CN210043601U - Air-blowing and ventilating blanket for special patient - Google Patents
Air-blowing and ventilating blanket for special patient Download PDFInfo
- Publication number
- CN210043601U CN210043601U CN201920851977.2U CN201920851977U CN210043601U CN 210043601 U CN210043601 U CN 210043601U CN 201920851977 U CN201920851977 U CN 201920851977U CN 210043601 U CN210043601 U CN 210043601U
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- blanket
- patient
- blanket body
- air
- turbo blower
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Abstract
The utility model provides a mattress capable of blowing air for special patients, wherein the upper surface of the mattress body is provided with a plurality of criss-cross ventilation grooves, the inside is also embedded with a ventilation pipe network, and the surface of the mattress body is provided with a plurality of sensors at the positions corresponding to back pillows when the patients lie on the back; the outside of the blanket body is provided with a turbo blower, the turbo blower is connected with an air supply main pipe on the blanket body through a heat insulation air duct and a heat-resistant hose, and the middle part of the heat insulation air duct is also inserted with a PTC corrugated heating sheet. When the sensor on the surface of the blanket body senses the back of a patient is wet, cool air can be blown to the trunk of the back of the patient from the ventilation pipe network through the external turbo blower, and when the temperature of the skin on the back of the patient is sensed to be lower through the sensor on the surface of the blanket, warm air can be blown to the trunk of the back of the patient from the ventilation pipe network through the external turbo blower and the PTC corrugated heating sheet, so that the problems that the skin is wet due to the fact that the patient generates heat and sweats, and the body is cold due to poor circulation of the periphery.
Description
Technical Field
The utility model relates to a medical auxiliary blanket, in particular to a breathable blanket capable of blowing for special patients, belonging to the technical field of medical auxiliary appliances.
Background
When a patient is bedridden for a long time, the patient often has the phenomenon of fever or coldness, such as the special patients with long-term bed rest, language dysfunction, critical illness, peripheral circulation dysfunction and the like. When a patient is heated, the back of the patient can sweat and be wet, the patient needs to turn over in time to wipe sweat, and when the patient is serious, the patient needs to be physically cooled by paving a medical ice blanket. When a patient is cold, a quilt or a hot water bag is needed to keep warm. The body temperature and humidity of the special patients cannot be sensed due to inconvenience of the bodies, the body surface temperature and humidity and the peripheral circulation of the patients can be sensed only by measuring the body temperature regularly or touching the body temperature and humidity with hands of medical staff, the patients can turn over and check the body once every 2 hours generally in clinical practical nursing work, and real-time attention and treatment cannot be achieved. In order to conveniently inspect and care patients, the patients generally wear the patient clothes reversely when the patients lie in bed, the back of the patients is exposed, the skin of the back of the patients can directly rest on a bed sheet, if the patients continuously generate heat and sweat, the back is wet and cannot be sensed and treated in time, the sacral tail and the back pressed part are wet easily caused, and then skin problems such as pressure sores, eczema and the like are caused; for patients with peripheral circulatory dysfunction, if the body becomes cold and cannot be treated in time, the condition of the patient will be aggravated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be for this kind of special patient to blow ventilative blanket, its temperature and the humidity condition that can the auto-induction patient body surface to according to patient's actual temperature and humidity condition automatically regulated patient pressurized position's gas permeability and temperature, in order to alleviate patient generate heat sweat and lead to the problem that skin is moist and patient's tip poor circulation leads to the cold problem of health.
The utility model discloses the technical scheme who adopts as follows:
a blanket capable of blowing air for special patients to ventilate comprises a blanket body, wherein a plurality of criss-cross ventilation grooves are formed in the upper surface of the blanket body, the surface of the blanket body is divided into a plurality of small blocks by the ventilation grooves, and horn-shaped depressions are formed in the surfaces around the intersection points of the ventilation grooves; a ventilation pipe network is further embedded in the blanket body, the ventilation pipe network is provided with a main air supply pipe and a plurality of branch air supply pipes, the inlet of the main air supply pipe extends outwards from the side face of the blanket body, each branch air supply pipe is connected to the main air supply pipe, each branch air supply pipe is further provided with a plurality of vertical upwards air outlet nozzles, and the upper ends of the air outlet nozzles are respectively exposed outwards from the intersection points of the ventilation grooves on the surface of the blanket body; the surface of the blanket body is also provided with a film pressure sensor, a film temperature sensor and a humidity sensor in an embedded fit manner at a position corresponding to the back pillow of a patient lying on the back, and the sensing surface of each sensor is exposed outwards; the blanket is characterized in that a turbo blower is arranged outside a blanket body, an air outlet of the turbo blower is connected with a heat insulation air channel, an outlet of the heat insulation air channel is connected with an inlet of an air supply main pipe on the blanket body through a heat-resistant hose, and a PTC corrugated heating sheet which occupies the cross section of the whole air channel is inserted into one side of the middle part of the heat insulation air channel; the blanket is characterized in that the corresponding control circuit is also arranged outside the blanket body, the film pressure sensor, the film temperature sensor and the humidity sensor on the blanket body are respectively provided with a circuit to be connected with the input end of the control circuit, the output end of the control circuit is provided with a circuit to be connected with the turbo blower and the PTC corrugated heating sheet, and the control circuit controls the start and stop of the turbo blower and the PTC corrugated heating sheet.
Preferably, the cushion core of the cushion body is formed by bonding an upper layer of cushion core and a lower layer of cushion core, the cushion core at the lower layer adopts a coconut fiber cushion core, the cushion core at the upper layer adopts a sponge or a latex cushion core, the surface of the cushion body is a cloth fabric layer wrapped by the joint, and the ventilation pipe network is buried in the cushion core at the lower layer so as to prevent the ventilation pipe network from being deformed under pressure.
Preferably, the turbo blower adopts 14040 series small direct-current silent blower, and the PTC corrugated heating sheets adopt 300-400W PTC corrugated heating sheets so as to meet the functions of silent blowing and blowing heating.
The working principle of the blanket is as follows: when a patient wears the patient clothes reversely and lies on the back with the naked back on the mattress body, the skin on the back of the patient directly presses the film pressure sensor, the film temperature sensor and the humidity sensor on the upper surface of the mattress body, after the film pressure sensor detects the pressing, the film temperature sensor and the humidity sensor start to work, when the humidity sensor senses that the relative humidity on the back of the patient is larger, the patient generates heat and perspires, at the moment, an external control circuit can control the turbo blower to start, the blowing air of the turbo blower is sent into a ventilation pipe network of the mattress body through the heat insulation air duct and the heat-resistant hose, then the back of the patient is blown by a plurality of air outlet nozzles, due to the blocking of the trunk of the patient, the outlet air of the air outlet nozzles can also diffuse from the horn-shaped depressions on the upper surface of the mattress body to the ventilation grooves on the periphery, thereby, the problem that the skin of the patient is wet due to continuous sweating is solved. When the film temperature sensor senses that the skin temperature of the back of the patient is low, it is indicated that the body of the patient is cooled due to poor peripheral circulation, and at the moment, the external control circuit can control the turbo blower and the PTC corrugated heating sheet to be started simultaneously, and warm air is used for blowing the back of the patient, so that the problem that the patient is cooled is solved.
The utility model discloses a fill up the blanket through set up vertically and horizontally staggered's ventilation groove on the surface of filling up the blanket body, and at inside setting of pad blanket body and ventilation groove assorted ventilation pipe network, when the sensor on pad blanket body surface senses patient back moist, the outside turbo-blower of accessible blows the cool wind from ventilation pipe network to patient back truck, when the sensor on pad blanket surface senses patient back skin temperature when on the low side, the outside turbo-blower of accessible and PTC ripple heating plate blow the warm wind from ventilation pipe network to patient back truck, thereby alleviate patient and generate heat sweat and lead to the problem that skin is moist and patient's tip poor circulation to lead to the health to send out cold problem. Because the ventilation groove design benefit of this blanket body, when the tuber pipe mouth of ventilation pipe net blows, what the patient's truck blockked can be from the ventilation groove to spread all around to form good and ventilative effect of blowing, consequently when blowing cold wind and cooling or blowing warm wind and heating for patient, patient all can feel comfortable doubly.
Drawings
Fig. 1 is a schematic structural view of a blanket body part of the blanket of the present invention.
Fig. 2 is a schematic view of the structure of a ventilation pipe network.
Fig. 3 is a schematic view showing the assembly of the turbo blower, the heat insulation duct, the PTC corrugated heating sheets, and the heat-resistant hose.
Fig. 4 is an exploded view of the component of fig. 3.
Fig. 5 is a schematic circuit diagram of the mat blanket of the present invention.
Fig. 6 is a specific circuit scheme of the control circuit.
In the figure: 1-blanket body, 1.1-ventilation groove, 1.2-horn-shaped recess, 2-ventilation pipe network, 2.1-air supply main pipe, 2.2-air supply branch pipe, 2.3-air outlet pipe nozzle, 3-film pressure sensor, 4-film temperature sensor, 5-humidity sensor, 6-turbo blower, 7-heat insulation air channel, 8-heat-resistant hose, 9-PTC corrugated heating sheet and 10-control circuit.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-5, the carpet includes a carpet body 1, a plurality of criss-cross ventilation slots 1.1 are formed on the upper surface of the carpet body 1, the surface of the carpet body 1 is divided into a plurality of small blocks by the ventilation slots 1.1, and horn-shaped recesses 1.2 are formed on the surface around the intersection of the ventilation slots 1.1; a ventilation pipe network 2 is further embedded in the carpet padding body 1, the ventilation pipe network 2 is provided with a main air supply pipe 2.1 and a plurality of branch air supply pipes 2.2, the inlet of the main air supply pipe 2.1 extends outwards from the side surface of the carpet padding body 1, each branch air supply pipe 2.2 is connected to the main air supply pipe 2.1, each branch air supply pipe 2.2 is further provided with a plurality of vertical upwards air outlet nozzles 2.3, and the upper ends of the air outlet nozzles 2.3 are respectively exposed outwards from the intersection points of the ventilation grooves 1.1 on the surface of the carpet padding body 1; the surface of the blanket body 1 is also provided with a film pressure sensor 3, a film temperature sensor 4 and a humidity sensor 5 in an embedded fit manner at a position corresponding to a back pillow of a patient lying on the back, and the sensing surfaces of the sensors 3, 4 and 5 are exposed outwards; the blanket is characterized in that a turbo blower 6 is arranged outside a blanket body 1, an air outlet of the turbo blower 6 is connected with a heat insulation air channel 7, an outlet of the heat insulation air channel 7 is connected with an inlet of an air supply main pipe 2.1 on the blanket body 1 through a heat-resistant hose 8, and a PTC corrugated heating sheet 9 which occupies the cross section of the whole air channel is inserted into one side of the middle part of the heat insulation air channel 7; the blanket is characterized in that a corresponding control circuit 10 is further arranged outside the blanket body 1, the film pressure sensor 3, the film temperature sensor 4 and the humidity sensor 5 on the blanket body 1 are respectively provided with a circuit to be connected with the input end of the control circuit 10, the output end of the control circuit 10 is provided with a circuit to be connected with the turbo blower 6 and the PTC corrugated heating sheet 9, and the control circuit 10 controls the start and stop of the turbo blower 6 and the PTC corrugated heating sheet 9.
Furthermore, in order to enable the patient to be detected and blown when the patient turns over to lie on the left side and the right side, a group of combinations of the film pressure sensor 3, the film temperature sensor 4 and the humidity sensor 5 are respectively installed on the surface of the blanket body 1 at positions corresponding to the back side pillows of the patient when the patient lies on the left side and the right side, and the film pressure sensor 3, the film temperature sensor 4 and the humidity sensor 5 are respectively provided with a circuit to be connected with the input end of the control circuit 10. During the use, medical personnel should guide patient to wear patient's clothes and lie on the naked back in the correct position of blanket body 1 for: when a patient lies on the back, the film pressure sensor 3 in the middle is pressed, the group of sensors in the middle works, and the other groups of sensors do not work; when the patient turns over and lies on the left side, the film pressure sensor 3 on the left side is pressed, the group of sensors on the left side works, and the other groups of sensors do not work; when the patient turns over and lies on the right side, the film pressure sensor 3 on the right side is pressed, the group of sensors on the right side works, and the other groups of sensors do not work.
The control circuit 10 of the carpet has simple logic control relation with the film pressure sensor 3, the film temperature sensor 4, the humidity sensor 5 on the carpet body 1, the external turbo blower 6 and the PTC corrugated heating sheet 9, and can be realized by adopting various circuit schemes. The sensor acquisition module finished product and the single chip microcomputer which are sold in the market are combined for construction, the adjustment is simple, and the operability is good. Of course, simple discrete electrical components may be used for construction. The controller circuit shown in fig. 6 is one of the simpler basic circuit solutions.
As shown in FIG. 6, in the circuit, a strip-shaped film resistance strain gauge RF is adopted as the film pressure sensor 3, a film thermistor RT is adopted as the film temperature sensor 4, a sheet-type humidity sensitive resistor RS is adopted as the humidity sensor 5, a 220V/350W PTC heater is adopted as the PTC corrugated heating sheet 9, and a 12V BU14040H blower M is adopted as the turbo blower 6.
The specific circuit is as follows: the 220V alternating current is connected to two ends of the heater PTC through a normally open contact K1-1 of a relay K1; the 220V alternating current is also converted into a +12V direct current power supply through a power adapter for supplying power; the +12V power supply is sequentially connected with a normally open contact K2-1 of the relay K2 and the blower M in series and then is grounded; the +12V power supply is connected with one end of the resistance strain gauge RF, the other end of the resistance strain gauge RF is connected with the base electrode of the triode Q1 and one end of the resistor R1, and the other end of the resistor R1 is grounded; the +12V power supply is connected with a collector of the triode Q1, an emitter of the triode Q1 is connected with one end of the adjustable resistor RP3 and one end of the humidity sensitive resistor RS, the other end of the adjustable resistor RP3 and the adjusting end are connected with one end of the thermistor RT and a pin 3 of the LM358 operational amplifier, and the other end of the thermistor RT is grounded; the other end of the humidity-sensitive resistor RS is connected with one end of a resistor R2 and a pin 5 of the LM358 operational amplifier, and the other end of the resistor R2 is grounded; the +12V power supply is connected with one ends of the adjustable resistors RP1 and RP2, the other ends of the adjustable resistors RP1 and RP2 are grounded, and the adjusting ends of the adjustable resistors RP1 and RP2 are respectively connected with a pin 6 and a pin 2 of the LM358 operational amplifier; the 8 pins of the LM358 operational amplifier are connected with a +12V power supply, the 4 pins are grounded, the 1 pin is connected with a resistor R3 in series and then connected with the base electrode of a triode Q2, and the 7 pin is connected with a resistor R4 in series and then connected with the base electrode of a triode Q3; the collector of the triode Q2 is connected with the anode of the diode D1 and one end of the coil of the relay K1, the cathode of the diode D1 and the other end of the coil of the relay K1 are connected with a +12V power supply, and the emitter of the triode Q2 is grounded; the collector of the triode Q3 is connected with the anode of the diode D2 and one end of the coil of the relay K2, the cathode of the diode D2 and the other end of the coil of the relay K2 are connected with a +12V power supply, and the emitter of the triode Q3 is grounded; the anode of the diode D2 is also connected with one end of a normally open contact K1-2 of the relay K1, and the other end of a normally open contact K1-2 of the relay K1 is grounded.
When the circuit works, when the resistance value is suddenly reduced after the resistance strain gauge RF senses the pressure of a patient, the triode Q1 is conducted, and the thermistor RT and the humidity sensitive resistor RS are electrified to work; when the humidity sensitive resistor RS senses that the relative humidity on the body surface of a patient reaches a certain value, the resistance value of the humidity sensitive resistor RS is sharply reduced, so that the pin 7 of the operational amplifier LM358 outputs a high level, the triode Q3 is conducted, the relay K2 is electrified and sucked, the blower M is started, and cool air is blown to the patient; when the thermistor RT senses that the body surface temperature of a patient is low to a certain value, the resistance value of the thermistor RT is increased to a certain value, so that the pin 1 of the operational amplifier LM358 outputs a high level, the triode Q2 is conducted, the relay K1 is electrified and attracted, the heater PTC is electrified and generates heat, after the relay K1 is attracted, the normally open contact K1-2 is closed, the relay K2 is also electrified and attracted, and the blower M is also started at the same time, so that warm air can be blown to the patient.
The above-mentioned drawings are only exemplary embodiments of the present invention and are not intended to limit the present invention, and any modifications or equivalent substitutions and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (4)
1. A mattress blanket capable of blowing air and ventilating for special patients is characterized in that: the blanket comprises a blanket body, wherein a plurality of criss-cross ventilation grooves are formed in the upper surface of the blanket body, the surface of the blanket body is divided into a plurality of small blocks by the ventilation grooves, and horn-shaped depressions are formed in the surfaces around the intersection points of the ventilation grooves; a ventilation pipe network is further embedded in the blanket body, the ventilation pipe network is provided with a main air supply pipe and a plurality of branch air supply pipes, the inlet of the main air supply pipe extends outwards from the side face of the blanket body, each branch air supply pipe is connected to the main air supply pipe, each branch air supply pipe is further provided with a plurality of vertical upwards air outlet nozzles, and the upper ends of the air outlet nozzles are respectively exposed outwards from the intersection points of the ventilation grooves on the surface of the blanket body; the surface of the blanket body is also provided with a film pressure sensor, a film temperature sensor and a humidity sensor in an embedded fit manner at a position corresponding to the back pillow of a patient lying on the back, and the sensing surface of each sensor is exposed outwards; the blanket is characterized in that a turbo blower is arranged outside a blanket body, an air outlet of the turbo blower is connected with a heat insulation air channel, an outlet of the heat insulation air channel is connected with an inlet of an air supply main pipe on the blanket body through a heat-resistant hose, and a PTC corrugated heating sheet which occupies the cross section of the whole air channel is inserted into one side of the middle part of the heat insulation air channel; the blanket is characterized in that the corresponding control circuit is also arranged outside the blanket body, the film pressure sensor, the film temperature sensor and the humidity sensor on the blanket body are respectively provided with a circuit to be connected with the input end of the control circuit, the output end of the control circuit is provided with a circuit to be connected with the turbo blower and the PTC corrugated heating sheet, and the control circuit controls the start and stop of the turbo blower and the PTC corrugated heating sheet.
2. The air permeable rug for special patients as claimed in claim 1, wherein: the cushion core of the cushion body is formed by bonding an upper layer of cushion core and a lower layer of cushion core, the lower layer of cushion core adopts a coconut fiber cushion core, the upper layer of cushion core adopts a sponge or a latex cushion core, the surface of the cushion body is a cloth fabric layer wrapped by the attaching layer, and the ventilation pipe network is buried in the lower layer of cushion core.
3. The air permeable rug for special patients as claimed in claim 1, wherein: the turbo blower adopts 14040 series small direct-current mute blower, and the PTC corrugated heating sheets adopt 300-400W PTC corrugated heating sheets.
4. The air permeable rug for special patients as claimed in claim 1, wherein: the position of the back side pillow corresponding to the left side and the right side of the patient on the surface of the blanket body is also respectively provided with a group of combination of a film pressure sensor, a film temperature sensor and a humidity sensor, and the film pressure sensor, the film temperature sensor and the humidity sensor are all provided with circuits to be connected with the input end of the control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851977.2U CN210043601U (en) | 2019-06-06 | 2019-06-06 | Air-blowing and ventilating blanket for special patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920851977.2U CN210043601U (en) | 2019-06-06 | 2019-06-06 | Air-blowing and ventilating blanket for special patient |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210043601U true CN210043601U (en) | 2020-02-11 |
Family
ID=69397226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920851977.2U Expired - Fee Related CN210043601U (en) | 2019-06-06 | 2019-06-06 | Air-blowing and ventilating blanket for special patient |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210043601U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870453A (en) * | 2020-08-12 | 2020-11-03 | 昆明医科大学第一附属医院 | Severe patient prevents pressure damage device |
| CN113491630A (en) * | 2021-05-18 | 2021-10-12 | 杨佩琳 | Multifunctional medical fumigation seat control circuit |
| KR102625437B1 (en) * | 2023-04-19 | 2024-01-15 | 정동훈 | Functional duvet |
-
2019
- 2019-06-06 CN CN201920851977.2U patent/CN210043601U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111870453A (en) * | 2020-08-12 | 2020-11-03 | 昆明医科大学第一附属医院 | Severe patient prevents pressure damage device |
| CN113491630A (en) * | 2021-05-18 | 2021-10-12 | 杨佩琳 | Multifunctional medical fumigation seat control circuit |
| KR102625437B1 (en) * | 2023-04-19 | 2024-01-15 | 정동훈 | Functional duvet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20210606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |