CN101822585A - Electric heating bag capable of intelligently realizing explosion-proof control by using singlechip - Google Patents
Electric heating bag capable of intelligently realizing explosion-proof control by using singlechip Download PDFInfo
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- CN101822585A CN101822585A CN200910040335A CN200910040335A CN101822585A CN 101822585 A CN101822585 A CN 101822585A CN 200910040335 A CN200910040335 A CN 200910040335A CN 200910040335 A CN200910040335 A CN 200910040335A CN 101822585 A CN101822585 A CN 101822585A
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Abstract
The invention relates to an electric heating bag capable of intelligently realizing explosion-proof control by using a singlechip, which comprises a bag body and an electric heating body thereof, wherein the bag body is provided with a singlechip intelligent explosion-proof control device which comprises a singlechip, a voltage reducing and current limiting circuit, an electric heater control switch and a pressure sensing device; the singlechip is at least provided with a power connecting end, a pressure signal detection end and a heater control output end; the voltage reducing and current limiting circuit is connected with the power connecting end of the singlechip to supply required power to the singlechip; the pressure signal detection end of the singlechip is connected with the pressure sensing device; the electric heater control switch is connected in series between the heater control output end of the singlechip and the electric heating body; and the pressure sensing device is arranged on the bag body or a plug which can be touch-controlled when water pressure or air pressure in a bag cavity is higher than a preset value. The electric heating bag is intelligently controlled and protected by the singlechip when the water pressure or air pressure in the bag cavity is too high, is secure to use, does not need liquid injection when leaving a factory so as to save a water injection process and reduce packing and transportation cost, achieves intellectualized precision control and has the function of function expansion.
Description
Technical field
The present invention relates to the electrically heating bag technical field, especially a kind of electric heating bag that utilizes the control of single-chip microcomputer intelligently realizing explosion-proof.
Background technology
Existing electrically heating bag, its structure has generally comprised bag and electric heating body thereof, and bag is provided with a bag chamber, and the bag intracavity stores liquid, and electric heating body is immersed in the liquid; During heating, make liquid heating, for people's use of warming oneself by electric heating body.The electric heating bag of said structure, have the following disadvantages: (1) does not make the device of prompting or protection owing to bag intracavity water filling overfill is set on the bag, that is: excessive to bag intracavity hydraulic pressure, and the hydraulic pressure protector of making the prompting protection, therefore, product is when dispatching from the factory, and an amount of liquid generally can inject toward the bag intracavity earlier in producer, so that people can directly use; So the electric heating bag of traditional structure has not only increased water injection technology, influences working (machining) efficiency, and, brought great inconvenience for the packing of electric heating bag, transportation, increased packing and cost of transportation; Have, after electric heating bag used a period of time, user needed toward bag intracavity liquid make-up again; yet being subjected to not to be provided with on the bag hydraulic pressure protector influences, and the user liquid make-up is too much or too small; the capital influences the heating effect of electric heating bag, even electric heating bag is caused damage because of overvoltage.(2) existing electric heating bag, excessive for preventing bag inner chamber air pressure when heating, generally explosion-protection equipment can be installed on bag, as: switch contacts; During work, utilize the bag expanded by heating to touch switch contacts, switch contacts is cut off heater circuit, because switch contacts is serially connected on the heater circuit, and heater circuit directly is connected with external communication electricity power supply, therefore, pass to the switch contacts of alternating current, long-term adhesive or disconnection action are easy to generate the arcing phenomenon, have certain potential safety hazard; Have, the heater circuit of electric heating bag only by the mechanical type adhesive or the disconnection action control of contact beginning, is short of intelligentized control again.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art; and the electric heating bag that provides a kind of single-chip microcomputer intelligently realizing explosion-proof to control; this kind of electric heating bag is when bag chamber hydraulic pressure or air pressure are too high; can be by the protection of single-chip microcomputer Based Intelligent Control; need not perfusion fluid when having safe in utilization, product export, both saved water injection technology, can reduce packing and cost of transportation again; and reach intelligent accurately control, and the effect that possesses the function expansion.
The object of the present invention is achieved like this:
A kind of electric heating bag capable of intelligently realizing explosion-proof control by using singlechip, comprise bag and electric heating body thereof, bag has a bag chamber, the bag intracavity is provided with electric heating body, also be provided with single-chip microcomputer intelligently realizing explosion-proof control device on the described bag, single-chip microcomputer intelligently realizing explosion-proof control device includes single-chip microcomputer, the blood pressure lowering current-limiting circuit, electric heater gauge tap and pressure sensor device, at least has power connector end on the single-chip microcomputer, pressure signal test side and heater control output end, the blood pressure lowering current-limiting circuit links to each other with power connector end on the single-chip microcomputer, for single-chip microcomputer provides required power supply, pressure signal test side on the single-chip microcomputer is connected with pressure sensor device, be serially connected with the electric heater gauge tap between its heater control output end and the electric heating body, pressure sensor device be arranged on when the bag hydraulic pressure of intracavity or air pressure are higher than setting value can be by the bag of touch-control or plug on.This kind of electric heating bag, by single-chip microcomputer intelligently realizing explosion-proof control device is set on heater circuit, this explosion-proof control device comprises single-chip microcomputer, blood pressure lowering current-limiting circuit, electric electric heater gauge tap and pressure sensor device, single-chip microcomputer provides required low-voltage dc power supply by the blood pressure lowering current-limiting circuit, when the hydraulic pressure of bag intracavity or air pressure are higher than setting value, single-chip microcomputer is according to the detected signal of pressure sensor device, turn-off the electric heater gauge tap, forbid the electric heater heating, reach the explosive-proof protector effect, real realization is intelligent accurately to be controlled, and improves the safety of use; Moreover, because pressure sensor device has the effect that detects bag chamber hydraulic pressure, therefore, need not perfusion fluid during product export, can allow user oneself pour into, both saved water injection technology, can reduce packing and cost of transportation again; More have plenty of, single-chip microcomputer has the effect of function expansion, for the multi-functional required platform that provides is provided electric warming bag.
Purpose of the present invention can also adopt following technical measures to solve:
As the embodiment of the best, described electric heater gauge tap can be a controllable silicon, controllable silicon one foot ground connection, and two feet and tripod are connected between electric heater and the single-chip microcomputer heater control output end; During work, when the hydraulic pressure of bag intracavity or air pressure were higher than setting value, single-chip microcomputer was dealt with according to the detected signal of pressure sensor device, turn-offs controllable silicon, forbids the electric heater heating, reaches the explosive-proof protector effect; Controllable silicon has that cost is low, working stability and the accurate characteristics of control.
As the concrete mounting means of pressure (air pressure) sensing device, described bag is provided with between the sensing device disposal area that is communicated with the bag chamber, on pressure sensor device is installed between described sensing device disposal area, is provided with between the sensing device disposal area and can be subjected to bag chamber air pressure rising and the sensing device touch-control body of touch-control pressure sensor device; Bag is when heating, the air pressure of bag intracavity can increase thereupon, thereby promote sensing device touch-control body (or the sensing device touch-control bodily form is become), when bag intracavity air pressure reaches setting value, pressure sensor device is by sensing device touch-control body touch-control (closure), single-chip microcomputer obtains the overvoltage signal, thereby turn-offs controllable silicon, makes electric heater stop heating; When the air pressure of bag intracavity during less than setting value, pressure sensor device has lost the influence of sensing device touch-control body, and reset (disconnections), single-chip microcomputer obtains the normal pressure signal, thereby makes the controllable silicon connection, and electric heater reheats; The whole course of action of crossing pressure-controlled fully combines machinery control (touch-control) and Based Intelligent Control (machine controllable silicon), makes the explosion-proof control effect of (air pressure) overvoltage of electric heating bag better, and its enforcement is better.
Described pressure sensor device can be to comprise magnetic head and tongue tube, and their position is close mutually, and the pressure signal test side on tongue tube and the single-chip microcomputer electrically connects, and magnetic head is arranged on the sensing device touch-control body.During bag chamber overvoltage, magnetic head is driven by sensing device touch-control body, and near the tongue tube position, tongue tube is connected, and single-chip microcomputer obtains the overvoltage signal, turn-offs controllable silicon; On the contrary, if the bag cavity pressure is a normal pressure, magnetic head leaves tongue tube, and tongue tube disconnects, and single-chip microcomputer obtains the normal pressure signal, and controllable silicon is connected.
Described pressure sensor device also can be to comprise electric silica gel and PCB wiring board pressure switch, and on PCB wiring board pressure switch was installed between the sensing device disposal area, electric silica gel was arranged on the sensing device touch-control body; If bag chamber air pressure is excessive, electric silica gel is driven by sensing device touch-control body, and is connected to the pressure switch on the PCB wiring board, and the PCB wiring board is connected, and single-chip microcomputer obtains the overvoltage signal; On the contrary, if the bag cavity pressure is a normal pressure, electric silica gel leaves the pressure switch on the PCB wiring board, and the pressure switch on the PCB wiring board disconnects, and single-chip microcomputer obtains the normal pressure signal.
The frame mode of the pressure sensor device of above-mentioned vapour-pressure type can also have a variety ofly, enumerates no longer one by one here.
Described sensing device touch-control body can be silica gel thin film or skin spring or skin spring and push rod assembly thereof; They can influence by hard to bear bag cavity pressure, and deformation or promotion touch-control pressure sensor device.
As the concrete mounting means of hydraulic pressure pressure sensor device, described bag is provided with between the sensing device disposal area that is communicated with the bag chamber, on pressure sensor device was installed between described sensing device disposal area, the bag intracavity was provided with and raise and the sensing device touch-control ball float of touch-control pressure sensor device by bag chamber hydraulic pressure; That is: the bag intracavity is if water filling is too much, and ball float floats and promotes and the touch-control pressure sensor device, and single-chip microcomputer obtains the overvoltage signal, turn-offs controllable silicon; On the contrary, if the water filling of bag intracavity is normal, ball float is in normal position height, and single-chip microcomputer obtains the normal pressure signal, and controllable silicon is connected.
As the more specifically scheme of above-mentioned hydraulic pressure overvoltage protection, for push-down is connected, that is: bag intracavity hydraulic pressure raises between described sensing device touch-control ball float and the pressure sensor device, and ball float floats and makes push rod move the touch-control pressure sensor device; In addition, be connected if be set to break formula between ball float and the pressure sensor device, that is: ball float floats and makes to break with pressure sensor device and contact, and utilizes opposite signal to carry out the too high protection of hydraulic pressure; Moreover ball float is connected for breaking formula with pressure sensor device, can also swing to for bag and place charging; safeguard protection is provided, that is: bag is swung to placement, and ball float floats toward the another side level; and break and being connected of pressure sensor device, make the single-chip microcomputer acquired information, and make corresponding protection.
As the example of function expansion, described single-chip microcomputer intelligently realizing explosion-proof control device also includes temperature-sensitive head, nixie display, fuse and buzzer:
Temperature-sensitive head is arranged on a bag intracavity, and is connected with temperature signal collection end on the single-chip microcomputer, and during work, temperature-sensitive head is the intravital temperature information of collection bag in time, and relevant information is sent to single-chip microcomputer, is controlled in real time by single-chip microcomputer; Owing to the higher interior cavity temperature of temperature-sensing probe monitoring bag of employing degree of accuracy in the bag, and pass through Single-chip Controlling, thereby improved the degree of accuracy of electric heating bag temperature control; Moreover, temperature-sensing probe cooperates single-chip microcomputer, can the detected temperatures rate of rise speed of unit interval temperature rise (that is: detect), the too high judgement dry combustion method of the rate of rise, if the rate of rise is crossed low for explosion-protection equipment protection and fault, when detecting fault, can point out the user by additional prompt equipment (as: LED flash), except that the safety that improves its use, also can be in real time, show that to people bag adds thermal conditions intuitively; In addition, temperature-sensitive head is monitored cavity temperature in the bag as real-time, and related data in time is passed to the single-chip microcomputer with programmable features, and people in time reset the temperature control power-off protection by revising the single-chip microcomputer parameter, and the hommization that realization resets is controlled;
Nixie display is installed on the bag, and is connected with digital display end on the single-chip microcomputer, and fuse is serially connected on the electric heater, and buzzer is connected with buzzing outfan on the single-chip microcomputer; Single-chip microcomputer converts digital signal to by temperature-sensitive head sampling A/D, allows people can watch the real-time heating numerical value of electric heating bag more intuitively; Have, fuse is serially connected on the electric heater again, so that the electric heater overtemperature protection, buzzer is connected with buzzing outfan on the single-chip microcomputer, so that single-chip microcomputer appears in bag when setting warning prompt, and the prompting of in time sounding.
Single-chip microcomputer also can cooperate other function device, as: as described in single-chip microcomputer intelligently realizing explosion-proof control device also include many gears temperature button, gear link on many gears temperature control key and the single-chip microcomputer electrically connects; So that single-chip microcomputer can select to control each gear temperature value automatically, satisfy different instructions for uses.
The invention has the beneficial effects as follows:
(1), electric heating bag of the present invention, by single-chip microcomputer intelligently realizing explosion-proof control device is set on heater circuit, this explosion-proof control device includes single-chip microcomputer, the blood pressure lowering current-limiting circuit, electricity electric heater gauge tap and pressure sensor device, single-chip microcomputer provides required low-voltage dc power supply by the blood pressure lowering current-limiting circuit, when the hydraulic pressure of bag intracavity or air pressure are higher than setting value, single-chip microcomputer is according to the detected signal of pressure sensor device, turn-off the electric heater gauge tap, forbid the electric heater heating, reach the explosive-proof protector effect, real realization is intelligent accurately to be controlled, and improves the safety of use; Moreover, because pressure sensor device has the effect that detects bag chamber hydraulic pressure, therefore, need not perfusion fluid during product export, can allow user oneself pour into, both saved water injection technology, can reduce packing and cost of transportation again; More have plenty of, single-chip microcomputer has the effect of function expansion, for the multi-functional required platform that provides is provided electric warming bag;
(2) electric heating bag of said structure, utilize controllable silicon to make the electric heater gauge tap, its power supply is provided by the blood pressure lowering current-limiting circuit, during work, when the hydraulic pressure of bag intracavity or air pressure were higher than setting value, single-chip microcomputer turn-offed controllable silicon according to the detected signal of pressure sensor device, forbid the electric heater heating, reach the explosive-proof protector effect; Controllable silicon has that cost is low, working stability and the accurate characteristics of control;
(3) this kind of electric heating bag, its (air pressure) pressure sensor device is provided with between the pick off disposal area, bag is when heating, the air pressure of bag intracavity can increase thereupon, thereby promotes sensing device touch-control body (or the sensing device touch-control bodily form is become), when bag intracavity air pressure reaches setting value, pressure sensor device is by sensing device touch-control body touch-control (closure), single-chip microcomputer obtains the overvoltage signal, thereby turn-offs controllable silicon, makes electric heater stop heating; When the air pressure of bag intracavity during less than setting value, pressure sensor device has lost the influence of sensing device touch-control body, and reset (disconnection), single-chip microcomputer obtains the normal pressure signal, thereby controllable silicon is connected, the electric heater heating, the whole course of action of crossing pressure-controlled, fully combine machinery control (touch-control) and Based Intelligent Control (machine controllable silicon), make the explosion-proof control effect of overvoltage of electric heating bag better, its enforcement is better; Have, pressure sensor device can be selected magnetic head and tongue tube again, also can select electric silica gel and PCB wiring board pressure switch, and it equally can pressurized and by touch-control (closure), thereby the overvoltage signal is passed to single-chip microcomputer;
As the hydraulic pressure pressure sensor device, raise and the sensing device touch-control ball float of touch-control pressure sensor device by can be subjected to bag chamber hydraulic pressure in the setting of bag intracavity; That is: the bag intracavity is if water filling is too much, and ball float floats and promotes and the touch-control pressure sensor device, and single-chip microcomputer obtains the overvoltage signal, turn-offs controllable silicon; On the contrary, if the water filling of bag intracavity is normal, ball float is in normal position height, and single-chip microcomputer obtains the normal pressure signal, and controllable silicon is connected; Have again, if between sensing device touch-control ball float and the pressure sensor device for push-down is connected, that is: bag intracavity hydraulic pressure rising, ball float floats and makes push rod move the touch-control pressure sensor device; In addition, be connected if be set to break formula between ball float and the pressure sensor device, that is: ball float floats and makes to break with pressure sensor device and contact, and utilizes opposite signal to carry out the too high protection of hydraulic pressure; Moreover ball float is connected for breaking formula with pressure sensor device, can also swing to for bag and place charging, safeguard protection is provided, that is: bag is swung to placement, and ball float floats toward the another side level, and break and being connected of pressure sensor device, make the single-chip microcomputer acquired information, and make corresponding protection;
(4), this kind of electric heating bag, also include temperature-sensitive head, temperature-sensitive head is the intravital temperature information of collection bag in time, and relevant information is sent to single-chip microcomputer, is controlled in real time by single-chip microcomputer; Owing to the higher interior cavity temperature of temperature-sensing probe monitoring bag of employing degree of accuracy in the bag, and pass through Single-chip Controlling, thereby improved the degree of accuracy of electric heating bag temperature control; Moreover, temperature-sensing probe cooperates single-chip microcomputer, can the detected temperatures rate of rise speed of unit interval temperature rise (that is: detect), the too high judgement dry combustion method of the rate of rise, if the rate of rise is crossed low for explosion-protection equipment protection and fault, when detecting fault, can point out the user by additional prompt equipment (as: LED flash), except that the safety that improves its use, also can be in real time, show that to people bag adds thermal conditions intuitively; In addition, temperature-sensitive head is monitored cavity temperature in the bag as real-time, and related data in time is passed to the single-chip microcomputer with programmable features, and people in time reset the temperature control power-off protection by revising the single-chip microcomputer parameter, and the hommization that realization resets is controlled; More have plenty of, single-chip microcomputer also can cooperate other function device; As: many gears temperature control, buzzer etc., to expand its function, satisfy different instructions for uses.
Description of drawings
Fig. 1 is the electric heating bag capable of intelligently realizing explosion-proof control by using singlechip structural representation of invention;
Fig. 2 is the A place enlarged drawing of Fig. 1;
Fig. 3 is another embodiment sketch map of Fig. 2;
Fig. 4 is another structural representation of electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of invention;
Fig. 5 is the B place enlarged drawing of Fig. 4;
Fig. 6 is another embodiment sketch map of Fig. 5;
Fig. 7 is the circuit control principle block diagram of electric heating bag of the present invention;
Fig. 8 is that the circuit of Fig. 7 is controlled concrete enforcement figure.
The specific embodiment
Embodiment one: as Fig. 1 to Fig. 3, and Fig. 7 and shown in Figure 8, a kind of electric heating bag capable of intelligently realizing explosion-proof control by using singlechip, comprise bag 1 and electric heating body 2 thereof, bag 1 has bag chamber 3, bag is provided with electric heating body 2 in the chamber 3, also be provided with single-chip microcomputer intelligently realizing explosion-proof control device 4 on the described bag 1, single-chip microcomputer intelligently realizing explosion-proof control device 4 includes single-chip microcomputer 5, blood pressure lowering current-limiting circuit 6, electric heater gauge tap 7 and pressure sensor device 8, described electric heater gauge tap 7 can be a controllable silicon, single-chip microcomputer is MCU processor-SN8P2711, at least has power connector end 51 on the single-chip microcomputer 5, pressure signal test side 52 and heater control output end 53, blood pressure lowering current-limiting circuit 6 links to each other with power connector end 51 on the single-chip microcomputer 5, for single-chip microcomputer 5 provides required power supply, pressure signal test side 52 on the single-chip microcomputer 5 is connected with pressure sensor device 8, be serially connected with electric heater gauge tap 7 between its heater control output end 53 and the electric heating body 2, pressure sensor device 8 be arranged on when bag in the chamber 3 hydraulic pressure or air pressure be higher than when setting value can be by the bag 1 of touch-control on, or as shown in Figure 6, pressure sensor device 8 is provided with on the plug 9.
Example as the function expansion, described single-chip microcomputer intelligently realizing explosion-proof control device 4 also includes temperature-sensitive head 13, nixie display 14, fuse 15 and buzzer 16, temperature-sensitive head 13 is arranged in bag chamber 3, and be connected with temperature signal collection end 54 on the single-chip microcomputer, nixie display 14 is installed on the bag 1, and be connected with digital display end 55 on the single-chip microcomputer, fuse 15 is serially connected on the electric heater 2, and buzzer 16 is connected with buzzing outfan 56 on the single-chip microcomputer.
Described single-chip microcomputer intelligently realizing explosion-proof control device 4 also includes many gears temperature button 17, and the gear link 57 on many gears temperature control key 17 and the single-chip microcomputer electrically connects.
Operation principle: during bag 1 heating, gas pressure in the bag chamber 3 increases, and makes sensing device touch-control body 11 distortion or mobile, thereby drives magnetic head 81 near tongue tube 82, when the gas pressure in bag chamber 3 reaches the pressure set points of single-chip microcomputer 5, magnetic head 81 arrives tongue tube 82 optimum positions, and tongue tube 82 adhesives are connected, and single-chip microcomputer 5 detects the pressure correlation signal, cut off controllable silicon at once, electric heating body 2 is disconnected, stop heating, realize the effect of explosive-proof protector; When the gas pressure in the bag chamber 3 was lower than the pressure set points of single-chip microcomputer 5, sensing device touch-control body 11 slowly resetted, and made magnetic head 81 from tongue tube 82 positions, and tongue tube 82 is disconnected, single-chip microcomputer 5 detects coherent signal, and controllable silicon is switched at once, makes electric heating body 2 reply on-state again.
Embodiment two: as shown in Figure 3, be another embodiment of pressure sensor device 8 with detection bag chamber 3 internal gas pressures, this embodiment is identical with embodiment one, different only is, described pressure sensor device 8 is electric silica gel 83 and PCB wiring board pressure switch 84, PCB wiring board pressure switch 84 is installed between the sensing device disposal area last 10, and electric silica gel 83 is arranged on the sensing device touch-control body 11; If bag chamber 3 air pressure are excessive, electric silica gel 83 is driven by sensing device touch-control body 11, and is connected to the pressure switch 84 on the PCB wiring board, and the PCB wiring board is connected, and single-chip microcomputer 5 obtains the overvoltage signal; On the contrary, if bag chamber 3 internal pressures are normal pressure, electric silica gel 83 leaves the pressure switch 84 on the PCB wiring board, and the pressure switch 84 on the PCB wiring board disconnects, and single-chip microcomputer 5 obtains the normal pressure signal.
Embodiment three: as shown in Figure 4 and Figure 5, for pressure sensor device 8 to detect the too high embodiment of hydraulic pressure in the bag chamber 3, its structure is similar to embodiment one, difference only is, described bag 1 be provided with the sensing device disposal area that is communicated with, bag chamber 3 between 10, pressure sensor device 8 is installed between described sensing device disposal area on 10, is provided with in the bag chamber 3 raise and the sensing device touch-control ball float 12 of touch-control pressure sensor device 8 by bag chamber 3 hydraulic pressure.Be push-down or break the formula control connection between described sensing device touch-control ball float 12 and the pressure sensor device 8.
Operation principle: if water filling is too much, ball float 12 floats and promotes and touch-control pressure sensor device 8 in the bag chamber 3, and single-chip microcomputer 5 obtains the overvoltage signal, turn-offs controllable silicon; On the contrary, if water filling is normal in the bag chamber 3, ball float 12 is in normal position height, and single-chip microcomputer 5 obtains the normal pressure signal, and controllable silicon is connected; Moreover, being connected if be set to break formula between ball float 12 and the pressure sensor device 8, that is: ball float 12 floats and makes to break with pressure sensor device 8 and contact, and utilizes opposite signal to carry out the too high protection of hydraulic pressure; Perhaps; ball float 12 is connected for breaking formula with pressure sensor device 8; can also swing to for bag 1 and place charging; safeguard protection is provided; that is: bag 1 is swung to placement, and ball float 12 floats toward the another side levels, and breaks and being connected of pressure sensor device 8; make single-chip microcomputer 5 acquired informations, and make corresponding protection.
Claims (10)
1. electric heating bag capable of intelligently realizing explosion-proof control by using singlechip, comprise bag (1) and electric heating body (2) thereof, bag (1) has a bag chamber (3), be provided with electric heating body (2) in the bag chamber (3), it is characterized in that, also be provided with single-chip microcomputer intelligently realizing explosion-proof control device (4) on the described bag (1), single-chip microcomputer intelligently realizing explosion-proof control device (4) includes single-chip microcomputer (5), blood pressure lowering current-limiting circuit (6), electric heater gauge tap (7) and pressure sensor device (8), at least has power connector end (51) on the single-chip microcomputer (5), pressure signal test side (52) and heater control output end (53), blood pressure lowering current-limiting circuit (6) links to each other with power connector end (51) on the single-chip microcomputer (5), for single-chip microcomputer (5) provides required power supply, pressure signal test side (52) on the single-chip microcomputer (5) is connected with pressure sensor device (8), be serially connected with electric heater gauge tap (7) between its heater control output end (53) and the electric heating body (2), pressure sensor device (8) be arranged on when the hydraulic pressure in bag chamber (3) or air pressure be higher than when setting value can be by bag of touch-control (1) or plug (9) on.
2. according to the described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of claim 1, it is characterized in that described electric heater gauge tap (7) is a controllable silicon.
3. according to the described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of claim 2, it is characterized in that, described bag (1) is provided with between the sensing device disposal area that is communicated with bag chamber (3) (10), pressure sensor device (8) is installed between described sensing device disposal area on (10), and (10) are provided with and raise and the sensing device touch-control body (11) of touch-control pressure sensor device (8) by a bag chamber (3) air pressure between the sensing device disposal area.
4. according to the described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of claim 3, it is characterized in that, described pressure sensor device (8) includes magnetic head (81) and tongue tube (82), their position is close mutually, pressure signal test side (52) on tongue tube (82) and the single-chip microcomputer (5) electrically connects, and magnetic head (81) is arranged on the sensing device touch-control body (11).
5. according to the described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of claim 3, it is characterized in that, described pressure sensor device (8) is electric silica gel (83) and PCB wiring board pressure switch (84), PCB wiring board pressure switch (84) is installed in and goes up (10) between the sensing device disposal area, and electric silica gel (83) is arranged on the sensing device touch-control body (11).
6. according to the described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of claim 5, it is characterized in that described sensing device touch-control body (11) is silica gel thin film or skin spring or skin spring and push rod assembly thereof.
7. according to the described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of claim 2, it is characterized in that, described bag (1) is provided with between the sensing device disposal area that is communicated with bag chamber (3) (10), pressure sensor device (8) is installed between described sensing device disposal area on (10), is provided with in the bag chamber (3) raise and the sensing device touch-control ball float (12) of touch-control pressure sensor device (8) by a bag chamber (3) hydraulic pressure.
8. according to the described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of claim 7, it is characterized in that, be push-down or break the formula control connection between described sensing device touch-control ball float (12) and the pressure sensor device (8).
9. according to claim 4 or 5 or 7 described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip, it is characterized in that, described single-chip microcomputer intelligently realizing explosion-proof control device (4) also includes temperature-sensitive head (13), nixie display (14), fuse (15) and buzzer (16), temperature-sensitive head (13) is arranged in bag chamber (3), and be connected with temperature signal collection end (54) on the single-chip microcomputer, nixie display (14) is installed on the bag (1), and be connected with digital display end (55) on the single-chip microcomputer, fuse (15) is serially connected on the electric heater (2), and buzzer (16) is connected with buzzing outfan (56) on the single-chip microcomputer.
10. according to the described electric heating bag capable of intelligently realizing explosion-proof control by using singlechip of claim 9, it is characterized in that, described single-chip microcomputer intelligently realizing explosion-proof control device (4) also includes many gears temperature button (17), and the gear link (57) on many gears temperature control key (17) and the single-chip microcomputer electrically connects.
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| CN2009100403355A CN101822585B (en) | 2009-06-16 | 2009-06-16 | Electric heating bag capable of intelligently realizing explosion-proof control by using singlechip |
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| CN2009100403355A CN101822585B (en) | 2009-06-16 | 2009-06-16 | Electric heating bag capable of intelligently realizing explosion-proof control by using singlechip |
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| CN105004097A (en) * | 2014-12-06 | 2015-10-28 | 戴维峰 | Digital-display temperature and pressure control refrigeration and heating multifunctional device |
| CN108696955A (en) * | 2017-04-10 | 2018-10-23 | 佛山市顺德区美的电热电器制造有限公司 | For the boilers from drying burning judgment method of electric cooking pot, device and electric cooking pot |
| RU2770776C1 (en) * | 2021-04-12 | 2022-04-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Device for pressure stabilization at the reception of an electric submersible pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4201218A (en) * | 1978-12-22 | 1980-05-06 | Berman Philip G | Therapeutic heat application |
| CN2721053Y (en) * | 2004-02-24 | 2005-08-31 | 陈仁智 | Automatic temperature regulating safety electrothermal water bag |
| CN201029979Y (en) * | 2007-05-28 | 2008-03-05 | 邓建威 | Touch control type explosion-proof electric hot-water bag |
| CN201422951Y (en) * | 2009-06-16 | 2010-03-17 | 邓建威 | Intelligent anti-explosion control electric-heating bag of MCU (micro controller unit) |
-
2009
- 2009-06-16 CN CN2009100403355A patent/CN101822585B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102614042A (en) * | 2012-04-09 | 2012-08-01 | 佛山市顺德区美美创新电器有限公司 | Safety hand warmer |
| CN105004097A (en) * | 2014-12-06 | 2015-10-28 | 戴维峰 | Digital-display temperature and pressure control refrigeration and heating multifunctional device |
| CN108696955A (en) * | 2017-04-10 | 2018-10-23 | 佛山市顺德区美的电热电器制造有限公司 | For the boilers from drying burning judgment method of electric cooking pot, device and electric cooking pot |
| CN108696955B (en) * | 2017-04-10 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Pot dry-cooking judgment method and device for electric cooker and electric cooker |
| RU2770776C1 (en) * | 2021-04-12 | 2022-04-21 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Уфимский государственный нефтяной технический университет" | Device for pressure stabilization at the reception of an electric submersible pump |
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| Publication number | Publication date |
|---|---|
| CN101822585B (en) | 2012-02-08 |
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Assignee: Foshan Shunde District Meimei Innovation Electrical Appliance Co., Ltd. Assignor: Deng Jianwei Contract record no.: 2012440000380 Denomination of invention: Electric heating bag capable of intelligently realizing explosion-proof control by using singlechip Granted publication date: 20120208 License type: Exclusive License Open date: 20100908 Record date: 20120711 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20120208 Termination date: 20180616 |