CN2084416U - Electric heating far infrared air-blowing drying box - Google Patents

Electric heating far infrared air-blowing drying box Download PDF

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Publication number
CN2084416U
CN2084416U CN 91200225 CN91200225U CN2084416U CN 2084416 U CN2084416 U CN 2084416U CN 91200225 CN91200225 CN 91200225 CN 91200225 U CN91200225 U CN 91200225U CN 2084416 U CN2084416 U CN 2084416U
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China
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anode
negative electrode
pin
drying box
temperature
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CN 91200225
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Chinese (zh)
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王鹤富
李成心
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Wuyi Boiler Works
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Wuyi Boiler Works
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Priority to CN 91200225 priority Critical patent/CN2084416U/en
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Abstract

An electric heating far infrared air-blowing drying box of the utility model is composed of a gearbox body, an instrument board, a gate, an abscess lid, a bearer, a supporter, a far infrared electric heater, a pore plate, an aerator, a cover plate and an electronic circuit, wherein, a ball is installed between the bearer and the supporter. The instrument board is equipped with a digital display temperature control apparatus, a time delay relay, a buzzer and all kinds of indicating lamps, buttons and switches. Compare to the present drying box, the utility model is provided with the characteristics such as high accuracy and sensibility of temperature control and measurement, little fluctuation of error and temperature, good security and convenient control and operation. The drying box is suitable for all kinds of brick and tile factories, building trades and building material quality detection branches.

Description

Electric heating far infrared air-blowing drying box
The utility model is a kind of electrothermal drying box, particularly a kind of electrothermal drying box of the usefulness as building material quality verification tests such as brick and tile.
At present China also not have the electrothermal drying box of special usefulness as building material quality verification tests such as brick and tile.When building material qualities such as verification test brick and tile, be to come withering at present with general electrothermal drying box.This class drying box has following weak point when building materials samples dried such as carrying out brick and tile is handled: because the thermostat of drying box adopts bimetal temperature control device, the temperature control temperature measurement accuracy is low, and sensitivity is not high, error is big; Because drying box has only the one-level temperature regulating device, cuts off heater power source when temperature is higher than the temperature of being controlled, temperature fluctuation is bigger, if temperature regulating device is malfunctioning, easily has an accident; Because drying box does not have constant temperature timing and warning device, needs staff's monitoring on duty, work is inconvenient.
The purpose of this utility model is: at the weak point of existing electrothermal drying box existence when building materials samples dried such as carrying out brick and tile is handled, a kind of temperature control temperature measurement accuracy, highly sensitive is provided, error is little, temperature fluctuation is little, safety coefficient is big, control, easy to operate electric heating far infrared air dry oven.
The utility model is finished as follows: electric heating far infrared air dry oven is made up of casing (1), air-vent cap (5), door (7), carriage (8), bracing frame (10), Far-infrared electric heater (13), orifice plate (14), air blast (15), cover plate (22), electronic circuit.Bracing frame (10) is located at the interior left and right sides of casing (1).Respectively be provided with 2 to 8 balls (9) between carriage (8) and the left and right sides bracing frame (10).Ball (9) is contained in the ball hole (46) of retainer (45).Retainer (45) is fixed on the bracing frame (10).Digital display temperature control instrument (21) is housed on instrument face plate (19), the time relay (20), timing buzzer (34), excess temperature, instrument fault buzzer (35), I group far-infrared heater indicator lamp (36), II group far-infrared heater indicator lamp (37), air blast indicator lamp (38), excess temperature, instrument fault indicator lamp (39), relay J 2Start button (40), total start button (41), stop button (42), timing manual switch (43), the manual switch (44) of air blast.Temperature display (24) is housed, temperature control knob (25), thermometric, temperature control selector button (26), instrument power switch (27), thermostatical pilot lamp (28), intensification indicator lamp (29) on digital display temperature control instrument (21).Time relay power switch (30) is housed, time dalay indicator light (31), timing dial (32), multiplying power switch (33) on the time relay (20).Electronic circuit is by digital display temperature control instrument P, relay J 1To J 4, time relay J S, normally closed button QT often opens button QA 1, QA 2, K switch 1To K 3, transformer B, diode D 1To D 4, Zener diode D Z, capacitor C 1, C 2, resistance R 1To R 4, unijunction transistor BG, controllable silicon SCR, far-infrared heater R H1To R H3, overheat protector GR, temperature sensor H S, indicator lamp XD 1To XD 4, buzzer y 1, y 2, blower motor D forms.The a pin of P is connected to the live wire of power line.The b pin of P is connected to K respectively 1The b end of one end, B, GR one end, J 4Normally opened contact J 41The g pin of one end, P, R H1One end, R H2One end, XD 1One end, R H3One end, XD 2One end, D one end, XD 3One end, y 1One end, y 2One end, XD 4One end.H STwo ends are connected to C, the d pin of P respectively.The e of P, f pin are connected to delay circuit.The h pin of P is connected to J respectively 1One end, J 2One end.The a end of B is connected to QT one end, K respectively 2One end, J 1Normally opened contact J 11One end, J 2Normally opened contact J 22One end, K 3One end, J Soften open time-delay break contact J S2One end, J SNormally closed time-delay break contact J S3One end.The QT other end is connected to QA respectively 1One end, J 3Normally opened contact J 31One end.J SNormally closed time-delay break contact J S1One end is connected to QA respectively 1The other end, J 31The other end.J S1The other end is connected to J respectively 1The other end, J 3One end, QA 2One end, J 2Normally opened contact J 21One end.J 3The other end is connected to the GR other end.J 2The other end is connected to QA respectively 2The other end, J 21The other end.J STwo ends are connected to K respectively 2The other end and J 41The other end.J 11The other end is connected to R respectively H1The other end, R H2The other end, XD 1The other end.J 22The other end is connected to R respectively H3The other end, XD 2The other end.K 3The other end is connected to J 3Normally opened contact J 32One end.J 32The other end is connected to the D other end, XD respectively 3The other end.J S2The other end is connected to y 1The other end.J S3The other end is connected to J 3Normally-closed contact J 33One end.J 33The other end is connected to y respectively 2The other end, XD 4The other end.The C end of B is connected to D respectively 2Negative electrode, D 4Anode.The d end of B is connected to D respectively 1Negative electrode, D 3Anode.C 1Anode is connected to D respectively 3Negative electrode, D 4Negative electrode, R 1One end, J 4One end.C 1Negative electrode is connected to D respectively 1Anode, D 2Anode, D ZAnode, C 2Negative electrode, R 4The C utmost point of one end, SCR.D ZNegative electrode is connected to R respectively 1The other end, R 2One end, R 3One end.C 2Anode is connected to R respectively 2The e utmost point of the other end, BG.The A utmost point of SCR is connected to J 4The other end.The G utmost point of SCR is connected to R respectively 4The b of the other end, BG 2The utmost point.The b of BG 1The utmost point is connected to R 3The other end.QT is a stop button in the circuit; QA 1It is start button; QA 2Be J 2The relay start button; K 1It is power switch; K 2It is regularly manual switch; K 3It is the manual switch of air blast; y 1It is the timing alarm buzzer; y 2It is the temperature alarm buzzer; XD 1Be by R H1, R H2The burner on light of the I group far-infrared heater of forming; XD 2Be by R H3The burner on light of the II group far-infrared heater that constitutes; XD 3It is the air blast relay indicating light; XD 4It is the fault indicator lamp.
The carriage (8) of existing drying box is to make with finer wire or thin wire, and the easy deformation bending of heating back can not be supported weight.In order to make building materials sample such as can supported weight heavier brick and tile of carriage (8) and to prevent carriage (8) heating back bending, carriage (8) is made of the big steel of weight capacity.
The course of work of electric heating far infrared air dry oven is like this: will need dry brick and tile sample to be placed on the carriage (8), carriage (8) is pushed shut up the door carefully in the casing (1) (7).Connect power supply, pin thermometric, temperature control selector button (26), choose the temperature that needs control, choose the required time of constant temperature by timing dial (32) by temperature control knob (25).If do not need constant temperature time control, with K 2Open, otherwise close.K closes 3, press QA successively 1Button, QA 2Button.At this moment J 3Connect power supply, J 31Connect self-locking, dry the temperature inside the box is lower than the temperature that needs control, the g of P, the conducting of h pin, J 1, J 2Connect power supply, J 11, J 22Connect, Far-infrared electric heater is connected power supply and is begun to heat up XD 1, XD 2Bright.J 32Connect D running, XD 3Bright.XD 4Do not work, illustrate that instrument is normal.Work as H SWhen the temperature of experiencing was equal to or higher than the temperature that needs control, the g of P, h pin ended J 1, J 2Outage, J 21Disconnect J 11, J 22Disconnect, the Far-infrared electric heater outage stops heating.J 2Have only again by QA 2Could connect power supply.Work as H SWhen the temperature of experiencing is lower than the temperature that needs control, the g of P, the conducting of h pin, J 1Energising, J 11Connect, the Far-infrared electric heater energising begins heating.Work as H SWhen the temperature of experiencing is equal to or higher than the temperature that needs control, the e of P, f conducting, delay circuit is started working.After after a while, J 4Adhesive and self-locking are not subjected to the influence of adjustment temperature control this moment.J 4Connect J SEnergising picks up counting.Constant temperature time arrives, J S1Disconnect J 1, J 3Outage, J 11, J 32Disconnect, the Far-infrared electric heater outage stops heating, air blast stall, J S2Connect, y sends alarm signal, after the staff hears alarm signal, opens K 1, work finishes.
P is malfunctioning when the digital display temperature control instrument, and temperature rises always and can not get control, and when dry the temperature inside the box equaled or exceeded the highest limiting temperature, the contact of GR disconnected, J 3Outage, J 31Disconnect J 1, J 2Outage, J 11, J 22, J 32Disconnect, far-infrared heater stops heating.XD 1, XD 2, XD 3Light extinguishes, J 33Connect y 2Send alarm signal, XD 4Bright.When temperature drops to or be lower than the least restrictive temperature, though the contact of GR recloses J 1, J 2Still can not work.After only fixing a breakdown, press QA again 1, QA 2Start button just can make the far-infrared heater energising, reheats.Guarantee the drying box security of operation like this.
The utility model provides a kind of special-purpose drying box for carrying out building materials samples dried processing such as brick and tile.The utility model is compared with existing electrothermal drying box, have temperature control temperature measurement accuracy height, highly sensitive, error is little, temperature fluctuation is little, security is good, control, convenience operation.The utility model is fit to all kinds of Bricks and Tiles Plants, building trade, the use of building material quality detection department.The utility model also can be used as other equipment that needs the curing of constant temperature, temperature retention time control, drying, sterilization, heat treatment etc.
Description of drawings:
Fig. 1 is the structural representation of electric heating far infrared air dry oven.Wherein (1) represents casing; (2) expression temperature sensor; (3) expression handle; (4) expression overheat protector; (5) expression air-vent cap; (6) expression nameplate; (7) expression door; (8) expression carriage; (9) expression ball; (10) expression bracing frame; (11) expression heat-insulation layer; (12) expression pin; (13) expression Far-infrared electric heater; (14) expression orifice plate; (15) expression air blast; (16) expression button; (17) expression switch; (18) expression indicator lamp; (19) expression instrument face plate; (20) the expression time relay; (21) expression digital display temperature control instrument.
Fig. 2 is the left view of Fig. 1.Wherein (22) represent cover plate; (23) expression shutter.
Fig. 3 is the structural representation of instrument face plate.Wherein (24) represent temperature display; (25) expression temperature control knob; (26) expression thermometric, temperature control selector button; (27) expression instrument power switch; (28) expression thermostatical pilot lamp; (29) expression intensification indicator lamp; (30) expression time relay power switch; (31) expression time dalay indicator light; (32) expression timing dial; (33) expression multiplying power switch; (34) expression timing buzzer; (35) expression excess temperature, instrument fault buzzer; (36) expression I group far-infrared heater indicator lamp; (37) expression II group far-infrared heater indicator lamp; (38) expression air blast indicator lamp; (39) expression excess temperature, instrument fault indicator lamp; (40) expression relay J 2Start shipment button; (41) represent total start button; (42) expression stop button; (43) expression timing manual switch; (44) the manual switch of expression air blast.
Fig. 4 is the structural representation of bracing frame.Wherein (45) represent retainer.
Fig. 5 is the vertical view of Fig. 4.Wherein (46) represent ball hole.
Fig. 6 is the electronic circuitry of electric heating far infrared air dry oven.
Embodiment:
Make a kind of electric heating far infrared air dry oven according to the utility model.Carriage (8) is made by cutting, welding processing with φ 8 wire rod steel.Bracing frame (10), retainer (45) are made by cutting, brill, welding processing with angle steel.Casing (1), air-vent cap (5), door (7), pin (12), orifice plate (14), instrument face plate (19), cover plate (22) are made by existing electrothermal drying box preparation method.All the other parts, electrical equipment, electronic component are outsourcing piece.Each parts, electrical equipment, electronic component are pressed Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 6 assembling, just can obtain a kind of electric heating far infrared air dry oven.

Claims (2)

1, a kind of electric heating far infrared air dry oven, this drying box is made up of casing (1), air-vent cap (5), door (7), carriage (8), bracing frame (10), Far-infrared electric heater (13), orifice plate (14), air blast (15), instrument face plate (19), cover plate (22), electronic circuit, it is characterized in that:
Respectively be provided with 2 to 8 balls (9) between a, carriage (8) and the left and right sides bracing frame (10), ball (9) is contained in the ball hole (46) of retainer (45), and retainer (45) is fixed on the bracing frame (10);
B, electronic circuit are by digital display temperature control instrument p, relay J 1To J 4, time relay J s, normally closed button QT often opens button QA 1, QA 2, K switch 1To K 3, transformer B, diode D 1To D 4, Zener diode D z, capacitor C 1, C 2, resistance R 1To R 4, unijunction transistor BG, controllable silicon SCR, far-infrared heater R H1To R H3, overheat protector GR, temperature sensor H s, indicator lamp XD 1To XD 4, buzzer y 1, y 2, blower motor D forms, and a pin of P is connected to the live wire of power line, and the b pin of P is connected to K respectively 1The b end of one end, B, GR one end, J 4Normally opened contact J 41The g pin of one end, P, R H1One end, R H2One end, XD 1One end, R H3One end, XD 2One end, D one end, XD 3One end, y 1One end, y 2One end, XD 4One end, H sTwo ends are connected to c, the d pin of P respectively, and the h pin that the e of P, f pin are connected to delay circuit P is connected to J respectively 1One end, J 2One end, a end of B is connected to QT one end, K respectively 2One end, J 1Normally opened contact J 11One end, J 2Normally opened contact J 22One end, K 3One end, J soften open time-delay break contact J S2One end, J sNormally closed time-delay break contact J S3One end, the QT other end are connected to QA respectively 1One end, J 3Normally opened contact J 31One end, J sNormally closed time-delay break contact J S1One end is connected to QA respectively 1The other end, J 31One end, J S1The other end is connected to J respectively 1The other end, J 3One end, QA 2One end, J 2Normally opened contact J 21One end, J 3The other end is connected to the GR other end, J 2The other end is connected to QA respectively 2The other end, J 21The other end, J sTwo ends are connected to K respectively 2The other end and J 41The other end, J 11The other end is connected to R respectively H1The other end, R H2The other end, XD 1The other end, J 22The other end is connected to R respectively H3The other end, XD 2The other end, K 3The other end is connected to J 3Normally opened contact J 32One end, J 32The other end is connected to the D other end, XD respectively 3The other end, J S2The other end is connected to y 1The other end, J S3The other end is connected to J 3Normally-closed contact J 33One end, J 33The other end is connected to y respectively 2The other end, XD 4The other end, the C end of B is connected to D respectively 2Negative electrode, D 4Anode, the d end of B is connected to D respectively 1Negative electrode, D 3Anode, C 1Anode is connected to D respectively 3Negative electrode, D 4Negative electrode, R 1One end, J 4One end, C 1Negative electrode is connected to D respectively 1Anode, D 2Anode, D ZAnode, C 2Negative electrode, R 4The C utmost point of one end, SCR, D ZNegative electrode is connected to R respectively 1The other end, R 2One end, R 3One end, C 2Anode is connected to R respectively 2The e utmost point of the other end, BG, the A utmost point of SCR are connected to J 4The other end, the G utmost point of SCR is connected to R respectively 4The b of the other end, BG 2The utmost point, the b of BG 1The utmost point is connected to R 3The other end.
2, electric heating far infrared air dry oven according to claim 1, it is characterized in that digital display temperature control instrument (21), the time relay (20) are contained on the instrument face plate (19), regularly buzzer (34), excess temperature, instrument fault buzzer (35), I group far-infrared heater indicator lamp (36), II group far-infrared heater indicator lamp (37), air blast indicator lamp (38), excess temperature, instrument fault indicator lamp (39), relay J also are housed on the instrument face plate (19) 2Start button (40), total start button (41), stop button (42), timing manual switch (43), the manual switch (44) of air blast.
CN 91200225 1991-01-04 1991-01-04 Electric heating far infrared air-blowing drying box Pending CN2084416U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 91200225 CN2084416U (en) 1991-01-04 1991-01-04 Electric heating far infrared air-blowing drying box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 91200225 CN2084416U (en) 1991-01-04 1991-01-04 Electric heating far infrared air-blowing drying box

Publications (1)

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CN2084416U true CN2084416U (en) 1991-09-11

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CN 91200225 Pending CN2084416U (en) 1991-01-04 1991-01-04 Electric heating far infrared air-blowing drying box

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103901787A (en) * 2012-06-11 2014-07-02 众达光通科技(苏州)有限公司 Testing device for photoelectric receiving and dispatching module
CN103994641A (en) * 2014-04-29 2014-08-20 成都市龙泉驿区齐盛机械厂 Drying device
CN106024512A (en) * 2016-06-22 2016-10-12 宁波市艾亿赛热保护科技有限公司 Heat temperature anomaly protector capable of being used repeatedly
CN106024513A (en) * 2016-06-22 2016-10-12 宁波市艾亿赛热保护科技有限公司 Heat temperature anomaly protector with good sealing performance and convenient to detach
CN106440749A (en) * 2016-08-31 2017-02-22 贵州省攀峰酒曲有限公司 Automatic constant-temperature distiller yeast roaster
CN110243160A (en) * 2019-05-09 2019-09-17 重庆金徽博鑫工艺品有限公司 A kind of stirring drying device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103901787A (en) * 2012-06-11 2014-07-02 众达光通科技(苏州)有限公司 Testing device for photoelectric receiving and dispatching module
CN103901787B (en) * 2012-06-11 2017-04-12 众达光通科技(苏州)有限公司 Testing device for photoelectric receiving and dispatching module
CN103994641A (en) * 2014-04-29 2014-08-20 成都市龙泉驿区齐盛机械厂 Drying device
CN106024512A (en) * 2016-06-22 2016-10-12 宁波市艾亿赛热保护科技有限公司 Heat temperature anomaly protector capable of being used repeatedly
CN106024513A (en) * 2016-06-22 2016-10-12 宁波市艾亿赛热保护科技有限公司 Heat temperature anomaly protector with good sealing performance and convenient to detach
CN106440749A (en) * 2016-08-31 2017-02-22 贵州省攀峰酒曲有限公司 Automatic constant-temperature distiller yeast roaster
CN110243160A (en) * 2019-05-09 2019-09-17 重庆金徽博鑫工艺品有限公司 A kind of stirring drying device

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