CN208172624U - A kind of baking oven - Google Patents
A kind of baking oven Download PDFInfo
- Publication number
- CN208172624U CN208172624U CN201820730902.4U CN201820730902U CN208172624U CN 208172624 U CN208172624 U CN 208172624U CN 201820730902 U CN201820730902 U CN 201820730902U CN 208172624 U CN208172624 U CN 208172624U
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- China
- Prior art keywords
- cabinet
- circuit
- output end
- comparison circuit
- comparison
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Abstract
The production equipment of the utility model design fiber film wire,Disclose a kind of baking oven,Including cabinet,The hermatic door being rotatably connected on wall box,Heater strip on box house bottom surface is set,Several groups Blast mechanism is equipped on the cabinet,The Blast mechanism includes the driving motor being fixedly connected on cabinet exterior,The fan being mounted in driving motor output shaft,The Blast mechanism is separately mounted to cabinet side sidewall upper,Far from one end on the side wall of side on cabinet upper surface,Cabinet other side side wall lower ends,The guide part for facilitating gas to circulate is equipped on the cabinet wall,By the way that fiber film wire is placed in rack,Rack is transported in cabinet,Fiber film wire is heated after shutting hermatic door,Start driving motor,Driving motor drives fan rotation,Fan rotation promotes the intracorporal air of case and is recycled,By the flowing for accelerating the intracorporal air of case,Make fiber film wire homogeneous heating,Improve the machining yield of fiber film wire.
Description
Technical field
The utility model relates to hollow fiber film thread production equipments, and in particular to a kind of baking oven.
Background technique
In the production process of fiber film wire, need to heat fiber film wire, just need during heating using
To baking oven.
Existing baking oven device technique is only applicable to the baking oven of small volume, when for the biggish baking oven of volume（Especially
For hollow fiber film thread heat-shaping and when volume is greater than 4.5 square metres of baking oven）, oven interior upper temp will be generated
Height, bottom temp are low.When carrying out heat-shaping hollow fiber film thread, the hollow fiber film thread on top is due to the too high appearance of temperature
The hollow fiber film thread of fracture of wire, lower part occurs film wire shrinkage phenomenon since temperature is not achieved, and causes the yield rate of tunica fibrosa not high.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of baking ovens.
To achieve the above object, the utility model provides following technical solution：
A kind of baking oven is rotatably connected on close on wall box including inner hollow and cabinet that side is in communication with the outside
Closure door, is arranged in the heater strip on box house bottom surface, and several groups Blast mechanism, the Blast mechanism are equipped on the cabinet
Including the driving motor being fixedly connected on cabinet exterior, the fan being mounted in driving motor output shaft, the Blast mechanism
Be separately mounted to cabinet side sidewall upper, on cabinet upper surface far from the side wall of side one end, under the side wall of the cabinet other side
End is equipped with the guide part for facilitating gas to circulate on the cabinet wall.
Rack is transported in cabinet, is closed by the way that fiber film wire to be placed in rack by using above-mentioned technical proposal
Fiber film wire is heated after good hermatic door, starts driving motor, driving motor drives fan rotation, and fan rotation promotes
The intracorporal air of case is recycled, setting in this way, by accelerating the flowing of the intracorporal air of case, adds fiber film wire
It is hot uniform, improve the machining yield of fiber film wire.
The utility model is further arranged to：The guide part includes the first guiding being fixedly connected on cabinet wall
Plate and the second guide plate, first guide plate are located at fan side, and second guide plate is located at the fan other side.
By using above-mentioned technical proposal, the first guide plate and second has been respectively fixedly connected with by the two sides in fan and has been led
To plate, setting in this way has been further facilitated and has been circulated to the intracorporal gas of case.
The utility model is further arranged to：First guide plate is arranged in circular arc.
By using above-mentioned technical proposal, by the way that the first guide plate is arranged in circular arc, setting in this way, further
It facilitates and circulates to the intracorporal air of case.
The utility model is further arranged to：Second guide plate and box house are inclined to set to form angle.
Led to by using above-mentioned technical proposal by being inclined to set the second guide plate and box house to form angle
Such setting is crossed, has further facilitated and has circulated to the intracorporal air of case.
The utility model is further arranged to：One is equipped on the cabinet for controlling the control of heater strip power on/off
Mechanism, the control mechanism include,
Detection circuit is used for detection box internal temperature, and output temperature detected value；
First comparison circuit is coupled to detection circuit output end to receive temperature detection value, when temperature detection value is less than
When the preset value of one comparison circuit, the first comparison signal is exported；
Second comparison circuit is coupled to the output end of detection circuit to receive temperature detection value, when temperature detection value is greater than
When the preset value of the second comparison circuit, the second comparison signal is exported；Wherein, the preset value of the first comparison circuit compares less than second
The preset value of circuit；
State switching circuit is coupled to the output end of the first comparison circuit and the output end of the second comparison circuit to receive
One comparison signal and the second comparison signal, and output switching signal；
Switching circuit is coupled to state switching circuit to receive switching signal, and controls the on-off of heater strip.
By using above-mentioned technical proposal, real-time monitoring is carried out to box interior temperature by detection circuit, accordingly may be used
Temperature according to actual needs changes the preset value in the first comparison circuit and the second comparison circuit, works as when detection circuit detects
The temperature of front position less than the first comparison circuit preset value when, the first comparison circuit export high level the first comparison signal,
After state switching circuit receives the first comparison circuit of high level, output switching signal controls second switch circuit operation, leads to
Cross the current supply circuit that heater strip is opened in switching circuit control, control heater strip heats the intracorporal air of case, when temperature plus
When heat to detection circuit detects that Current Temperatures are greater than the preset value of the second comparison circuit, the second comparison circuit exports high level
Second comparison signal, after state switching circuit receives the second comparison signal of high level, output switching signal control control the
The movement of two switching circuits, the current supply circuit for closing heater strip is controlled by switching circuit, and control heater strip stops heating.
The utility model is further arranged to：The state switching circuit includes：
Or door (OR), there are two input terminals and an output end, first input end to be coupled to the first comparison circuit for tool
To receive the first comparison signal, the second input terminal is coupled to the output end of the second comparison circuit and is compared with receiving second output end
Signal；
T trigger (U1), has control terminal T, input end of clock CK and output end Q, and control terminal T is coupled to direct current
VCC, input end of clock CK is coupled to or the output end of door (OR), output end Q output switching signal.
Compare by using above-mentioned technical proposal, first when the first comparison circuit or the second comparison circuit output high level
When signal or the second comparison signal or door exports high level signal, and the Production conditions of the first comparison signal due to high level
For detection circuit output valve less than the preset value of the first comparison circuit, and the Production conditions of the second comparison signal of high level are
The output valve of detection circuit is greater than the preset value of the second comparison circuit, and the preset value of the first comparison circuit compares less than second
The preset value of circuit, therefore when preset value of the output valve of detection circuit less than the first comparison circuit, the first comparison circuit it is defeated
Outlet exports the first comparison signal of high level or door exports high level signal, and T trigger exports the switching signal of high level,
Switching circuit controls heater strip current supply circuit and is powered, heater strip heating；When the output valve of detection circuit is greater than the first comparison circuit
Preset value and when less than the preset value of the second comparison circuit, the first comparison circuit and the second comparison circuit export low level respectively
The first comparison signal and low level second comparison signal, T flip-flop states keep, heater strip continuous heating；When detection electricity
When the output valve on road is greater than the second comparison circuit preset value, the second comparison circuit exports the second comparison signal or door of high level
High level signal is exported, T trigger is jumped to exporting low level switching signal, the power supply of second switch circuitry cuts heater strip
Circuit, heater strip stop heating, to detect the opening and closing that temperature controls heater strip by control mechanism, realize the automatic of heater strip
Control.
The utility model is further arranged to：The detection circuit is temperature sensor, the temperature sensor installation
On cabinet wall upper surface.
By using above-mentioned technical proposal, it is set as temperature sensor by will test circuit, temperature sensor is installed
On the upper surface of cabinet wall, setting in this way conveniently improves the accuracy in detection of temperature sensor.
The utility model is further arranged to：The centre bit of the temperature sensor installation and cabinet wall upper surface
It sets.
By using above-mentioned technical proposal, pass through centre bit temperature sensor being mounted on cabinet wall upper surface
It sets, setting in this way further improves the accuracy in detection of temperature sensor.
The utility model has the following advantages that：By accelerating the flowing of the intracorporal air of case, keep the heating of fiber film wire equal
It is even, improve the machining yield of fiber film wire；Conveniently improve the accuracy in detection of temperature sensor.
Detailed description of the invention
Fig. 1 is overall structure diagram in embodiment；
Fig. 2 is the circuit diagram of control mechanism in embodiment.
Appended drawing reference：1, cabinet；2, hermatic door；3, heater strip；4, Blast mechanism；5, driving motor；6, fan；7, it is oriented to
Part；8, the first guide plate；9, the second guide plate；10, control mechanism；11, detection circuit；12, the first comparison circuit；13, second
Comparison circuit；14, state switching circuit；15, switching circuit；OR or door；U1, T trigger.
Specific embodiment
The utility model is described further referring to attached drawing.
A kind of baking oven, as shown in Figure 1, the cabinet 1 that and side hollow including inner wall is in communication with the outside, is rotatably connected on cabinet
The heater strip 3 in 1 inner bottom surface of cabinet is arranged in hermatic door 2 on 1 side wall.
As shown in Figure 1, being equipped with several groups Blast mechanism 4 inside cabinet 1, Blast mechanism 4 includes being fixedly connected on cabinet 1
Driving motor 5 on outer wall, the fan 6 being mounted on 5 output shaft of driving motor, Blast mechanism 4 are separately mounted to 1 side of cabinet
Far from one end on the side wall of side, 1 other side side wall lower ends of cabinet in sidewall upper, 1 upper surface of cabinet.
As shown in Figure 1, being equipped with guide part 7, guide part 7 on 1 inner wall of cabinet to improve the circulation of gas in cabinet 1
Including the first guide plate 8 and the second guide plate 9 being fixedly connected on 1 inner wall of cabinet, the first guide plate 8 is located at 6 side of fan,
Second guide plate 9 is located at 6 other side of fan.
As shown in Figure 1, the circulation of gas for convenience, the first guide plate 8 are arranged in circular arc.
As shown in Figure 1, being inclined to set to be formed between 1 inner wall of the second guide plate 9 and cabinet in order to facilitate the circulation of gas
Angle.
As shown in Figure 1 and Figure 2, the power on/off for controlling heater strip 3 for convenience is equipped on cabinet 1 for controlling heater strip
The control mechanism 10 of 3 power on/off, control mechanism 10 include：
Temperature sensor is installed on 1 inside upper surface center of cabinet, for the temperature inside detection box 1, and it is defeated
Temperature detection value out；
First comparison circuit 12 is coupled to the output end of temperature sensor to receive temperature detection value, works as temperature detection value
Less than the first comparison circuit 12 preset value when, export the first comparison signal；
Second comparison circuit 13 is coupled to the output end of temperature sensor to receive temperature detection value, when temperature detector measured value is big
When the preset value of the second comparison circuit 13, the second comparison signal is exported；Wherein the preset value of the first comparison circuit 12 is less than
The preset value of two comparison circuits 13；
State switching circuit 14, be coupled to the first comparison circuit 12 output end and the second comparison circuit 13 output end with
Receive the first comparison signal and the second comparison signal, and output switching signal；
Switching circuit 15 is coupled to state switching circuit 14 to receive switching signal, and controls the power on/off of heater strip 34.
First comparison circuit 12 includes comparator A, resistance R1 and resistance R2, and the backward end of comparator A is coupled to temperature biography
The output end of sensor, resistance R1 are serially connected between the positive terminal of comparator A and direct current VCC, and resistance R2 is serially connected with comparator A's
Between positive terminal and ground, the voltage value at the both ends resistance R2 is the preset value of the first comparison circuit 12.
Second comparison circuit 13 includes comparator B, resistance R3 and resistance R4, and the positive terminal of comparator B is coupled to temperature biography
The output end of sensor, resistance R3 are serially connected between the reverse side of comparator B and direct current VCC, and resistance R4 is serially connected with comparator B's
Between reverse side and ground, the voltage value at the both ends resistance R4 is the preset value of the second comparison circuit 13.
State switching circuit 14 includes：
Or door OR, tool there are two input terminal and an output end, first input end be coupled to the output end of comparator A with
The first comparison signal is received, the second input terminal is coupled to the output end of comparator B to receive the second comparison signal；
T trigger U1 has control terminal T, input end of clock CK and output end Q, and control terminal T is coupled to direct current VCC,
Its input end of clock CK is coupled to or the output end of door OR, output end Q output switching signal.
Switching circuit 15 includes resistance R5, resistance R6, triode Q1, sustained diode 1, relay KM1.
One end of resistance R5 is coupled to the output end Q of T trigger U1, and the other end of resistance R5 is coupled to the base of triode Q1
Pole, resistance R6 are serially connected between the base stage and ground of triode Q1, and the emitter ground connection of triode Q1, relay KM1 has coil
And normally open contact, for the coil tandem of relay KM1 between the collector and direct current VCC of triode Q1, relay KM1's is normal
Open contact is serially connected in the current supply circuit of heater strip 34, and the anode of sustained diode 1 is coupled to the collector of triode Q1, is continued
The cathode of stream diode D1 is coupled to direct current VCC.
Master switch KM2 is in series in the current supply circuit of heater strip 3.
Working principle：It is closed master switch KM2, starts driving motor 5, driving motor 5 drives fan 6 to rotate, and accelerates cabinet 1
Interior gas circulates；
When temperature sensor detects preset value of 1 internal temperature of cabinet less than the first comparison circuit 12, pass through state
Switching circuit 14 and switching circuit 15 control heater strip 3, current supply circuit closure, heater strip 3 heats air in cabinet 1；
When temperature sensor detects that 1 internal temperature of cabinet is greater than the preset value of the second comparison circuit 13, pass through state
Switching circuit 14 and switching circuit 15 cut off the current supply circuit of heater strip 3, and heater strip 3 stops heating.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of baking oven, including inner hollow and cabinet that side is in communication with the outside（1）, it is rotatably connected on cabinet（1）On side wall
Hermatic door（2）, it is arranged in cabinet（1）Heater strip in inner bottom surface（3）, it is characterised in that：In the cabinet（1）It is equipped with
Several groups Blast mechanism（4）, the Blast mechanism（4）Including being fixedly connected on cabinet（1）Driving motor on outer wall（5）, peace
Mounted in driving motor（5）Fan on output shaft（6）, the Blast mechanism（4）It is separately mounted to cabinet（1）On the side wall of side
End, cabinet（1）Far from one end on the side wall of side, cabinet on upper surface（1）Other side side wall lower ends, in the cabinet（1）It is interior
Wall is equipped with the guide part for facilitating gas to circulate（7）.
2. a kind of baking oven according to claim 1, it is characterised in that：The guide part（7）Including being fixedly connected on cabinet
（1）The first guide plate on inner wall（8）With the second guide plate（9）, first guide plate（8）Positioned at fan（6）Side, it is described
Second guide plate（9）Positioned at fan（6）The other side.
3. a kind of baking oven according to claim 2, it is characterised in that：First guide plate（8）It is arranged in circular arc.
4. a kind of baking oven according to claim 3, it is characterised in that：Second guide plate（9）With cabinet（1）Inside is in
It is obliquely installed to form angle.
5. a kind of baking oven according to claim 1, it is characterised in that：In the cabinet（1）One is equipped with to add for controlling
Heated filament（3）The control mechanism of power on/off（10）, the control mechanism（10）Including,
Detection circuit（11）, it is used for detection box（1）Internal temperature, and output temperature detected value；
First comparison circuit（12）, it is coupled to detection circuit（11）Output end is to receive temperature detection value, when temperature detection value is small
In the first comparison circuit（12）Preset value when, export the first comparison signal；
Second comparison circuit（13）, it is coupled to detection circuit（11）Output end to receive temperature detection value, work as temperature detection value
Greater than the second comparison circuit（13）Preset value when, export the second comparison signal；Wherein, the first comparison circuit（12）Preset value
Less than the second comparison circuit（13）Preset value；
State switching circuit（14）, it is coupled to the first comparison circuit（12）Output end and the second comparison circuit（13）Output end
To receive the first comparison signal and the second comparison signal, and output switching signal；
Switching circuit（15）, it is coupled to state switching circuit（14）To receive switching signal, and control heater strip（3）On-off.
6. a kind of baking oven according to claim 5, it is characterised in that：The state switching circuit（14）Including：
Or door (OR), there are two input terminals and an output end, first input end to be coupled to the first comparison circuit for tool（12）'s
For output end to receive the first comparison signal, the second input terminal is coupled to the second comparison circuit（13）Output end to receive second
Comparison signal；
T trigger (U1) has control terminal T, input end of clock CK and output end Q, and control terminal T is coupled to direct current VCC,
Input end of clock CK is coupled to or the output end of door (OR), output end Q output switching signal.
7. a kind of baking oven according to claim 6, it is characterised in that：The detection circuit（11）For temperature sensor, institute
It states temperature sensor and is mounted on cabinet（1）On inner wall upper surface.
8. a kind of baking oven according to claim 7, it is characterised in that：The temperature sensor installation and cabinet（1）Inner wall
The center of upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730902.4U CN208172624U (en) | 2018-05-16 | 2018-05-16 | A kind of baking oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820730902.4U CN208172624U (en) | 2018-05-16 | 2018-05-16 | A kind of baking oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208172624U true CN208172624U (en) | 2018-11-30 |
Family
ID=64366718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820730902.4U Expired - Fee Related CN208172624U (en) | 2018-05-16 | 2018-05-16 | A kind of baking oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208172624U (en) |
-
2018
- 2018-05-16 CN CN201820730902.4U patent/CN208172624U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181130 Termination date: 20200516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |