CN104571196A - Time and temperature controllable electric heating pipe - Google Patents
Time and temperature controllable electric heating pipe Download PDFInfo
- Publication number
- CN104571196A CN104571196A CN201410076714.0A CN201410076714A CN104571196A CN 104571196 A CN104571196 A CN 104571196A CN 201410076714 A CN201410076714 A CN 201410076714A CN 104571196 A CN104571196 A CN 104571196A
- Authority
- CN
- China
- Prior art keywords
- temperature
- comparer
- output
- time
- electric heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses a time and temperature controllable electric heating pipe which includes a guide line (1), an electric heating pipe (2), a relay (3), a control module (4) and a temperature sensor (5), wherein the guide line (1) is used for power connection and connected with the control module (4); the control module (4) is provided with a time and temperature adjustment device; the circuit configuration of the time and temperature controllable electric heating pipe includes a firewire (high potential) input end (7) and a null line (ground wire) input end (6), both of which are connected through the guide line (1); the temperature sensor (5) is a thermocouple sensor, a resistance transducer with a positive temperature coefficient or a resistance transducer with a negative temperature coefficient. Compared with the prior art, the time and temperature controllable electric heating pipe provided by the invention has the advantages that the heating temperature and time can be controlled; the heating efficiency is improved to meet different heating temperature requirements; the electric heating pipe reduces energy consumption and is simple to implement.
Description
Technical field
The present invention relates to electric heating equipment field, particularly relate to the electric heating tube of a kind of time and temperature-controllable.
Background technology
Electrothermal tube is special is the electric elements of heat energy by electric energy conversion, due to its low price, easy to use, easy for installation, pollution-free, is widely used in various heating occasion.Electrothermal tube is a kind of conventional electric heater unit in daily life, is generally used for the heating such as thermos.Usual electrothermal tube typical structure is generally made up of parts such as insulator, joint filling material, eduction rod, inserts, heating wire, protective metal shell pipe, terminals.But common heating tube just heats liquid simply, the temperature of heating liquid, heat time are not controlled.Such shortcoming is apparent: the heat time can not control, and causes over-heating, and liquid may be dryouied causes heating tube dry combustion method, even damages heating tube; Heating-up temperature can not control, and can not meet the needs of different heating temperature, or heating liquid temperature is too high, causes the wasting of resources.
Summary of the invention
For the problems referred to above that prior art exists, the present invention proposes the electric heating tube of a kind of time and temperature-controllable, to solve the problem.
To achieve these goals, the present invention adopts following technical scheme:
An electric heating tube for time and temperature-controllable, comprises wire 1, electrothermal tube 2, relay 3; The controllable electric heating tube of described temperature and time also comprises control module 4 and temperature sensor 5; Described wire 1 for switching on power, described wire 1 link control module 4, being provided with of described control module 4 regulates the device of temperature and time; Described temperature sensor 5 comprises measuring junction 501, and described measuring junction 501 must be flooded by the liquid that will heat.
Described temperature sensor 5 is thermocouple sensor or electric resistance sensor.Described temperature sensor 5 is the electric resistance sensor of positive temperature coefficient (PTC) or the electric resistance sensor of negative temperature coefficient.
The circuit structure of the electric heating tube that described temperature and time is controlled comprises live wire (noble potential) input end 7, zero line (ground wire) input end 6; Described input end 6 is connected by wire 1 with zero line input end 6 with live wire input end 7; Described control module 4 must be connected with live wire (noble potential) input end 7.
Described control module 4 comprises ginseng first and examines voltage input end 401, second reference voltage input terminal 402, temperature sensor signal input end 403, first temp control switch 405, second temp control switch 406, comparer 407 and comparer 408, timing module 409, logic module output 410 and output terminal 404; Described first reference voltage input terminal 401 and described second reference voltage input terminal 402 are connected to the positive input of described comparer 407 and described comparer 408 respectively; The voltage signal of described temperature sensor is connected to the inverting input of described comparer 407 and described comparer 408 respectively by described first temp control switch 405 and described second temp control switch 406 by input end 403; The output signal of described comparer 407, described comparer 408 and described timing module 409 inputs to described logic module output 410; The output signal of logic module output 410 is exported by described output terminal 404.
Described control module 4 comprises ginseng first and examines voltage input end 401, second reference voltage input terminal 402, the equivalent resistance 403 ' of temperature sensor, divider resistance 404 ', the first temp control switch 405, second temp control switch 406, comparer 407 and comparer 408, timing module 409, logic module output 410 and output terminal 411; Described first reference voltage input terminal 401 and described second reference voltage input terminal 402 are connected to the positive input of described comparer 407 and described comparer 408 respectively; Described temperature sensor equivalent resistance 403 ' termination power vd D, divider resistance 404 ' described in another termination, the other end ground connection of described divider resistance 404 '; One end that described temperature sensor equivalent resistance 403 ' is connected with divider resistance 404 ' is connected to the inverting input of described comparer 407 and described comparer 408 respectively by described first temp control switch 405 and described second temp control switch 406; The output signal of described comparer 407, described comparer 408 and described timing module 409 inputs to described logic module output 410; The output signal of logic module output 410 is exported by described output terminal 411.
Described first temp control switch 405 and described second temp control switch 406 are mechanical switch; Also comprise timing module 409 in described control module, described timing module 409 is simple mechanical timing structure, exports electric signal.
Relative to described logic module output 410, described comparer 407, described comparer 408 and described timing module 409 input to the relation for logical "and" between described logic module output 410 signal; That is: as long as their any one output of described comparer 407, described comparer 408 and described timing module 409 is low level, their output signals just can make the described output terminal 404 of described logic module output 410 control electrothermal tube 2 power-off by relay 3, stop heating; Described logic module output 410 is common logical circuit; Described logic module output 410 is 3 inputs and door.
Compared with prior art, the present invention has the following advantages:
The heating tube that a kind of timing constant temperature of the present invention controls, can control the temperature and time of heating.Improve the efficiency of heating, meet the demand of different heating temperature, save energy consumption, and implementation is simple.
Accompanying drawing explanation
Fig. 1 is the electric heating tube schematic appearance of a kind of time of proposing of the present invention and temperature-controllable.
Fig. 2 is the electrical block diagram that the present invention proposes the electric heating tube of a kind of time and temperature-controllable.
Fig. 3 is the schematic diagram (thermocouple sensor) that the present invention proposes control module in the electric heating tube circuit structure of a kind of time and temperature-controllable.
Fig. 4 is the schematic diagram (electric resistance sensor) that the present invention proposes control module in the electric heating tube circuit structure of a kind of time and temperature-controllable.
Embodiment
Do to illustrate in detail, intactly further to the present invention below in conjunction with embodiment and accompanying drawing.
The electric heating tube schematic appearance that the temperature and time that the present invention proposes as shown in Figure 1 can control.This heating tube comprises wire 1, electrothermal tube 2, relay 3, control module 4 and temperature sensor 5.
The course of work is specially: wire 1 switches on power, and the temperature and time of regulable control module 4 is arranged, and regulable control module 4 starts heating to heating tube 2 power supply by pilot relay 3.The measuring junction 501 of simultaneous temperature sensor 5 must be flooded by the liquid that will heat, so that measuring tempeature.If heating-up temperature or time reach default requirement, heating stops.Here temperature sensor 5 is thermocouple sensor.Temperature transition can be that voltage signal exports by thermocouple sensor.
The circuit structure of heating tube as shown in Figure 2, comprises live wire (noble potential) input end 7, zero line (ground wire) input end 6, electrothermal tube 2, control module 4 and temperature sensor 5.Live wire input end 7 is connected by the wire 1 in Fig. 1 with zero line input end 6.It is pointed out that control module 4 must be connected on the side of live wire (noble potential) input end 7.The benefit done like this is: if wire 1 switches on power, and control module 4 can disconnect the connection of electrothermal tube 2 and temperature sensor 5 and live wire, to reduce the risk of getting an electric shock or leaking electricity.Circuit structure also should comprise necessary voltage transformation module (such as: direct current delivers stream) and relay 3, and they do not draw in circuit structure diagram shown in Fig. 2.
When temperature sensor is thermocouple sensor, the control module schematic diagram in circuit structure as shown in Figure 3.Comprise the first reference voltage input terminal 401, second reference voltage input terminal 402, temperature sensor signal input end 403, first temp control switch 405, second temp control switch 406(switch here 405,406 for mechanical switch, can manually arrange), comparer 407 and comparer 408, timing module 409, logic module output 410 and output terminal 404.First reference voltage input terminal 401, second reference voltage input terminal 402 is connected to the positive input connecing comparer 407 and comparer 408 respectively; The voltage signal of temperature sensor is connected to the inverting input of comparer 407 and comparer 408 respectively by the first temp control switch 405 and the second temp control switch 406 by input end 403; The output signal of comparer 407, comparer 408 and timing module 409 inputs to logic module output 410.The output signal of logic module output 410 is exported by output terminal 404.
The course of work is as follows: temperature sensor 5(thermocouple sensor) be that voltage signal inputs to comparer by temperature sensor signal input end 403 by the temperature inversion of liquid.First temp control switch 405 or the second temp control switch 406 is manually set, makes comparer 407 or comparer 408 cut-in operation state.And the first reference voltage input terminal 401 and the second reference voltage input terminal 401 connect different reference voltages, for two different temperatures of tracer liquid.Can set temperature state be such as difference high-temperature temperature state or cryogenic temperature state, their correspondences arrange two different reference voltages.Suppose the reference voltage level of the corresponding cryogenic temperature state of the first reference voltage input terminal 401, the reference voltage level of the corresponding high-temperature temperature state of the second reference voltage input terminal 402, when the first temp control switch 405 is set to connect, second temp control switch 406 is set to disconnect, now electrothermal tube is operated in low-temperature condition, if liquid is heated above default cryogenic temperature, by temperature sensor 5(thermocouple sensor) detected temperatures transform voltage will be greater than the magnitude of voltage of the first reference voltage input terminal 401, comparer 407 by export low level signal to logic module output 410, the output terminal 404 of logic module output 410 controls electrothermal tube 2 by relay 3 and stops heating.Hot operation process and above-mentioned low-temperature working process similar, difference is to be arranged on the first temp control switch 405 and is set to disconnect, and the second temp control switch 406 is set to connect.Such high temperature and the difference of low temperature arrange the demand that can meet people and heat for different liquids.If the water of such as heating will be drunk and can be arranged on the condition of high temperature, water can be boiled; If the water heated only is used to wash one's face and rinse one's mouth, only low-temperature condition need be arranged on.Arranging like this can reduce power consumption, saving resource.It should be noted that the first temp control switch 405 and the second temp control switch 406 can not be opened simultaneously, be operated in unsure state to avoid heating tube.
When temperature sensor is electric resistance sensor, the control module schematic diagram in circuit structure as shown in Figure 4.Here be only the equivalent resistance 403 ' (here temperature sensor can equivalence be considered as a temperature variant resistance) of temperature sensor with the difference of Fig. 3, also need divider resistance 404 ' in addition.Temperature sensor 403 ' (being equivalent to resistance here) one termination power vd D, another termination divider resistance 404 ', the other end ground connection of divider resistance 404.Remainder is identical with Fig. 3.
The course of work is as follows: temperature sensor 5(is here for the electric resistance sensor of negative temperature coefficient) by the temperature inversion resistance value 403 ' of liquid, after this resistance is connected with divider resistance 404 ', be connected to comparer by the first temp control switch 405 and the second temp control switch 406.That is: power vd D dividing potential drop after divider resistance 404 ' is connected with the equivalent resistance of temperature sensor 5, the partial pressure value on divider resistance 404 ' inputs to comparer.
First temp control switch 405 or the second temp control switch 406 is manually set, makes comparer 407 or comparer 408 cut-in operation state.And the first reference voltage input terminal 401 and the second reference voltage input terminal 401 connect different reference voltages, for two different temperatures of tracer liquid.Can set temperature state be such as difference high-temperature temperature state or cryogenic temperature state, their correspondences arrange two different reference voltages.Suppose the reference voltage level of the corresponding cryogenic temperature state of the first reference voltage input terminal 401, the reference voltage level of the corresponding high-temperature temperature state of the second reference voltage input terminal 402, when the first temp control switch 405 is set to connect, second temp control switch 406 is set to disconnect, now electrothermal tube is operated in low-temperature condition, if liquid is heated above default cryogenic temperature, electric resistance sensor from temperature sensor 5(negative temperature coefficient) resistance of resistance 403 ' that is converted into of detected temperatures becomes the resistance of little resistance from large valued resistor, divider resistance 404 ' partial pressure value inputs to comparer.Divider resistance 404 ' partial pressure value will be greater than the magnitude of voltage of the first reference voltage input terminal 401, and comparer 407 is by the low level signal of output to logic module output 410, and the output terminal 411 of logic module output 410 controls electrothermal tube 2 by relay 3 and stops heating.Hot operation process and above-mentioned low-temperature working process similar, difference is to be arranged on the first temp control switch 405 and is set to disconnect, and the second temp control switch 406 is set to connect.Such high temperature and the difference of low temperature arrange the demand that can meet people and heat for different liquids.If the water of such as heating will be drunk and can be arranged on the condition of high temperature, water can be boiled; If the water heated only is used to wash one's face and rinse one's mouth, only low-temperature condition need be arranged on.Arranging like this can reduce power consumption, saving resource.It should be noted that the first temp control switch 405 and the second temp control switch 406 can not be opened simultaneously, be operated in unsure state to avoid heating tube.
If when temperature sensor 5 is the electric resistance sensor of positive temperature coefficient (PTC), need to adjust accordingly circuit.Here be not just described in detail.
In addition, also have timing module 409 in control module, this module is simple mechanical timing structure, exports electric signal.As required, can be set the heat time of liquid.
Relative to logic module output 410, comparer 407 and comparer 408, timing module 409 input to the relation for logical "and" between logic module output 410 signal.That is: if comparer 407 and comparer 408, timing module 409 their arbitrary one export as low level, their output signals just can make logic module output 410 output terminal 404 control electrothermal tube 2 by relay 3 to stop heating.Here logic module output 410 is common logical circuit, can be the most simply 3 inputs and door.
Realize the control of the temperature and time of heating tube by above-mentioned process, the final power consumption reducing whole system, improve job stability.
Claims (7)
1. an electric heating tube for time and temperature-controllable, comprises wire (1), electrothermal tube (2), relay (3), it is characterized in that: the controllable electric heating tube of described temperature and time also comprises control module (4) and temperature sensor (5); Described wire (1) for switching on power, described wire (1) link control module (4), being provided with of described control module (4) regulates the device of temperature and time; Described temperature sensor (5) comprises measuring junction (501), and described measuring junction (501) must be flooded by the liquid that will heat.
2. the electric heating tube of a kind of time as claimed in claim 1 and temperature-controllable, is characterized in that: described temperature sensor (5) is thermocouple sensor or electric resistance sensor.The electric resistance sensor that described temperature sensor (5) is positive temperature coefficient (PTC) or the electric resistance sensor of negative temperature coefficient.
3. the electric heating tube of a kind of time as claimed in claim 1 and temperature-controllable, is characterized in that: the circuit structure of the controllable electric heating tube of described temperature and time comprises live wire (noble potential) input end (7), zero line (ground wire) input end (6); Described input end (6) is connected by wire (1) with zero line input end (6) with live wire input end (7); Described control module (4) must be connected with live wire (noble potential) input end (7).
4. the electric heating tube of a kind of time as claimed in claim 1 and temperature-controllable, is characterized in that: described control module (4) comprises ginseng first and examines voltage input end (401), the second reference voltage input terminal (402), temperature sensor signal input end (403), the first temp control switch (405), the second temp control switch (406), comparer (407) and comparer (408), timing module (409), logic module output (410) and output terminal (404); Described first reference voltage input terminal (401) and described second reference voltage input terminal (402) are connected to the positive input of described comparer (407) and described comparer (408) respectively; The voltage signal of described temperature sensor is connected to the inverting input of described comparer (407) and described comparer (408) respectively by described first temp control switch (405) and described second temp control switch (406) by input end (403); The output signal of described comparer (407), described comparer (408) and described timing module (409) inputs to described logic module output (410); The output signal of logic module output (410) is exported by described output terminal (404).
5. the electric heating tube of a kind of time as claimed in claim 1 and temperature-controllable, is characterized in that: described control module (4) comprises ginseng first and examines voltage input end (401), the second reference voltage input terminal (402), the equivalent resistance (403 ') of temperature sensor, divider resistance (404 '), the first temp control switch (405), the second temp control switch (406), comparer (407) and comparer (408), timing module (409), logic module output (410) and output terminal (411); Described first reference voltage input terminal (401) and described second reference voltage input terminal (402) are connected to the positive input of described comparer (407) and described comparer (408) respectively; Described temperature sensor equivalent resistance (403 ') termination power vd D, divider resistance (404 ') described in another termination, the other end ground connection of described divider resistance (404 '); One end that described temperature sensor equivalent resistance (403 ') is connected with divider resistance (404 ') is connected to the inverting input of described comparer (407) and described comparer (408) respectively by described first temp control switch (405) and described second temp control switch (406); The output signal of described comparer (407), described comparer (408) and described timing module (409) inputs to described logic module output (410); The output signal of logic module output (410) is exported by described output terminal (411).
6. a kind of time as described in claim 4 or 5 and the electric heating tube of temperature-controllable, is characterized in that: described first temp control switch (405) and described second temp control switch (406) are mechanical switch; Also comprise timing module (409) in described control module, described timing module (409) is simple mechanical timing structure, exports electric signal.
7. the electric heating tube of a kind of time as claimed in claim 6 and temperature-controllable, it is characterized in that: relative to described logic module output (410), described comparer (407), described comparer (408) and described timing module (409) input to the relation for logical "and" between described logic module output (410) signal; That is: as long as their any one output of described comparer (407), described comparer (408) and described timing module (409) is low level, their output signals just can make the described output terminal (404) of described logic module output (410) control electrothermal tube (2) power-off by relay (3), stop heating; Described logic module output (410) is common logical circuit; Described logic module output (410) is 3 inputs and door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076714.0A CN104571196B (en) | 2014-03-04 | 2014-03-04 | A kind of time and the electric heating tube of temperature-controllable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410076714.0A CN104571196B (en) | 2014-03-04 | 2014-03-04 | A kind of time and the electric heating tube of temperature-controllable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104571196A true CN104571196A (en) | 2015-04-29 |
| CN104571196B CN104571196B (en) | 2018-01-12 |
Family
ID=53087516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410076714.0A Active CN104571196B (en) | 2014-03-04 | 2014-03-04 | A kind of time and the electric heating tube of temperature-controllable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104571196B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2258127A (en) * | 1991-07-18 | 1993-01-27 | Keith John Robert Bruce | Glass tube enclosed immersion heater |
| CN2174227Y (en) * | 1993-12-28 | 1994-08-17 | 北京市顺联电子仪器厂 | Electronic temperature-controlling humidifier |
| US5905849A (en) * | 1996-11-27 | 1999-05-18 | Sanritsu Electric Co., Ltd. | Underwater heater for aquarium |
| CN201034383Y (en) * | 2007-04-09 | 2008-03-12 | 谭文胜 | High-fidelity overheating protection circuit for electric water heater |
| CN201341249Y (en) * | 2009-01-04 | 2009-11-04 | 韩萱 | Intelligent immersion heater |
| CN101865733A (en) * | 2009-04-14 | 2010-10-20 | 凹凸电子（武汉）有限公司 | Temperature sensing circuit, method and electronic system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828539B2 (en) * | 1978-06-09 | 1983-06-16 | セイコーインスツルメンツ株式会社 | temperature detection device |
-
2014
- 2014-03-04 CN CN201410076714.0A patent/CN104571196B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2258127A (en) * | 1991-07-18 | 1993-01-27 | Keith John Robert Bruce | Glass tube enclosed immersion heater |
| CN2174227Y (en) * | 1993-12-28 | 1994-08-17 | 北京市顺联电子仪器厂 | Electronic temperature-controlling humidifier |
| US5905849A (en) * | 1996-11-27 | 1999-05-18 | Sanritsu Electric Co., Ltd. | Underwater heater for aquarium |
| CN201034383Y (en) * | 2007-04-09 | 2008-03-12 | 谭文胜 | High-fidelity overheating protection circuit for electric water heater |
| CN201341249Y (en) * | 2009-01-04 | 2009-11-04 | 韩萱 | Intelligent immersion heater |
| CN101865733A (en) * | 2009-04-14 | 2010-10-20 | 凹凸电子（武汉）有限公司 | Temperature sensing circuit, method and electronic system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104571196B (en) | 2018-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201845243U (en) | Temperature controller | |
| CN104582041B (en) | What automatically power off anti-dry adds heat pipe | |
| CN101847022B (en) | Temperature controller | |
| CN101520229A (en) | Device for generating hot water, boiling water and vapor by intermediate frequency and variable frequency induction heating metal pipes | |
| CN203775427U (en) | Controllable electric heating tube | |
| CN103512198A (en) | Control system of electric water heater | |
| CN203775439U (en) | Anti-parching heating tube | |
| CN203775428U (en) | Time and temperature setting controlled heating tube | |
| CN104571196A (en) | Time and temperature controllable electric heating pipe | |
| CN201479393U (en) | Circuit by utilizing bi-directional silicon controlled rectifier to control MCH heating body | |
| CN206100524U (en) | Magnetron fan integrated device of microwave oven | |
| CN109358672A (en) | A kind of low-temperature heating system, header box and photovoltaic generating system | |
| CN203584779U (en) | Water pump anti-freezer | |
| CN203480335U (en) | PTC/NTC double-temperature-control control device | |
| CN207516802U (en) | A kind of middle frequency furnace power control system | |
| CN105135699A (en) | IOT (Internet of Things)-based electric water heating and effluent water thermostatic control system | |
| CN105953438B (en) | A kind of dual-purpose electric heater of caravan | |
| CN204794017U (en) | Circuit with from power -off protection | |
| CN204794016U (en) | Simple is overheated from cutting off power supply circuit | |
| CN204423201U (en) | Energy-saving DC electric electric heater unit on shoes making machine | |
| CN102748877A (en) | Novel household water heater | |
| CN207652836U (en) | Intelligent drip-irrigation switch board | |
| CN102570790A (en) | Low-temperature starting method for wind power current transformer | |
| CN212537981U (en) | Heating system for heating table | |
| CN2927584Y (en) | Electric heater for household electrical appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |