CN216253274U

CN216253274U - Heating blanket

Info

Publication number: CN216253274U
Application number: CN202122615189.3U
Authority: CN
Inventors: 朱四美; 周震
Original assignee: Suzhou Leanstar Electronic Technology Co ltd
Current assignee: Suzhou Leanstar Electronic Technology Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-08
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to the technical field of bedding equipment, in particular to a heating blanket, wherein an upper blanket body and a lower blanket body are spliced into a whole in a sewing mode, a heating element is arranged on the lower blanket body, a piezoelectric film sensor is arranged on the heating element in a pressing mode, two ends of the piezoelectric film sensor are bonded on the lower blanket body, a temperature sensor is integrated on the heating element, the heating element is a flexible piece, a controller is respectively and electrically connected with the heating element, the temperature sensor, the piezoelectric film sensor, a switch key, a working mode adjusting key, a temperature adjusting key and a mobile communication module, and the mobile communication module is in signal connection with a mobile terminal. The method comprises the following steps of collecting heart rate data of a person during sleeping through a strip-shaped flexible piezoelectric film sensor, judging the sleeping state of the person, and carrying out intelligent temperature control according to the data to monitor the health condition of the person; when in use, the electric blanket can not generate electromagnetic radiation, improves the safety and the comfort level of human body, and also ensures more accurate temperature control, thereby avoiding the defect that the traditional heating blanket is only suitable for a hard bed.

Description

Heating blanket

Technical Field

The utility model relates to the technical field of bedding equipment, in particular to a heating blanket.

Background

The electric blanket is a necessary warming product with low power consumption, easy operation and convenient use in winter, the temperature control mode of the electric blanket is still a mechanical manual mode at present, which causes that people who are sleepy, especially the old with poor memorability, cannot turn off or adjust the electric blanket to a low temperature state in time to cause energy waste, the service life of the electric blanket is shortened because the electric blanket is in a working state for a long time, in addition, fire disasters and property losses can be caused by long-time heating, and the personal safety can be seriously threatened. The existing heating blanket is mostly heated by adopting a soft rope type electric heating element with the insulation performance reaching the standard, and is woven or sewn into the blanket in a coil snake shape. The heating mode is linear heating, and the defects of poor heating uniformity, inaccurate temperature control and the like exist. In addition, the common electric blanket can generate electromagnetic radiation when in a working state, and as is known, the electromagnetic radiation has wide influence on the health of a human body and can cause diseases in the aspects of nervous system diseases, reproductive system diseases, cardiovascular system diseases, immune functions, eye vision and the like. In addition, the heating element in the electric blanket is a linear heating wire, so the electric blanket is only suitable for being used on a hard bed, but not a Simmons bed, a wire soft bed and a sofa bed, and accidents are induced because the electric heating wire is deformed or broken under stress after being stretched or bent.

In summary, the existing heating blanket has the disadvantages of low safety, poor comfort, mechanization of temperature control mode, limited use scene, etc.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: provides a heating blanket which is only safe and has multiple functions.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a heating blanket comprises an upper blanket body, a lower blanket body and a control module, wherein the upper blanket body and the lower blanket body are spliced into a whole in a sewing mode, a heating element is arranged on the lower blanket body, a piezoelectric film sensor is arranged on the heating element in a pressing mode, two ends of the piezoelectric film sensor are bonded on the lower blanket body, a temperature sensor is integrated on the heating element, the heating element is a flexible piece,

the control module comprises a controller, the controller is respectively and electrically connected with a heating element, a temperature sensor, a piezoelectric film sensor, a switch key, a working mode adjusting key, a temperature adjusting key and a mobile communication module, and the mobile communication module is in signal connection with the mobile terminal.

Furthermore, the piezoelectric film sensor comprises a flexible substrate, a lower electrode, a piezoelectric sensitive layer, an upper electrode and an upper protective layer, wherein the upper protective layer is arranged at the upper end of the flexible substrate, the upper electrode and the lower electrode are sequentially arranged between the flexible substrate and the upper protective layer from top to bottom, the piezoelectric sensitive layer is arranged between the upper electrode and the lower electrode, and the upper electrode and the lower electrode are both led out and are electrically connected with the controller in the control module.

Furthermore, the control module comprises a controller, the controller is provided with a switch key, a working mode adjusting key, a temperature adjusting key and a mobile communication module, and the mobile communication module is in signal connection with the mobile terminal.

Furthermore, the heating element comprises a heating body and a conductive electrode, the conductive electrode is arranged on the surface of the heating body, and the conductive electrode is electrically connected with the controller in the control module.

Further, the temperature sensor is an NTC patch thermistor type temperature sensor.

Furthermore, the flexible substrate and the upper protection layer are made of flexible and insulating PET, PEN, PU, PDMS or PI materials.

Furthermore, the piezoelectric sensitive layer is made of polyvinylidene fluoride or polyvinylidene fluoride-trifluoroethylene copolymer materials.

Furthermore, the thickness of the piezoelectric sensitive layer is 10-50 um.

Furthermore, the conductive electrode is made of silver paste or copper paste or conductive materials of silver nanowires or copper nanowires.

Furthermore, the controller is also connected with an automatic alarm and a display module.

The utility model has the advantages of overcoming the defects in the background technology,

1. according to the intelligent heating blanket provided by the utility model, the heart rate data of a person in sleep is collected through the strip-shaped flexible piezoelectric film sensor, the sleep state of the person is judged, the intelligent temperature control is carried out according to the sleep state of the person, and meanwhile, the health condition of the human body is monitored;

2. the carbon nanotube/graphene composite material capable of generating far infrared radiation is used as the heating body, electromagnetic radiation is not generated in the using process, the safety and the comfort level of a human body are improved, the temperature control is more accurate, and the defect that the traditional heating blanket is only suitable for a hard bed is overcome;

3. the intelligent heating blanket provides two adjusting modes of the key and the touch screen, and is widely suitable for different people to operate;

4. the intelligent heating blanket has the advantages of accurate and intelligent temperature control and capability of monitoring the health condition of a human body; the comfort is good, the safety is high, and the application range is wide; simple process and large-scale production.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a piezoelectric thin film sensor of the present invention;

FIG. 3 is a schematic view of the construction of a heating element of the present invention;

fig. 4 is a schematic structural diagram of a control module of the present invention.

In the figure: 1. the electric blanket comprises a lower blanket body, 2 heating elements, 3 piezoelectric film sensors, 4 temperature sensors, 5 upper blanket bodies, 7 flexible substrates, 8 lower electrodes, 9 piezoelectric sensitive layers, 10 upper electrodes, 11 upper protective layers, 12 heating bodies, 13 conductive electrodes, 14 controllers, 15 switch buttons, 16 working mode adjusting buttons, 17 temperature adjusting buttons, 18 mobile communication modules, 19 automatic alarms, 20 display modules and 21 mobile terminals.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The heating blanket shown in fig. 1 to 4 comprises an upper blanket body 5, a lower blanket body 1 and a control module, wherein the upper blanket body 5 and the lower blanket body 1 are spliced into a whole in a sewing manner, a heating element 2 is arranged on the lower blanket body 1, a piezoelectric film sensor 3 is arranged on the heating element 2 in a pressing manner, two ends of the piezoelectric film sensor 3 are bonded on the lower blanket body 1, a temperature sensor 4 is integrated on the heating element 2, the heating element 2 is a flexible piece, the control module comprises a controller 14, as shown in fig. 4, the controller 14 is respectively and electrically connected with the heating element 2, the temperature sensor 4, the piezoelectric film sensor 3, a switch key 15, a working mode adjusting key 16, a temperature adjusting key 17 and a mobile communication module 18, and the mobile communication module 18 is in signal connection with a mobile terminal 21.

Wherein, the switch key 15 is used for controlling the on-off of the heating blanket; the operation mode adjusting button 16 is used for adjusting the operation mode of the heating blanket, namely, the heart rate single monitoring mode, the heart rate monitoring temperature adjusting mode or the manual temperature adjusting mode.

When the heating blanket is in the manual temperature adjusting mode, the temperature can be adjusted through the temperature adjusting key 17, and the received signal is transmitted to the mobile terminal 21 through the mobile communication module 18. The mobile communication module 18 may be a bluetooth module, a WIFI module, a 4G module, or a 5G module, and the mobile terminal 21 is a smart phone or a smart display device. The heart rate value and the heart rate variation curve chart can be checked in real time from the mobile terminal 21, the real-time temperature of the heating blanket can also be seen, and the mobile terminal can be used for controlling the heating blanket to be closed, adjusting the working mode and the working temperature of the heating blanket and setting the range of the heart rate normal value.

In addition, an automatic alarm 19 and a display module 20 are connected to the controller 14.

As shown in fig. 2, the piezoelectric film sensor 3 is in a strip shape, the piezoelectric film sensor 3 includes a flexible substrate 7, a lower electrode 8, a piezoelectric sensitive layer 9, an upper electrode 10 and an upper protective layer 11, the upper end of the flexible substrate 7 is provided with the upper protective layer 11, the upper electrode 10 and the lower electrode 8 are sequentially arranged from top to bottom between the flexible substrate 7 and the upper protective layer 11, the piezoelectric sensitive layer 9 is arranged between the upper electrode 10 and the lower electrode 8, the lower electrode 8 is combined on the flexible substrate 7 by screen printing, sputtering, spraying or ink-jet printing, and the upper electrode 10 is combined on the piezoelectric sensitive layer 9 by screen printing, sputtering, spraying or ink-jet printing; the upper electrode 10 and the lower electrode 8 are both led out and connected with a controller 14 of the control module.

The flexible substrate 7 and the upper protection layer 11 are made of flexible insulating PET, PEN, PU, PDMS or PI materials, wherein the upper protection layer 11 is bonded with the flexible substrate 7 in an adhesive manner. The piezoelectric sensitive layer 9 is made of polyvinylidene fluoride or polyvinylidene fluoride-trifluoroethylene copolymer materials and is combined with the lower electrode 8 in a screen printing or spraying mode, and the thickness of the piezoelectric sensitive layer 9 is 10-50 microns.

As shown in fig. 3, the heating element 2 includes a heating body 12 and a conductive electrode 13, the conductive electrode 13 is disposed on the surface of the heating body 12, the heating body 12 is made of a carbon nanotube film/graphene composite material, and is combined with the surface of the flexible substrate in a screen printing or coating manner to serve as the heating body, and is disposed on the surface of the lower blanket body 1, the conductive electrode 13 is made of a conductive material such as silver paste or copper paste or silver nanowire or copper nanowire, the conductive electrode 13 is combined with the heating body 12 in a screen printing or coating manner, and the led-out conductive electrode 13 is directly electrically connected to the controller 14 in the control module;

wherein, the temperature sensor 4 is an NTC patch thermistor type temperature sensor;

the working process is as follows:

when the mattress is used specifically, a user lays the mattress on a hard board bed, a spring bed, a steel wire soft bed or a sofa bed according to the self requirement and is electrified for use;

when the device is used, the piezoelectric film sensor 3 transmits the acquired heart rate data signals to the control module, the control module program obtains the sleeping state of a person and obtains the optimal temperature corresponding to the sleeping state, a temperature instruction is sent out, the temperature sensor 4 detects the surface temperature of the heating element 2 and transmits the detected temperature signal to the controller 14, and when the temperature detected by the temperature sensor 4 exceeds the instruction temperature of the controller 14, the controller 14 cuts off the power supply of the heating element 2 and stops heating; if the temperature is lower than the command temperature of the controller 14, heating is started.

Meanwhile, the control module calculates and judges the heart rate signals detected by the piezoelectric film sensor 3, and if the heart rate signals exceed the normal value range, the controller 14 controls the automatic alarm 19 to give an alarm.

When the person gets up and leaves the heating blanket, the piezoelectric film sensor 3 can not detect the signal for more than 5 minutes, and the heating blanket is automatically closed.

In addition, the heater blanket may be used as a heart rate monitoring device when heating is not required for the day warming.

While particular embodiments of the present invention have been described in the foregoing specification, the present invention is not limited to the specific embodiments, and modifications and variations of the foregoing detailed description can be made by those skilled in the art without departing from the spirit and scope of the utility model.

Claims

1. A heating blanket, includes upper blanket body (5), lower blanket body (1) and control module, its characterized in that: the upper blanket body (5) and the lower blanket body (1) are spliced into a whole in a sewing mode, the lower blanket body (1) is provided with a heating element (2), the heating element (2) is provided with a piezoelectric film sensor (3) in an upward pressing mode, two ends of the piezoelectric film sensor (3) are bonded on the lower blanket body (1), the heating element (2) is integrated with a temperature sensor (4), and the heating element (2) is a flexible piece,

the control module comprises a controller (14), the controller (14) is respectively and electrically connected with a heating element (2), a temperature sensor (4), a piezoelectric film sensor (3), a switch key (15), a working mode adjusting key (16), a temperature adjusting key (17) and a mobile communication module (18), and the mobile communication module (18) is in signal connection with the mobile terminal (21).

2. A heat blanket as defined in claim 1, wherein: piezoelectric film sensor (3) include flexible base (7), bottom electrode (8), piezoelectricity sensitive layer (9), go up electrode (10) and last protective layer (11), the upper end of flexible base (7) is equipped with protective layer (11), from last electrode (10) and bottom electrode (8) down being equipped with in proper order between flexible base (7) and last protective layer (11), go up and be equipped with piezoelectricity sensitive layer (9) between electrode (10) and bottom electrode (8), go up electrode (10) and bottom electrode (8) and all draw outward and with control module controller (14) electric connection.

3. A heat blanket as defined in claim 1, wherein: the heating element (2) comprises a heating body (12) and a conductive electrode (13), the conductive electrode (13) is arranged on the surface of the heating body (12), and the conductive electrode (13) is electrically connected with the controller (14) in the control module.

4. A heat blanket as defined in claim 1, wherein: the temperature sensor (4) is an NTC patch thermistor type temperature sensor.

5. A heat blanket as defined in claim 2, wherein: the flexible substrate (7) and the upper protective layer (11) are made of flexible insulating PET, PEN, PU, PDMS or PI materials.

6. A heat blanket as defined in claim 2, wherein: the piezoelectric sensitive layer (9) is made of polyvinylidene fluoride or polyvinylidene fluoride-trifluoroethylene copolymer materials.

7. A heat blanket as defined in claim 6, wherein: the thickness of the piezoelectric sensitive layer (9) is 10-50 um.

8. A heat blanket as defined in claim 3, wherein: the conductive electrode (13) is made of silver paste or copper paste or conductive materials of silver nanowires or copper nanowires.

9. A heat blanket as defined in claim 1, wherein: the controller (14) is also connected with an automatic alarm (19) and a display module (20).