CN100529578C - Warm air blower - Google Patents
Warm air blower Download PDFInfo
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- CN100529578C CN100529578C CNB2006101547514A CN200610154751A CN100529578C CN 100529578 C CN100529578 C CN 100529578C CN B2006101547514 A CNB2006101547514 A CN B2006101547514A CN 200610154751 A CN200610154751 A CN 200610154751A CN 100529578 C CN100529578 C CN 100529578C
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- burner
- tds
- control
- temperature detect
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Abstract
A water air device consists of burner, gas inlet pipe connected with burner and control circuit including fan, solenoid valve set in gas inlet pipe, time relay and temperature control switch of burner. It is featured as utilizing time relay and temperature control switch of burner to control on/off state of fan and solenoid valve for achieving purpose of temperature control on warm air.
Description
Technical field
The present invention relates to a kind of warm-air drier, be specifically related to a kind of combustion fluid gasification or natural gas to give off the warm-air drier of hot blast.
Background technology
Chinese patent bulletin CN2580350 discloses a kind of fuel-firing gas-firing air-heater, and single-piece frame inside is divided into air-supply arrangement, heat-exchanger rig and control system and forms: wherein air-supply arrangement is made up of blower fan, motor, fresh wind port, return air inlet (can add return fan) and air outlet; Heat-exchanger rig is made up of burner, combustion chamber and heat exchanger, and burner is installed on the combustion chamber, and heat exchanger and combustion chamber join together; Control system is made up of temperature controller, temperature protector, alarm, fan switch and electric burner switch, and temperature controller is connected with burner by the burner switch, and temperature protector is connected with burner and alarm.The significant disadvantage of this kind air-heater is that heat exchanger need be set, and has reduced efficient, can not stop heat supply automatically or start heat supply according to the environment temperature of setting simultaneously, can not implement control by control devices such as remote controls, uses inconvenience.
Summary of the invention
Technical problem to be solved by this invention provides the warm-air drier that a kind of directly electricity starts and need not to be provided with heat exchanger.
The technical scheme that solves problem proposed by the invention is: a kind of warm-air drier, the gas inlet pipe road and the control circuit that comprise burner, communicate with burner; Described control circuit comprises blower fan and the magnetic valve that is arranged in the gas inlet pipe road; Its design feature is: described control circuit also comprises the time relay and burner temperature detect switch (TDS); The control output end of the time relay is used for controlling the on/off of blower fan and magnetic valve in limited time, when described control circuit and external power supply begin to connect, the control output end of the described time relay keeps channel status so that burner takes fire in the default time, and the control output end of the described time relay keeps off state after Preset Time; The switch control end of burner temperature detect switch (TDS) also is used to control the on/off of blower fan and magnetic valve; After the temperature detection end of burner temperature detect switch (TDS) was used for recording burner and takes fire, the switch control end of burner temperature detect switch (TDS) can make blower fan and magnetic valve energising.
Warm-air drier also has manual ignition device or ignition, and the control output end of the described time relay can be controlled the on/off of ignition in limited time.
Described control circuit also has the environment temperature detect switch (TDS); The switch control end of described environment temperature detect switch (TDS) is used for the power supply of control point firearm, blower fan, magnetic valve and burner temperature detect switch (TDS), after the temperature detection end of environment temperature detect switch (TDS) records environment temperature and reaches preset temperature, the switch control end of environment temperature detect switch (TDS) can be controlled blower fan and magnetic valve outage, and warm-air drier is quit work; After the temperature detection end of environment temperature detect switch (TDS) recorded environment temperature and is lower than preset temperature, the switch control end of environment temperature detect switch (TDS) can make blower fan and magnetic valve switch on again, and warm-air drier is reworked.
Described control circuit also has gas leak detector, is used for after recording the environment gas concentration and exceeding standard the control output end of gas leak detector control blower fan and magnetic valve outage.
Control circuit also has remote-controlled power switch, and the power supply of described control circuit can be controlled in the control output end of remote-controlled power switch; The control output end of power switch and remote-controlled power switch is in series.
The present invention has positive effect:
(1) control circuit of warm-air drier of the present invention comprises the time relay, because the used time relay can guarantee to keep the power supply of channel status with cut-in point firearm and magnetic valve in the time that presets, make igniter keep the sparking state, thereby light the fuel gas that enters burner, so that burner takes fire; After the temperature detection end of burner temperature detect switch (TDS) records burner and takes fire, and make blower fan and magnetic valve continue energising, so even the used time relay keeps off state after Preset Time, warm-air drier also can be in steady-working state under the effect of burner temperature detect switch (TDS).Owing to adopt this structural design, can remedy the defective that needs of the prior art manually boot, directly can start warm-air drier by electricity, have advantage easy to use.
(2) control circuit of warm-air drier of the present invention comprises the environment temperature detect switch (TDS), can stop heat supply automatically or start heat supply according to the environment temperature of setting.
(3) control circuit of warm-air drier of the present invention comprises remote-controlled power switch, can implement control by remote control, and is easy to use.
(4) control circuit of warm-air drier of the present invention comprises gas leak detector, can improve safe in utilization.
Description of drawings
Fig. 1 is the circuit theory diagrams of warm-air drier control circuit of the present invention.
Fig. 2 is the another kind of circuit theory diagrams of warm-air drier control circuit of the present invention.
Reference numeral is: power switch 1, remote-controlled power switch 2, the control output end 2-1 of remote-controlled power switch, gas leak detector 3, the control output end 3-1 of gas leak detector, environment temperature detect switch (TDS) 4, the control output end 4-1 of environment temperature detect switch (TDS), the time relay 5, control output end 5-1, the 5-2 of the time relay, igniter 6, blower fan 7, magnetic valve 8, the temperature detection end 11 of burner temperature detect switch (TDS), burner temperature detect switch (TDS) 14, the switch control end 14-1 of burner temperature detect switch (TDS), the temperature detection end 15 of environment temperature detect switch (TDS).
The specific embodiment
(embodiment 1)
The gas inlet pipe road that the warm-air drier of present embodiment comprises burner, communicate with burner, be arranged on manual modulation valve and control circuit in the admission line.Burner in the present embodiment vertically is provided with, and blower fan 7 is arranged on the dead astern of burner, to aim at combustion centre's blowing of burner; Described manual modulation valve is used for regulating the air inflow of the fuel gas that enters into burner, thereby regulates fire amount size.
See Fig. 1, described control circuit comprises power switch 1, remote-controlled power switch 2, gas leak detector 3, environment temperature detect switch (TDS) 4, the time relay 5, blower fan 7, is arranged on magnetic valve 8 and burner temperature detect switch (TDS) 14 in the gas inlet pipe road.
The control output end 5-1 of the time relay 5 is used for controlling the on/off of blower fan 7 and magnetic valve 8 in limited time, when described control circuit and external power supply begin to connect, the control output end 5-1 of the described time relay 5 keeps channel status so that burner takes fire in the default time, and the control output end 5-1 of the described time relay 5 keeps off state after Preset Time; The switch control end 14-1 of burner temperature detect switch (TDS) 14 also is used to control the on/off of blower fan 7 and magnetic valve 8; After the temperature detection end 11 of burner temperature detect switch (TDS) 14 was used for recording burner and takes fire, the switch control end 14-1 of burner temperature detect switch (TDS) 14 can make blower fan 7 and magnetic valve 8 energisings.
Described control circuit also has environment temperature detect switch (TDS) 4; The switch control end 4-1 of described environment temperature detect switch (TDS) 4 is used to control the power supply of blower fan 7 and magnetic valve 8, after the temperature detection end 15 of environment temperature detect switch (TDS) 4 records environment temperature and reaches preset temperature, the switch control end 4-1 of environment temperature detect switch (TDS) 4 can control blower fan 7 and magnetic valve 8 outages, and warm-air drier is quit work; After the temperature detection end 15 of environment temperature detect switch (TDS) 4 recorded environment temperature and is lower than preset temperature, the switch control end 4-1 of environment temperature detect switch (TDS) 4 can make blower fan 7 and magnetic valve 8 switch on again, and warm-air drier is reworked.
Described control circuit also has gas leak detector 3, is used for after recording the environment gas concentration and exceeding standard the control output end 3-1 of gas leak detector 3 control blower fan 7 and magnetic valve 8 outages.
Control circuit also has remote-controlled power switch 2, and the control output end 2-1 of remote-controlled power switch 2 can control the power supply of described control circuit; Power switch 1 is in series with the control output end 2-1 of remote-controlled power switch.
The warm-air drier course of work of present embodiment is as follows: when power switch 1, the control output end 2-1 of remote-controlled power switch, the control output end 3-1 of gas leak detector, during the control output end 4-1 path of environment temperature detect switch (TDS), the control output end 5-1 of the described time relay 5 is in conducting state, the switch control end 14-1 of burner temperature detect switch (TDS) 14 disconnects, the control output end 5-1 of electric current elapsed time relay 5 makes blower fan 7 and magnetic valve 8 energisings, thereby blower fan 7 rotates, magnetic valve 8 valve unblanks, there is combustion gas to enter into burner, manually starts igniter and make burner combustion through admission line;
Then, be arranged near the burner flame or the test side 11 of burner temperature detect switch (TDS) 14 wherein detect after burner takes fire, the switch control end 14-1 of burner temperature detect switch (TDS) 14 is shifted and makes blower fan 7 and magnetic valve 8 continue energising, thereby guarantees that warm-air drier is in the steady-working state that burns away.
Then, preset time finishes, and the control output end 5-1 of the time relay 5 is in off-state, and electric current is the control output end 5-1 of elapsed time relay 5 no longer.
Do not have coal gas to exceed standard, environment temperature exceeds standard and when artificially breaking control power switch 1, remote control switch 2, the warm-air drier of present embodiment will continue the fired state that keeps stable.Just in case burner is flame-out suddenly at work; the control output end 14-1 of burner temperature detect switch (TDS) 14 disconnects, because the control output end 5-1 of the time relay 5 disconnects behind Preset Time, blower fan 7 and magnetic valve 8 quit work; combustion gas no longer enters into burner, so play the blowout protection effect.
Environment temperature detect switch (TDS) 4 in the present embodiment and burner temperature detect switch (TDS) 14 can adopt any in electronic temperature control device, two golden temperature detect switch (TDS) and the three gold medal temperature detect switch (TDS)s.
(embodiment 2)
The gas inlet pipe road that warm-air drier in the present embodiment comprises burner, communicate with burner, be arranged on manual modulation valve and control circuit in the admission line.Burner in the present embodiment vertically is provided with, and blower fan 7 is arranged on the dead astern of burner, to aim at combustion centre's blowing of burner; Described manual modulation valve is used for regulating the air inflow of the fuel gas that enters into burner, thereby regulates fire amount size.
See Fig. 2, described control circuit comprises power switch 1, remote-controlled power switch 2, gas leak detector 3, environment temperature detect switch (TDS) 4, the time relay 5, electronic type igniter 6, blower fan 7, is arranged on magnetic valve 8 and burner temperature detect switch (TDS) 14 in the gas inlet pipe road.
The control output end 5-1 of the time relay 5 is used for controlling the on/off of blower fan 7 and magnetic valve 8 in limited time, the second control output end 5-2 of the time relay 5 is used for controlling the on/off of electronic type igniter 6 in limited time, when described control circuit and external power supply begin to connect, control output end 5-1, the 5-2 of the described time relay 5 keep channel status so that burner takes fire in the default time, and the control output end 5 little 5-2 of the described time relay 5 keep off state after Preset Time; The switch control end 14-1 of burner temperature detect switch (TDS) 14 also is used for the on/off of control point firearm 6, blower fan 7 and magnetic valve 8; After the temperature detection end 11 of burner temperature detect switch (TDS) 14 was used for recording burner and takes fire, the switch control end 14-1 displacement of burner temperature detect switch (TDS) 14 can make blower fan 7 and magnetic valve 8 continue energising, and electronic lighter 6 stops sparking.
The switch control end 4-1 of described environment temperature detect switch (TDS) 4 is used for the power supply of control point firearm 6, blower fan 7, magnetic valve 8 and burner temperature detect switch (TDS) 14, after the temperature detection end 15 of environment temperature detect switch (TDS) 4 records environment temperature and reaches preset temperature, the switch control end 4-1 of environment temperature detect switch (TDS) 4 can control igniter 6, blower fan 7, magnetic valve 8 and 14 outages of burner temperature detect switch (TDS), and warm-air drier is quit work; After the temperature detection end 15 of environment temperature detect switch (TDS) 4 recorded environment temperature and is lower than preset temperature, the switch control end 4-1 of environment temperature detect switch (TDS) 4 can make blower fan 7 and magnetic valve 8 switch on again, and warm-air drier is reworked.
After recording the environment gas concentration and exceeding standard, 3-1 control point, the control output end firearm 6 of gas leak detector 3, blower fan 7, magnetic valve 8 and 14 outages of burner temperature detect switch (TDS).
The control output end 2-1 of remote-controlled power switch 2 can control the power supply of described control circuit; Power switch 1 is in series with the control output end 2-1 of remote-controlled power switch.
The warm-air drier course of work of present embodiment is as follows: when power switch 1, the control output end 2-1 of remote-controlled power switch, the control output end 3-1 of gas leak detector, during the control output end 4-1 path of environment temperature detect switch (TDS), the control output end 5-1 of the described time relay 5,5-2 is in conducting state, the switch control end 14-1 of burner temperature detect switch (TDS) 14 and igniter 6 conductings, thereby one road electric current makes igniter 6 energisings through the second control output end 5-2 of the switch control end 14-1 of burner temperature detect switch (TDS) 14 and the time relay 5 successively, makes igniter 6 be in the sparking state; The control output end 5-1 of another road electric current elapsed time relay 5 and make 8 energisings of blower fan 7 and magnetic valve, blower fan 7 rotates, magnetic valve 8 valve unblanks, thereby has combustion gas to enter into burner through admission line; The igniter 6 of this moment just can be lighted combustion gas takes fire burner.
Then, be provided with near the burner flame or the test side 11 of burner temperature detect switch (TDS) 14 wherein detect after burner takes fire, the switch control end 14-1 of burner temperature detect switch (TDS) 14 displacement and switch control end 14-1 and igniter 6 are opened circuit and with blower fan 7 and magnetic valve 8 conductings, thereby make igniter 6 outages and stop sparking, and make blower fan 7 and magnetic valve 8 continue energising; Thereby guarantee that warm-air drier is in the steady-working state that burns away.
Then, preset time finishes, and control output end 5-1, the 5-2 of the time relay 5 are in off-state, and electric current is control output end 5-1, the 5-2 of elapsed time relay 5 no longer.
Do not have coal gas to exceed standard, environment temperature exceeds standard and when artificially breaking control power switch 1, remote control switch 2, the warm-air drier of present embodiment will continue the fired state that keeps stable.Just in case burner is flame-out suddenly at work, original position is return in the control output end 14-1 displacement of burner temperature detect switch (TDS) 14, because the control output end 5-1 of the time relay 5 disconnects behind Preset Time, blower fan 7 and magnetic valve 8 quit work, combustion gas no longer enters into burner, the second control output end 5-2 owing to the time relay 5 also disconnects after Preset Time simultaneously, so igniter 6 can blindly not lighted a fire; So play the blowout protection effect.Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be qualification to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (5)
1, a kind of warm-air drier, the gas inlet pipe road and the control circuit that comprise burner, communicate with burner; Described control circuit comprises blower fan (7) and is arranged on magnetic valve (8) in the gas inlet pipe road; It is characterized in that: described control circuit also comprises the time relay (5) and burner temperature detect switch (TDS) (14); The control output end (5-1) of the time relay (5) is used for controlling the on/off of blower fan (7) and magnetic valve (8) in limited time, when described control circuit and external power supply begin to connect, the control output end (5-1) of the described time relay (5) keeps channel status so that burner takes fire in the default time, and the control output end (5-1) of the described time relay (5) keeps off state after Preset Time; The switch control end (14-1) of burner temperature detect switch (TDS) (14) also is used to control the on/off of blower fan (7) and magnetic valve (8); After the temperature detection end (11) of burner temperature detect switch (TDS) (14) was used for recording burner and takes fire, the switch control end (14-1) of burner temperature detect switch (TDS) (14) can make blower fan (7) and magnetic valve (8) energising.
2, warm-air drier according to claim 1, it is characterized in that: warm-air drier also has manual ignition device (6) or ignition (6), and the described time relay (5) also can be controlled the on/off of ignition (6) by second control output end (5-2) in limited time.
3, warm-air drier according to claim 1 and 2 is characterized in that: described control circuit also has environment temperature detect switch (TDS) (4); The switch control end (4-1) of described environment temperature detect switch (TDS) (4) is used for the power supply of control point firearm (6), blower fan (7), magnetic valve (8) and burner temperature detect switch (TDS) (14), after the temperature detection end (15) of environment temperature detect switch (TDS) (4) records environment temperature and reaches preset temperature, the switch control end (4-1) of environment temperature detect switch (TDS) (4) can be controlled blower fan (7) and magnetic valve (8) outage, and warm-air drier is quit work; After the temperature detection end (15) of environment temperature detect switch (TDS) (4) recorded environment temperature and is lower than preset temperature, the switch control end (4-1) of environment temperature detect switch (TDS) (4) can make blower fan (7) and magnetic valve (8) switch on again, and warm-air drier is reworked.
4, warm-air drier according to claim 1 and 2, it is characterized in that: described control circuit also has gas leak detector (3), be used for after recording the environment gas concentration and exceeding standard, the control output end (3-1) of gas leak detector (3) control blower fan (7) and magnetic valve (8) cut off the power supply.
5, warm-air drier according to claim 1 and 2 is characterized in that: control circuit also has remote-controlled power switch (2), and the power supply of described control circuit can be controlled in the control output end (2-1) of remote-controlled power switch (2); Power switch (1) is in series with the control output end (2-1) of remote-controlled power switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101547514A CN100529578C (en) | 2006-11-17 | 2006-11-17 | Warm air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101547514A CN100529578C (en) | 2006-11-17 | 2006-11-17 | Warm air blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1959284A CN1959284A (en) | 2007-05-09 |
| CN100529578C true CN100529578C (en) | 2009-08-19 |
Family
ID=38071098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101547514A Expired - Fee Related CN100529578C (en) | 2006-11-17 | 2006-11-17 | Warm air blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100529578C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667042B (en) * | 2009-09-29 | 2011-07-13 | 中兴通讯股份有限公司 | Fan type temperature control method and device |
| CN102252420A (en) * | 2011-05-20 | 2011-11-23 | 罗文龙 | Industrial fan heater |
-
2006
- 2006-11-17 CN CNB2006101547514A patent/CN100529578C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1959284A (en) | 2007-05-09 |
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Granted publication date: 20090819 Termination date: 20111117 |