CN104010170A - TD-LTE video communication controller with UPS - Google Patents
TD-LTE video communication controller with UPS Download PDFInfo
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- CN104010170A CN104010170A CN201410277901.5A CN201410277901A CN104010170A CN 104010170 A CN104010170 A CN 104010170A CN 201410277901 A CN201410277901 A CN 201410277901A CN 104010170 A CN104010170 A CN 104010170A
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Abstract
The invention relates to a TD-LTE video communication controller with a UPS. A UPS module is arranged inside the TD-LTE video communication controller. The UPS module comprises a power supply port, a power source rectifying circuit, a DC-DC switching circuit, a battery pack management circuit and a synchronous voltage reduction circuit which are sequentially connected, wherein the power source rectifying circuit is used for rectifying a power source, the DC-DC switching circuit is used for adjusting a voltage, the battery pack management circuit is used for storage electricity, a battery chip is arranged inside the battery pack management circuit, and the synchronous voltage reduction circuit is used for reducing the voltage to be a working voltage. The synchronous voltage reduction circuit outputs the working voltage to the controller. When an electric supply is powered up, the electric supply is subjected to voltage transformation through a switching power supply and then supplies electricity to the controller and charges the battery chip through the power supply port, the power source rectifying circuit, the DC-DC switching circuit, the battery pack management circuit and the synchronous voltage reduction circuit. When power failure happens to the electric supply, the battery chip is started, and voltage outputting is conducted through the synchronous voltage reduction circuit to supply electricity to the controller. According to the TD-LTE video communication controller with the UPS, the UPS module is integrated in the controller, seamless switching can be achieved when the electric supply is disconnected, the TD-LTE video communication controller is composed of an integrated chip and a discrete device, so that the integration level is high, and cost is low.
Description
Technical field
The present invention relates to field of video monitoring, more specifically, relate to a kind of TD-LTE video communication controller with UPS.
Background technology
In field of video monitoring, for guarantee equipment runs without interruption, what generally adopt is UPS power supply.Current technical scheme is UPS and video monitoring equipment separate design, due to UPS comparison in equipment heaviness, causes equipment installation and supply line to construct more loaded down with trivial details, and installation site is also subject to certain restrictions.As shown in Figure 1, its operation principle is: in using commercial power supply, SDI camera acquisition is to image, be transferred to the transmitting terminal of SDI fiber optical transceiver by coaxial cable, fiber optical transceiver converts sdi signal to light pulse signal, arrive the receiving terminal of fiber optical transceiver by Optical Fiber Transmission, receiving terminal converts light pulse signal to sdi signal and is input in SDI DVR, and SDI DVR carries out this locality storage and watches.Can telemanagement SDI DVR by client.If had a power failure suddenly in monitor procedure, UPS is switched to rapidly battery pack operating state, provides stable power supply to watch-dog, makes it continue steady operation, reaches the object of uninterrupted monitoring.But this UPS supply power mode construction cost is high, needs special UPS equipment, and lay special power line and be connected with UPS, very flexible.
Summary of the invention
The present invention is at least one defect (deficiency) overcoming described in above-mentioned prior art, provide a kind of integrated level high, can be in the time of civil power power-off the TD-LTE video communication controller with UPS of uninterrupted power supply.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
A kind of TD-LTE video communication controller with UPS, in controller, be provided with UPS module, described UPS module comprises the power supply interface connecting successively, for the power rectifier circuit that power supply is carried out to rectification, the DC-DC change-over circuit that voltage is adjusted, for the battery set management circuit of accumulate, for reducing the voltage to the synchronous buck circuit of operating voltage, synchronous buck circuit is to controller output services voltage, wherein in battery set management circuit, be provided with battery chip, in the time of mains-supplied, civil power passes through power supply interface after Switching Power Supply transformation again, power rectifier circuit, DC-DC change-over circuit, battery set management circuit, synchronous buck circuit is controller power supply and battery chip is charged, in the time of civil power power-off battery chip start and after synchronous buck circuit output services voltage be controller power supply.
In such scheme, shown in power supply interface be DC plug, its input connects mains supply by Switching Power Supply, its output termination power rectifier circuit.
In such scheme, described power rectifier circuit comprises fuse F1 and the rectifier diode D3 being connected with fuse F1 one end, and the fuse F1 other end is connected with power supply interface, and rectifier diode D3 is connected with DC-DC change-over circuit.
In such scheme, described DC-DC change-over circuit comprises MP1495 chip U9, capacitor C 54, capacitor C B22, capacitor C B24, resistance R 76, resistance R 71, resistance R 90, resistance R 73, capacitor C 52, resistance R 78, capacitor C B26, inductance L 2, resistance R 146, adjustable resistance R80, adjustable resistance R92, capacitor C B28, capacitor C 56, CB30, and the power supply of power rectifier circuit output connects the IN end of U9, R71 and the R90 ground connection of passing through series connection; The IN end of U9 is also by C54, CB22 ground connection parallel with one another, and the VCC end of U9 connects its AAM end by CB24 ground connection and by R76; The AAM end of U9 is by R73, C52 ground connection parallel with one another, and the EN end of U9 is by R90 ground connection, and its GND holds ground connection, and its BST end is connected to SW end by R78, the CB26 of series connection, its SW end connection L2 one end, and the L2 other end is by R80, the R92 ground connection of series connection; The FB end of U9 is connected between R80 and R92 by R146, and CB28 one end is connected to the L2 other end, and the other end of CB28 is connected between R80 and R92, C56 and CB30 rear one end parallel with one another ground connection, and the other end connects the L2 other end and connects battery set management circuit; Wherein after power supply input U9, by the resistance value of adjusting R80 and R92, voltage is adjusted, and by L2, C56 and CB30, the voltage after adjusting is carried out to stable output voltage after filtering.
In such scheme, battery set management circuit comprises the TP4056 chip U17 as battery chip, MAX4842 chip U18, resistance R 1, capacitor C B31, capacitor C 17, resistance R 24, capacitor C 22, capacitor C B32, diode D1, resistance R 93, resistance R 97, field effect transistor Q5, field effect transistor Q6, resistance R 200, resistance R 201, the output of DC-DC change-over circuit connects VCC end and the CE end of U17 by R1, connect the EN end of U18 and connect the positive pole of D1 by R93, the VCC end of U17 and CE end are also by CB31 and C17 ground connection parallel with one another, the CHRG end of U17, STDBY end, GND end, TEMP holds equal ground connection, the PROG end of U17 is by R24 ground connection, the BAT end of U17 is also connected to the VCC end of U18 simultaneously by C22 parallel with one another and CB32 ground connection, the GND end ground connection of U18, its EN end is also by R92 ground connection, the R200 of its FLAG end by series connection and R201 ground connection simultaneously as I/O port, its GATE end is connected to respectively the grid of Q5 and Q6, and its VCC end is connected to the drain electrode of Q5, the source electrode of Q5 is connected to the source electrode of Q6, and the output as battery set management circuit after the drain electrode of Q6 is connected with the negative pole of D1 connects synchronous buck circuit, the error of omission of Q6, EN end to U17 charging, U18 when mains-supplied quits work for high level makes U18, and civil power passes through D1 out-put supply to synchronous buck circuit, when civil power power-off, the EN of U18 end is worked for low level makes U18, and the cell voltage of U17 is by U18, Q5 and Q6 input synchronous buck circuit.
In such scheme, described synchronous buck circuit comprises SY8009B chip U14, capacitor C 33, capacitor C B15, resistance R 116, inductance L 3, resistance R 56, resistance R 120, capacitor C 9, capacitor C T2, capacitor C B14, the output of battery set management circuit connects the VIN end of U14 and passes through respectively C33 ground connection, the VIN end of U14 is by CB15 ground connection, the VIN end of U14, EN holds all by R116 ground connection, the GND end ground connection of U14, the LX end of U14 connects one end of L3, the other end of L3 passes through R56, R120 ground connection and with parallel with one another after CT2 and one end of CB14 be connected, one end after CT2 and CB14 are parallel with one another is also as the power output end of synchronous buck circuit, its other end ground connection, C79 one end connects the other end of L3, the FB end of the C19 other end and U14 is connected to respectively between R56 and R120,
In such scheme, described synchronous buck circuit comprises several, the VIN end of the SY8009B chip of several synchronous buck circuit all connects the output of battery set management circuit, and several synchronous buck circuit power output end separately connects respectively chips different in controller.
Compared with prior art, the beneficial effect of technical solution of the present invention is:
(1) the present invention, by UPS module and video communication controller integration packaging, in work progress, reduces ups power wiring, thereby has reduced construction cost and material cost.Owing to having broken away from the restriction of ups power wiring, so the installation of video communication controller is more convenient flexibly, there is good application prospect in wireless video monitoring field, enforce the law as the live broadcast of race, Single-soldier system, police under the scenes such as evidence obtaining, can self-poweredly record a video and transmit with it, application scenarios be more diversified.
(2) integrated UPS module in TD-LTE video communication controller of the present invention, in the time of commercial power interruption, can accomplish seamless switching, and sustainable power supply reaches several hours, thereby realizes the object of uninterrupted monitoring.
(3) UPS module of the present invention adopts integrated chip and discrete component composition, and integrated level is high, with low cost, implementation simple possible.
Brief description of the drawings
Fig. 1 is the Organization Chart of the general video monitoring system with UPS in prior art.
Fig. 2 is the Organization Chart of a kind of concrete embodiment of TD-LTE video communication controller with UPS of the present invention.
Fig. 3 is the circuit diagram of power supply interface and power supply distillation circuit in the specific embodiment of the invention.
Fig. 4 is the circuit diagram of DC-DC change-over circuit in the specific embodiment of the invention.
Fig. 5 is the circuit diagram one of battery set management circuit in the specific embodiment of the invention.
Fig. 6 is the circuit diagram two of battery set management circuit in the specific embodiment of the invention.
Fig. 7 is the circuit diagram one of synchronous buck circuit in the specific embodiment of the invention.
Fig. 8 is the circuit diagram two of synchronous buck circuit in the specific embodiment of the invention.
Fig. 9 is the circuit diagram three of synchronous buck circuit in the specific embodiment of the invention.
Figure 10 is that the specific embodiment of the invention is for connecting the switching circuit schematic diagram of battery chip.
Embodiment
Accompanying drawing, only for exemplary illustration, can not be interpreted as the restriction to this patent;
For better explanation the present embodiment, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;
To those skilled in the art, in accompanying drawing some known features and explanation thereof may to omit be understandable.
In description of the invention, it will be appreciated that, term " first ", " second " be only for describing object, and can not be interpreted as the quantity of instruction or hint relative importance or implicit indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature of " first " of restriction, " second ".In description of the invention, except as otherwise noted, the implication of " multiple " is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, can be also indirectly to connect by intermediary, can say the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term at concrete meaning of the present invention.
Below in conjunction with drawings and Examples, technical scheme of the present invention is described further.
Embodiment 1
General integrated several chips in TD-LTE video communication controller, as CPU, DDR, Flash, etc., this controller all can pass through mains-supplied under normal circumstances, by handing over straight each chip power supply into controller inside afterwards of changing.And for fear of civil power power-off, controller is quit work, in prior art, generally pass through external UPS equipment as stand-by power supply.The present invention passes through integrated UPS module in controller, and builds UPS module by integrated chip and discrete component, has both ensured the seamless switching of controller power source, can reduce again deployment cost and the construction cost of controller.Below technical scheme of the present invention is described in detail.
As shown in Figure 2, be the Organization Chart of a kind of concrete embodiment of TD-LTE video communication controller with UPS of the present invention.Referring to Fig. 2, in a kind of TD-LTE video communication controller with UPS of this specific embodiment, be provided with UPS module 1, UPS module comprises the power supply interface 11 connecting successively, for the power rectifier circuit 12 that power supply is carried out to rectification, the DC-DC change-over circuit 13 that voltage is adjusted, for the battery set management circuit 14 of accumulate, for reducing the voltage to the synchronous buck circuit 15 of operating voltage, synchronous buck circuit 15 is to controller output services voltage, wherein in battery set management circuit 14, be provided with battery chip, in the time of mains-supplied, civil power passes through power supply interface 11 after Switching Power Supply transformation again, power rectifier circuit 12, DC-DC change-over circuit 13, battery set management circuit 14, synchronous buck circuit 15 is for controller power supply and battery chip is charged, in the time of civil power power-off battery chip start and after synchronous buck circuit 15 output services voltage be controller power supply.
Based on such scheme, controller is by outside mains-supplied, when mains-supplied, the battery chip in battery set management circuit is charged, in the time of civil power power-off, it is controller power supply that battery chip in battery set management circuit starts by synchronous buck circuit immediately, realize the seamless switching of controller power source, ensure the non-stop run of controller.
In specific implementation process, as shown in Figure 3, power supply interface can adopt DC plug J9, the input of DC plug J9 connects mains supply by Switching Power Supply, the output termination power rectifier circuit of DC plug J9, wherein power rectifier circuit can be realized with the rectifier diode D3 being connected with fuse F1 one end by fuse F1, and the fuse F1 other end is connected with the DC plug J9 as power supply interface, and rectifier diode D3 is connected with DC-DC change-over circuit.In concrete application, in the time of normal commercial power supply, the AC220V of civil power is generally DC12V by Switching Power Supply by AC220V transformation, and DC12V inputs from J9, and through fuse F1 and rectifier diode D3 rectification, the power supply after rectification is input in DC-DC change-over circuit.
In specific implementation process, as shown in Figure 4, DC-DC change-over circuit comprises MP1495 chip U9, capacitor C 54, capacitor C B22, capacitor C B24, resistance R 76, resistance R 71, resistance R 90, resistance R 73, capacitor C 52, resistance R 78, capacitor C B26, inductance L 2, resistance R 146, adjustable resistance R80, adjustable resistance R92, capacitor C B28, capacitor C 56, CB30, and the power supply of power rectifier circuit output connects the IN end of U9, R71 and the R90 ground connection of passing through series connection; The IN end of U9 is also by C54, CB22 ground connection parallel with one another, and the VCC end of U9 connects its AAM end by CB24 ground connection and by R76; The AAM end of U9 is by R73, C52 ground connection parallel with one another, and the EN end of U9 is by R90 ground connection, and its GND holds ground connection, and its BST end is connected to SW end by R78, the CB26 of series connection, its SW end connection L2 one end, and the L2 other end is by R80, the R92 ground connection of series connection; The FB end of U9 is connected between R80 and R92 by R146, and CB28 one end is connected to the L2 other end, and the other end of CB28 is connected between R80 and R92, C56 and CB30 rear one end parallel with one another ground connection, and the other end connects the L2 other end and connects battery set management circuit; Wherein after power supply input U9, by the resistance value of adjusting R80 and R92, voltage is adjusted, and by L2, C56 and CB30, the voltage after adjusting is carried out to stable output voltage after filtering.When concrete application, power supply in power rectifier circuit after rectification is input in U9 (MP1495) chip, by the adjustment to R80 and R92 resistance value, the output voltage of chip U9 is adjusted into 5V, the output voltage of 5V obtains a stable 5V voltage (DC5V-B), the 5V(DC5V-B that this is stable after by L2, C56, CB30 filtering) export in battery set management circuit.
In specific implementation process, as illustrated in Figures 5 and 6, battery set management circuit comprises the TP4056 chip U17 as battery chip, MAX4842 chip U18, resistance R 1, capacitor C B31, capacitor C 17, resistance R 24, capacitor C 22, capacitor C B32, diode D1, resistance R 93, resistance R 97, field effect transistor Q5, field effect transistor Q6, resistance R 200, resistance R 201, the output of DC-DC change-over circuit connects VCC end and the CE end of U17 by R1, connect the EN end of U18 and connect the positive pole of D1 by R93, the VCC end of U17 and CE end are also by CB31 and C17 ground connection parallel with one another, the CHRG end of U17, STDBY end, GND end, TEMP holds equal ground connection, the PROG end of U17 is by R24 ground connection, the BAT end of U17 is also connected to the VCC end of U18 simultaneously by C22 parallel with one another and CB32 ground connection, the GND end ground connection of U18, its EN end is also by R92 ground connection, the R200 of its FLAG end by series connection and R201 ground connection simultaneously as I/O port, its GATE end is connected to respectively the grid of Q5 and Q6, and its VCC end is connected to the drain electrode of Q5, the source electrode of Q5 is connected to the source electrode of Q6, and the output as battery set management circuit after the drain electrode of Q6 is connected with the negative pole of D1 connects synchronous buck circuit, the error of omission of Q6, EN end to U17 charging, U18 when mains-supplied quits work for high level makes U18, and civil power passes through D1 out-put supply to synchronous buck circuit, when civil power power-off, the EN of U18 end is worked for low level makes U18, and the cell voltage of U17 is by U18, Q5 and Q6 input synchronous buck circuit.When concrete application; the stable 5V(DC5V-B exporting in DC-DC change-over circuit) voltage is added to respectively U17 (TP4056), U18 (MAX4842) and diode D1; now power supply divides two-way work; the U17 of leading up to charges to battery; in the time that cell voltage reaches certain voltage, during as 4.2V, U17 disconnects automatically; stop, to battery charging, reaching the object of protection battery.In the time that 5V (DC5V-B) voltage exists, the EN end (6 pin) of U18 is high level state, and now U18 quits work, and is holding state; The isolating diode D1 of leading up to is in addition input to DC5V voltage respectively on synchronous buck circuit, is controller power supply by synchronous buck circuit; In the time of unexpected power failure, there is no the input of DC12V voltage as the DC plug J9 of power supply interface, chip U9 quits work, there is no 5V(DC5V-B) Voltage-output, now, the EN end (6 pin) of chip U18 is low level, and U18 is waken up rapidly, and cell voltage BAT+ is input on synchronous buck circuit by Q5, Q6.
In specific implementation process, for the convenient folding to the TP4056 chip U17 as battery chip, the present invention is also connected with interconnective two plug J3 and J5 at the BAT of TP4056 chip U17 end, J3 connects the BAT end of TP4056 chip U17, J5 connects switch, be connected to MAX4842 chip U18 by switch again, as shown in figure 10, the shape body of switch is ON under normal circumstances.
In specific implementation process, as shown in Figure 7, synchronous buck circuit comprises SY8009B chip U14, capacitor C 33, capacitor C B15, resistance R 116, inductance L 3, resistance R 56, resistance R 120, capacitor C 9, capacitor C T2, capacitor C B14, the output of battery set management circuit connects the VIN end of U14 and passes through respectively C33 ground connection, the VIN end of U14 is by CB15 ground connection, the VIN end of U14, EN holds all by R116 ground connection, the GND end ground connection of U14, the LX end of U14 connects one end of L3, the other end of L3 passes through R56, R120 ground connection and with parallel with one another after CT2 and one end of CB14 be connected, one end after CT2 and CB14 are parallel with one another is also as the power output end of synchronous buck circuit, its other end ground connection, C79 one end connects the other end of L3, the FB end of the C19 other end and U14 is connected to respectively between R56 and R120.When concrete application, the voltage of exporting from battery set management chip is input in U14, U14 is by adjusting the resistance value of R56, R120, make chip U14 export predetermined voltage, as 3.3V voltage, 3.3V obtains one group of stable 3.3V voltage after by L3, CT2, CB14 filtering, and this stable 3.3V voltage is that chip and the circuit in controller powered.
In specific implementation process, owing to having comprised several chip and circuit in controller, as CPU, DDR, Flash, TD-LTE communication module and other attached chip and circuit etc., may there is the situation that operating voltage is different in different chips, module and/or circuit, in the case, synchronous buck circuit can comprise several, the VIN end of the SY8009B chip of several synchronous buck circuit all connects the output of battery set management circuit, and several synchronous buck circuit power output end separately connects respectively chips different in controller, module and/or circuit.Particularly as shown in FIG. 8 and 9, for the circuit diagram of two other synchronous buck circuit, the voltage of exporting from battery set management chip is input to respectively on U14, U15, U16, U14 is by adjusting the resistance value of R56, R120, make chip U14 output 3.3V voltage, 3.3V obtains one group of stable 3.3V voltage after by L3, CT2, CB14 filtering; U15, by adjusting R57, R121 resistance value, makes chip U15 output 1.0V voltage, and 1.0V voltage obtains one group of stable 1.0V voltage after by L4, CT3, CB17 filtering; U16, by adjusting R59, R122 resistance value, makes chip output 1.8V voltage, and 1.8V voltage obtains one group of stable 1.8V voltage after by L5, CT7, CB19 filtering.Three groups of voltages of U14, U15, U16 output are powered to CPU, DDR, Flash, TD-LTE communication module and other attached chip and circuit, have met the demand of different operating voltage, thus the object of accomplishing uninterrupted power supply.
Based on such scheme, operation principle of the present invention is as follows:
In the time of normal commercial power supply, AC220V is DC12V by Switching Power Supply by AC220V transformation, DC12V inputs from J9, through 2A insurance F1 and rectifier diode D3 rectification, power supply after rectification is input in U9 (MP1495) power supply chip (as Fig. 4), by the adjustment to R80 and R92 resistance value, chip output voltage is adjusted into 5V, 5V passes through L2, C56, after CB30 filtering, obtain a stable 5V voltage (DC5V-B), 5V(DC5V-B) voltage is added to respectively U17 (TP4056), U18 (MAX4842) and diode D1, now power supply divides two-way work, the U17 of leading up to charges (as Fig. 5 to battery, Fig. 6), in the time that cell voltage reaches 4.2V, U17 disconnects automatically, stop battery charging, reach the object of protection battery.In the time that 5V (DC5V-B) voltage exists, 6 pin of U18 are high level state, and now U18 quits work, and are holding state; The isolating diode D1 of leading up to is in addition input to DC5V voltage respectively on U14, U15, U16, U14 is by adjusting the resistance value of R56, R120, make chip U14 output 3.3V voltage, 3.3V obtains one group of stable 3.3V voltage after by L3, CT2, CB14 filtering; U15, by adjusting R57, R121 resistance value, makes chip U15 output 1.0V voltage, and 1.0V voltage obtains one group of stable 1.0V voltage after by L4, CT3, CB17 filtering; U16, by adjusting R59, R122 resistance value, makes chip output 1.8V voltage, and 1.8V voltage obtains one group of stable 1.8V voltage after by L5, CT7, CB19 filtering.Three groups of voltages of U14, U15, U16 output are powered to CPU, DDR, Flash, TD-LTE communication module and other attached chip and circuit.
In the time of unexpected power failure, J9 does not have the input of DC12V voltage, chip U9 quits work, and there is no 5V(DC5V-B) Voltage-output, now, 6 pin of chip U18 are low level, U18 is waken up rapidly, cell voltage BAT+ by Q5, Q6 be input to U14, U15, U16 is upper, U14 is by adjusting the resistance value of R56, R120, make chip U14 output 3.3V voltage, 3.3V obtains one group of stable 3.3V voltage after by L3, CT2, CB14 filtering; U15, by adjusting R57, R121 resistance value, makes chip U15 output 1.0V voltage, and 1.0V voltage obtains one group of stable 1.0V voltage after by L4, CT3, CB17 filtering; U16, by adjusting R59, R122 resistance value, makes chip output 1.8V voltage, and 1.8V voltage obtains one group of stable 1.8V voltage after by L5, CT7, CB19 filtering.Three groups of voltages of U14, U15, U16 output are powered to CPU, DDR, Flash, TD-LTE communication module and other attached chip and circuit, thus the object of accomplishing uninterrupted power supply.
The corresponding same or analogous parts of same or analogous label;
In accompanying drawing, describe position relationship for only for exemplary illustration, can not be interpreted as the restriction to this patent;
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all execution modes.All any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in the protection range of the claims in the present invention.
Claims (7)
1. the TD-LTE video communication controller with UPS, it is characterized in that, in controller, be provided with UPS module, described UPS module comprises the power supply interface connecting successively, for the power rectifier circuit that power supply is carried out to rectification, the DC-DC change-over circuit that voltage is adjusted, for the battery set management circuit of accumulate, for reducing the voltage to the synchronous buck circuit of operating voltage, synchronous buck circuit is to controller output services voltage, wherein in battery set management circuit, be provided with battery chip, in the time of mains-supplied, civil power passes through power supply interface after Switching Power Supply transformation again, power rectifier circuit, DC-DC change-over circuit, battery set management circuit, synchronous buck circuit is controller power supply and battery chip is charged, in the time of civil power power-off battery chip start and after synchronous buck circuit output services voltage be controller power supply.
2. the TD-LTE video communication controller with UPS according to claim 1, is characterized in that, shown in power supply interface be DC plug, its input connects mains supply by Switching Power Supply, its output termination power rectifier circuit.
3. the TD-LTE video communication controller with UPS according to claim 1, it is characterized in that, described power rectifier circuit comprises fuse F1 and the rectifier diode D3 being connected with fuse F1 one end, the fuse F1 other end is connected with power supply interface, and rectifier diode D3 is connected with DC-DC change-over circuit.
4. the TD-LTE video communication controller with UPS according to claim 1, it is characterized in that, described DC-DC change-over circuit comprises MP1495 chip U9, capacitor C 54, capacitor C B22, capacitor C B24, resistance R 76, resistance R 71, resistance R 90, resistance R 73, capacitor C 52, resistance R 78, capacitor C B26, inductance L 2, resistance R 146, adjustable resistance R80, adjustable resistance R92, capacitor C B28, capacitor C 56, CB30, and the power supply of power rectifier circuit output connects the IN end of U9, R71 and the R90 ground connection of passing through series connection; The IN end of U9 is also by C54, CB22 ground connection parallel with one another, and the VCC end of U9 connects its AAM end by CB24 ground connection and by R76; The AAM end of U9 is by R73, C52 ground connection parallel with one another, and the EN end of U9 is by R90 ground connection, and its GND holds ground connection, and its BST end is connected to SW end by R78, the CB26 of series connection, its SW end connection L2 one end, and the L2 other end is by R80, the R92 ground connection of series connection; The FB end of U9 is connected between R80 and R92 by R146, and CB28 one end is connected to the L2 other end, and the other end of CB28 is connected between R80 and R92, C56 and CB30 rear one end parallel with one another ground connection, and the other end connects the L2 other end and connects battery set management circuit; Wherein after power supply input U9, by the resistance value of adjusting R80 and R92, voltage is adjusted, and by L2, C56 and CB30, the voltage after adjusting is carried out to stable output voltage after filtering.
5. according to the TD-LTE video communication controller with UPS described in claim 1 to 4 any one, it is characterized in that, battery set management circuit comprises the TP4056 chip U17 as battery chip, MAX4842 chip U18, resistance R 1, capacitor C B31, capacitor C 17, resistance R 24, capacitor C 22, capacitor C B32, diode D1, resistance R 93, resistance R 97, field effect transistor Q5, field effect transistor Q6, resistance R 200, resistance R 201, the output of DC-DC change-over circuit connects VCC end and the CE end of U17 by R1, connect the EN end of U18 and connect the positive pole of D1 by R93, the VCC end of U17 and CE end are also by CB31 and C17 ground connection parallel with one another, the CHRG end of U17, STDBY end, GND end, TEMP holds equal ground connection, the PROG end of U17 is by R24 ground connection, the BAT end of U17 is also connected to the VCC end of U18 simultaneously by C22 parallel with one another and CB32 ground connection, the GND end ground connection of U18, its EN end is also by R92 ground connection, the R200 of its FLAG end by series connection and R201 ground connection simultaneously as I/O port, its GATE end is connected to respectively the grid of Q5 and Q6, and its VCC end is connected to the drain electrode of Q5, the source electrode of Q5 is connected to the source electrode of Q6, and the output as battery set management circuit after the drain electrode of Q6 is connected with the negative pole of D1 connects synchronous buck circuit, the error of omission of Q6, EN end to U17 charging, U18 when mains-supplied quits work for high level makes U18, and civil power passes through D1 out-put supply to synchronous buck circuit, when civil power power-off, the EN of U18 end is worked for low level makes U18, and the cell voltage of U17 is by U18, Q5 and Q6 input synchronous buck circuit.
6. the TD-LTE video communication controller with UPS according to claim 5, it is characterized in that, described synchronous buck circuit comprises SY8009B chip U14, capacitor C 33, capacitor C B15, resistance R 116, inductance L 3, resistance R 56, resistance R 120, capacitor C 9, capacitor C T2, capacitor C B14, the output of battery set management circuit connects the VIN end of U14 and passes through respectively C33 ground connection, the VIN end of U14 is by CB15 ground connection, the VIN end of U14, EN holds all by R116 ground connection, the GND end ground connection of U14, the LX end of U14 connects one end of L3, the other end of L3 passes through R56, R120 ground connection and with parallel with one another after CT2 and one end of CB14 be connected, one end after CT2 and CB14 are parallel with one another is also as the power output end of synchronous buck circuit, its other end ground connection, C79 one end connects the other end of L3, the FB end of the C19 other end and U14 is connected to respectively between R56 and R120.
7. the TD-LTE video communication controller with UPS according to claim 6, it is characterized in that, described synchronous buck circuit comprises several, the VIN end of the SY8009B chip of several synchronous buck circuit all connects the output of battery set management circuit, and several synchronous buck circuit power output end separately connects respectively chips different in controller.
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| CN201410277901.5A CN104010170B (en) | 2014-06-20 | 2014-06-20 | A kind of TD LTE video communication controllers of band UPS |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572565A (en) * | 2015-10-08 | 2017-04-19 | 深圳市金锐显数码科技有限公司 | Two-in-one power supply |
| CN107154728A (en) * | 2017-05-19 | 2017-09-12 | 威创集团股份有限公司 | A kind of DC voltage electrifying timing sequence control device |
| CN109343636A (en) * | 2018-11-19 | 2019-02-15 | 威创集团股份有限公司 | Dual output circuit and chip |
| CN110881119A (en) * | 2018-09-04 | 2020-03-13 | 理查德·斯蒂利 | Closed circuit television system, power supply circuit of closed circuit television system and power supply method of closed circuit television system |
| CN112005281A (en) * | 2018-04-26 | 2020-11-27 | 谷歌有限责任公司 | System and method for power management on smart devices |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425384Y (en) * | 2000-06-15 | 2001-03-28 | 林厚波 | Microcomputer controlled computer built-in integrated uninterruption power source |
| CN101803148A (en) * | 2007-07-18 | 2010-08-11 | 埃克弗洛普公司 | Power supply for a data center |
| CN201569974U (en) * | 2009-12-05 | 2010-09-01 | 亓胜田 | Integrated computer power supply |
| CN101873748A (en) * | 2010-06-22 | 2010-10-27 | 中山市汉仁电子有限公司 | UPS LED ceiling lamp for realizing dimming by human body induction |
-
2014
- 2014-06-20 CN CN201410277901.5A patent/CN104010170B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2425384Y (en) * | 2000-06-15 | 2001-03-28 | 林厚波 | Microcomputer controlled computer built-in integrated uninterruption power source |
| CN101803148A (en) * | 2007-07-18 | 2010-08-11 | 埃克弗洛普公司 | Power supply for a data center |
| CN201569974U (en) * | 2009-12-05 | 2010-09-01 | 亓胜田 | Integrated computer power supply |
| CN101873748A (en) * | 2010-06-22 | 2010-10-27 | 中山市汉仁电子有限公司 | UPS LED ceiling lamp for realizing dimming by human body induction |
Non-Patent Citations (2)
| Title |
|---|
| 郑晓庆，杨日杰，杨立永，赵轩坤: "多路输出DC-DC电路设计", 《研究与开发》 * |
| 雷开卓，邓威，黄建国，王宇: "多功能直流UPS的设计", 《电源技术应用》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572565A (en) * | 2015-10-08 | 2017-04-19 | 深圳市金锐显数码科技有限公司 | Two-in-one power supply |
| CN107154728A (en) * | 2017-05-19 | 2017-09-12 | 威创集团股份有限公司 | A kind of DC voltage electrifying timing sequence control device |
| CN112005281A (en) * | 2018-04-26 | 2020-11-27 | 谷歌有限责任公司 | System and method for power management on smart devices |
| US11743578B2 (en) | 2018-04-26 | 2023-08-29 | Google Llc | Systems and methods of power-management on smart devices |
| CN110881119A (en) * | 2018-09-04 | 2020-03-13 | 理查德·斯蒂利 | Closed circuit television system, power supply circuit of closed circuit television system and power supply method of closed circuit television system |
| CN109343636A (en) * | 2018-11-19 | 2019-02-15 | 威创集团股份有限公司 | Dual output circuit and chip |
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|---|---|
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