AC/DC electric supply installation and ultrasonic diagnostic equipment
Technical field
The utility model relates to technical field of medical instruments, relates in particular to a kind of AC/DC electric supply installation and ultrasonic diagnostic equipment.
Background technology
Ultrasonic diagnostic equipment more and more receives an acclaim in every field especially medical field owing to the advantage of its unique non-invasive diagnosis.But traditional ultrasonic diagnostic equipment generally all can only be powered with utility grid, so, under some environment, its use just is very limited, for example under the situation of handling outdoor studies such as traffic accident, earthquake-stricken area, just can't normally use, affect the state of an illness adversely, give and to rob that calamity is recovered, diagnosis, treatment in the processing accident in time bring inconvenience.
The utility model content
Main purpose of the present utility model is to provide a kind of AC/DC electric supply installation and ultrasonic diagnostic equipment, is intended to enlarge the scope of application of equipment.
The utility model provides a kind of AC/DC electric supply installation, comprises power supply adaptor, Power Management Unit, energy-storage battery and DC/DC change-over circuit, and described power supply adaptor converts alternating current direct current to and exports Power Management Unit to; Described Power Management Unit is handled the electric energy of power supply adaptor output, so that energy-storage battery is charged; Described energy-storage battery storage of electrical energy is also exported according to the control of Power Management Unit; Described DC/DC change-over circuit links to each other with Power Management Unit, and the direct current that power supply adaptor is exported converts different magnitudes of voltage to, and exports according to the control of Power Management Unit.
Preferably, described Power Management Unit comprises central processing module, power supply handover module and battery charger, wherein,
Central processing module is used for according to the controlling electric energy energy-storage battery of power supply adaptor output or the operating state of DC/DC change-over circuit;
The power supply handover module links to each other with power supply adaptor with central processing module respectively, opens the DC/DC change-over circuit when power supply adaptor has electric energy output, makes the DC/DC change-over circuit carry out work, or opens battery charger so that energy-storage battery is charged; Or when power supply adaptor does not have electric energy output, open energy-storage battery according to the control command that central processing module sends, make its output electric energy;
Battery charger also links to each other with energy-storage battery, and energy-storage battery is charged.
Preferably, described Power Management Unit also comprises indicator light, is arranged in battery charger, the operating state of pilot cell charging circuit.
Preferably, described energy-storage battery comprises lithium energy-storage battery, polymer energy-storage battery, ni-mh energy-storage battery, plumbic acid energy-storage battery or farad capacitor.
Preferably, said apparatus also comprises the housing of accommodating described Power Management Unit, energy-storage battery and DC/DC change-over circuit, and described power supply adaptor is positioned at the outside of housing.
A kind of ultrasonic diagnostic equipment of AC/DC, comprise supersonic diagnostic appts and coupled AC/DC electric supply installation, described AC/DC electric supply installation comprises power supply adaptor, Power Management Unit, energy-storage battery and DC/DC change-over circuit, and described power supply adaptor converts alternating current direct current to and exports Power Management Unit to; Described Power Management Unit is handled the electric energy of power supply adaptor output, so that energy-storage battery is charged; Described energy-storage battery storage of electrical energy is also exported according to the control of Power Management Unit; Described DC/DC change-over circuit links to each other with Power Management Unit, and the direct current that power supply adaptor is exported converts different magnitudes of voltage to, and exports according to the control of Power Management Unit.
Preferably, described Power Management Unit comprises central processing module, power supply handover module and battery charger, wherein,
Central processing module is used for according to the controlling electric energy energy-storage battery of power supply adaptor output or the operating state of DC/DC change-over circuit;
The power supply handover module links to each other with power supply adaptor with central processing module respectively, opens the DC/DC change-over circuit when power supply adaptor has electric energy output, makes the DC/DC change-over circuit carry out work, or opens battery charger so that energy-storage battery is charged; Or when power supply adaptor does not have electric energy output, open energy-storage battery according to the control command that central processing module sends, make its output electric energy;
Battery charger also links to each other with energy-storage battery, and energy-storage battery is charged.
Preferably, described Power Management Unit also comprises indicator light, is arranged in battery charger, the operating state of pilot cell charging circuit.
Preferably, described energy-storage battery comprises lithium energy-storage battery, polymer energy-storage battery, ni-mh energy-storage battery, plumbic acid energy-storage battery or farad capacitor.
AC/DC electric supply installation provided by the utility model or ultrasonic diagnostic equipment, can power by power supply adaptor or energy-storage battery, thereby both applicable to alternating current also applicable to direct current, make that the scope of application of supersonic diagnostic appts is more extensive, striven for saving the quality time of sick and wounded trouble greatly.
Description of drawings
Fig. 1 is the electrical block diagram of AC/DC electric supply installation in the execution mode of the present utility model;
Fig. 2 is the structural representation of Power Management Unit among the embodiment of the present utility model;
Fig. 3 is the structural representation of DC/DC change-over circuit among the embodiment of the present utility model;
Fig. 4 is the external structure schematic diagram of AC/DC ultrasonic diagnostic equipment among the embodiment of the present utility model.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 shows the structure of AC/DC electric supply installation 100 in the execution mode of the present utility model.This AC/DC electric supply installation 100 comprises power supply adaptor 10, Power Management Unit 20, energy-storage battery 30 and DC/DC change-over circuit, and described power supply adaptor 10 converts alternating current direct current to and exports Power Management Unit 20 to; The electric energy of 20 pairs of power supply adaptors of described Power Management Unit, 10 outputs is handled, so that energy-storage battery 30 is charged; Described energy-storage battery 30 storage of electrical energy are also exported according to the control of Power Management Unit 20, described DC/DC change-over circuit 40 links to each other with Power Management Unit 20, convert the direct current of power supply adaptor 10 outputs to different magnitude of voltage, and export according to the control of Power Management Unit 20.
In the utility model, can earlier the AC power of power supply adaptor 10 with 220V or 110V be linked to each other, change by 10 pairs of alternating currents of power supply adaptor, output DC is to Power Management Unit 20, by the different voltages of DC/DC change-over circuit 40 outputs, use again for various device.Whether Power Management Unit 20 also can detect energy-storage battery 30 when power supply adaptor 10 output dc voltages need charging, and be energy-storage battery 30 chargings under the state that energy-storage battery 30 needs to charge; When Power Management Unit 20 when no alternating current is imported is gone back may command energy-storage battery 30 output electric energy to DC/DC change-over circuit 40, so that external equipment is powered.
In one embodiment, power supply adaptor 10 can convert the alternating current of 220V or 110V to the direct current of 17.2V and export Power Management Unit 20 to, and DC/DC change-over circuit 40 can produce various voltages, for example 3.3V, 5V, 12V ,-12V etc.
Above-mentioned Power Management Unit 20 can be a single-chip microcomputer, and as shown in Figure 2, it can comprise central processing module 21, power supply handover module 22 and battery charger 23, wherein,
Central processing module 21 is used for according to the controlling electric energy energy-storage battery 30 of power supply adaptor 10 outputs or the operating state of DC/DC change-over circuit 40;
Power supply handover module 22 links to each other with power supply adaptor 10 with central processing module 21 respectively, when having electric energy output, opens power supply adaptor 10 DC/DC change-over circuit 40, make DC/DC change-over circuit 40 carry out work, or open battery charger 23 so that energy-storage battery 30 is charged; Or when power supply adaptor 10 no electric energy are exported, open energy-storage battery 30 according to the control command that central processing module 21 sends, make its output electric energy to DC/DC change-over circuit 40;
Battery charger 23 links to each other with energy-storage battery 30, and energy-storage battery 30 is charged.With 14.8V lithium energy-storage battery characteristic is example: during charging, the voltage of energy-storage battery 30 wakes up with trickle when 12V is following; The voltage of energy-storage battery 30 charges with current constant mode during greater than 12V but less than 16V; The voltage of energy-storage battery 30 charges with the constant voltage mode during greater than 16V but less than 16.8V; The voltage of energy-storage battery 30 stops charging during greater than 16.8V.
In one embodiment, Power Management Unit 20 also comprises indicator light 24, is arranged in battery charger 23, is used to indicate the operating state of battery charger 23.
Above-mentioned energy-storage battery 30 can be lithium energy-storage battery, polymer energy-storage battery, ni-mh energy-storage battery, plumbic acid energy-storage battery or farad capacitor.
The utility model AC/DC electric supply installation 100 also can comprise the housing of accommodating described Power Management Unit 20, energy-storage battery 30 and DC/DC change-over circuit 40.And described power supply adaptor is positioned at the outside of housing, is electrically connected with the Power Management Unit 20 of enclosure interior by cable.
Fig. 3 shows the structure of DC/DC change-over circuit 40 among the embodiment of the present utility model.This DC/DC change-over circuit 40 links to each other with power supply handover module 22, comprises 41,5 DC/DC shunt 42 of 5VSB circuit and Power Good circuit 43, can provide needed operating voltage for each equipment.
The electric current of power supply handover module 22 outputs can be used as the input power supply of DC/DC change-over circuit 40, when power supply adaptor 10 is access in, or after receiving the start signal of central processing module 21,5VSB circuit 41 just begins to start and keep operating state all the time, sends 5VSB voltage simultaneously.At this moment the partial function of external equipment begins initialization and enters holding state, and is ready for starting shooting.Other DC/DC shunt 42 all is in cut-off state, up to the starting-up signal PON that obtains external equipment.Each DC/DC 42 starts working along separate routes, simultaneously state is separately delivered to Power Good circuit 43, after whole power supply outputs fully normally, Power Good circuit 43 postpones 300ms-500ms second, send the switch normal signal, after the operating circuit of external equipment is received the switch normal signal, enter the start flow process immediately, the equipment operate as normal.If external equipment is pressed the start key not connecing under the situation of external power supply, then directly enter 5VSB and start workflow, energy-storage battery 30 begins power devices.
Fig. 4 shows the external structure of AC/DC ultrasonic diagnostic equipment in the execution mode of the present utility model.This AC/DC ultrasonic diagnostic equipment comprises above-mentioned AC/DC electric supply installation 100 and supersonic diagnostic appts 200.
The workflow of the utility model AC/DC ultrasonic diagnostic equipment can for: when the working power of power supply adaptor 10 output 17.2V is given power supply handover module 22, whether central processing module 21, and enters working procedure: detecting power supply handover module 22 again has the voltage of 17.2V, energy-storage battery 30 whether to need charging etc. if being waken up.If energy-storage battery 30 needs charging, then battery charger 23 work are energy-storage battery 30 chargings; Whether the mains switch 201 that detects supersonic diagnostic appts 200 then is opening, if be opening, then 21 pairs of DC/DC change-over circuits 40 of central processing module are sent start-up command, DC/DC change-over circuit 40 work, the various voltages that generation equipment needs and output.
Simultaneously, indicator light 24 demonstrates corresponding state; After energy-storage battery 30 was full of, Charge Management unit 20 stopped energy-storage battery 30 chargings, and showed by indicator light 24.When power supply adaptor 10 was removed, power supply handover module 22 switched to energy-storage battery 30 power supply states to DC/DC change-over circuit 40 automatically, and supersonic diagnostic appts 200 work are not interrupted during this.
If start power switch circuit 11 under the situation that does not have plug-in source adapter 30, then central processing module 21 is waken up immediately, directly enters working procedure.
Above-mentioned Power Management Unit 20 and DC/DC change-over circuit 40 can be integrated on the power control circuit plate 50, and energy-storage battery 30 and power control circuit plate 50 be arranged on existing supersonic diagnostic appts 200 inside, power control circuit plate 50 is linked to each other with power supply adaptor 10, can form the ultrasonic diagnostic equipment of the utility model AC/DC.Can have under the condition of power supply network on the power control circuit plate 50, power supply adaptor 10 is linked to each other with electrical network, open the mains switch 201 of supersonic diagnostic appts 200, under the control of power control circuit plate 50, equipment just can be worked under the voltage that is provided by power supply adaptor 10, for the doctor patient is carried out diagnostic operation, power control circuit plate 50 is also controlled energy-storage battery 30 is charged simultaneously; When power supply network disconnects suddenly or do not have under the situation of power supply network, power control circuit plate 50 will be controlled by 200 power supplies of 30 pairs of supersonic diagnostic appts of energy-storage battery, with the reply emergency.
It below only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.