CN203943958U - A kind of portable charging drip stand - Google Patents
A kind of portable charging drip stand Download PDFInfo
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- CN203943958U CN203943958U CN201420297847.6U CN201420297847U CN203943958U CN 203943958 U CN203943958 U CN 203943958U CN 201420297847 U CN201420297847 U CN 201420297847U CN 203943958 U CN203943958 U CN 203943958U
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- outfan
- wave filter
- accumulator
- doubler
- transistor
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Abstract
The utility model proposes a kind of portable charging drip stand, comprising: base, pole and hanger; The fixing universal wheel in bottom of described base, base is hollow structure, accumulator is placed in inner space, places circular circuit board above accumulator; Described pole is hollow structure, and pole bottom opening also extends input plug, and pole intermediate openings is also extended output plug.Portable charging drip stand of the present utility model, can serve as normal drip stand and use, and can be the chargings such as such as micro pump of portable medical device again, has facilitated the use of portable medical device, and has not taken additional space.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of drip stand.
Background technology
Traditional transfusion room only needs the drip stand just can be for patient completes transfusion, but along with the development of transfusion medicament, some medicine is in infusion process, need accurate, micro-, injection for a long time, therefore, micro pump arises at the historic moment, at present, micro pump has become the standard configuration of transfusion room.
Micro pump is Portable medical instrument, and volume is little lightweight, injectable drug accurately, trace, be applicable to long-time micro-administration.But the battery capacity of infusion pump inside is limited, long-time use need to be received AC socket charging by adapter, and power supply voltage level is 12V DC voltage.Reach 10 hours above patients for transfusion time, the battery capacity of infusion pump inside is difficult to provide from start to finish electric power, and if by alternating current power supply charging, need patient to move to together socket side, very inconvenient.
Utility model content
The utility model proposes a kind of portable charging drip stand, having solved transfusion and having carried out the portable instruments such as the middle micro pump inconvenient problem of charging.
The technical solution of the utility model is achieved in that
A kind of portable charging drip stand, comprising: base, pole and hanger; The fixing universal wheel in bottom of described base, base is hollow structure, accumulator is placed in inner space, places circular circuit board above accumulator; Described pole is hollow structure, and pole bottom opening also extends input plug, and pole intermediate openings is also extended output plug;
Described circuit board is circular, connects successively along clockwise direction input interface, rectifier bridge, the first wave filter, the first power converter, the second wave filter, accumulator interface, the second power converter and output interface; Described input interface connects input plug, and output interface connects output plug;
One end of described the first wave filter is connected to the outfan of rectifier bridge, and the other end is connected to earth potential;
Described the first power converter comprises:
Transformator, comprise former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described the first wave filter, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends;
The first switching tube, its source electrode is connected to transformer primary side winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
The first switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to described the first wave filter, and the colelctor electrode of transistor seconds is connected to former limit earth potential;
First frequency circuit for generating, comprises the first phaselocked loop, and it is connected to crystal oscillator; The first low pass filter, is connected to the outfan of the first phaselocked loop; The first voltage controlled oscillator, is connected to the first low pass filter outfan, and its outfan is connected to the first amplifier, and the outfan of the first amplifier is connected to the control end of described the first switch driver;
The first diode, its anodic bonding is to transformator secondary winding first end, and its negative electrode is connected to described the second wave filter;
The second wave filter comprises the first inducer and the first capacitor, and the first inducer is connected to the negative electrode of described the first diode, and the common port of the first inducer and the first capacitor is connected to accumulator interface, and the other end of the first capacitor is connected to secondary earth potential;
Described accumulator interface is connected to the input of described the second wave filter, accumulator and the second power converter;
Described the second power converter comprises:
The second inducer, its one end is connected to described accumulator interface;
Second switch pipe and the 3rd switching tube, the source electrode of second switch pipe and the 3rd switching tube links together and is connected to the other end of the second inducer, the drain electrode of second switch pipe is connected to secondary earth potential, the drain electrode of the 3rd switching tube is connected to the second capacitor, and the other end of the second capacitor is connected to secondary earth potential;
Second switch driver, it is the UC3714 of Texas Instruments chip, and the clock signal based on control end input produces the switching drive signal of two-way complementation, and a road is coupled to described second switch tube grid, and another road is coupled to described the 3rd switching tube grid;
Second frequency circuit for generating, comprises the second phaselocked loop, and it is connected to crystal oscillator; The second low pass filter, is connected to the outfan of the second phaselocked loop; The second voltage controlled oscillator, is connected to the second low pass filter outfan, and its outfan exports the second amplifier to, and the outfan of the second amplifier is connected to the control end of described second switch driver.
Alternatively, described the first wave filter is capacitor.
Alternatively, described accumulator interface is pad, and pad connects the input of described the second wave filter, accumulator and the second power converter.
Alternatively, described second frequency circuit for generating also comprises doubler, the outfan of the second voltage controlled oscillator is leaded up to doubler circuit and is fed back to the second phaselocked loop, and another road exports the second amplifier to, and the outfan of the second amplifier is connected to the control end of described second switch driver;
Described doubler circuit comprises 3 doubler, 6 doubler and 9 doubler that are connected in parallel, and described 3 doubler, 6 doubler and 9 doubler are connected to the second phaselocked loop by the first change-over switch, the second change-over switch and the 3rd change-over switch respectively;
Described the first change-over switch, the second change-over switch and the 3rd change-over switch are connected with the button on described pole.
The beneficial effects of the utility model are:
Can serve as normal drip stand and use, can be the chargings such as such as micro pump of portable medical device again, facilitated the use of portable medical device, and do not taken additional space.
Brief description of the drawings
In order to be illustrated more clearly in this utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall structure schematic diagram of a kind of portable charging drip stand of this utility model;
Fig. 2 is the integral layout figure of the circuit board of a kind of portable charging drip stand of this utility model;
Fig. 3 is the circuit diagram of the circuit board of a kind of portable charging drip stand of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, obviously, described embodiment is only this utility model part embodiment, instead of whole embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of this utility model protection.
As shown in Figure 1, a kind of portable charging drip stand of the present utility model, comprising: base 100, pole 200 and hanger 300; The fixing universal wheel 90 in bottom of described base 100, base is hollow structure, accumulator 5 is placed in inner space, places circular circuit board 1 above accumulator; Described pole 200 is hollow structure, and pole bottom opening also extends input plug 71, and pole intermediate openings is also extended output plug 81.Input plug 71 is connected to the AC socket on metope, and output plug 81 is connected to the Portable medical instruments such as micro pump.
As shown in Figure 2, described circuit board 1 is circular, connects successively along clockwise direction input interface 70, rectifier bridge 2, the first wave filter 3, the first power converter 10, the second wave filter 17, accumulator interface 4, the second power converter 20 and output interface 80; Described input connects 70 mouthfuls and connects input plug 71, and output interface 80 connects output plug 81, and the accumulator that accumulator interface 4 is placed below with circuit board is connected.By input interface 70 input AC electricity, by rectifier bridge 2, AC rectification is become to pulsating direct current, the first wave filter 3 is filtered into galvanic current by pulsating direct current and presses, the first power converter is the magnitude of voltage of accumulator available levels by above-mentioned DC voltage conversion, and carry out filtering by the second wave filter 17, eliminate burr; Accumulator interface 4 is the common point of the second wave filter 17, accumulator 5 and the second power converter 20, the second power converter 20 is transformed to the output voltage of accumulator 5 DC voltage of micro pump or other Portable medical instrument available levels, exports by output interface 80.
Below in conjunction with Fig. 3, the circuit of circuit board 1 is elaborated.
The input interface 70 of circuit board 1 is connected to alternating current power supply, and one end of described the first wave filter 3 is connected to the outfan of rectifier bridge 2, and the other end is connected to earth potential.
Described the first power converter 10 comprises: transformator 11, transformator 11 comprises former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described the first wave filter 3, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends; The first switching tube 12, its source electrode is connected to the former limit of transformator 11 winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver 13; The first switch driver 13, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, the colelctor electrode of the first transistor is connected to described the first wave filter 3, using the output voltage of the first wave filter 3 as supply voltage, the colelctor electrode of transistor seconds is connected to former limit earth potential; First frequency circuit for generating 30, comprises the first phaselocked loop 31, and it is connected to crystal oscillator 99; The first low pass filter 32, is connected to the outfan of the first phaselocked loop 31; The first voltage controlled oscillator 33, is connected to the first low pass filter 32 outfans, and its outfan is connected to the outfan output first frequency signal f1 of the first amplifier 35, the first amplifiers 35 to the control end of described the first switch driver 13; The first diode 14, its anodic bonding is to transformator 11 secondary winding first ends, and its negative electrode is connected to described the second wave filter 17.
The second wave filter 17 comprises the first inducer 15 and the first capacitor 16, the first inducer 15 is connected to the negative electrode of described the first diode 14, the other end that the common port of the first inducer 15 and the first capacitor 16 is connected to accumulator interface 4, the first capacitors 16 is connected to secondary earth potential.
Described accumulator interface 4 is connected to the input of described the second wave filter 17, accumulator 5 and the second power converter 20.
Described the second power converter 20 comprises: the second inducer 21, and its one end is connected to described accumulator interface 4; Second switch pipe 22 and the 3rd switching tube 23, the source electrode of second switch pipe 22 and the 3rd switching tube 23 links together and is connected to the other end of the second inducer 21, the drain electrode of second switch pipe 22 is connected to secondary earth potential, the other end that the drain electrode of the 3rd switching tube 23 is connected to the second capacitor 25, the second capacitors 25 is connected to secondary earth potential; Second switch driver 24, it is the UC3714 of Texas Instruments chip, clock signal based on control end input produces the switching drive signal of two-way complementation, and a road is coupled to described second switch pipe 22 grids, and another road is coupled to described the 3rd switching tube 23 grids; Second frequency circuit for generating 40, comprises the second phaselocked loop 41, and it is connected to crystal oscillator 99; The second low pass filter 42, is connected to the outfan of the second phaselocked loop; The second voltage controlled oscillator 43, is connected to the second low pass filter outfan, and its outfan exports the outfan output second frequency signal f2 of the second amplifier 44, the second amplifiers to the control end of described second switch driver 24.The frequency of oscillation of above-mentioned crystal oscillator 99 is 100MHz, and the frequency of oscillation of crystal oscillator and the design of frequency generating circuit have determined the numerical value of output interface 80 output voltages.
Preferably, described the first wave filter 3 is capacitor, and the voltage at capacitor two ends can not suddenly change, and by independent capacitor, the pulsating dc voltage of rectifier bridge output is carried out to filtering, can realize good filter effect.
Preferably, described accumulator interface 4 is pad, and pad connects the input of described the second wave filter 17, accumulator 5 and the second power converter 20, as common point.
As shown in Figure 3, preferably, described second frequency circuit for generating 40 also comprises doubler, the outfan of the second voltage controlled oscillator 43 is leaded up to doubler circuit and is fed back to the second phaselocked loop 41, the outfan that another road exports the second amplifier 44, the second amplifiers to is connected to the control end of described second switch driver; Described doubler circuit comprises 3 doubler 45,6 doubler 46 and 9 doubler 47 that are connected in parallel, and described 3 doubler, 6 doubler and 9 doubler are connected to the second phaselocked loop 43 by the first change-over switch 51, the second change-over switch 52 and the 3rd change-over switch 53 respectively; Described the first change-over switch 51, the second change-over switch 52 and the 3rd change-over switch 53 are connected with the button on described pole 200, by the switching of the button control doubler on operation pole, and then the switching frequency of control second switch pipe 22 and the 3rd switching tube 23, realize the adjusting of output interface 80 output voltages, to meet the portable equipment of different electric pressures.
Portable charging drip stand of the present utility model, can serve as normal drip stand and use, and can be the chargings such as such as micro pump of portable medical device again, has facilitated the use of portable medical device, and has not taken additional space.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (4)
1. a portable charging drip stand, is characterized in that, comprising: base, pole and hanger; The fixing universal wheel in bottom of described base, base is hollow structure, accumulator is placed in inner space, places circular circuit board above accumulator; Described pole is hollow structure, and pole bottom opening also extends input plug, and pole intermediate openings is also extended output plug;
Described circuit board is circular, connects successively along clockwise direction input interface, rectifier bridge, the first wave filter, the first power converter, the second wave filter, accumulator interface, the second power converter and output interface; Described input interface connects input plug, and output interface connects output plug;
One end of described the first wave filter is connected to the outfan of rectifier bridge, and the other end is connected to earth potential;
Described the first power converter comprises:
Transformator, comprise former limit winding and secondary winding, former limit winding comprises first end and the second end, secondary winding comprises first end and the second end, former limit winding first end is connected to described the first wave filter, secondary winding the second end is connected to secondary earth potential, and former limit winding first end and secondary winding the second end are Same Name of Ends;
The first switching tube, its source electrode is connected to transformer primary side winding the second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
The first switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter stage of the first transistor and transistor seconds links together as outfan, and the colelctor electrode of the first transistor is connected to described the first wave filter, and the colelctor electrode of transistor seconds is connected to former limit earth potential;
First frequency circuit for generating, comprises the first phaselocked loop, and it is connected to crystal oscillator; The first low pass filter, is connected to the outfan of the first phaselocked loop; The first voltage controlled oscillator, is connected to the first low pass filter outfan, and its outfan is connected to the first amplifier, and the outfan of the first amplifier is connected to the control end of described the first switch driver;
The first diode, its anodic bonding is to transformator secondary winding first end, and its negative electrode is connected to described the second wave filter;
The second wave filter comprises the first inducer and the first capacitor, and the first inducer is connected to the negative electrode of described the first diode, and the common port of the first inducer and the first capacitor is connected to accumulator interface, and the other end of the first capacitor is connected to secondary earth potential;
Described accumulator interface is connected to the input of described the second wave filter, accumulator and the second power converter;
Described the second power converter comprises:
The second inducer, its one end is connected to described accumulator interface;
Second switch pipe and the 3rd switching tube, the source electrode of second switch pipe and the 3rd switching tube links together and is connected to the other end of the second inducer, the drain electrode of second switch pipe is connected to secondary earth potential, the drain electrode of the 3rd switching tube is connected to the second capacitor, and the other end of the second capacitor is connected to secondary earth potential;
Second switch driver, it is the UC3714 of Texas Instruments chip, and the clock signal based on control end input produces the switching drive signal of two-way complementation, and a road is coupled to described second switch tube grid, and another road is coupled to described the 3rd switching tube grid;
Second frequency circuit for generating, comprises the second phaselocked loop, and it is connected to crystal oscillator; The second low pass filter, is connected to the outfan of the second phaselocked loop; The second voltage controlled oscillator, is connected to the second low pass filter outfan, and its outfan exports the second amplifier to, and the outfan of the second amplifier is connected to the control end of described second switch driver.
2. portable charging drip stand as claimed in claim 1, is characterized in that, described the first wave filter is capacitor.
3. portable charging drip stand as claimed in claim 1, is characterized in that, described accumulator interface is pad, and pad connects the input of described the second wave filter, accumulator and the second power converter.
4. portable charging drip stand as claimed in claim 1, it is characterized in that, described second frequency circuit for generating also comprises doubler, the outfan of the second voltage controlled oscillator is leaded up to doubler circuit and is fed back to the second phaselocked loop, another road exports the second amplifier to, and the outfan of the second amplifier is connected to the control end of described second switch driver;
Described doubler circuit comprises 3 doubler, 6 doubler and 9 doubler that are connected in parallel, and described 3 doubler, 6 doubler and 9 doubler are connected to the second phaselocked loop by the first change-over switch, the second change-over switch and the 3rd change-over switch respectively;
Described the first change-over switch, the second change-over switch and the 3rd change-over switch are connected with the button on described pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297847.6U CN203943958U (en) | 2014-05-30 | 2014-05-30 | A kind of portable charging drip stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420297847.6U CN203943958U (en) | 2014-05-30 | 2014-05-30 | A kind of portable charging drip stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203943958U true CN203943958U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420297847.6U Expired - Fee Related CN203943958U (en) | 2014-05-30 | 2014-05-30 | A kind of portable charging drip stand |
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| Country | Link |
|---|---|
| CN (1) | CN203943958U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334227A (en) * | 2016-08-31 | 2017-01-18 | 宁波欧琳厨具有限公司 | Improved infusion support |
-
2014
- 2014-05-30 CN CN201420297847.6U patent/CN203943958U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106334227A (en) * | 2016-08-31 | 2017-01-18 | 宁波欧琳厨具有限公司 | Improved infusion support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 Termination date: 20160530 |