CN109714844A - A kind of intelligent and safe electric blanket and its heating means - Google Patents

A kind of intelligent and safe electric blanket and its heating means Download PDF

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Publication number
CN109714844A
CN109714844A CN201810167891.8A CN201810167891A CN109714844A CN 109714844 A CN109714844 A CN 109714844A CN 201810167891 A CN201810167891 A CN 201810167891A CN 109714844 A CN109714844 A CN 109714844A
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China
Prior art keywords
temperature
heating
intelligent
voltage
electric blanket
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Pending
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CN201810167891.8A
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Chinese (zh)
Inventor
刘永潮
韩艳山
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Wuhan Huida Electronic Technology Co Ltd
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Wuhan Huida Electronic Technology Co Ltd
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Priority to CN201810167891.8A priority Critical patent/CN109714844A/en
Publication of CN109714844A publication Critical patent/CN109714844A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of intelligent and safe electric blanket, including blanket body, the heater element that setting is made of nickel alloy low-voltage heating silk inside blanket body, each temperature sensors of high precision of heater element inside;Further include the control device with MCU Operations Analysis, the regulation of 15 DEG C of -50 DEG C of temperature ranges is realized by control MOS switch;It further include isolating transformer DC power supply, output is lower than 24V low-voltage DC.The present invention fundamentally solves human electric shock's hidden danger, completely eliminates electromagnetic interference, is conducive to realize ± 0.2 DEG C of acquisition precision by house software algorithm;MCU Operations Analysis realizes 15-50 DEG C of temperature range control of temperature to MOS switch, has 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 and its heating means
Technical field
The present invention relates to electric heating technical fields, more particularly to one kind not only can ensure that user's absolute safety but also can expire Sufficient human body different zones are to realizing temperature controlled intelligent and safe electric blanket and heating means on the basis of temperature requirements.
Background technique
Common electric blanket is a kind of contact electric heating appliance, and insulation performance is reached the special soft of certain safety standard by it Cable-styled heating element is woven into disk serpentine or sews up in woollen blanket, and when energization can produce heat appropriate, generated heat some It is that equilibrium is constant, there are also some controllable adjustables.
Different electric blankets has the characteristics that respectively to protrude, for example, in power consumption, temperature adjusting, degree easy to use, use Range, durability etc. have certain novelty.
Reach in view of people using the most basic original intention of electric blanket is mainly the temperature in sleep raising quilt Heating purpose, certainly, it may also be used for bedding removes moisture dehumidifying, and safety becomes the prerequisite item for manufacturing various different characteristics electric blankets Part, some Special use groups, for example, pregnant woman, children, old man etc. can electric blankets safe to use.
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, for example, if electricity Hot blanket sole mass is not up to standard, is likely to that there is a phenomenon where leak electricity after prolonged use;It is obtained if temperature is higher always Less than the control of different demands, then people's internal water and salinity are obviously lost, and are easy to appear dry, pharyngalgia, nostril bleeding, skin Dry and constipation etc.;It is extremely wide to the health effect of human body if the electromagnetic radiation of electric blanket is stronger, Chang Huiyin People's heart rate is played, blood pressure raising, accelerated breathing, wheezes, perspire;If the physical vigor of children is bigger, and uncomfortable electricity The suitable temperature of hot blanket, can make child decline cold resistance, and immunity can also decrease;In addition, for electric blanket Harm be also manifested by the excessively high quality that can reduce sleep of temperature, lassitude after making get up for second day;It heats up according to machinery, The balancing of human body can be destroyed, so that blood pressure be promoted to increase.
Those skilled in the art 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 present invention is exactly on the basis of existing well-known technique, in conjunction with the verifying of practical application, to same skill Product structure in art field proposes that the technical solution further researched and developed with designed, these technical solutions proposed are entirely capable of solving Problem certainly of the existing technology, while being also beneficial to the solution of numerous technical problems of same technical field and developing skill The expansibility of scheme.
Summary of the invention
For disadvantages described above, the present invention provides a kind of intelligent and safe electric blanket, combines special lower security electricity by isolated power supply It presses and safety in utilization is ensured using zero radiation, on the basis of realizing security performance, while also helping intelligent temperature control Be rapidly heated, anti-mite, and meet different users' different temperatures demand, thus, many deficiencies of the prior art can be solved.
To achieve the above object, the invention adopts the 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:
Using blanket body made of cotton, the heater element that setting is made of nickel alloy low-voltage heating silk inside the blanket body is simultaneously And so that the heater element is formed several heating regions, heater element both ends and respectively close to human body back, foot Heating region is each provided at least two temperature sensors of high precision, the hot zone of close human body waist among the heater element At least one temperature sensors of high precision is arranged in domain, to make each temperature sensors of high precision and outside the blanket body Control device connects;
Control device with MCU Operations Analysis, the MCU Operations Analysis are realized by control MOS switch The regulation of 15 DEG C of -50 DEG C of temperature ranges;
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:
Voltage rises to U2 by U1 in the MCU Operations Analysis control Vref chip realization moment, and heating power is fast Speed promotes (U22-U12)/R, temperature by 20 DEG C can rise to 45 DEG C in 10 minutes;
The isolating transformer DC power supply output direct current is there is no alternating magnetic field and realizes 0 Gauss;
There is the technical solution of additional structure for any of the above item, further includes:
LED display is arranged in order to embody the display after temperature setting as a result, LED display can in the control device Adjust 0.1 DEG C of resolving accuracy.
It is also implementable for technical solution of the present invention are as follows:
Preferably, two temperature sensors of high precision at the heater element back are respectively arranged at nickel alloy low-voltage heating First heating region head end of silk, second heating region end.
The MCU Operations Analysis realizes ± 0.2 DEG C of acquisition precision by algorithm;
In addition, the nickel alloy low-voltage heating silk includes but is not limited to be in the arrangement of disk serpentine.
In conjunction with the technological means of the embodiment of the present invention, can also following technical scheme be formed:
A kind of heating means of intelligent and safe electric blanket, comprise the steps of:
(1) use cotton blanket body and the nickel alloy heating wire in disk serpentine arrangement is set inside it, and make heating wire 11 heating regions are formed inside cotton blanket body;
(2) first of the nickel alloy low-voltage heating silk, second heating region be respectively set a high-precision temperature and pass A temperature sensors of high precision is arranged for acquiring foot for acquiring dorsal area temperature, the 11st heating region in sensor Regional temperature, meanwhile, a temperature sensors of high precision is added for acquiring lumbar region temperature, each in intermediate heating region Sensor is connected to peripheral control unit by port respectively;
(3) have MCU control unit for adjusting temperature control module inside the controller, by MCU control unit to temperature control mould The MOS switch of block realizes 15-50 DEG C of temperature of temperature range control;
(4) so that the Vref chip of temperature control module is realized that voltage by U1 rises to U2 in moment, generates heat by MCU control unit Power can fast lifting (U22-U12)/R.
The invention has the following beneficial effects:
(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) MCU Operations Analysis is arranged inside controller to be conducive to pass through in conjunction with the temperature sensor of different zones In house software algorithm realizes ± 0.2 DEG C of acquisition precision;
(3), by realizing that 15-50 DEG C of temperature of temperature range controls to MOS switch by MCU Operations Analysis, 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
Below according to attached drawing, invention is further described in detail.
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 embodiment of the present invention one, the technological means implemented will reach Purpose be that solving currently used electric blanket can not can also be on the basis of ensuring to reach higher-security energy to human body One step carries out auto-control to temperature requirements needed for human body different zones according to different users, is solving the problems, such as the same of this When, the technological means implemented will fundamentally solve human electric shock's hidden danger and have high precision temperature acquisition function, thus, The technical solution that the present invention 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.
It is straight for implementing isolating transformer outside the blanket body 1 implemented above in conjunction with the technical problems to be solved by the invention Galvanic electricity source 4, the isolating transformer DC power supply 4 implemented is connect with controller and port 7 respectively, in specific embodiment On, can by the principle of existing isolating transformer be applied to blanket body 1 on, due to secondary discord the earth be connected, secondary appoint single line with 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 present invention is implemented is using isolated 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 embodiment of the present invention two implements a kind of heating means of intelligent and safe electric blanket, it is in embodiment one On the basis of the transformation that carries out, belong to the same design with embodiment one and be able to solve identical technical problem, mainly by Following steps composition:
(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 at least the one of the present invention or invention In a embodiment or example.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 embodiment or examples In combine in a proper manner.
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 present invention or invention 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 solution of the present invention and in conjunction with existing There is the new technical solution that common knowledge is implemented, technical effect caused by the new technical solution is not departing from the present invention Except technical effect, for example, using have different parts temperature sensors of high precision carry out temperature acquisition and cooperate safety every Technical solution from power supply;2. generated using well-known technique to the equivalence replacement of the Partial Feature of technical solution of the present invention Technical effect is identical as the technology of the present invention effect, for example, the part electronic component in heating component or control circuit is carried out etc. Effect replacement;3. carry out to expand based on technical solution of the present invention, the substantive content of the technical solution after expansion without departing from Except technical solution of the present invention;4. directly or indirectly being used using equivalent transformation made by description of the invention and accompanying drawing content In other related technical areas.

Claims (10)

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:
The heater element being made of nickel alloy low-voltage heating silk is set using blanket body made of cotton, inside the blanket body and is made The heater element forms several heating regions, heater element both ends and respectively close to human body back, the fever of foot Region is each provided at least two temperature sensors of high precision, the heating region cloth of close human body waist among the heater element Set at least one temperature sensors of high precision, thus make each temperature sensors of high precision with the control outside the blanket body Device connects;
Control device with MCU Operations Analysis, the MCU Operations Analysis pass through 15 DEG C of control MOS switch realization- The regulation of 50 DEG C of temperature ranges;
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.
2. intelligent and safe electric blanket according to claim 1, it is characterised in that: the MCU Operations Analysis control Voltage rises to U2 by U1 in Vref chip realization moment, and heating power fast lifting (U22-U12)/R can be warm in 10 minutes Degree rises to 45 DEG C by 20 DEG C.
3. intelligent and safe electric blanket according to claim 1, it is characterised in that: the isolating transformer DC power supply output Direct current is there is no alternating magnetic field and realizes 0 Gauss.
4. intelligent and safe electric blanket according to claim 1-3, it is characterised in that: the control device setting LED display in order to embody temperature setting after display result.
5. intelligent and safe electric blanket according to claim 4, it is characterised in that: the LED display is 0.1 DEG C point adjustable Distinguish precision.
6. intelligent and safe electric blanket according to claim 1, it is characterised in that: preferably, the heater element back Two temperature sensors of high precision are respectively arranged at first heating region head end of nickel alloy low-voltage heating silk, second fever Area distal.
7. intelligent and safe electric blanket according to claim 1, 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. a kind of heating means of intelligent and safe electric blanket, which is characterized in that comprise the steps of:
(1) use cotton blanket body and the nickel alloy heating wire in disk serpentine arrangement is set inside it, and make heating wire in cotton 11 heating regions are formed inside cloth blanket body;
(2) first of the nickel alloy low-voltage heating silk, second heating region a temperature sensors of high precision is respectively set For acquiring dorsal area temperature, a temperature sensors of high precision is arranged for acquiring foot areas in the 11st heating region Temperature, meanwhile, a temperature sensors of high precision is added for acquiring lumbar region temperature, each sensing in intermediate heating region Device is connected to peripheral control unit by port respectively;
(3) have MCU control unit for adjusting temperature control module inside the controller, by MCU control unit to temperature control module MOS switch realizes 15-50 DEG C of temperature of temperature range control;
(4) so that the Vref chip of temperature control module is realized that voltage by U1 rises to U2, heating power in moment by MCU control unit It can fast lifting (U22-U12)/R.
10. the heating means of intelligent and safe electric blanket according to claim 9, it is characterised in that: the MCU control unit Rise to voltage in Vref chip moment in safe range.
CN201810167891.8A 2018-02-28 2018-02-28 A kind of intelligent and safe electric blanket and its heating means Pending CN109714844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810167891.8A CN109714844A (en) 2018-02-28 2018-02-28 A kind of intelligent and safe electric blanket and its heating means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810167891.8A CN109714844A (en) 2018-02-28 2018-02-28 A kind of intelligent and safe electric blanket and its heating means

Publications (1)

Publication Number Publication Date
CN109714844A true CN109714844A (en) 2019-05-03

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CN201810167891.8A Pending CN109714844A (en) 2018-02-28 2018-02-28 A kind of intelligent and safe electric blanket and its heating means

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111741546A (en) * 2020-07-13 2020-10-02 成都彩虹电器(集团)股份有限公司 Safe mite-killing electric blanket control circuit meeting electromagnetic compatibility requirement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111741546A (en) * 2020-07-13 2020-10-02 成都彩虹电器(集团)股份有限公司 Safe mite-killing electric blanket control circuit meeting electromagnetic compatibility requirement

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