CN104687543B - A kind of medical personal protection clothes - Google Patents
A kind of medical personal protection clothes Download PDFInfo
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- CN104687543B CN104687543B CN201510146080.6A CN201510146080A CN104687543B CN 104687543 B CN104687543 B CN 104687543B CN 201510146080 A CN201510146080 A CN 201510146080A CN 104687543 B CN104687543 B CN 104687543B
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Abstract
The invention provides a kind of medical personal protection clothes, including: the helmet, headgear (1), robe (2) and face shield (3), electric fan and fan control circuitry；The described helmet is wrapped in headgear (1), described face shield (3) is attached at the opening part that headgear (1) front end is provided with, described electric fan is embedded in the top in the helmet, described fan control circuitry drives electric fan to rotate by battery, and controls the input voltage constant to electric fan by the voltage threshold set。This protective garment is utilized human body and external environment comprehensively to be isolated, and by its built-in electric fan and fan control circuitry, make human body after wearing, namely the temperature of protective garment environment can be reduced, reduce again electric fan and rotate produced sound pollution, thus improve the comfort level of wearing。
Description
Technical field
The present invention relates to medical protection equipment technical field, particularly relate to a kind of medical personal protection clothes。
Background technology
At present, medical protection at home mainly adopts the wearing mode of protective garment+glasses+mask to realize, but, what this mode existed major downside is that protection imprecision, especially for the disease strong in infectiousness, if the patients such as love hereby disease, hepatitis, rabies are when carrying out surgical operation, there is for doctor significantly high pathophoresis risk, can by the splashing of blood, body fluid, and the factor such as air cross infection carries out the propagation of virus bacterium；Now common mask can not play protective action completely。Further, since protective garment, glasses and mask all need to dress one by one, causing in use procedure and inconvenience, wearing comfort degree is low。
Summary of the invention
It is an object of the invention to, for solving the imprecise technical problem of protection that existing medical protection measure has, it is provided that a kind of medical personal protection takes。This protective garment is utilized human body and external environment comprehensively to be isolated, and by its built-in electric fan and fan control circuitry, make human body after wearing, namely the temperature of protective garment environment can be reduced, reduce again electric fan and rotate produced sound pollution, thus improve the comfort level of wearing。
For achieving the above object, the present invention provides a kind of medical personal protection to take, including: the helmet, headgear, robe, face shield, electric fan and fan control circuitry；The described helmet is wrapped in headgear, described face shield is attached at the opening part that headgear front end is provided with, described electric fan is embedded in the top in the helmet, and described fan control circuitry drives electric fan to rotate by battery, and controls the input voltage constant to electric fan by the voltage threshold set。
As the further improvement of technique scheme, described fan control circuitry includes: fan drive circuit, current feedback circuit, voltage comparator circuit and single-chip microcomputer；Described fan drive circuit by battery power rear drive electric fan rotate, described current feedback circuit is for gathering the electric current of fan drive circuit output, and by the voltage threshold of the voltage of this current feedback Yu setting is compared, if the voltage of this current feedback is more than the voltage threshold set, then output feedback signal is to single-chip microcomputer, otherwise not output feedback signal；Described single-chip microcomputer reduces the dutycycle of pulse width modulation according to the feedback signal received, until the voltage that the electric current of fan drive circuit output feeds back is lower than the voltage threshold set。
Further improvement as technique scheme, the charger charging by being provided with of the described battery, described charger includes: power supply, battery interface, voltage regulator circuit, A/D conversion chip, single-chip microcomputer, relay drive circuit, relay and charging control circuit；Described voltage regulator circuit carries out voltage-regulation for gathering after the voltage signal of the battery of battery interface access, generates the voltage signal being suitable to the input of A/D conversion chip；Described A/D conversion chip exports to single-chip microcomputer for converting the voltage signal of input to digital signal；Described single-chip microcomputer drives relay to perform power on/off operation by the Digital Signals relay drive circuit received；The two ends of described relay connect battery interface and charging control circuit respectively；Described charging control circuit is charged by the battery that is driven to of power supply。
Further improvement as technique scheme, described single-chip microcomputer is compared by the digital signal of the voltage threshold set and reception, if digital signal is lower than voltage threshold, then judge that battery is as voltage abnormal state, and control relay drive circuit driving relay power-off, if digital signal is higher than voltage threshold, then judge that battery is as electricity full state, and control relay drive circuit driving relay power-off, if digital signal is in the scope of voltage threshold, then judge that battery is as electricity underfill state, and control relay drive circuit driving relay power。
As the further improvement of technique scheme, described charger also includes electrical level transferring chip, and described electrical level transferring chip one end connects the DATA interface that battery interface is provided with, and its other end connects single-chip microcomputer；Described DATA interface is for gathering the voltage signal being loaded with battery data of battery output, described electrical level transferring chip is for inputting to single-chip microcomputer after described voltage signal is carried out level conversion, and battery is identified by described single-chip microcomputer according to the voltage signal received。
As the further improvement of technique scheme, the charger charging by being provided with of the described battery, described charger includes: power supply, battery interface, at least two charge control module and single-chip microcomputer；Each charge control module connects with a battery interface respectively, for gathering after the voltage signal of the battery of battery interface access, carries out judging to generate battery status data；Described single-chip microcomputer is for being respectively configured charging current percentage ratio according to the battery status data of each circuit, and sends charging current percent data to corresponding charge control module；Described charge control module is by the charging current percent data control power supply corresponding charging current of output to battery interface。
As the further improvement of technique scheme, described charge control module includes: signal processing module, program control potentiometer, charge controlling chip and MOSFET pipe；Described signal processing module is for gathering after the voltage signal of the battery of battery interface access, it is judged that generate battery status data；Described single-chip microcomputer controls program control potentiometer according to battery status data and configures the charging current of charge controlling chip, and described charge controlling chip controls the charging current of battery by controlling the conducting dutycycle of MOSFET pipe。
As the further improvement of technique scheme, described signal processing module judges that the battery status data generated is shown as: the non-access state of battery, battery access charged state, battery accesses full state and battery accesses malfunction。
As the further improvement of technique scheme, described charge control module quantity is two, and the process that described single-chip microcomputer is respectively configured charging current percentage ratio according to the battery status data of two circuit includes:
If the battery status data of two circuit is respectively indicated as battery and accesses charged state and the non-access state of battery, the charging current percentage ratio then arranging the circuit that battery accesses charged state is 95%～100%, the charging current percentage ratio arranging the circuit of the non-access state of battery is 5%～10%, if the battery status data of two circuit is illustrated as battery and accesses charged state, then the charging current percentage ratio arranging two circuit is 50%；Otherwise will be displayed as the non-access state of battery and battery to access the circuit of charged state to arrange charging current percentage ratio be 95%～100%, will be displayed as battery to access the circuit of full state to arrange charging current percentage ratio be 5%～10%, will be displayed as battery and access the circuit of malfunction to arrange charging current percentage ratio be 2%～5%。
The advantage of a kind of medical personal protection clothes of the present invention is in that:
This protective garment is utilized human body and external environment comprehensively to be isolated, and by its built-in electric fan and fan control circuitry, make human body after wearing, namely the temperature of protective garment environment can be reduced, reduce again electric fan and rotate produced sound pollution, thus improve the comfort level of wearing。Additionally, utilize the one of which charger control logic by single-chip microcomputer, can according to the number of batteries being concurrently accessed and needing charging, carry out reasonable distribution and do not have the charging current percentage ratio of road battery, charger is made to be capable of the purpose of multichannel charging, namely ensure that general power is less than realizing power sharing function while design load, and can when not affecting battery charge efficiency, charging current percentage ratio in the circuit (as battery is full of or malfunction) that reduction need not be charged, thus reducing power consumption and the cost of charger。And utilize another kind of charger solve existing for the equipment of existing battery charger, battery eliminator charge function when not accessing battery, the Issues on Static Electrification of battery port, utilize the detection of single-chip microcomputer and control the power on/off of relay, ensure that battery is not when accessing charger, charging port pin is not charged, improves the reliability of system；It is applicable to the charged medical treatment situation having strict control to battery interface。
Accompanying drawing explanation
Fig. 1 is the monnolithic case schematic diagram of the medical personal protection clothes in the embodiment of the present invention。
Fig. 2 is the helmet structure schematic diagram in the embodiment of the present invention。
Fig. 3 is the fan control circuitry structural representation in the embodiment of the present invention。
Fig. 4 is the electrical block diagram of a kind of charger in the embodiment of the present invention。
Fig. 5 is the flow chart utilizing the charger arrangement charging current value in Fig. 4。
Fig. 6 is the electrical block diagram of the another kind of charger in the embodiment of the present invention。
Fig. 7 is the flow chart utilizing the charger arrangement charging current value in Fig. 6。
Accompanying drawing labelling
1, headgear 2, robe 3, face shield
4, electric wire 5, ring holder 6, battery interface
7, electrical level transferring chip 8, charging control circuit 9, relay
10, voltage regulator circuit 11, A/D conversion chip 12, relay drive circuit
13, single-chip microcomputer 14, battery 15, program control potentiometer
16, charge controlling chip 17, MOSFET pipe 18, signal processing module
19, belt
Detailed description of the invention
Below in conjunction with drawings and Examples, the medical personal protection clothes of one of the present invention are described in detail。
As it is shown in figure 1, the medical personal protection clothes of the one of the present invention, including: the helmet (not shown), headgear 1, robe 2, face shield 3, electric fan (not shown) and fan control circuitry (not shown)；The described helmet is wrapped in headgear 1, described face shield 3 is attached at the opening part that headgear 1 front end is provided with, described electric fan is embedded in the top in the helmet, described fan control circuitry drives electric fan to rotate by battery, and controls the input voltage constant to electric fan by the voltage threshold set。By the rotation of electric fan so that human body is after wearing, it is possible to reduce the temperature of protective garment environment, thus improve the comfort level of wearing。
Based on the protective garment of said structure, as it is shown in figure 1, described protective garment also can be provided with belt 19, by belt 19 being wound in the waist place outside robe 2, with further by isolated to human body upper body and external environment。As shown in Figure 2, the described helmet can be provided with a ring holder 5 in the lower end, side being positioned at face, described ring holder 5 outwardly convex, the edge of its outer rim and headgear front opening seals mutually, so that the face shield being attached on headgear does not contact with human body face, thus further increasing the comfort level of wearing。Electric wire 4 that described fan control circuitry is arranged by helmet rear portion and cell communication。
The described helmet can adopt pvc material to make。Due to the shell of the helmet be difficult to take into account good toughness simultaneously, lightweight and facilitate the features such as processing, generally PS material is all adopted to make, advantage is in that to be easy to processing, lightweight, its shortcoming is not have toughness, easily turns white at stress place after being subject to External Force Acting, thus affecting attractive in appearance, and easily ftracture, by the helmet selecting PVC material to make, under equivalent weight, durable, and be greatly improved in performance。Above-mentioned protective garment can carry out classification storage by the storage cabinet of design corresponding size, uses to facilitate and meets health demand。
As it is shown on figure 3, described fan control circuitry comprises the steps that fan drive circuit, current feedback circuit, voltage comparator circuit and single-chip microcomputer；Described fan drive circuit by battery power rear drive electric fan rotate, described current feedback circuit is for gathering the electric current of fan drive circuit output, and by the voltage threshold of the voltage of this current feedback Yu setting is compared, if the voltage of this current feedback is more than the voltage threshold set, then output feedback signal is to single-chip microcomputer, otherwise not output feedback signal；Described single-chip microcomputer reduces the dutycycle of pulse width modulation according to the feedback signal received, until the voltage that the electric current of fan drive circuit output feeds back is lower than the voltage threshold set。Owing to the dynamic balancing of electric fan can produce bigger noise when instability, and when dynamic balancing instability, power also can increase therewith。Utilize current feedback circuit sampled drive current, and make itself and certain reference voltage compare, when the voltage of current feedback is more than reference voltage, single-chip microcomputer reduces the PWM dutycycle controlled after obtaining feedback signal, make to drive power to reduce, also the rotating speed of fan is just reduced, thus restrained effectively the noise that electric fan produces。
Additionally, the charger that described battery can pass through to be provided with is charged, as shown in Figure 4, this charger includes the structure of one of which charger: power supply, battery interface 6, voltage regulator circuit 10, A/D conversion chip 11, single-chip microcomputer 13, relay drive circuit 12, relay 9 and charging control circuit 8；Described voltage regulator circuit 10 carries out voltage-regulation for gathering after the voltage signal of the battery of battery interface 6 access, generates the voltage signal being suitable to A/D conversion chip 11 input；Described A/D conversion chip 11 exports to single-chip microcomputer 13 for converting the voltage signal of input to digital signal；Described single-chip microcomputer 13 drives relay 9 to perform power on/off operation by the Digital Signals relay drive circuit 12 received；The two ends of described relay 9 connect battery interface 6 and charging control circuit 8 respectively；Described charging control circuit 8 is charged by the battery that is driven to of power supply。
As shown in Figure 4, for lithium battery, utilizing above-mentioned charger when being charged work, the V+ voltage of battery 14 is converted to the normal input voltage of A/D conversion chip 11 through voltage regulator circuit 10, then is carried out digital collection by single-chip microcomputer 13。By the voltage of port, single-chip microcomputer 13 determines whether that battery connects, if there being battery to access, then control relay drive circuit 12 and open relay 9, connection battery interface 6 and charging control circuit 8, it is achieved the charging of battery 14。If battery 14 is full of, close relay 9, cut off the connection of battery interface 6 and charging control circuit 8。The voltage of battery V+ and the charging status signal judgement of charging control circuit 8 output is received by battery interface 6, if detecting, battery disconnects, and closes relay 9, cut off the connection of charging control circuit 8 and battery interface 6, it is ensured that when not having the state of battery, battery interface 6 does not have voltage to export。
Based on the charger of said structure, in the present embodiment, described charger includes electrical level transferring chip 7, and described electrical level transferring chip 7 one end connects the DATA interface that battery interface 6 is provided with, and its other end connects single-chip microcomputer 13；The signal of described battery interface 6 includes: GND/V+/DATA, described DATA interface is for gathering the voltage signal being loaded with battery data of battery output, described electrical level transferring chip 7 is for inputting to single-chip microcomputer 13 after described voltage signal is carried out level conversion, and battery is identified by described single-chip microcomputer 13 according to the voltage signal received。Described battery data mainly includes the information such as battery serial number, manufacturer, and electrical level transferring chip mainly realizes the interface protection function of single-chip microcomputer, can by the 3.3VTTL level that 5V level conversion is single-chip microcomputer of battery。
The DATA signal of battery carries out communication by electrical level transferring chip 7 and single-chip microcomputer 13, single-chip microcomputer 13 is after V+ signal battery interface 6 being detected is normal, communication can be carried out by DATA signal and battery, identify whether battery meets charge condition, if battery is effective, then control relay drive circuit 12 and open relay 9, connect charging control circuit 8 and battery 14, battery is charged。
If it addition, the required precision for cell voltage is not high, A/D conversion chip 11 can adopt the internal A/D being provided with of single-chip microcomputer 13 to carry out data process；Relay 9 can also replace with MOSFET pipe, as the control device of link between charging control circuit and battery。
Based on the charger of said structure, the concrete control flow of single-chip microcomputer as shown in Figure 5:
First, utilize single-chip microcomputer collection digital signal after A/D conversion chip processes, compared by the digital signal of the voltage threshold set and reception, if digital signal is lower than voltage threshold, then judge that the voltage of battery is abnormal, (single lithium battery being can set that voltage threshold is 2.5V～4.2V scope, the situation of 2 joints or multi-section serial can linearly improve this detection voltage threshold), then control relay drive circuit and close relay, make battery interface not charged；
Otherwise, whether detection battery is full of, if digital signal is higher than voltage threshold, then judges that battery is as electricity full state, then control relay drive circuit and close relay, it is prevented that battery repeatedly charges repeatedly, reduce battery life；
Otherwise, if digital signal is in the scope of voltage threshold, then judge that battery is as electricity underfill state, now single-chip microcomputer is by One Wire PORT COM DATA and battery communication, judge that whether battery is effective, if invalid, then control relay drive circuit and close relay；This function is used for preventing charging port from inserting abnormal charging equipment or other size battery, and causes charge fault。
If it is determined that battery is effective, then control relay drive circuit and open relay, connect charging control circuit and battery interface, start to charge the battery, and postpone the 2 second time (this time can according to practical situation adjustment), for detecting the charging status signal received from charging control circuit, if charging status signal display charging is abnormal, then control relay drive circuit and close relay, stop charging the battery；Otherwise, continue executing with battery charging operation, and carry out the detection of subsequent cycle。
As shown in Figure 6, this charger includes the structure of another kind of charger: power supply, battery interface 6, at least two charge control module and a single-chip microcomputer 13。Each charge control module connects with a battery interface 6 respectively, and battery 14 accesses charge control module by battery interface 6, for gathering after the voltage signal of the battery 14 of battery interface 6 access, carries out judging to generate battery status data；Described single-chip microcomputer 13 is for being respectively configured charging current percentage ratio according to the battery status data of each circuit, and sends charging current percent data to corresponding charge control module；Described charge control module is by the charging current percent data control power supply corresponding charging current of output to battery interface 6。
Based on the charger of said structure, as shown in Figure 6, in the present embodiment, described charge control module includes: signal processing module 18, program control potentiometer 15, charge controlling chip 16 and MOSFET pipe 17；Described signal processing module 18 is for gathering after the voltage signal of the battery 14 of battery interface 6 access, and judges to generate whether battery status data is that normal battery accesses；Described single-chip microcomputer 13 controls program control potentiometer 15 according to battery status data and configures the charging current of charge controlling chip 16, and charge controlling chip 16 controls the charging current of battery by controlling the conducting dutycycle of MOSFET pipe 17。The composition of the charge control module in each road is identical。
It addition, described signal processing module judges that the battery status data generated can be shown as: the non-access state of battery, battery access charged state, battery accesses full state and battery accesses malfunction。As shown in Figure 6, described charge control module quantity is two, and the process that described single-chip microcomputer 13 is respectively configured charging current percentage ratio according to the battery status data of two circuit includes:
If the battery status data of two circuit is respectively indicated as battery and accesses charged state and the non-access state of battery, the charging current percentage ratio then arranging the circuit that battery accesses charged state is 95%～100%, the charging current percentage ratio arranging the circuit of the non-access state of battery is 5%～10%, if the battery status data of two circuit is illustrated as battery and accesses charged state, then the charging current percentage ratio arranging two circuit is 50%；Otherwise will be displayed as the non-access state of battery and battery to access the circuit of charged state to arrange charging current percentage ratio be 95%～100%, will be displayed as battery to access the circuit of full state to arrange charging current percentage ratio be 5%～10%, will be displayed as battery and access the circuit of malfunction to arrange charging current percentage ratio be 2%～5%。Utilize the charger of said structure for lithium cell charging, the concrete control flow of battery status data configuration charging current percentage ratio of generation is judged as shown in Figure 7 by signal processing module, single-chip microcomputer is in real time by the state of signal processing module monitoring two-way battery, and the charging current percentage ratio of two charge control module is adjusted in real time according to the state of two-way battery, its idiographic flow is as follows:
First, utilize the voltage signal of the battery that signal processing module collection accesses from battery interface, judge whether battery accesses, whether battery is in normal charging condition successively and battery whether full state；Then, by the status data of single-chip microcomputer real-time sampling two-way battery record, distribute charging current according to battery status:
Access if the battery interface of two-way is all displayed without battery, then the charging current arranging each road is 100%, to wait that battery accesses；
If wherein the battery interface on a road shows and has accessed battery, and show that battery accesses charged state, the battery interface on another road is displayed without battery and accesses, then the charging current accessing the circuit of battery is set to 100%, the charging current not accessing the circuit of battery is set to 10%, and after being used for preventing another road battery from accessing, total current is excessive；
If wherein the battery interface on a road shows and has accessed battery, and show that battery accesses full state, the battery interface display battery on another road does not access, then the charging current accessing road is set to 10%, and the charging current of the circuit not accessing battery is set to 100%；
If the battery interface of two-way all shows battery access state, and all shows that battery accesses charged state, then the charging current of two-way is disposed as 50%；
If the battery interface of two-way all shows battery access state, wherein a road or two-way display battery access full state, then the charging current of the circuit that will be filled with is set to 10%；
If the battery interface of two-way there being display battery access malfunction, then its charging current is set to 2%。
Utilize above-mentioned control logic, it is possible to ensure in 120% atmosphere when single channel is charged of the charging current when two-way battery charges simultaneously, thus effectively reducing the consumption of general power。
It should be noted last that, above example is only in order to illustrate technical scheme and unrestricted。Although the present invention being described in detail with reference to embodiment, it will be understood by those within the art that, technical scheme being modified or equivalent replacement, without departure from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of scope of the presently claimed invention。
Claims (8)
1. medical personal protection clothes, including: the helmet, headgear (1), robe (2) and face shield (3)；The described helmet is wrapped in headgear (1), and described face shield (3) is attached at the opening part that headgear (1) front end is provided with, it is characterised in that also include electric fan and fan control circuitry；Described electric fan is embedded in the top in the helmet, and described fan control circuitry drives electric fan to rotate by battery, and controls the input voltage constant to electric fan by the voltage threshold set；
Described fan control circuitry includes: fan drive circuit, current feedback circuit, voltage comparator circuit and single-chip microcomputer；Described fan drive circuit by battery power rear drive electric fan rotate, described current feedback circuit is for gathering the electric current of fan drive circuit output, and by the voltage threshold of the voltage of this current feedback Yu setting is compared, if the voltage of this current feedback is more than the voltage threshold set, then output feedback signal is to single-chip microcomputer, otherwise not output feedback signal；Described single-chip microcomputer reduces the dutycycle of pulse width modulation according to the feedback signal received, until the voltage that the electric current of fan drive circuit output feeds back is lower than the voltage threshold set。
2. medical personal protection according to claim 1 clothes, it is characterized in that, the charger charging by being provided with of the described battery, described charger includes: power supply, battery interface (6), voltage regulator circuit (10), A/D conversion chip (11), single-chip microcomputer (13), relay drive circuit (12), relay (9) and charging control circuit (8)；Carry out voltage-regulation after the voltage signal of the battery that described voltage regulator circuit (10) accesses from battery interface (6) for collection, generate and be suitable to the voltage signal that A/D conversion chip (11) inputs；Described A/D conversion chip (11) exports to single-chip microcomputer (13) for converting the voltage signal of input to digital signal；Described single-chip microcomputer (13) drives relay (9) to perform power on/off operation by the Digital Signals relay drive circuit (12) received；The two ends of described relay (9) connect battery interface (6) and charging control circuit (8) respectively；Described charging control circuit (8) is charged by the battery that is driven to of power supply。
3. medical personal protection according to claim 2 clothes, it is characterized in that, described single-chip microcomputer (13) is compared by the digital signal of the voltage threshold set and reception, if digital signal is lower than voltage threshold, then judge that battery is as voltage abnormal state, and control relay drive circuit (12) driving relay (9) power-off, if digital signal is higher than voltage threshold, then judge that battery is as electricity full state, and control relay drive circuit (12) driving relay (9) power-off, if digital signal is in the scope of voltage threshold, then judge that battery is as electricity underfill state, and control relay drive circuit (12) driving relay (9) energising。
4. medical personal protection according to claim 3 clothes, it is characterized in that, described charger also includes electrical level transferring chip (7), described electrical level transferring chip (7) one end connects the DATA interface that battery interface (6) is provided with, and its other end connects single-chip microcomputer (13)；Described DATA interface is for gathering the voltage signal being loaded with battery data of battery output, described electrical level transferring chip (7) is for inputting after described voltage signal is carried out level conversion to single-chip microcomputer (13), and battery is identified by described single-chip microcomputer (13) according to the voltage signal received。
5. medical personal protection according to claim 1 clothes, it is characterized in that, the charger charging by being provided with of the described battery, described charger includes: power supply, battery interface (6), at least two charge control module and single-chip microcomputer (13)；Each charge control module connects with a battery interface (6) respectively, after being used for the voltage signal of the battery (14) that collection accesses from battery interface (6), carries out judging to generate battery status data；Described single-chip microcomputer (13) is for being respectively configured charging current percentage ratio according to the battery status data of each circuit, and sends charging current percent data to corresponding charge control module；Described charge control module is by the charging current percent data control power supply corresponding charging current of output to battery interface (6)。
6. medical personal protection according to claim 5 clothes, it is characterized in that, described charge control module includes: signal processing module (18), program control potentiometer (15), charge controlling chip (16) and MOSFET pipe (17)；After the voltage signal of the battery that described signal processing module (18) accesses from battery interface (6) for collection, it is judged that generate battery status data；Described single-chip microcomputer (13) controls program control potentiometer (15) according to battery status data and configures the charging current of charge controlling chip (16), and described charge controlling chip (16) controls the charging current of battery by controlling the conducting dutycycle of MOSFET pipe (17)。
7. medical personal protection according to claim 6 clothes, it is characterized in that, described signal processing module (18) judges that the battery status data generated is shown as: the non-access state of battery, battery access charged state, battery accesses full state and battery accesses malfunction。
8. medical personal protection according to claim 7 clothes, it is characterised in that described charge control module quantity is two, and the process that described single-chip microcomputer (13) is respectively configured charging current percentage ratio according to the battery status data of two circuit includes:
If the battery status data of two circuit is respectively indicated as battery and accesses charged state and the non-access state of battery, the charging current percentage ratio then arranging the circuit that battery accesses charged state is 95%～100%, the charging current percentage ratio arranging the circuit of the non-access state of battery is 5%～10%, if the battery status data of two circuit is illustrated as battery and accesses charged state, then the charging current percentage ratio arranging two circuit is 50%；Otherwise will be displayed as the non-access state of battery and battery to access the circuit of charged state to arrange charging current percentage ratio be 95%～100%, will be displayed as battery to access the circuit of full state to arrange charging current percentage ratio be 5%～10%, will be displayed as battery and access the circuit of malfunction to arrange charging current percentage ratio be 2%～5%。
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| CN114779682A (en) * | 2022-03-31 | 2022-07-22 | 河南驼人医疗器械研究院有限公司 | Control system and control method for medical positive pressure protection device |
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| CN204519431U (en) * | 2015-03-30 | 2015-08-05 | 北京中科盛康科技有限公司 | A kind of medical personal protection clothes |
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| DE60133811T2 (en) * | 2000-01-18 | 2009-06-25 | Stryker Corp., Kalamazoo | AIR FILTER SYSTEM WITH A HELMET OF AT LEAST TWO AIR OUTPUTS FOR DISTRIBUTING THE AIR TO THE HEAD OF THE USER |
| EP1907071B1 (en) * | 2005-07-14 | 2012-06-27 | Stryker Corporation | Medical/surgical personal protection system providing ventilation, illumination and communication |
| CN201911337U (en) * | 2010-12-14 | 2011-08-03 | 祝桂涛 | Totally enclosed type operating gown for preventing infection of incision of patient |
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| CN204519431U (en) * | 2015-03-30 | 2015-08-05 | 北京中科盛康科技有限公司 | A kind of medical personal protection clothes |
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Denomination of invention: A kind of medical personal protective clothing Effective date of registration: 20201127 Granted publication date: 20160622 Pledgee: Haidian Beijing science and technology enterprise financing Company limited by guarantee Pledgor: BEIJING ZKSK TECHNOLOGY Co.,Ltd. Registration number: Y2020990001385 |