CN213363281U - Gas baking oven control system - Google Patents
Gas baking oven control system Download PDFInfo
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- CN213363281U CN213363281U CN202021396272.5U CN202021396272U CN213363281U CN 213363281 U CN213363281 U CN 213363281U CN 202021396272 U CN202021396272 U CN 202021396272U CN 213363281 U CN213363281 U CN 213363281U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model relates to a gas baking oven control system, include: the sensing module is arranged at a hearth of the gas baking furnace, the control module and the microcontroller are arranged, the input end of the microcontroller is electrically connected with the sensing module, the output end of the microcontroller is electrically connected with the control module, the microcontroller is used for sending a first control signal to the pulse igniter control unit when a hearth door is opened, and is also used for sending a second control signal to the fan control unit when a temperature value collected by the temperature sensor is higher than a preset value Ts when the hearth door is closed, and sending a third control signal to the fan control unit when the temperature value collected by the temperature sensor is not higher than the preset value Ts when the hearth door is closed. The utility model discloses can avoid opening because the furnace door and lead to the gas concentration unusual and produce the explosion, can avoid to a certain extent simultaneously because the temperature crosses lowly and lead to the incomplete combustion of gas to produce carbon monoxide, can guarantee the safe operation of gas roaster.
Description
Technical Field
The utility model relates to a bake out furnace technical field, concretely relates to gas bake out furnace control system.
Background
The gas baking oven is generally composed of a gas burner, a hearth, a waste heat utilization device, a smoke exhaust device, an oven door and lifting device, a metal frame, a mechanical transmission device and the like;
gas baking oven in market often does not ignite well and then need manual regulation fan air intake under low temperature environment, and the gas concentration that ignites can cause in the furnace many times repeatedly is higher, produces the detonation danger easily like this, has brought the puzzlement to automatic safe work.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the defects of the prior art, the utility model aims to provide a gas baking oven control system.
The utility model provides a technical scheme that its problem adopted is: a gas-fired roaster control system comprising:
the induction module is arranged at the hearth of the gas baking oven and comprises a plurality of induction modules,
a temperature sensor for collecting the temperature of the hearth of the gas baking oven,
the furnace chamber door position sensor is used for acquiring furnace chamber door position information of the gas baking oven;
a control module, the control module comprising,
the pulse igniter control unit is used for controlling the power supply of the pulse igniter of the gas baking oven to be switched off when receiving the first control signal,
the fan control unit is used for controlling the fan of the gas baking oven to operate at a high speed when receiving a second control signal, and controlling the fan of the gas baking oven to operate at a high speed after the fan operates at a low speed for a first time period T when receiving a third control signal;
the input end of the microcontroller is electrically connected with the induction module, the output end of the microcontroller is electrically connected with the control module,
the microcontroller is used for sending the first control signal to the pulse igniter control unit when the hearth door is opened,
and is also used for sending the second control signal to the fan control unit when the furnace door is closed and the temperature value acquired by the temperature sensor is higher than a preset value Ts,
and when the furnace door is closed and the temperature value acquired by the temperature sensor is not higher than a preset value Ts, the third control signal is sent to the fan control unit.
Further, temperature sensor with microcontroller passes through temperature signal detection circuitry and connects, temperature signal detection circuitry includes temperature AD signal input unit, the one end of first resistance is connected to AD signal input unit, the other end of first resistance connect respectively the one end of first electric capacity and an AD port of microcontroller, the other end ground connection of first electric capacity.
Further, furnace door position sensor with microcontroller pass through door switch detection circuitry connects, door switch detection circuitry includes first power, the one end of second resistance is connected to first power, the one end of third resistance and the one end of SW door switch are connected respectively to the other end of second resistance, the one end and the ground of second electric capacity are connected respectively to the other end of SW door switch, the other end of third resistance is connected respectively the other end of second electric capacity and microcontroller's first interrupt port.
Further, the microcontroller is connected with the pulse igniter control unit through a pulse igniter control circuit, the pulse igniter control circuit includes an output state detection portion and a control portion, the output state detection portion includes a second power supply, the second power supply is connected with a negative electrode of a first diode, a positive electrode of the first diode is respectively connected with a second interrupt port of the microcontroller, one end of a third capacitor, one end of a fourth resistor and one end of a fifth resistor, the other end of the third capacitor and the other end of the fourth resistor are commonly grounded, the control portion includes a sixth resistor, one end of which is connected with a third interrupt port of the microcontroller, the other end of the sixth resistor is respectively connected with one end of a seventh resistor and a base of a first triode QN1, the other end of the seventh resistor and an emitter of the first triode QN1 are commonly grounded, the collector of the first triode QN1 is connected with the other end of the fifth resistor and the anode of the second diode respectively, the cathode of the second diode is connected with the third power supply, the second diode is provided with a first RELAY RELAY in parallel, the switch part of the first RELAY RELAY is connected with one end of the live wire and one end of the pulse igniter respectively, and the other end of the pulse igniter is connected with the zero line.
Further, the microcontroller with the fan control unit passes through fan control circuit connection, fan control circuit include one end with the eighth resistance that the fourth interrupt port of microcontroller is connected, the other end of eighth resistance is connected the base of second triode QN2 and the one end of ninth resistance, the projecting pole of second triode QN2 and the other end of ninth resistance ground jointly, the positive pole of third diode is connected to the collecting electrode of second triode QN2, the fourth power is connected to the negative pole of third diode, third diode department connects in parallel and is provided with the second RELAY RELAY, the switch part of second RELAY RELAY connects the one end of live wire and fan respectively, the zero line is connected to the other end of fan.
Further, the first time period T is 30 seconds.
Furthermore, the type of the temperature sensor is a probe type K type 0-400-DEG thermocouple.
Furthermore, the type of the hearth door position sensor is ME-8104 travel switch or GPS-23 reed switch magnetic control switch.
The utility model has the advantages that: the utility model provides a gas bakes out stove control system, through the collection to the temperature information in furnace door position information and the furnace, and according to the level signal of the temperature information in furnace door position information and the furnace of collection, control fan and impulse ignition ware, can avoid opening because the furnace door and lead to gas concentration unusual and produce the detonation, can avoid leading to the incomplete combustion of gas to produce carbon monoxide because the temperature is low excessively simultaneously to a certain extent, can guarantee the safe operation that the gas bakes out the stove.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
Fig. 1 is a schematic structural view of a gas baking oven control system of the present invention;
fig. 2 is a schematic circuit diagram of a control system of a gas baking oven of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the elements are directly connected, but mean that a more preferable circuit structure can be formed by adding or reducing the connection elements according to the specific implementation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1, embodiment 1, a gas oven control system includes:
the induction module 100 is arranged at the hearth of the gas baking oven, the induction module 100 comprises,
a temperature sensor 110, wherein the temperature sensor 110 is used for collecting the hearth temperature of the gas baking oven,
a furnace door position sensor 120, said furnace door position sensor 120 being configured to collect furnace door position information of said gas oven;
a control module 200, the control module 200 comprising,
a pulse igniter control unit 210, wherein the pulse igniter control unit 210 is used for controlling the power supply of the pulse igniter of the gas baking oven to be disconnected when receiving the first control signal,
the fan control unit 220 is used for controlling the fan of the gas baking oven to operate at a high speed when receiving the second control signal, and controlling the fan of the gas baking oven to operate at a high speed after operating at a low speed for a first time period T when receiving the third control signal; the high-speed running and the low-speed running of the fan are two running gears of the fan, which are two mature concepts in the market;
a microcontroller 300, an input end of the microcontroller 300 is electrically connected with the sensing module 100, an output end of the microcontroller 300 is electrically connected with the control module 200,
the microcontroller 300 is configured to send the first control signal to the pulse igniter control unit 210 when the furnace door is opened,
and is further configured to send the second control signal to the fan control unit 220 when the furnace door is closed and the temperature value collected by the temperature sensor 110 is higher than a preset value Ts,
when the furnace door is closed and the temperature value collected by the temperature sensor 110 is not higher than a preset value Ts, the third control signal is sent to the fan control unit 220.
Specifically, in this embodiment, through the collection to the temperature information in furnace door position information and the furnace to according to the furnace door position information who gathers and the temperature information's in the furnace level signal, control fan and impulse ignition ware, can avoid leading to gas concentration unusual and produce the explosion because the furnace door opens, can avoid leading to the incomplete combustion of gas to produce carbon monoxide because the temperature is low excessively to a certain extent simultaneously, can guarantee the safe operation of gas roaster.
Referring to fig. 2, in a preferred embodiment of the present invention, the temperature sensor 110 is connected to the microcontroller 300 through a temperature signal detection circuit, the temperature signal detection circuit includes a temperature AD signal input unit, the AD signal input unit is connected to one end of a first resistor R1, the other end of the first resistor R1 is connected to one end of a first capacitor C1 and one AD port of the microcontroller 300, and the other end of the first capacitor C1 is grounded.
In this embodiment, the above circuits are selected to ensure smooth collection of temperature information in the furnace by the temperature sensor 110.
Referring to fig. 2, as a preferred embodiment of the present invention, the furnace door position sensor 120 is connected to the microcontroller 300 through a door switch detection circuit, the door switch detection circuit includes a first power source V1, the first power source V1 is connected to one end of a second resistor R2, the other end of the second resistor R2 is connected to one end of a third resistor R3 and one end of a SW door switch, the other end of the SW door switch is connected to one end of a second capacitor C2 and ground, and the other end of the third resistor R3 is connected to the other end of the second capacitor C2 and a first interrupt port of the microcontroller 300.
In this embodiment, the smooth acquisition of furnace door position information by the furnace door position sensor 120 can be ensured by selecting the above circuit.
Referring to fig. 2, as a preferred embodiment of the present invention, the microcontroller 300 and the pulse igniter control unit 210 are connected through a pulse igniter control circuit including an output state detecting part including a second power source V2, the second power source V2 being connected to a negative electrode of a first diode D1, an anode of the first diode D1 being connected to a second interrupt port of the microcontroller 300, one end of a third capacitor C3, one end of a fourth resistor R4, and one end of a fifth resistor R5, respectively, the other end of the third capacitor C3 and the other end of the fourth resistor R4 being commonly grounded, and a control part including a sixth resistor R6 having one end connected to the third interrupt port of the microcontroller 300, the other end of the sixth resistor R6 being connected to one end of a seventh resistor R7 and a base of a first transistor QN1T1, respectively, the other end of the seventh resistor R7 and the emitting electrode of the first triode QN1T1 are grounded together, the collecting electrode of the first triode QN1T1 is connected with the other end of the fifth resistor R5 and the anode of the second diode D2 respectively, the cathode of the second diode D2 is connected with a third power supply V3, a first RELAY RELAY is arranged at the position of the second diode D2 in parallel, the switching position of the first RELAY RELAY is connected with one end of a live wire and one end of a pulse igniter respectively, and the other end of the pulse igniter is connected with a zero wire.
In the present embodiment, the selection of the above-described circuit ensures control of the pulse igniter by the microcontroller 300.
Referring to fig. 2, in a preferred embodiment of the present invention, the microcontroller 300 is connected to the fan control unit 220 through a fan control circuit, the fan control circuit includes an eighth resistor R8 having one end connected to a fourth interrupt port of the microcontroller 300, the other end of the eighth resistor R8 is connected to a base of a second transistor QN2T2 and one end of a ninth resistor R9, an emitter of the second transistor QN2T2 and the other end of the ninth resistor R9 are commonly grounded, a collector of the second transistor QN2T2 is connected to an anode of a third diode D3, a cathode of the third diode D3 is connected to a fourth power source V4, a second RELAY is connected to the third diode D3 in parallel, a switch portion of the second RELAY is respectively connected to a live wire and one end of a fan, and the other end of the fan is connected to a neutral wire.
In the present embodiment, the control of the fan by the microcontroller 300 can be ensured by selecting the above-described circuit.
In a preferred embodiment of the present invention, the first time period T is 30 seconds.
In the embodiment, multiple experiments prove that the first time period T is set to 30 seconds, so that the ignition success rate at low temperature can be improved better, and the emission of carbon monoxide after normal combustion is controlled to be ignited is not overproof.
In a preferred embodiment of the present invention, the temperature sensor 110 is a probe type K type 0-400 degree thermocouple.
In the present embodiment, a probe type K-type 0-400 degree thermocouple is used, but other temperature sensors 110 satisfying the present embodiment may be used.
As a preferred embodiment of the invention, the furnace door position sensor is of a model ME-8104 travel switch or a GPS-23 reed switch.
In this embodiment, the model of the adopted furnace door position sensor 120 is ME-8104 travel switch or GPS-23 reed switch, and these two switches are the furnace door position sensors 120 with better two test results obtained by the staff through the test, and certainly, other furnace door position sensors 120 capable of meeting the scheme are also possible.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. A gas oven control system, comprising:
the induction module is arranged at the hearth of the gas baking oven and comprises a plurality of induction modules,
a temperature sensor for collecting the temperature of the hearth of the gas baking oven,
the furnace chamber door position sensor is used for acquiring furnace chamber door position information of the gas baking oven;
a control module, the control module comprising,
a pulse igniter control unit for controlling the power supply of the pulse igniter of the gas baking oven to be disconnected when receiving the first control signal,
the fan control unit is used for controlling the fan of the gas baking oven to operate at a high speed when receiving a second control signal, and controlling the fan of the gas baking oven to operate at a high speed after the fan operates at a low speed for a first time period T when receiving a third control signal;
the input end of the microcontroller is electrically connected with the induction module, the output end of the microcontroller is electrically connected with the control module,
the microcontroller is used for sending the first control signal to the pulse igniter control unit when the hearth door is opened,
and is also used for sending the second control signal to the fan control unit when the furnace door is closed and the temperature value acquired by the temperature sensor is higher than a preset value Ts,
and when the furnace door is closed and the temperature value acquired by the temperature sensor is not higher than a preset value Ts, the third control signal is sent to the fan control unit.
2. The gas roaster control system as claimed in claim 1, wherein the temperature sensor is connected to the microcontroller via a temperature signal detection circuit, the temperature signal detection circuit comprises a temperature AD signal input unit, the AD signal input unit is connected to one end of a first resistor, the other end of the first resistor is connected to one end of a first capacitor and an AD port of the microcontroller, respectively, and the other end of the first capacitor is grounded.
3. The gas roaster control system of claim 1, wherein the furnace door position sensor is connected to the microcontroller through a door switch detection circuit, the door switch detection circuit comprises a first power source connected to one end of a second resistor, the other end of the second resistor is connected to one end of a third resistor and one end of a SW door switch, the other end of the SW door switch is connected to one end of a second capacitor and ground, and the other end of the third resistor is connected to the other end of the second capacitor and a first interrupt port of the microcontroller.
4. The gas roaster control system according to claim 1, wherein the microcontroller is connected to the pulse igniter control unit through a pulse igniter control circuit, the pulse igniter control circuit comprises an output state detecting part and a control part, the output state detecting part comprises a second power source, the second power source is connected to a cathode of a first diode, an anode of the first diode is connected to a second interrupt port of the microcontroller, one terminal of a third capacitor, one terminal of a fourth resistor and one terminal of a fifth resistor, respectively, the other terminal of the third capacitor and the other terminal of the fourth resistor are commonly grounded, the control part comprises a sixth resistor, one terminal of which is connected to the third interrupt port of the microcontroller, the other terminal of the sixth resistor is connected to one terminal of a seventh resistor and a base of a first transistor QN1, respectively, the other end of the seventh resistor and the emitting electrode of the first triode QN1 are grounded together, the collecting electrode of the first triode QN1 is connected with the other end of the fifth resistor and the anode of the second diode respectively, the cathode of the second diode is connected with a third power supply, a first RELAY RELAY is arranged at the second diode in parallel, the switch part of the first RELAY RELAY is connected with the live wire and one end of the pulse igniter respectively, and the other end of the pulse igniter is connected with the zero line.
5. The gas roaster control system as claimed in claim 1, wherein the microcontroller is connected to the fan control unit through a fan control circuit, the fan control circuit comprises an eighth resistor having one end connected to a fourth interrupt port of the microcontroller, the other end of the eighth resistor is connected to a base of a second transistor QN2 and one end of a ninth resistor, an emitter of the second transistor QN2 and the other end of the ninth resistor are commonly grounded, a collector of the second transistor QN2 is connected to an anode of a third diode, a cathode of the third diode is connected to a fourth power supply, a second RELAY is connected in parallel to the third diode, a switching part of the second RELAY is connected to a live wire and one end of a fan, and the other end of the fan is connected to a neutral wire.
6. The gas roaster control system of claim 1 wherein the first time period T is 30 seconds.
7. The gas roaster control system of claim 1, wherein the temperature sensor is a probe type K type 0-400 degree thermocouple.
8. The gas oven control system of claim 1 wherein said furnace door position sensor is of the type ME-8104 travel switch or GPS-23 reed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021396272.5U CN213363281U (en) | 2020-07-15 | 2020-07-15 | Gas baking oven control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021396272.5U CN213363281U (en) | 2020-07-15 | 2020-07-15 | Gas baking oven control system |
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| CN213363281U true CN213363281U (en) | 2021-06-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947459A (en) * | 2020-07-15 | 2020-11-17 | 梁晓瞳 | Safety control method, system and equipment for gas baking oven |
| CN115502065A (en) * | 2022-09-20 | 2022-12-23 | 一汽丰田汽车有限公司 | Method and device for determining backup mode of drying furnace, electronic equipment and storage medium |
| CN117160817A (en) * | 2023-11-02 | 2023-12-05 | 太仓中集特种物流装备有限公司 | Container identification coating drying system |
-
2020
- 2020-07-15 CN CN202021396272.5U patent/CN213363281U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111947459A (en) * | 2020-07-15 | 2020-11-17 | 梁晓瞳 | Safety control method, system and equipment for gas baking oven |
| CN115502065A (en) * | 2022-09-20 | 2022-12-23 | 一汽丰田汽车有限公司 | Method and device for determining backup mode of drying furnace, electronic equipment and storage medium |
| CN117160817A (en) * | 2023-11-02 | 2023-12-05 | 太仓中集特种物流装备有限公司 | Container identification coating drying system |
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