CN208300050U

CN208300050U - A kind of intelligent and safe electric blanket

Info

Publication number: CN208300050U
Application number: CN201820283917.0U
Authority: CN
Inventors: 刘永潮; 韩艳山
Original assignee: Wuhan Huida Electronic Technology Co Ltd
Current assignee: Wuhan Huida Electronic Technology Co Ltd
Priority date: 2018-02-28
Filing date: 2018-02-28
Publication date: 2018-12-28
Anticipated expiration: 2028-02-28

Abstract

The utility model relates to a kind of intelligent and safe electric blankets, including blanket body, its internal nickel alloy low-voltage heating silk with snakelike setting, at least three heating regions that nickel alloy low-voltage heating silk is formed inside blanket body are equipped with temperature sensors of high precision, and each temperature sensors of high precision is made to connect with the control device outside blanket body；The isolating transformer DC power supply connecting with control device, the output of isolating transformer DC power supply are lower than 24V low-voltage DC.The utility model fundamentally solves human electric shock's hidden danger, completely eliminates electromagnetic interference；Have many advantages, such as that control structure is simple, small, fast response time is lost；Can make Vref realize moment in voltage rise within the scope of safe voltage, heating power can fast lifting, advantageously reduce booting preheating time, and realize anti-mite function.

Description

A kind of intelligent and safe electric blanket

Technical field

The utility model relates to electric heating technical field more particularly to a kind of intelligent and safe electric blankets.

Background technique

The safety of electric blanket is mainly reflected in radiation safety, power safety, temperature safety at present, is ensuring these safety On the basis of performance, electric blanket can be made to play its advantages to the full extent, for example, there is good guarantor to the people for having rheumatism Shield effect and the chance that can reduce its breaking-out, for another example, to old man or the special weakling of constitution, electric blanket, which also can provide, to be compared Good care.

Although the further research and development to electric blanket can play the above advantage, problem is also following, art technology Personnel have carried out analysis using many experiences of electric blanket according to family and have found:

The unsafe factor of electric blanket is caused to specifically include that the blanket body electrification 220V alternating current of most of electric blankets directly and people Body contact, thus there is electric shock hidden danger；Simultaneously as electric blanket device ac capacitor is also easy to produce alternating magnetic field, it is used for a long time Human health can be generated harmful；

On the basis of not having higher-security energy, electric blanket is caused to be unable to satisfy the factor packet of human body use demand Include: since mechanical temp controlled mode is simple, being unable to satisfy different use groups, human body whole night makes the different demands of temperature, difference With the various demands such as environment；Meanwhile existing some low-voltage electrical heating blanket product temperature control methods are then damaged according to components such as linear switches Consumption is big, and there is response speeds it is slow, control precision is low, human-computer interaction is poor the disadvantages of.

In conclusion the utility model is exactly on the basis of existing well-known technique, in conjunction with the verifying of practical application, to same Product structure in one technical field proposes that the technical solution further researched and developed with designed, the technical solution that these are proposed are complete It can solve problem of the existing technology, while being also beneficial to the solution and raising of numerous technical problems of same technical field The expansibility of technical solution.

Utility model content

For disadvantages described above, the utility model provides a kind of intelligent and safe electric blanket, combines special low peace by isolated power supply Full voltage and safety in utilization is ensured using zero radiation, on the basis of realizing security performance, while also helping intelligence It temperature control and is rapidly heated, anti-mite, and meets different users' different temperatures demand, thus, many of the prior art can be solved It is insufficient.

To achieve the above object, the utility model uses following technical scheme:

A kind of intelligent and safe electric blanket controls to adjust the temperature of blanket body internal heating element using peripheral control unit, described Intelligent and safe electric blanket includes:

Blanket body, the internal nickel alloy low-voltage heating silk with snakelike setting, the nickel alloy low-voltage heating silk is in described At least three heating regions formed inside blanket body are equipped with temperature sensors of high precision, and sense each high-precision temperature Device connects with the control device outside the blanket body；

The isolating transformer DC power supply connecting with the control device, the isolating transformer DC power supply output are lower than 24V low-voltage DC.

Further include following any one for the additional structure of above technical scheme:

The MCU Operations Analysis realizes the rising of voltage in moment by control Vref chip, while making the function that generates heat Rate fast lifting；

The control device has MCU Operations Analysis, and the MCU Operations Analysis is real by control MOS switch The regulation of existing 15 DEG C of -50 DEG C of temperature ranges；

The heating region includes:

At least two temperature sensors of high precision are arranged in human body back heating region, the back heating region；

At least two temperature sensors of high precision are arranged in human foot's heating region, foot's heating region；

At least one temperature sensors of high precision is arranged in human body waist heating region, the waist heating region.

For having the technical solution of any one additional structure above, further includes:

LED display is arranged in the control device, and LED display can adjust 0.1 DEG C of resolving accuracy.

It is also implementable for the technical solution of the utility model are as follows:

The MCU Operations Analysis realizes ± 0.2 DEG C of acquisition precision by algorithm；

The nickel alloy low-voltage heating silk include but is not limited to be in disk serpentine arrangement；

The isolating transformer DC power supply has the double-deck separation layer.

Intelligent and safe electric blanket described in the utility model has the beneficial effect that

(1) combine, be isolated with the electric blanket with temperature sensors of high precision by using isolating transformer DC power supply Transformer dc source, lower than by the way of 24V spy's low-voltage DC, fundamentally solves human electric shock using isolated power supply output Hidden danger, meanwhile, output direct current can realize 0 Gauss there is no alternating magnetic field, completely eliminate electromagnetic interference, it can be ensured that human body Reaching can also be further according to different users to temperature requirements needed for human body different zones on the basis of higher-security energy Carry out auto-control；

(2) by the way that MCU Operations Analysis is arranged inside control device, in conjunction with the temperature sensor of different zones, favorably In the acquisition precision for realizing ± 0.2 DEG C by house software algorithm；

(3) MCU Operations Analysis can be used, 15-50 DEG C of temperature of temperature range, which controls, to be realized to MOS switch, there is control The advantages that structure processed is simple, loss is small, fast response time；

(4) the control for passing through MCU Operations Analysis makes Vref IC realize that voltage rises to safe voltage range in moment It is interior, heating power can fast lifting (U22-U12)/R, advantageously reduce booting preheating time, and realize anti-mite function.

Detailed description of the invention

The utility model is described in further detail below according to attached drawing.

Fig. 1 is the theory of constitution schematic diagram of intelligent and safe electric blanket described in the embodiment of the present invention；

Fig. 2 is the MCU Operations Analysis partial circuit schematic diagram of intelligent and safe electric blanket described in the embodiment of the present invention；

Fig. 3 is the heating power control circuit schematic diagram of intelligent and safe electric blanket described in the embodiment of the present invention.

In figure:

1, blanket body；2, nickel alloy electric-heating assembly；3, circuit control unit；4, isolating transformer DC power supply；5, display is adjusted Isothermal segment；6, MCU Operations Analysis；7, port；8, temperature sensors of high precision.

Specific embodiment

Embodiment one

As shown in Figs. 1-2, intelligent and safe electric blanket described in the utility model embodiment one, the technological means implemented are wanted The purpose reached is that solving currently used electric blanket can not go back on the basis of ensuring to reach higher-security energy to human body Auto-control further can be carried out to temperature requirements needed for human body different zones according to different users, solve the problems, such as this Meanwhile the technological means implemented will fundamentally solve human electric shock's hidden danger and have high precision temperature acquisition function, because And the technical solution that the utility model is implemented includes blanket body 1 first.

1 inside of blanket body implemented above is analyzed respectively with external structure:

Cotton structure is used outside the blanket body 1 implemented, while being uniformly arranged inside the blanket body 1 implemented in disk serpentine Nickel alloy electric-heating assembly 2, and these nickel alloy electric-heating assemblies 2 preferably use nickel alloy low-voltage heating silk structure；

Further, the nickel alloy low-voltage heating silk implemented implements means according to different paving line modes and density come really It is fixed, three warm areas, i.e. back, waist, foot are broadly divided into, to meet the needs of human body different zones are to temperature, specific implementation To select its both ends inside blanket body 1 since human body back, waist, foot are respectively at the region of upper, middle and lower three of human body Respectively as back direction, foot direction；

For the precision for ensuring each region temperature acquisition, it is high-precision that 1 dorsal area of blanket body implemented adds at least two Temperature sensor 8 is spent, is configured if forming several rows inside blanket body 1 with the nickel alloy electric-heating assembly 2 in disk serpentine, The two temperature sensors of high precision 8 are preferably disposed on first row head end of nickel alloy electric-heating assembly 2, second row end End, so that the precision of temperature acquisition be enable to be extended to entire back and neck；

Further, at least one temperature sensors of high precision 8 is added in 1 lumbar region of blanket body implemented, if to be in disk The nickel alloy electric-heating assembly 2 of serpentine forms several rows inside blanket body 1 and is configured, then this temperature sensors of high precision 8 It is preferably disposed on the intermediate region of the ranks of nickel alloy electric-heating assembly 2, so that the precision of temperature acquisition be enable to be extended to entirely Waist and buttocks；

Further, 1 foot areas of blanket body implemented adds at least two temperature sensors of high precision 8, if to be in disk The nickel alloy electric-heating assembly 2 of serpentine forms several rows inside blanket body 1 and is configured, then the two temperature sensors of high precision 8 are preferably disposed on 2 latter end of nickel alloy electric-heating assembly of blanket body 1 one end opposite with dorsal area, and are respectively at nickel alloy The head and the tail position of 2 latter end of electric-heating assembly, so that the precision of temperature acquisition be enable to be extended to entire foot；

By the implementation of above five tunnel temperature sensors of high precision 8, the back position more intensive relative to human acupoint, Foot position, human temperature can be greatlyd improve in use by adding 8 quantity of temperature sensors of high precision more than waist Precision is controlled, can meet the needs of human body different zones are to temperature.

Above implemented five tunnel temperature sensors of high precision, 8 reasonable layout in the corresponding different location of blanket body 1, by this five Road sensor is connected to peripheral control unit by port 7 respectively, includes MCU Operations Analysis 6 inside the controller implemented And the circuit control unit 3 of its control, be conducive to realize ± 0.2 DEG C of acquisition precision by house software algorithm；By by MCU Operations Analysis 6 realizes that 15-50 DEG C of temperature of temperature range controls to the Q1MOS switch of circuit control unit 3, has The advantages that control structure is simple, loss is small, fast response time, meanwhile, for circuit control unit 3, pass through MCU operation control list The control of member 6 makes Vref IC realize that voltage by U1 rises to U2 (within the scope of safe voltage) in moment, and heating power can be quick (U22-U12)/R is promoted, includes: that temperature can be risen by 20 DEG C in 10 minutes with specific reference to the accessible effect of different embodiments To 45 DEG C, booting preheating time is reduced, also temperature can rise to 55 DEG C of implementation above anti-mite functions in 15 minutes；

Correspondingly, the controller implemented has display temperature adjustment part 5 for adjusting 0.1 DEG C of resolving accuracy, and use is existing Display screen technology, be conducive to by setting different mode realize temperature adjust automatically, shown by display screen, realize depth people Machine interaction.

In conjunction with technical problem to be solved in the utility model, for implementing isolation transformation outside the blanket body 1 implemented above Device DC power supply 4, the isolating transformer DC power supply 4 implemented is connect with controller and port 7 respectively, in specific embodiment party In formula, the principle of existing isolating transformer can be applied on blanket body 1, since secondary discord the earth is connected, secondary appoints single line There is no potential difference between the earth, because using safer；

Further, the isolating transformer DC power supply 4 implemented is using isolated power supply output lower than 24V spy's low-voltage direct The mode of electricity fundamentally solves human electric shock's hidden danger, simultaneously as in output facet, industry specification < 2 milligauss, but pass Most of product of system is between 100-200 milligauss, thus, the technological means that the utility model is implemented is using isolation Power supply output direct current can realize 0 Gauss there is no alternating magnetic field, completely eliminate electromagnetic interference.

It the present invention temperature-control circuit part implemented can by existing temperature control circuit technological improvement or according to Fig.2, Existing heating power control circuit is implemented, and the power end for the heating power control circuit implemented has five interfaces CON201, the branch of third pin therein accesses SQ202 via SR208, SR209, then leads to V+ by SR207, therein 4th pin is connected to V-, and branch circuit parallel connection composed by SR206, SR207, SQ202 therein accesses C201, C202, accessed C201 positive terminal connection have D201 branch；Meanwhile LED digital display screen is set on controller surface, and temperature can be set Intuitive display result ground after fixed is shown to user.

In addition, the connection of local circuit involved in the intelligent and safe electric blanket implemented of the present invention, for example, specifically every Module used by interlock circuit, MCU control unit from power supply is based entirely on the prior art to implement, as shown in figure 3, Implemented using the chip of model ATtiny816, thus, those skilled in the art on the basis of existing technology can be easily Implement corresponding circuit, therefore, in terms of involved related circuit element, program code and is not belonging to the scope of the present invention Interior, details are not described herein again for corresponding implementation means.

Embodiment two

As shown in Figure 1, the utility model embodiment two implements a kind of heating means of intelligent and safe electric blanket, it is to implement The transformation carried out on the basis of example one belongs to the same design with embodiment one and is able to solve identical technical problem, main It comprises the steps of:

(1) use 1 structure of cotton blanket body and be uniformly arranged the nickel alloy heating wire arranged in disk serpentine inside it, and And heating wire is made to form 11 heating regions inside cotton blanket body 1；

(2) first of the wherein one end for the nickel alloy low-voltage heating silk implemented, second heating region be respectively set one A temperature sensors of high precision 8 is used to acquire the temperature of back and neck area, the 11st heating region setting of the other end One temperature sensors of high precision 8 is used to acquire the temperature of foot areas, meanwhile, intermediate heating region add one it is high-precision Degree temperature sensor 8 is used to acquire the temperature of lumbar region, meanwhile, so that these sensors is connected to outside by port 7 respectively Controller；

(3) have MCU control unit for adjusting temperature control module (i.e. circuit control unit 3) inside the controller implemented, And the acquisition precision for realizing ± 0.2 DEG C by house software algorithm is switched by Q1MOS of the MCU control unit to temperature control module Realize 15-50 DEG C of temperature of temperature range control；

(4), simultaneously, by the control of MCU control unit, the Vref IC of temperature control module is made to realize that voltage is by U1 in moment It rises to U2 (within the scope of safe voltage), heating power can fast lifting (U22-U12)/R.

In the description of this specification, if there is the descriptions such as term " embodiment one ", " the present embodiment ", " specific implementation " meaning Refer to that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the utility model or utility model At least one embodiment or example in.In the present specification, schematic expression of the above terms are not necessarily referring to identical Embodiment or example；Moreover, described particular features, structures, materials, or characteristics can be in any one or more implementations It is combined in a proper manner in example or example.

In the description of this specification, term " connection ", " installation ", " fixation ", " setting ", " having " etc. do broad sense reason Solution, for example, " connection " may be a fixed connection or pass through intermediate module on the basis of not influencing component relationship and technical effect Indirectly carry out, be also possible to integrally connected or part connect, such as herewith example situation for those of ordinary skills, Concrete meaning of the above-mentioned term in the utility model or utility model can be understood as the case may be.

The above-mentioned description to embodiment is for the ease of those skilled in the art it will be appreciated that and using this Case technology, person skilled in the art obviously can make various modifications to these examples easily, and described herein one As principle be applied in other embodiments without having to go through creative labor.Therefore, this case is not limited to above embodiments, for The modification of several situations below, all should be in the protection scope of this case: 1. based on technical solutions of the utility model and to tie The new technical solution that existing common knowledge is implemented is closed, technical effect caused by the new technical solution is not departing from this Except utility model technical effect, for example, using having different parts temperature sensors of high precision to carry out temperature acquisition and match Close the technical solution of security isolation power supply；2. being replaced using well-known technique to the equivalent of Partial Feature of technical solutions of the utility model It changes, generated technical effect is identical as the utility model technical effect, for example, by the part in heating component or control circuit Electronic component carries out equivalence replacement；3. carrying out to expand based on technical solutions of the utility model, the technical solution after expansion Substantive content without departing from technical solutions of the utility model except；4. being made using the utility model specification and accompanying drawing content Equivalent transformation, be directly or indirectly used in other related technical areas.

Claims

1. a kind of intelligent and safe electric blanket controls to adjust the temperature of blanket body internal heating element, feature using peripheral control unit It is, the intelligent and safe electric blanket includes:

Blanket body, the internal nickel alloy low-voltage heating silk with snakelike setting, the nickel alloy low-voltage heating silk is in the blanket body At least three heating regions that inside is formed are equipped with temperature sensors of high precision, and keep each temperature sensors of high precision equal Connect with the control device outside the blanket body；

2. intelligent and safe electric blanket according to claim 1, it is characterised in that: the control device has MCU operation control Unit processed, the MCU Operations Analysis realize the regulation of 15 DEG C of -50 DEG C of temperature ranges by control MOS switch.

3. intelligent and safe electric blanket according to claim 2, it is characterised in that: the MCU Operations Analysis passes through control Vref chip processed realizes the rising of voltage in moment, while making heating power fast lifting.

4. intelligent and safe electric blanket according to claim 1, it is characterised in that: the heating region includes:

5. intelligent and safe electric blanket according to claim 1-4, it is characterised in that: the control device setting LED display.

6. intelligent and safe electric blanket according to claim 5, it is characterised in that: the LED display is 0.1 DEG C point adjustable Distinguish precision.

7. intelligent and safe electric blanket according to claim 2, it is characterised in that: the MCU Operations Analysis passes through calculation Method realizes ± 0.2 DEG C of acquisition precision.

8. intelligent and safe electric blanket according to claim 1, it is characterised in that: the nickel alloy low-voltage heating silk include but It is not limited to arrange in disk serpentine.

9. intelligent and safe electric blanket according to claim 1, it is characterised in that: the isolating transformer DC power supply has The double-deck separation layer.

10. intelligent and safe electric blanket according to claim 1, it is characterised in that: the blanket body is made of cotton.