CN220822624U - Safe and energy-saving voltage-stabilized power supply - Google Patents
Safe and energy-saving voltage-stabilized power supply Download PDFInfo
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- CN220822624U CN220822624U CN202322546578.4U CN202322546578U CN220822624U CN 220822624 U CN220822624 U CN 220822624U CN 202322546578 U CN202322546578 U CN 202322546578U CN 220822624 U CN220822624 U CN 220822624U
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- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000007654 immersion Methods 0.000 claims abstract description 11
- 238000002791 soaking Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 27
- 238000005070 sampling Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a safe and energy-saving stabilized power supply which comprises a single-chip processor, a stabilized power supply circuit, a temperature sensor, a soaking sensor, a battery module, a control circuit, a wireless communication module and a load current detection circuit. The utility model protects the safety of the stabilized power supply when the sensor detects over-temperature and water immersion, or saves energy when no load exists, and can realize the monitoring of the stabilized power supply through the mobile phone.
Description
Technical field:
The utility model relates to the technical field of stabilized power supplies, in particular to a safe and energy-saving stabilized power supply.
The background technology is as follows:
The DC stabilized power supply is a necessary circuit in many devices such as radio communication, electronic measurement, automatic control, electronic computer, etc. used in industrial production, scientific research, etc., and in electronic devices, charging devices, household appliances used in life. The direct-current stabilized power supply converts commercial alternating current into low-voltage direct-current power supplies required by electronic equipment, instruments and other components, such as common 3.3V, 5V, 12V, 24V and the like.
However, when the electronic device, the charging device, the household appliance and the like are used, the load is not consistent, for example, a charger commonly used in daily life is often plugged into a plugboard, but the charger is not charged, but the charger still needs to consume power under the condition of no load, and if the amount of the charger is enough and the time is long, the wasted energy is not small. For example, in some factory buildings, stations and other occasions, some switch power supplies or direct current stabilized voltage power supplies may not be connected with electronic equipment but are always electrified, and if the power output end is short-circuited due to external reasons, electrical fire accidents may be caused. In addition, the regulated power supply is in a standby state for a long time, and unsafe factors such as overhigh temperature, water immersion short circuit and the like are easy to occur. Therefore, it is needed to provide a safe and energy-saving regulated power supply to solve the defects in the prior art.
The utility model comprises the following steps:
The utility model aims to provide a safe and energy-saving regulated power supply to solve the defects in the prior art.
The utility model is implemented by the following technical scheme: the utility model provides a safe and energy-saving voltage-stabilized power supply, includes singlechip processor, voltage-stabilized power supply circuit, temperature sensor, sensor that soaks, battery module, control circuit, wireless communication module, load current detection circuitry, the singlechip processor is connected with temperature sensor, sensor that soaks, battery module, control circuit, wireless communication module, load current detection circuitry electricity, voltage-stabilized power supply circuit is connected to battery module input, voltage-stabilized power supply circuit input is connected the commercial power module, voltage-stabilized power supply circuit output is connected the load, control circuit output is connected voltage-stabilized power supply circuit, the load is connected load current detection circuitry.
Further, the regulated power supply circuit includes, but is not limited to, a power adapter, a charger, and a switching power supply.
Further, the temperature sensor and the immersion sensor are integrated on the stabilized power supply circuit.
Further, the control circuit is a switch control circuit based on a triode and a relay, the base electrode of the triode is connected with the singlechip processor, the emitting electrode of the triode is grounded, the collecting electrode of the triode is connected with the relay, and two ends of a normally closed node of the relay are connected between the regulated power supply circuit and the mains supply module.
Further, the wireless communication module is a Bluetooth module, a WIFI module or a 4G/5G module.
Further, the load current detection circuit comprises an operational amplifier, a sampling resistor and an MOS tube, wherein a first resistor is connected between the output end of the operational amplifier and the inverting end of the operational amplifier, the inverting end of the operational amplifier is grounded through a second resistor, the in-phase end of the operational amplifier is connected with one end of the sampling resistor, the other end of the sampling resistor is grounded, one end of the sampling resistor is also connected with the source electrode of the MOS tube, the drain electrode of the MOS tube is connected with one end of the load, the other end of the load is connected with the output power supply of the voltage-stabilizing power supply circuit, and the grid electrode of the MOS tube is connected with the single chip processor.
The utility model has the advantages that:
1. The temperature sensor and the soaking sensor are integrated on the voltage-stabilized power supply circuit, whether the temperature of the voltage-stabilized power supply circuit is overhigh or not is detected, and when abnormal signals of the temperature and the soaking are detected, the action of the control circuit is controlled by the singlechip processor, so that the mains supply input line of the voltage-stabilized power supply circuit is disconnected. The load current detection circuit detects the load current condition and further judges whether a load exists or not, and when no load is detected at the output end of the power supply, the single-chip processor controls the control circuit to act, so that the commercial power input line of the stabilized voltage power supply circuit is disconnected. The safety of the stabilized voltage power supply is protected when the sensor detects over-temperature and water immersion, or the energy is saved when no load exists.
2. The wireless communication module can communicate with the mobile phone, and can send the monitoring data of the stabilized power supply such as temperature, water immersion condition and load condition to a user, so that the monitoring of the power supply data through the mobile phone is realized. Meanwhile, the work of the stabilized voltage power supply can be controlled through the mobile phone.
Description of the drawings:
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic block diagram of a safe and energy-efficient regulated power supply according to an embodiment of the present utility model;
FIG. 2 is a circuit diagram of a load current detection circuit of a safe and energy-saving regulated power supply according to an embodiment of the utility model;
fig. 3 is a schematic diagram of a control circuit of a safe and energy-saving regulated power supply according to an embodiment of the present utility model.
The specific embodiment is as follows:
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the safe and energy-saving stabilized power supply comprises a single chip processor 1, a stabilized power supply circuit 3, a temperature sensor 4, a soaking sensor 5, a battery module 6, a control circuit 7, a wireless communication module 8 and a load current detection circuit 9, wherein the single chip processor 1 is electrically connected with the temperature sensor 4, the soaking sensor 5, the battery module 6, the control circuit 7, the wireless communication module 8 and the load current detection circuit 9, the input end of the battery module 6 is connected with the stabilized power supply circuit 3, the input end of the stabilized power supply circuit 3 is connected with a commercial power module 2, the output end of the stabilized power supply circuit 3 is connected with a load 10, the output end of the control circuit 7 is connected with the stabilized power supply circuit 3, and the load 10 is connected with the load current detection circuit 9.
The regulated power supply circuit 3 includes, but is not limited to, a power adapter, a charger, and a switching power supply, and is suitable for a direct current regulated power supply of various devices such as radio communication, electronic measurement, automatic control, and electronic computer used in the fields of industrial production, scientific research, etc.
The temperature sensor 4 and the soaking sensor 5 are integrated on the regulated power supply circuit 3 and are used for detecting whether the regulated power supply circuit 3 is overhigh in temperature and soaked, and when abnormal signals of the temperature and soaked are detected, the abnormal signals are sent to the single-chip processor, and the single-chip processor controls the control circuit to act, so that the mains supply input line of the regulated power supply circuit is disconnected.
As shown in fig. 3, the control circuit 7 is a switch control circuit based on a triode Q1 and a relay K, the triode base Q1 is connected with the single-chip processor 1, the emitter of the triode Q1 is grounded, the collector of the triode Q1 is connected with the relay K, and two ends of a normally closed node of the relay K are connected between the regulated power supply circuit 3 and the mains supply module 2. When detecting whether the temperature of the stabilized power supply circuit 3 is too high or not, when detecting abnormal signals of the temperature and the water immersion or detecting that the load is not present, the singlechip processor controls the relay K of the control circuit to act, the normally closed node of the relay K is disconnected, so that the mains supply input line of the stabilized power supply circuit is disconnected, the stabilized power supply is protected to be safe when the overtemperature and the water immersion are detected through the sensor, or the energy is saved when the load is not present.
The wireless communication module 8 is a Bluetooth module, a WIFI module or a 4G/5G module. The wireless communication module 8 can communicate with the mobile phone, and can send the monitoring data of the stabilized power supply such as temperature, water immersion condition and load condition to the user, so as to realize the monitoring of the power supply data through the mobile phone. Of course, the operation of the regulated power supply can also be controlled by the mobile phone.
As shown in fig. 2, the load current detection circuit 9 includes an operational amplifier U1, a sampling resistor R4, and a MOS transistor Q2, where a first resistor R5 is connected between an output end and an inverting end of the operational amplifier U1, the inverting end of the operational amplifier is grounded through a second resistor R6, an in-phase end of the operational amplifier is connected to one end of the sampling resistor R4, another end of the sampling resistor R4 is grounded, one end of the sampling resistor R4 is further connected to a source electrode of the MOS transistor Q2, a drain electrode of the MOS transistor Q2 is connected to one end of the load, another end of the load is connected to an output power VCC of the regulated power supply circuit 3, and a gate electrode of the MOS transistor is connected to the single chip processor 1.
The load current detection circuit 9 is based on the following principle: by utilizing the characteristic of deficiency and short of the operational amplifier, the method obtains
V+＝V- (1)
By utilizing the virtual break characteristic of the operational amplifier, the input end and the output end have no current flowing, so that the current flowing through R5 and R6 is equal,
(Vout-V-)/R5＝V-/R6 (2)
Can be obtained by the formulas (1) and (2)
Vout＝V+*(R5+R6)/R6 (3)
The method also comprises the following steps:
V+＝I*R4 (4)
so there are:
I＝V+/R4＝Vout*R6/(R5+R6)/R4 (5)
The load current I is converted in this way, the resistance values of a plurality of resistors are adjusted, and Vout is sampled by an ADC module of the singlechip. When the ADC module of the singlechip adopts Vout to be zero, as shown in equation (5), the load current I is zero, i.e. no load is present.
In summary, the working principle of the utility model is as follows:
The temperature sensor 4 and the soaking sensor 5 are integrated on the regulated power supply circuit 3 and are used for detecting whether the regulated power supply circuit 3 is overhigh in temperature and soaked, and when abnormal signals of the temperature and soaked are detected, the abnormal signals are sent to the single-chip processor, and the single-chip processor controls the control circuit to act, so that the mains supply input line of the regulated power supply circuit is disconnected. The load current detection circuit 9 detects the load current condition and further judges whether a load exists, and when no load is detected at the output end of the power supply, the single-chip processor controls the control circuit to act, so that the commercial power input line of the stabilized power supply circuit is disconnected. The safety of the stabilized voltage power supply is protected when the sensor detects over-temperature and water immersion, or the energy is saved when no load exists. In addition, the wireless communication module 8 can communicate with the mobile phone, and can send the monitoring data of the stabilized power supply such as temperature, water immersion condition and load condition to the user, so as to realize the monitoring of the power supply data through the mobile phone. Of course, the operation of the regulated power supply can also be controlled by the mobile phone.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a safe and energy-saving voltage-stabilized power supply, its characterized in that, including singlechip treater (1), voltage-stabilized power supply circuit (3), temperature sensor (4), sensor (5) of soaking, battery module (6), control circuit (7), wireless communication module (8), load current detection circuit (9), singlechip treater (1) is connected with temperature sensor (4), sensor (5) of soaking, battery module (6), control circuit (7), wireless communication module (8), load current detection circuit (9) electricity, voltage-stabilized power supply circuit (3) are connected to battery module (6) input, voltage-stabilized power supply circuit (3) input is connected commercial power module (2), voltage-stabilized power supply circuit (3) output is connected load (10), control circuit (7) output is connected voltage-stabilized power supply circuit (3), load (10) are connected load current detection circuit (9).
2. A safe and energy-efficient regulated power supply according to claim 1, characterized in that the regulated power supply circuit (3) comprises, but is not limited to, a power adapter, a charger, a switching power supply.
3. A safe and energy-saving regulated power supply according to claim 1, characterized in that the temperature sensor (4), the immersion sensor (5) are integrated on the regulated power supply circuit (3).
4. The safe and energy-saving regulated power supply according to claim 1, wherein the control circuit (7) is a switch control circuit based on a triode and a relay, a base electrode of the triode is connected with the singlechip processor (1), an emitter of the triode is grounded, a collector of the triode is connected with the relay, and two ends of a normally closed node of the relay are connected between the regulated power supply circuit (3) and the mains supply module (2).
5. The safe and energy-saving regulated power supply according to claim 1, wherein the wireless communication module (8) is a bluetooth module, a WIFI module or a 4G/5G module.
6. The safe and energy-saving stabilized power supply according to claim 1, wherein the load current detection circuit (9) comprises an operational amplifier, a sampling resistor and an MOS tube, wherein a first resistor is connected between an output end and an inverting end of the operational amplifier, the inverting end of the operational amplifier is grounded through a second resistor, an in-phase end of the operational amplifier is connected with one end of the sampling resistor, the other end of the sampling resistor is grounded, one end of the sampling resistor is also connected with a source electrode of the MOS tube, a drain electrode of the MOS tube is connected with one end of the load, the other end of the load is connected with an output power supply of the stabilized power supply circuit (3), and a grid electrode of the MOS tube is connected with the single chip processor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322546578.4U CN220822624U (en) | 2023-09-19 | 2023-09-19 | Safe and energy-saving voltage-stabilized power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322546578.4U CN220822624U (en) | 2023-09-19 | 2023-09-19 | Safe and energy-saving voltage-stabilized power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220822624U true CN220822624U (en) | 2024-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322546578.4U Active CN220822624U (en) | 2023-09-19 | 2023-09-19 | Safe and energy-saving voltage-stabilized power supply |
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| Country | Link |
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| CN (1) | CN220822624U (en) |
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2023
- 2023-09-19 CN CN202322546578.4U patent/CN220822624U/en active Active
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