CN210016416U - Intelligent power supply module - Google Patents
Intelligent power supply module Download PDFInfo
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- CN210016416U CN210016416U CN201920826982.8U CN201920826982U CN210016416U CN 210016416 U CN210016416 U CN 210016416U CN 201920826982 U CN201920826982 U CN 201920826982U CN 210016416 U CN210016416 U CN 210016416U
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Abstract
The utility model discloses an intelligent power module, which comprises an AC input circuit, an AC-DC conversion circuit, a switching circuit, a charging circuit, an internal battery, an external battery and a DC conversion circuit; the alternating current-direct current conversion circuit comprises a first triode, a direct current power supply, a second triode, a first capacitor, a first resistor, a first diode, a second voltage-regulator tube, a second capacitor, a third diode, a third capacitor, a relay and a voltage output end, wherein an emitting electrode of the first triode is connected with the direct current power supply, a collecting electrode of the first triode is connected with a base electrode of the second triode, one end of the first resistor and one end of the first capacitor are connected with a live wire, and the other end of the first resistor is connected with the other end of the first capacitor, the cathode of the first diode, the cathode of the second voltage-regulator tube, one end of the second capacitor and the direct current power supply respectively. The utility model discloses circuit structure is comparatively simple, the cost is lower, the security and the reliability of convenient maintenance, circuit are higher.
Description
Technical Field
The utility model relates to a power field, in particular to intelligent power module.
Background
The power supply module is a power supply device which can be directly attached to a printed circuit board and is characterized by supplying power to an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a microprocessor, a memory, a Field Programmable Gate Array (FPGA) and other digital or analog loads. Due to the advantages of the modular structure, the modular power supply is widely used in the communication fields of switching equipment, access equipment, mobile communication, microwave communication, optical transmission, routers and the like, and in automotive electronics, aerospace and the like. The circuit part of the traditional intelligent power supply module uses more components, the circuit structure is complex, the hardware cost is higher, and the maintenance is inconvenient. In addition, since the circuit part of the conventional intelligent power module lacks the corresponding circuit protection function, for example: the safety and reliability of the circuit are poor due to the lack of the current-limiting protection function.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a circuit structure comparatively simple, the cost is lower, the security and the higher intelligent power module of reliability of convenient maintenance, circuit.
The utility model provides a technical scheme that its technical problem adopted is: an intelligent power module is constructed, wherein an alternating current input circuit, an alternating current-direct current conversion circuit, a switching circuit, a charging circuit, an internal battery, an external battery and a direct current conversion circuit are arranged, one output end of the alternating current input circuit is connected with an input end of the alternating current-direct current conversion circuit, the other output end of the alternating current input circuit is connected with an input end of the charging circuit, an output end of the charging circuit is connected with an input end of the internal battery, an output end of the alternating current-direct current conversion circuit is connected with an input end of the switching circuit, an output end of the internal battery is connected with an input end of the switching circuit, an output end of the external battery is connected with an input end of the switching circuit, and an output end of the switching circuit is connected with an input;
the alternating current-direct current conversion circuit comprises a first triode, a direct current power supply, a second triode, a first capacitor, a first resistor, a first diode, a second voltage-regulator tube, a second capacitor, a third diode, a third capacitor, a relay and a voltage output end, wherein an emitting electrode of the first triode is connected with the direct current power supply, a collector electrode of the first triode is connected with a base electrode of the second triode, one end of the first resistor and one end of the first capacitor are both connected with a live wire, the other end of the first resistor is respectively connected with the other end of the first capacitor, a cathode of the first diode, a cathode of the second voltage-regulator tube, one end of the second capacitor and the direct current power supply, an anode of the second voltage-regulator tube and the other end of the second capacitor are both grounded, an emitting electrode of the second triode is connected with an anode of the third diode, and a cathode of the third diode is respectively connected with an anode of the first diode, a cathode of the second diode, the negative electrode of the third capacitor is connected with one end of a coil of the relay, the collector of the second triode is respectively connected with the zero line, the positive electrode of the third capacitor, the other end of the coil of the relay and one end of a contact of the relay, the other end of the contact of the relay is connected with the voltage output end, and the type of the third diode is S-822T.
In the intelligent power supply module, the ac-dc conversion circuit further includes a fourth capacitor, one end of the fourth capacitor is connected to the collector of the first triode, the other end of the fourth capacitor is connected to the base of the second triode, and the capacitance of the fourth capacitor is 420 pF.
In the intelligent power supply module, the ac-dc conversion circuit further includes a second resistor, one end of the second resistor respectively with the other end of the first resistor, the other end of the first capacitor and the cathode of the first diode are connected, the other end of the second resistor respectively with the cathode of the second voltage regulator tube, one end of the second capacitor and the dc power supply are connected, and the resistance of the second resistor is 26k Ω.
In the intelligent power supply module, the ac-dc conversion circuit further includes a fifth capacitor, the one end access control end of the fifth capacitor, the other end of the fifth capacitor with the base of the first triode is connected, the capacitance value of the fifth capacitor is 520 pF.
In the intelligent power module, the first triode is a PNP type triode, and the second triode is an NPN type triode.
Implement the utility model discloses an intelligent power module has following beneficial effect: the device is provided with an alternating current input circuit, an alternating current-direct current conversion circuit, a switching circuit, a charging circuit, an internal battery, an external battery and a direct current conversion circuit; the alternating current-direct current conversion circuit comprises a first triode, a direct current power supply, a second triode, a first capacitor, a first resistor, a first diode, a second voltage regulator tube, a second capacitor, a third diode, a third capacitor, a relay and a voltage output end.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 schematic structural diagram of an embodiment of an intelligent power module according to the present invention;
fig. 2 is a schematic circuit diagram of the ac-dc conversion circuit in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the embodiment of the intelligent power module of the present invention, the schematic structural diagram of the intelligent power module is shown in fig. 1. In fig. 1, this intelligent power module includes ac input circuit 1, ac-dc conversion circuit 2, switching circuit 3, charging circuit 4, internal battery 5, external battery 6 and dc conversion circuit 7, wherein, an output of ac input circuit 1 is connected with the input of ac-dc conversion circuit 2, another output of ac input circuit 1 is connected with the input of charging circuit 4, the output of charging circuit 4 is connected with the input of internal battery 5, the output of ac-dc conversion circuit 2 is connected with the input of switching circuit 3, the output of internal battery 5 is connected with the input of switching circuit 3, the output of external battery 6 is connected with the input of switching circuit 3, the output of switching circuit 3 is connected with the input of dc conversion circuit 7.
When an alternating current power supply is input, the intelligent power supply module can directly use the alternating current power supply to supply power and charge the internal battery 5; when no AC power supply is input, the intelligent power supply module can use an external battery 6 to supply power; the intelligent power module can use the internal battery 5 to supply power when no alternating current power supply and external battery 6 are input.
Fig. 2 is a schematic circuit diagram of an ac-dc converter circuit in this embodiment, in fig. 2, the ac-dc converter circuit 2 includes a first transistor Q1, a dc power VCC, a second transistor Q2, a first capacitor C1, a first resistor R1, a first diode D1, a second regulator D2, a second capacitor C2, a third diode D3, a third capacitor C3, a relay K1, and a voltage output Vo, wherein an emitter of the first transistor Q1 is connected to the dc power VCC, a collector of the first transistor Q1 is connected to a base of the second transistor Q2, one end of the first resistor R1 and one end of the first capacitor C1 are both connected to a live line L, the other end of the first resistor R1 is connected to the other end of the first capacitor C1, a cathode of the first diode D1, a cathode of the second regulator D2, one end of the second capacitor C5 and an anode 573 of the second capacitor D2 are both grounded, an emitting electrode of the second triode Q2 is connected with an anode of the third diode D3, a cathode of the third diode D3 is connected with an anode of the first diode D1, a cathode of the third capacitor C3 and one end of a coil of the relay K1, a collector electrode of the second triode Q2 is connected with a zero line N, an anode of the third capacitor C3, the other end of the coil of the relay K1 and one end of a contact of the relay K1, and the other end of the contact of the relay K1 is connected with the voltage output end Vo.
This alternating current-direct current converting circuit 2 compares with traditional intelligent power module's circuit part, its components and parts that use are less, circuit structure is comparatively simple, convenient maintenance, owing to saved some components and parts, can reduce the hardware cost like this, in addition, third diode D3 is current limiting diode, an emitter current for to second triode Q2 carries out current-limiting protection, when second triode Q2's emitter current is great, can reduce the size of second triode Q2's emitter current through this third diode D3, make it keep at normal operating condition, and unlikely to lead to burning out the components and parts in the circuit because of the electric current is too big, therefore the security and the reliability of circuit are higher. It should be noted that in the present embodiment, the model of the third diode D3 is S-822T, and certainly, in practical applications, other models of diodes with similar functions may be adopted as the third diode D3.
The working principle of the ac-dc conversion circuit 2 is as follows: when the positive voltage alternating current is input into the live wire L, the alternating current passes through the first capacitor C1 to reduce the current, and the voltage value is stabilized at +5V under the action of the second voltage regulator tube D2 and the second capacitor C2. When the zero line N inputs forward voltage alternating current, if the control end CTR outputs a low level to the base electrode of the first triode Q1, the first triode Q1 is conducted, and then the second triode Q2 is conducted, the alternating current sequentially passes through the zero line N, the second triode Q2, the third diode D3, the first diode D1, the first capacitor C1, the first resistor R1 and the live wire L to form a loop, a coil of the relay K1 is short-circuited, and the switch of the relay K1 is in a disconnected state; if the control end CTR outputs a high level to the base electrode of the first triode Q1, the first triode Q1 and the second triode Q2 are in a cut-off state, alternating current sequentially passes through a zero line N, a coil of the relay K1, a third diode D3, a first diode D1, a first capacitor C1, a first resistor R1 and a live wire L to form a loop, the coil of the relay K1 is electrified, and the switch of the relay K1 is in a closed state.
In this embodiment, the first transistor Q1 is a PNP transistor, and the second transistor Q2 is an NPN transistor. Certainly, in practical applications, the first transistor Q1 may also be an NPN transistor, and the second transistor Q2 may also be a PNP transistor, but the structure of the circuit is also changed accordingly.
In this embodiment, the ac-dc conversion circuit 2 further includes a fourth capacitor C4, one end of the fourth capacitor C4 is connected to the collector of the first transistor Q1, and the other end of the fourth capacitor C4 is connected to the base of the second transistor Q2. The fourth capacitor C4 is a coupling capacitor for preventing interference between the first transistor Q1 and the second transistor Q2, so as to further enhance the safety and reliability of the circuit. It should be noted that in the present embodiment, the capacitance value of the fourth capacitor C4 is 420pF, and certainly, in practical applications, the capacitance value of the fourth capacitor C4 may be adjusted accordingly according to specific situations, that is, the capacitance value of the fourth capacitor C4 may be increased or decreased accordingly according to specific situations.
In this embodiment, the ac-dc conversion circuit 2 further includes a second resistor R2, one end of the second resistor R2 is respectively connected to the other end of the first resistor R1, the other end of the first capacitor C1, and the cathode of the first diode D1, and the other end of the second resistor R2 is respectively connected to the cathode of the second regulator D2, one end of the second capacitor C2, and the dc power VCC. The second resistor R2 is a current limiting resistor for current limiting protection. When the current of the branch where the second resistor R2 is located is large, the current of the branch where the second resistor R2 is located can be reduced by the second resistor R2, so that the branch can be kept in a normal operating state, and the components in the circuit cannot be burned out due to the large current, so that the safety and reliability of the circuit are further enhanced. It should be noted that in this embodiment, the resistance of the second resistor R2 is 26k Ω, and certainly, in practical applications, the resistance of the second resistor R2 may be adjusted according to specific situations, that is, the resistance of the second resistor R2 may be increased or decreased according to specific situations.
In this embodiment, the ac-dc conversion circuit 2 further includes a fifth capacitor C5, one end of the fifth capacitor C5 is connected to the control terminal CTR, and the other end of the fifth capacitor C5 is connected to the base of the first transistor Q1. The fifth capacitor C5 is used to block direct current from flowing alternating current. It should be noted that, in the present embodiment, the capacitance of the fifth capacitor C5 is 520 pF. Of course, in practical applications, the capacitance value of the fifth capacitor C5 may be adjusted accordingly, that is, the capacitance value of the fifth capacitor C5 may be increased or decreased accordingly.
In a word, in this embodiment, this alternating current-direct current conversion circuit 2 compares with the circuit part of traditional intelligent power module, and its components and parts that use are less, and circuit structure is comparatively simple, and convenient maintenance owing to saved some components and parts, can reduce the hardware cost like this, in addition, is equipped with current-limiting diode in this alternating current-direct current conversion circuit 2, and therefore the security and the reliability of circuit are higher.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An intelligent power module is characterized by comprising an alternating current input circuit, an alternating current-direct current conversion circuit, a switching circuit, a charging circuit, an internal battery, an external battery and a direct current conversion circuit, wherein one output end of the alternating current input circuit is connected with the input end of the alternating current-direct current conversion circuit, the other output end of the alternating current input circuit is connected with the input end of the charging circuit, the output end of the charging circuit is connected with the input end of the internal battery, the output end of the alternating current-direct current conversion circuit is connected with the input end of the switching circuit, the output end of the internal battery is connected with the input end of the switching circuit, the output end of the external battery is connected with the input end of the switching circuit, and the output end of the switching circuit is connected with the input end of the direct current conversion;
the alternating current-direct current conversion circuit comprises a first triode, a direct current power supply, a second triode, a first capacitor, a first resistor, a first diode, a second voltage-regulator tube, a second capacitor, a third diode, a third capacitor, a relay and a voltage output end, wherein an emitting electrode of the first triode is connected with the direct current power supply, a collector electrode of the first triode is connected with a base electrode of the second triode, one end of the first resistor and one end of the first capacitor are both connected with a live wire, the other end of the first resistor is respectively connected with the other end of the first capacitor, a cathode of the first diode, a cathode of the second voltage-regulator tube, one end of the second capacitor and the direct current power supply, an anode of the second voltage-regulator tube and the other end of the second capacitor are both grounded, an emitting electrode of the second triode is connected with an anode of the third diode, and a cathode of the third diode is respectively connected with an anode of the first diode, a cathode of the second diode, the negative electrode of the third capacitor is connected with one end of a coil of the relay, the collector of the second triode is respectively connected with the zero line, the positive electrode of the third capacitor, the other end of the coil of the relay and one end of a contact of the relay, the other end of the contact of the relay is connected with the voltage output end, and the type of the third diode is S-822T.
2. The intelligent power supply module according to claim 1, wherein the ac-dc converter circuit further comprises a fourth capacitor, one end of the fourth capacitor is connected to the collector of the first transistor, the other end of the fourth capacitor is connected to the base of the second transistor, and the capacitance of the fourth capacitor is 420 pF.
3. The intelligent power supply module according to claim 2, wherein the ac-dc conversion circuit further comprises a second resistor, one end of the second resistor is connected to the other end of the first resistor, the other end of the first capacitor, and the cathode of the first diode, the other end of the second resistor is connected to the cathode of the second voltage regulator tube, one end of the second capacitor, and the dc power supply, and the resistance of the second resistor is 26k Ω.
4. The intelligent power supply module according to claim 3, wherein the ac-dc conversion circuit further comprises a fifth capacitor, one end of the fifth capacitor is connected to the control terminal, the other end of the fifth capacitor is connected to the base of the first transistor, and the capacitance of the fifth capacitor is 520 pF.
5. The intelligent power module according to any one of claims 1 to 4, wherein the first transistor is a PNP transistor and the second transistor is an NPN transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920826982.8U CN210016416U (en) | 2019-05-31 | 2019-05-31 | Intelligent power supply module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920826982.8U CN210016416U (en) | 2019-05-31 | 2019-05-31 | Intelligent power supply module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210016416U true CN210016416U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920826982.8U Expired - Fee Related CN210016416U (en) | 2019-05-31 | 2019-05-31 | Intelligent power supply module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210016416U (en) |
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2019
- 2019-05-31 CN CN201920826982.8U patent/CN210016416U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200204 |