CN203745928U

CN203745928U - Working circuit of intelligent temperature-control summer sleeping mat

Info

Publication number: CN203745928U
Application number: CN201420086050.1U
Authority: CN
Inventors: 鲍雅婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-02-27
Filing date: 2014-02-27
Publication date: 2014-07-30
Anticipated expiration: 2024-02-27

Abstract

Working circuit of the utility model relates to a working circuit of an intelligent temperature-control summer sleeping mat. The working circuit comprises a temperature regulating unit, wherein the temperature regulating unit internally comprises an STM8L series low power consumption embedded microprocessor, a hardware interlock circuit and an H bridge pulse width modulator which are connected in sequence; the microprocessor is respectively connected with a first temperature sensor and a second temperature sensor, the H bridge pulse width modulator comprises four switching tubes which are respectively a switching tube 1, a switching tube 2, a switching tube 3 and a switching tube 4, the switching tube 1 and the switching tube 2 are served as an upper half bridge arm, and the switching tube 3 and the switching tube 4 are served as a lower half bridge arm; the switching tube 2 and the switching tube 4 are connected with a power supply unit in parallel; and a thermoelectric refrigerator is connected with the switching tube 1 and the switching tube 2 in parallel. Compared with the prior art, the summer sleeping mat provided with the temperature regulating unit, the temperature sensors and the thermoelectric refrigerator can regulate the temperature flexibly according to the ambient temperature changes, so that the purpose of warm in winter and cool in summer is achieved when a user lies on the intelligent temperature-control summer sleeping mat.

Description

A kind of operating circuit of Intelligent temp controlled summer sleeping mat

Technical field

The utility model relates to a kind of operating circuit method of Intelligent temp controlled summer sleeping mat, is specifically related to daily living article field.

Background technology

Winter, current people realized heating and thermal insulation with electric blanket on the mattress of being everlasting, and its principle of work mainly realizes heating function in winter based on heating wire, realized heating and heat insulation function by change-over switch; The summer sleeping mat that used summer on the mattress of being everlasting, its material mostly is bamboo or straw or like vegetable, as charing bamboo, sub-grass etc.Also on outer market, also have a kind of electric summer sleeping mat, it utilizes electronic refrigerating elements or baby compressor refrigeration, by Absorption of Medium cold, with pump by medium transport in mat, reduce the temperature of summer sleeping mat body surface, people is overlied reach the object of the cooling of relieving summer heat.

In Japan, once someone designed a kind of air conditioning mat, by settling air exhauster at summer sleeping mat afterbody, air is entered by the air inlet on summer sleeping mat top, make whole summer sleeping mat constantly obtain air circulation, thereby keep the further salubrious of summer sleeping mat, but how many noises of air exhauster can affect user's comfort level.The patent No.: 200520142848, patent name: a kind of water summer sleeping mat, it prolongs press mold by upper and lower two-layer PVC, the circle that is pressed into several rows of O-ring seal or part pressing through heat-sealing machine and particular manufacturing craft forms, and can form the water bag of several rows of neat and consistent after water filling, and its O-ring seal can be removed increase Air permenbility, as fruit part pressing can be held the more water yield, use sustainable absorption body temperature summer, make sleep more comfortable, but this water summer sleeping mat also can only use in summer.

Summary, mat wouldn't possess the temperature that reduces during the broiling summer the temperature of seat surface and promote seat surface in ice-cold winter at present.

Utility model content

The purpose of this utility model is to have the problems referred to above for existing technology, proposed a kind of operating circuit that is simultaneously applicable to the summer sleeping mat of summer and use in winter=.

The purpose of this utility model can realize by following technical proposal: a kind of operating circuit of Intelligent temp controlled summer sleeping mat, described operating circuit comprises thermostat unit, in described thermostat unit, comprise STM8L series Low Power Embedded Microprocessor, hardware interlock circuit, the width modulation of H bridge, three's order is connected, described microprocessor comprises PB1, PB2, PD0, PB0, PD5, PD4, the PD4 end of described microprocessor is also connected with the first temperature sensor, the second temperature sensor respectively with PD5, described H bridge width modulation comprises four switching tubes, respectively switching tube one, switching tube two, switching tube three and switching tube four, described switching tube one and switching tube two are as first brachium pontis, and described switching tube three and switching tube four are as second brachium pontis, described switching tube two and switching tube four and power supply unit also connect, thermoelectric refrigerating unit and switching tube one and switching tube two-phase also connect, described hardware interlock circuit is for connecting output port and the H bridge pulse-width modulation circuit of microprocessor, prevent that microprocessor program from running bridgc arm short while flying, comprise or door one, or door two, with door one and with door two, described or door is one for connecting microprocessor PB1, PB2 end is to the grid of described switching tube one, described or door is two for connecting microprocessor PD0, PB0 holds to the grid of switching tube two, described with door one for being connected microprocessor PB1, PB2 holds to the grid of switching tube three, described with door two for being connected microprocessor PD0, PB0 holds to the grid of switching tube four.

Described power supply unit adopts AC/DC power change-over circuit, for 220V alternating current being converted to the DC supply of thermoelectric cooling module.

The single-stage refrigerator 9501/071/030B of the large and pyromagnetic electronics in what described thermoelectric refrigerating unit adopted is Hangzhou.

Compared with prior art, with the mat of thermostat unit, temperature sensor and thermoelectric refrigerating unit, can, according to the warm cold variation in the external world, regulate flexibly temperature, people be overlied and reach object cool in summer and warm in winter.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is working circuit diagram of the present utility model;

In figure, the 1st, mat body, the 2nd, thermoelectric refrigerating unit, 3 is first temperature sensors, 4 is second temperature sensors, the 5th, thermostat unit, the 6th, power supply unit, the 7th, casing.

Embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.

As shown in Figure 1, a kind of Intelligent temp controlled summer sleeping mat, comprise mat body 1, thermoelectric refrigerating unit 2, temperature sensor, thermostat unit 5, power supply unit 6, casing 7, described mat body 1 is hollow, described thermoelectric refrigerating unit 2 is arranged in the mat body 1 of hollow, described temperature sensor comprises two, respectively the first temperature sensor 3 and the second temperature sensor 4, the first described temperature sensor 3 is attached to the surface of mat, and described the second temperature sensor 4, thermostat unit 5 and power supply unit 6 are located at sealed enclosure 7 inside; Described thermostat unit is connected with two temperature sensors, power supply unit 6 respectively; An other side of described power supply unit 6 is connected with thermoelectric refrigerating unit 2.In accompanying drawing, the material of described mat body 1 is bamboo matter.Described casing 7 is placed on mat body 1 nearby and possesses the position of AC power input, for example socket side.

The single-stage refrigerator 9501/071/030B of the large and pyromagnetic electronics in what described thermoelectric refrigerating unit 2 adopted is Hangzhou, the huyashi-chuuka (cold chinese-style noodles) of described thermoelectric cooling module should contact with mat book 1 medial surface, and hot side should an exposed lateral surface that forms outside mat body 1.By apply a lower DC voltage at its two ends, heat will flow to the other end from one end of element, and one end temperature of refrigerator will reduce, and the temperature of the other end will rise simultaneously.As long as change direction of current, just can change the direction of hot-fluid, heat delivery is arrived to the other end.Therefore can on a thermoelectric cooling module 2, realize refrigeration and two kinds of functions of heating simultaneously.

Described thermostat unit 5 is that the STM8L series Low Power Embedded Microprocessor based on STMicw Electronics realizes, and described thermostat unit 5 comprises microprocessor, hardware interlock circuit and pulse-width modulation circuit.

As shown in Figure 2, a kind of operating circuit of Intelligent temp controlled summer sleeping mat, described operating circuit comprises thermostat unit, comprises STM8L series Low Power Embedded Microprocessor, hardware interlock circuit, the width modulation of H bridge in described thermostat unit, and three's order is connected; Described microprocessor comprises PB1, PB2, PD0, PB0, PD5, PD4, the PD4 end of described microprocessor is also connected with the first temperature sensor, the second temperature sensor respectively with PD5, described H bridge width modulation comprises four switching tubes, respectively switching tube one Q1, switching tube two Q2, switching tube three Q3 and switching tube four Q4, described switching tube one Q1 and switching tube two Q2 are as first brachium pontis, and described switching tube three Q3 and switching tube four Q4 are as second brachium pontis; Described switching tube two Q2 and switching tube four Q4 and power supply unit 6 also connect; Thermoelectric refrigerating unit is with switching tube one Q1 and switching tube two Q2 phases and connect; Hardware interlock circuit, for connecting output port and the H bridge pulse-width modulation circuit of microprocessor, prevents that microprocessor program from running bridgc arm short while flying, mainly comprise or door one OR1 or door two OR2, with an AND3 and with door two AND4.Described or door one OR1 is used for connecting microprocessor PB1, the PB2 grid to switching tube one Q1, only in the time that PB2 is not switching tube three not conducting of Q3 for high level, switching tube one Q1 can be just that its grid drive level is low level in conducting state, thereby effectively prevents that two switching tube Q1 and Q3 on same brachium pontis from causing short circuit to occur in conducting simultaneously.Described or door two OR2 are used for connecting microprocessor PD0, the PB0 grid to switching tube two Q2, play the aforementioned interlocked that is similar to switching tube one Q1 and use.Described is used for being connected microprocessor PB1, the PB2 grid to switching tube three Q3 with door one AND3, and only, in the time that PB1 is not switching tube one not conducting of Q1 for low level, switching tube three Q3 can be just that its grid level is high level in conducting state.Described is used for being connected PD0, the PB0 grid to switching tube four Q4 with door two AND4, plays the aforementioned interlocked that is similar to switching tube three Q3 and uses.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. the operating circuit of an Intelligent temp controlled summer sleeping mat, it is characterized in that: described operating circuit comprises thermostat unit, in described thermostat unit, comprise STM8L series Low Power Embedded Microprocessor, hardware interlock circuit, the width modulation of H bridge, three's order is connected, described microprocessor comprises (PB1, PB2, PD0, PB0, PD5, PD4), (PD4) end of described microprocessor is also connected with the first temperature sensor, the second temperature sensor respectively with (PD5), described H bridge width modulation comprises four switching tubes, respectively switching tube one, switching tube two, switching tube three and switching tube four, described switching tube one and switching tube two are as first brachium pontis, and described switching tube three and switching tube four are as second brachium pontis, described switching tube two and switching tube four and power supply unit also connect, thermoelectric refrigerating unit and switching tube one and switching tube two-phase also connect, described hardware interlock circuit is for connecting output port and the H bridge pulse-width modulation circuit of microprocessor, prevent that microprocessor program from running bridgc arm short while flying, comprise or door one, or door two, with door one and with door two, described or door is one for connecting microprocessor (PB1, PB2) end is to the grid of described switching tube one, described or door is two for connecting microprocessor (PD0, PB0) hold to the grid of switching tube two, described with door one for being connected microprocessor (PB1, PB2) hold to the grid of switching tube three, described with door two for being connected microprocessor (PD0, PB0) hold to the grid of switching tube four.

2. the operating circuit of a kind of Intelligent temp controlled summer sleeping mat according to claim 1, is characterized in that: described power supply unit adopts AC/DC power change-over circuit, for 220V alternating current being converted to the DC supply of thermoelectric cooling module.

3. according to the operating circuit of a kind of Intelligent temp controlled summer sleeping mat described in 2, it is characterized in that: the single-stage refrigerator 9501/071/030B of the large and pyromagnetic electronics in what described thermoelectric refrigerating unit adopted is Hangzhou.