, an electric quantity statistical circuit 200, an input protection filter circuit 210, an optical coupling isolation circuit 300, a bluetooth master control circuit 400, an output power regulating circuit 500, a first operational amplifier circuit 510 and a second operational amplifier circuit 520.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1-6, a switching power adapter with power statistics function is provided, which includes an auxiliary power supply circuit 100, wherein the auxiliary power supply circuit 100 is connected to an external power supply unit 110.
The switch power adapter with the electric quantity counting function further comprises an electric quantity counting circuit 200, an optical coupling isolation circuit 300, a Bluetooth main control circuit 400 and an output power regulating circuit 500.
The power statistics circuit 200 is connected to the auxiliary power supply circuit 100;
the optical coupling isolation circuit 300 is connected with the auxiliary power supply circuit 100 and the electric quantity statistical circuit 200;
the bluetooth master control circuit 400 is connected with the optical coupling isolation circuit 300
The output power adjusting circuit 500 is connected to the bluetooth master control circuit 400.
Switch power adapter with electric quantity statistics function when using, the user earlier through mobile phone bluetooth with bluetooth master control circuit 400 connects, then, through electric quantity statistics circuit 200 detects and makes statistics of the voltage that outside power supply unit provided, passes through the voltage that bluetooth master control circuit 400 will detect after that bluetooth master control circuit 400 sends to user's cell-phone, and opto-coupler isolation circuit 300 does bluetooth master control circuit 400 filtering interference factor, so, make the user pass through the bluetooth alright with realizing electric quantity statistics function, convenience of customers uses, has high practicality.
In another embodiment of the present invention, the external power supply unit is an external power supply terminal in the prior art, such as a plug or a socket, through which the external power supply unit inserts the electric energy into the switching power adapter with the power counting function.
In another embodiment of the present invention, as shown in fig. 1-4, the bluetooth master control circuit 400 includes a bluetooth control chip U1, the bluetooth control chip U1 is connected to the auxiliary power supply circuit 100, the optical coupling isolation circuit 300 and the output power adjusting circuit 500. In this embodiment, the chip model of the bluetooth control chip U1 is preferably CSR 1010.
In another embodiment of the utility model, as shown in fig. 1-3, the optical coupling isolation circuit 3300 includes fifth opto-coupler U5 and sixth opto-coupler U6, fifth opto-coupler U5 with the feeder ear of sixth opto-coupler U6 with supplementary power supply circuit 100 connects, fifth opto-coupler U5 with the input of sixth opto-coupler U6 with electric quantity statistics circuit 200 connects, fifth opto-coupler U5 with the output of sixth opto-coupler U6 with bluetooth master control circuit 400 connects. Specifically, through setting up fifth opto-coupler U5 and sixth opto-coupler U6, the signal interference in the transmission process of filtering signal promotes the overall stability of circuit.
In another embodiment of the present invention, as shown in fig. 1-2, the power statistics circuit 200 includes a power statistics chip U3, the power supply terminal of the power statistics chip U3 is connected to the auxiliary power supply circuit 100, the eighth pin of the power statistics chip U3 is connected to the input terminal of the sixth optical coupler U6, and the eighth pin of the power statistics chip U3 is connected to the input terminal of the fifth optical coupler U5. In this embodiment, the model of the power statistics chip U3 is preferably BL 0940.
Specifically, a second pin of the electric quantity statistics chip U3 is connected to an IP1 power supply terminal of the external power supply unit, a third pin of the electric quantity statistics chip U3 is connected to an IN1 power supply terminal of the external power supply unit, and a fourth pin of the electric quantity statistics chip U3 is connected to an N power supply terminal of the external power supply unit. The power detection and statistics of power supply are realized through the IN1 power supply end, the IP1 power supply end and the N power supply end of the external power supply unit.
In another embodiment of the present invention, the power statistics circuit 200 further includes an input protection filter circuit 210, and the input protection filter circuit 210 is connected to the power statistics chip U3.
The input protection filter circuit 210 comprises a plurality of protection resistors, a filter capacitor C1 and a filter resistor R6, the filter capacitor C1 and the filter resistor R6 are connected with the protection resistors, the filter capacitor C1 is connected with the filter resistor R6 in parallel, and the filter capacitor C1 is further connected with a fourth pin of the electric quantity statistics chip U3. In this embodiment, each of the protection resistors is labeled as R1-R5.
In another embodiment of the present invention, as shown in fig. 5, the output power adjusting circuit 500 includes a first operational amplifier circuit 510 and a second operational amplifier circuit 520, the first operational amplifier circuit 510 and the second operational amplifier circuit 520 are both connected to the auxiliary power supply circuit 100, the first operational amplifier circuit 510 is connected to the bluetooth control chip U1, and the second operational amplifier circuit 520 is connected to the first operational amplifier circuit 510.
The first operational amplifier circuit 510 comprises a third operational amplifier U4A, an input end of the third operational amplifier U4A is connected with the bluetooth control chip U1, a power supply end of the third operational amplifier U4A is further connected with the auxiliary power supply circuit 100, and an output end of the third operational amplifier U4A is connected with the second operational amplifier circuit.
The second operational amplifier circuit 520 includes a fourth operational amplifier U4B and a third output port, an input terminal of the fourth operational amplifier U4B is connected to an output terminal of the third operational amplifier U4A, a power supply terminal of the fourth operational amplifier U4B is further connected to the auxiliary power supply circuit 100, and an output terminal of the fourth operational amplifier U4B is connected to a third output port J3.
Specifically, the power supply terminal of the third operational amplifier U4A and the power supply terminal of the fourth operational amplifier U4B are both connected to the auxiliary power supply circuit 100. The power supply end of the third operational amplifier U4A and the positive input end of the fourth operational amplifier U4B are both connected to the fifteenth pin of the Bluetooth control chip U1, the Bluetooth control chip U1 sends an electrical signal through the fifteenth pin thereof, and the electrical signal is amplified by the third operational amplifier U4A and the fourth operational amplifier U4B and then output through a third output port J3, wherein the voltage output by the third output port J3 is 0-10V.
In actual use, the third output port J3 is connected with the controlled electric appliance, and may be a lamp or others, and is specifically limited according to actual use of the person skilled in the art, and the utility model discloses do not specifically limit.
The power supply terminal of the third operational amplifier U4A and the fourth operational amplifier U4B are preferably both LM358DR 2G.
In another embodiment of the present invention, as shown in fig. 1 and fig. 6, the auxiliary power supply circuit 100 includes a first power supply circuit 110, a second power supply circuit 120, and a third power supply circuit 130, the first power supply circuit 110 is connected to an external power supply unit, and both the second power supply circuit 120 and the third power supply circuit 130 are connected to the first power supply circuit 110; the first power supply circuit 110 is connected to the output power adjusting circuit 400, the second power supply circuit 120 is connected to the electric quantity counting circuit 200, and both the second power supply circuit 120 and the third power supply circuit 130 are connected to the optical coupling isolation circuit 300.
The first power supply circuit 110 includes an ac-dc conversion circuit 111, a transformer T1-a, and an input control circuit 112, the ac-dc conversion circuit 111 is connected to an external power supply unit, both the transformer T1-a and the input control circuit 112 are connected to the ac-dc conversion circuit 111, and the input control circuit 112 is connected to the transformer T1-a.
The ac/dc conversion circuit 111 includes a rectifier bridge BD1, the rectifier bridge BD1 is connected to the external power supply unit, and the rectifier bridge BD1 is further connected to the transformer T1-a and the input control circuit 112.
The input control circuit 112 includes an input control chip U7, the input control chip U7 is connected with the rectifier bridge BD1 and the transformer T1-a.
Further, the alternating current provided by the external power supply unit is rectified by the rectifier bridge BD1, passes through the primary winding of the transformer T1-a under the control of the input control chip U7, and is output through the secondary winding, and then the transformer T1-a outputs 12V voltage through a dc power supply terminal 12V 0.
IN an embodiment of the present invention, as shown IN fig. 1-6, the second power supply circuit 120 includes a second voltage conversion chip U2, the input terminal of the second conversion chip U2 is connected to the external power input terminals IN1 and N, and the output terminal of the second conversion chip U2 outputs 3.3V voltage through a first voltage output terminal + 3.3V-a.
In an embodiment of the present invention, as shown in fig. 6, the third power supply circuit 130 includes a third voltage conversion chip Q2, the input terminal of the third voltage conversion chip Q2 is connected to the output terminal of the first power supply circuit, and the output terminal of the third voltage conversion chip Q2 outputs 3.3V dc power through a second voltage output terminal + 3.3V-D.
It should be noted that the chip models corresponding to the input control chip U7, the second voltage conversion chip U2 and the third voltage conversion chip Q2 are selected by those skilled in the art according to actual needs, as long as the corresponding functions to be realized by the present application can be realized, and therefore, the present invention is not limited specifically.
Further, technical personnel in the field can set up an APP at PC end or cell-phone end, the user pass through the bluetooth with bluetooth control chip U1 connects the back, shows in real time on this APP the electric quantity that electric quantity statistics chip U3 detected and counted to be convenient for avoid checking meter can know the power consumption condition, have high practicality.
It should be noted that, for the software control portion, that is, how the bluetooth control chip U1 controls and is connected with the APP, how the electric quantity statistics chip U3 detects the electric quantity is that the chip model that the skilled person provided according to this application combines actual demand to can program and set by oneself, and this part software control portion is not the key point protected by this application, so compare this application and do not describe again.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a switching power supply adapter with electric quantity statistics function, includes auxiliary power supply circuit, auxiliary power supply circuit is connected with an outside power supply unit, its characterized in that still includes:
the electric quantity statistical circuit is connected with the auxiliary power supply circuit;
the optical coupling isolation circuit is connected with the auxiliary power supply circuit and the electric quantity counting circuit;
a Bluetooth master control circuit connected with the optical coupling isolation circuit
And the output power regulating circuit is connected with the Bluetooth master control circuit.
2. The switching power adapter with the power statistics function as claimed in claim 1, wherein the bluetooth master control circuit includes a bluetooth control chip, and the bluetooth control chip is connected to the auxiliary power supply circuit, the optical coupling isolation circuit and the output power adjustment circuit.
3. The switch power adapter with the power statistics function according to claim 2, wherein the optical coupler isolation circuit comprises a fifth optical coupler and a sixth optical coupler, power supply terminals of the fifth optical coupler and the sixth optical coupler are connected with the auxiliary power supply circuit, input terminals of the fifth optical coupler and the sixth optical coupler are connected with the power statistics circuit, and output terminals of the fifth optical coupler and the sixth optical coupler are connected with the bluetooth main control circuit.
4. The switch power adapter with the power statistics function according to claim 3, wherein the power statistics circuit comprises a power statistics chip, a power supply terminal of the power statistics chip is connected with the auxiliary power supply circuit, an eighth pin of the power statistics chip is connected with an input terminal of the sixth optocoupler, and an eighth pin of the power statistics chip is connected with an input terminal of the fifth optocoupler.
5. The switching power adapter with power statistics function as defined in claim 4, wherein the power statistics circuit further comprises an input protection filter circuit, and the input protection filter circuit is connected to the power statistics chip.
6. The switching power adapter with the power statistics function as recited in claim 5, wherein the input protection filter circuit comprises a plurality of protection resistors, a filter capacitor and a filter resistor, the filter capacitor and the filter resistor are connected to each protection resistor, the filter capacitor and the filter resistor are connected in parallel, and the filter capacitor is further connected to a fourth pin of the power statistics chip.
7. The switching power adapter with the power statistics function as claimed in any one of claims 4 to 6, wherein the output power adjusting circuit comprises a first operational amplifier circuit and a second operational amplifier circuit, the first operational amplifier circuit and the second operational amplifier circuit are both connected to the auxiliary power supply circuit, the first operational amplifier circuit is connected to the Bluetooth control chip, and the second operational amplifier circuit is connected to the first operational amplifier circuit.
8. The power adapter of claim 7, wherein the first operational amplifier circuit comprises a third operational amplifier, an input terminal of the third operational amplifier is connected to the bluetooth control chip, a power supply terminal of the third operational amplifier is further connected to the auxiliary power supply circuit, and an output terminal of the third operational amplifier is connected to the second operational amplifier circuit.
9. The switching power adapter with power statistics function as claimed in claim 8, wherein the second operational amplifier circuit includes a fourth operational amplifier and a third output port, an input terminal of the fourth operational amplifier is connected to an output terminal of the third operational amplifier, a power supply terminal of the fourth operational amplifier is further connected to the auxiliary power supply circuit, and an output terminal of the fourth operational amplifier is connected to the third output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106583.6U CN214256144U (en) | 2020-12-21 | 2020-12-21 | Switching power supply adapter with electric quantity statistics function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106583.6U CN214256144U (en) | 2020-12-21 | 2020-12-21 | Switching power supply adapter with electric quantity statistics function |
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| Publication Number | Publication Date |
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| CN214256144U true CN214256144U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023106583.6U Active CN214256144U (en) | 2020-12-21 | 2020-12-21 | Switching power supply adapter with electric quantity statistics function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114785161A (en) * | 2022-06-17 | 2022-07-22 | 深圳市源创力电子有限公司 | Power adapter with power consumption monitoring function |
-
2020
- 2020-12-21 CN CN202023106583.6U patent/CN214256144U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114785161A (en) * | 2022-06-17 | 2022-07-22 | 深圳市源创力电子有限公司 | Power adapter with power consumption monitoring function |
| CN114785161B (en) * | 2022-06-17 | 2022-09-06 | 深圳市源创力电子有限公司 | Power adapter with power consumption monitoring function |
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