CN113625156A - Oven control system - Google Patents
Oven control system Download PDFInfo
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- CN113625156A CN113625156A CN202110928020.5A CN202110928020A CN113625156A CN 113625156 A CN113625156 A CN 113625156A CN 202110928020 A CN202110928020 A CN 202110928020A CN 113625156 A CN113625156 A CN 113625156A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/286—External aspects, e.g. related to chambers, contacting devices or handlers
- G01R31/2862—Chambers or ovens; Tanks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/286—External aspects, e.g. related to chambers, contacting devices or handlers
- G01R31/2868—Complete testing stations; systems; procedures; software aspects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/2872—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation
- G01R31/2874—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation related to temperature
- G01R31/2875—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation related to temperature related to heating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/2872—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation
- G01R31/2881—Environmental, reliability or burn-in testing related to electrical or environmental aspects, e.g. temperature, humidity, vibration, nuclear radiation related to environmental aspects other than temperature, e.g. humidity or vibrations
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
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- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Automation & Control Theory (AREA)
- Remote Sensing (AREA)
- Control Of Temperature (AREA)
Abstract
The invention discloses an oven control system which comprises an identity recognition device, a reading device, a main control device, a heating device and a temperature detection device, wherein the identity recognition device can read identity information of workers, the main control device grants baking permission to the identity information which is verified to pass, the workers granted with the baking permission can open an oven to bake, unnecessary loss caused by improper operation when workers without permission bake can be avoided, the reading device reads a flow card number of a product to be baked, the main control device obtains a corresponding baking parameter according to the flow card number of the product to be baked and controls the oven to work according to the baking parameter, manual input of the baking parameter of the product to be baked is not needed, and the problem that errors are easily caused when the baking parameter is manually input can be avoided.
Description
Technical Field
The invention relates to the technical field of chip testing, in particular to an oven control system.
Background
At present, in the field of electronic chip testing, on one hand, an oven is used for high and low temperature aging testing of chips, after the chips are put into the oven for high and low temperature baking, the chips are subjected to DC testing, functional testing and the like, and then the chips subjected to high and low temperature aging are subjected to electrical testing to detect the stability of the chips at different temperatures; on the other hand, the oven can also be used for baking the chip at a constant temperature according to time intervals so as to enhance the stability of the chip.
In the oven in the prior art, any person can operate the oven, and if a non-professional person opens the oven to bake, wrong operation is easy to occur to cause baking failure, so that the performance of a chip is influenced, even the oven is damaged, and unnecessary loss is generated; in addition, the oven needs to be manually set by an operator according to needs, such as temperature section, baking time, baking steps and the like, and the conditions that test failure, chip performance influence or oven damage and the like are caused by wrong input parameters exist. In addition, in the baking process, a worker needs to regularly patrol to check the state of the oven, which consumes a lot of manpower and time, but cannot realize real-time monitoring of the state of the oven.
Disclosure of Invention
The invention aims to provide an oven control system which can avoid unnecessary loss caused by improper operation of non-professionals, does not need an operator to manually input baking parameters and can avoid the problem that the manual input parameters are easy to make mistakes.
In order to achieve the above object, the present invention provides an oven control system comprising:
the identity recognition device is used for reading identity information of a worker;
the reading device is used for reading the process card number of the product to be baked;
The master control device is connected with the identity recognition device and the reading device and used for granting baking permission to the identity information passing the verification, acquiring baking parameters corresponding to the product to be baked according to the process card number and controlling the operation of an oven according to the baking parameters;
the heating device is connected with the main control device so as to heat the oven under the control of the main control device;
the temperature detection device is connected with the main control device and used for detecting the temperature in real time and sending the detected temperature to the main control device.
Preferably, each flow card number corresponds to batch information of a product, the master control device obtains the batch information corresponding to the product to be baked according to the flow card number, and obtains the corresponding baking parameter according to the batch information.
Preferably, the temperature detection device includes:
the temperature detection device includes:
the temperature sensors are respectively distributed at different positions in the oven and are used for detecting the temperatures at different positions in the oven in real time;
the master control device comprises:
the temperature controller is connected with the at least one temperature sensor and the heating device and is used for controlling the heating device to work according to the baking parameters and the temperature in the oven;
The industrial personal computer is connected with the reading device, is in communication connection with other temperature sensors and the temperature controller, sends detected temperature to the industrial personal computer, and sends the baking parameters to the temperature controller;
the oven control system further comprises a timing device, wherein the timing device is in communication connection with the industrial personal computer and is used for timing the working time of the oven according to the baking parameters.
Preferably, the industrial computer has a timing function, the timing function of the industrial computer and the timing device are mutually independent, and when the timing of the timing device or the industrial computer is finished, if the temperature in the oven does not reach the baking temperature range, the industrial computer sends out an alarm signal.
Preferably, the oven control system further comprises:
the temperature acquisition device is connected with the temperature sensor, and other the temperature sensor passes through the temperature acquisition device with industrial computer communication connection, the temperature acquisition device is used for gathering other in real time the temperature that the temperature sensor detected and with the temperature that detects send for the industrial computer, the industrial computer basis the temperature sensor's detection temperature generates, preserves and shows many temperature curves.
Preferably, the oven control system further comprises:
the first overtemperature protector and the second overtemperature protector are used for stopping heating of the heating device when the temperature in the oven reaches a temperature protection value; the first over-temperature protector is installed at the heating device and connected with the heating device, and the second over-temperature protector is installed inside the oven and connected with the heating device.
And the alarm device is used for sending an alarm signal when the temperature in the oven reaches a temperature protection value.
Preferably, when the temperature sensor connected with the temperature controller detects that the temperature in the oven reaches a temperature protection value, the temperature controller controls the heating device to stop heating, and the alarm device sends out an alarm signal.
Preferably, when any temperature sensor connected with the industrial personal computer detects that the temperature in the oven reaches a temperature protection value, the industrial personal computer enables the heating device to stop heating, and the alarm device sends out an alarm signal.
Preferably, when the temperature in the oven is abnormal, the industrial personal computer sends an abnormal alarm to a worker.
Preferably, the oven control system further comprises:
the gas detection device is connected with the main control device and used for detecting the real-time flow of the nitrogen in the oven and sending the real-time flow of the nitrogen to the main control device;
and when the real-time flow of the nitrogen is abnormal, the main control device controls the alarm device to give an alarm.
In the oven control system, the identity recognition device can read the identity information of the staff, the main control device grants the baking authority to the identity information which is verified, the staff granted with the baking authority can open the oven to bake, unnecessary loss caused by improper operation when the staff without the authority performs baking can be avoided, the reading device reads the flow card number of the product to be baked, the main control device obtains the corresponding baking parameter according to the flow card number of the product to be baked and controls the oven to work according to the baking parameter, manual input of the baking parameter of the product to be baked is not needed, and the problem that the manual input of the baking parameter is easy to make mistakes can be avoided.
Drawings
FIG. 1 is a block schematic diagram of an oven control system according to an embodiment of the present invention.
Fig. 2 is a block diagram of an oven control system according to another embodiment of the present invention.
Fig. 3 is a schematic block diagram of a temperature detection device, a main control device and a temperature acquisition device in an oven control system according to another embodiment of the present invention.
Fig. 4 is a block schematic diagram of an oven control system according to yet another embodiment of the present invention.
Fig. 5 is a block diagram of an oven control system according to yet another embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, and effects of the present invention in detail, the following detailed description is given with reference to the embodiments and the accompanying drawings.
As shown in fig. 1, the present invention provides an oven control system, which includes an identity recognition device 10, a reading device 20, a main control device 30, a heating device 40, and a temperature detection device 50, wherein the identity recognition device 10 is used for reading identity information of a worker; the reading device 20 is used for reading the process card number of the product to be baked; the master control device 30 is connected with the identity recognition device 10 and the reading device 20, and is used for granting baking permission to the identity information passing the verification, acquiring baking parameters corresponding to the product to be baked according to the process card number, and controlling the oven to work according to the baking parameters; the heating device 40 is connected with the main control device 30 to heat the oven under the control of the main control device 30; the temperature detection device 50 is connected to the main control device 30, and is configured to detect a temperature in real time and send the detected temperature to the main control device 30.
In the oven control system, the identity recognition device 10 can read the identity information of the staff, the main control device 30 grants the baking authority to the identity information which is verified, the staff granted with the baking authority can open the oven for baking, unnecessary loss caused by improper operation when the staff without the authority performs baking can be avoided, the reading device 20 reads the flow card number of the product to be baked, the main control device 30 obtains the corresponding baking parameter according to the flow card number of the product to be baked and controls the oven to work according to the baking parameter, the baking parameter of the product to be baked does not need to be manually input, and the problem that the manual input of the baking parameter is easy to make mistakes can be avoided.
In this embodiment, identification means 10 can include bar code scanner, be formed with the two-dimensional code in staff's tablet or the certificate of working on duty of staff, bar code scanner scans the two-dimensional code and can read staff's identity information, identification means 10 or main control set 30 or other devices verify this staff according to the identity information that identification means 10 read, main control set 30 grants the identity information who verifies to pass through and toasts the permission, the staff that is granted to toasting the permission can open the oven and toast the operation, the staff that does not toast the permission can't open the oven, through setting up the toasting permission, can appoint professional staff to toast the operation, other non-professional staff do not have the permission of toasting then can't open the oven and toast the operation, improper operation when avoiding non-professional staff to toast causes unnecessary loss.
Of course, the identity recognition device 10 of the present invention is not limited to be configured to scan a two-dimensional code to read the identity information of a worker, and may also be configured to scan a bar code to obtain the identity information of the worker, or the identity recognition device 10 may be configured to obtain the identity information of the worker through face recognition, fingerprint recognition, and the like, so as to verify the identity information of the worker.
In some embodiments, the reading device 20 may be configured as a code reader, a barcode for reading by the code reader may be set on the product to be baked, each barcode of the product to be baked corresponds to a flow card number, the flow card number is associated with batch information of the product to be baked, the barcode reader can obtain the flow card number of the product to be baked by reading the barcode of the product to be baked, the main control device 30 obtains the batch information corresponding to the parameter to be baked according to the flow card number, and then obtains the corresponding baking parameter according to the batch information. In the present invention, the baking parameters corresponding to each batch are recorded in a database (not shown) in advance, and the main control device 30 can read the baking parameters of the corresponding batch from the database according to the batch information.
In addition, in some embodiments, the door of the oven is provided with an electromagnetic lock (not shown), after the oven door is closed and the baked product is started, the electromagnetic lock locks the door of the oven, and only when the temperature inside the oven is abnormal or the baking is finished, the electromagnetic lock can be unlocked to open the door of the oven, so that the baking interruption or the accident caused by the opening of the door of the oven in the baking process can be prevented.
Further, as shown in fig. 1 to 3, the temperature detection device 50 includes a plurality of temperature sensors 51, and a plurality of temperature sensors 51 distribute respectively in different positions in the oven for the temperature of different positions in the real-time detection oven can effectively manage and control the baking temperature of oven, ensures that the temperature of each position in the oven all accords with the baking parameter, guarantees that the temperature homoenergetic of each position in the oven can reach the baking requirement, prevents that the temperature of each position in the oven is inhomogeneous to make the chip bake the back quality not good.
The main control device 30 comprises a temperature controller 31 and an industrial personal computer 32, the oven control system further comprises a timing device 60, the temperature controller 31 is connected with a temperature sensor 51 and the heating device 40, and the temperature controller 31 is used for controlling the heating device 40 to work according to baking parameters and the temperature in the oven. The industrial personal computer 32 is connected with the reading device 20, the industrial personal computer 32 is in communication connection with other temperature sensors 51 (other temperature sensors 51 except the temperature sensor 51 connected with the temperature controller 31), the temperature controller 31 and the timing device 60, the other temperature sensors 51 send detected temperatures to the industrial personal computer 32, the industrial personal computer 32 respectively sends baking parameters to the temperature controller 31 and the timing device 60, the temperature controller 31 controls the heating device 40 to heat according to the baking parameters, and the timing device 60 times the working duration of the oven according to the baking parameters.
In this embodiment, the baking parameters may include baking temperature, heating time, constant temperature time, limitation baking temperature range, over-temperature, cooling time and the like, the temperature detection device 50 includes 7 temperature sensors 51, wherein 6 temperature sensors 51 are in communication connection with the industrial personal computer 32, and 1 temperature sensor 51 is connected with the temperature controller 31. In the present embodiment, the temperature sensors 51 may be, but are not limited to, PT100 temperature probes, and of course, the number and form of the temperature sensors 51 are not limited by the present invention.
Specifically, the industrial personal computer 32 obtains the baking parameters corresponding to the product to be baked through the process card number read by the reading device 20, the industrial personal computer 32 sends the baking temperature in the baking parameters to the temperature controller 31, the heating time duration is sent to the timing device 60, the temperature controller 31 starts to control the heating device 40 to heat the oven according to the baking temperature, meanwhile, the timing device 60 counts down according to the heating time duration, if the temperature in the oven is heated to the baking temperature before the countdown of the timing device 60 is finished, the industrial personal computer 32 sends the constant temperature time duration to the timing device 60, the temperature controller 31 controls the heating device 40 to keep the temperature in the oven within the range of the limited baking temperature, and the timing device 60 counts down according to the constant temperature time duration. If the counting device 60 counts down the temperature rise time and the temperature in the oven does not reach the baking temperature, the industrial personal computer 32 sends an alarm signal to remind the worker, for example, the industrial personal computer 32 can send the alarm signal to an alarm device such as a buzzer or an alarm lamp, and the alarm device such as the buzzer or the alarm lamp receives the alarm signal and then responds to alarm to remind the worker that the oven is abnormal. In this embodiment, the temperature of industrial computer 32 real time monitoring oven need not to arrange the staff and regularly patrols, can discover the oven intensification overtime the very first time, avoids heating time length overtime to arouse that the product can't reach the condition of toasting, also can prevent to delay product shipment time when guaranteeing the product quality.
Preferably, the industrial personal computer 32 has a timing function and is independent of the timing device 60 for timing, and when the oven starts to heat, the industrial personal computer 32 and the timing device 60 start timing at the same time. In the oven heating process, when the timing device 60 or the industrial personal computer 32 finishes timing, if the temperature in the oven of the heating device 40 does not reach the baking temperature range, the industrial personal computer 32 sends out an alarm signal to remind a worker that the oven is heated up overtime. The industrial personal computer 32 and the timing device 60 can realize double guarantee for synchronous timing, and the situation that timing cannot be conducted or timing is wrong when one of timing functions of the timing device 60 or the industrial personal computer 32 is abnormal is prevented.
In some embodiments, as shown in fig. 3, the oven control system further includes a temperature acquisition device 70, the temperature acquisition device 70 is connected to other 6 temperature sensors 51 (other 6 temperature sensors 51 except the one temperature sensor 51 connected to the temperature controller 31), the 6 temperature sensors 51 are in communication connection with the industrial personal computer 32 through the temperature acquisition device 70, the temperature acquisition device 70 is configured to acquire the temperatures detected by the 6 temperature sensors 51 in real time and send the detected temperatures to the industrial personal computer 32, and the industrial personal computer 32 generates, stores and displays a plurality of temperature curves according to the temperatures detected by the temperature sensors 51.
Specifically, the temperature acquisition device 70 is a DAQM-4201 temperature acquisition device, the DAQM-4201 temperature acquisition device converts the temperatures detected by the 6 temperature sensors 51 into RS485 signals, the DAQM-4201 temperature acquisition device is configured to acquire the temperature data of the temperature sensors 51 every 5S and convert the temperature data into RS485 signals to be sent to the industrial personal computer 32, the industrial personal computer 32 generates 6 temperature curves according to the temperature data, the 6 temperature curves are stored in the database and can be displayed through a visual interface of the industrial personal computer 32, the temperature change of each position of the oven in the whole baking process can be checked, the temperature curves can be called out from the database for checking after the baking is completed, and the traceability of the baking temperature of the product is realized. Of course, the temperature collection device 70 of the present invention is not limited to the DAQM-4201 temperature collector in the above-described specific example.
In some embodiments, as shown in fig. 4, the oven control system further includes a first over-temperature protector 80, a second over-temperature protector 81, and an alarm device 82, the first over-temperature protector 80 and the second over-temperature protector 81 are used for stopping the heating device 40 from heating when the temperature in the oven reaches a temperature protection value, wherein the first over-temperature protector 80 is installed at the heating device 40 and connected with the heating device 40, and the second over-temperature protector 81 is installed inside the oven and connected with the heating device 40. The alarm device 82 is used for sending out an alarm signal to remind workers when the temperature in the oven reaches a temperature protection value. In this embodiment, the alarm device 82 may be a buzzer, an alarm lamp, or other devices capable of giving an alarm.
Specifically, the first overtemperature protector 80 and the second overtemperature protector 81 are both mechanical overtemperature protectors, any one of the heating device 40 and the oven reaches a temperature protection value, the first overtemperature protector 80 or the second overtemperature protector 81 acts to disconnect the heating device 40 to stop heating the heating device 40, and meanwhile the alarm device 82 sends out an alarm signal to enable a worker to check and process the condition of the oven in time. The temperature protection value in this embodiment may be set to the over-temperature in the baking parameter, and the over-temperature protector is respectively set at the heating device 40 and inside the oven, so as to prevent the oven and the baked product from being damaged due to over-high temperature.
Further, when the temperature sensor 51 connected to the temperature controller 31 detects that the temperature in the oven reaches a temperature protection value, the temperature controller 31 controls the heating device 40 to stop heating, and the alarm device 82 sends an alarm signal. In this embodiment, the temperature controller 31 performs over-temperature protection on the oven, so as to further prevent the oven and baked products from being damaged due to over-high temperature.
Furthermore, when any temperature sensor 51 connected with the industrial personal computer 32 detects that the temperature in the oven reaches a temperature protection value, the industrial personal computer 32 stops heating the heating device 40, the alarm device 82 sends out an alarm signal, namely, when any temperature in the oven is too high, the industrial personal computer 32 controls the heating device 40 to stop heating, so that the multi-path temperature monitoring can be carried out on the oven, and the all-round over-temperature protection of the oven is realized.
In some embodiments, the industrial personal computer 32 sends an exception alert to the operator when the temperature within the oven is abnormal, such as may be the case when an over-temperature is reached or exceeded, a temperature rise time out, a temperature not within a limited baking temperature range, etc.
Specifically, the database stores contact information of workers, when the temperature in the oven is abnormal, the industrial personal computer 32 calls the contact information of the workers in the database, and sends an abnormal alarm to the workers through the communication platform, for example, a short message notification can be sent to a mobile terminal of the workers or a message notification can be sent to communication software such as WeChat of the workers, WeChat of enterprises and the like, when the oven is abnormal, the abnormal alarm is sent to the workers, so that the workers can master the condition of the oven in real time, and the oven can be monitored in real time without patrol inspection of the workers. In this embodiment, the worker may include a worker who starts a baking operation, a manager of the oven, and the like.
In some embodiments, as shown in fig. 5, the oven control device further includes a gas detection device 90 and an alarm device 82, the gas detection device 90 is connected to the main control device 30 and is configured to detect a real-time flow rate of nitrogen gas in the oven and send the real-time flow rate of nitrogen gas to the main control device 30, and when the real-time flow rate of nitrogen gas is abnormal, the main control device 30 controls the alarm device 82 to send an alarm signal. In the present embodiment, the gas detection device 90 may be, but is not limited to, an MF4008 gas flow meter, and the alarm device 82 may be provided as a buzzer, an alarm lamp, or the like. In this example, the baking parameters also include nitrogen flow.
Particularly, gas detection device 90 is connected with industrial computer 32, gas detection device 90 gathers the flow of nitrogen gas in the oven in real time and converts into RS485 signal transmission and gives industrial computer 32, the flow of nitrogen gas in the oven is shown in real time at industrial computer 32's visual interface, realize industrial computer 32 to the real time monitoring of oven nitrogen gas flow, when oven nitrogen gas flow is unusual, industrial computer 32 control alarm device 82 sends alarm signal in order to remind the staff in time to handle, avoid oven nitrogen gas flow to lead to the baked product to take place abnormal oxidation unusually, the quality safety of baked product among the baking process has been guaranteed.
In some embodiments, after the product is baked, the reader 20 scans the barcode of the product to obtain the process card number, the industrial personal computer 32 performs baking entry on the product according to the process card number, the baking record of the product is associated with the process card number and stored in the database, and only the product with the baking record is allowed to flow out and enter the next process flow, so as to prevent the product which is not baked from being released, and ensure that the product of each batch can enter the next process flow after being baked.
The above disclosure is only a preferred embodiment of the present invention, which is convenient for those skilled in the art to understand and implement, and certainly not to limit the scope of the present invention, which is not intended to be covered by the present invention.
Claims (10)
1. An oven control system, comprising:
the identity recognition device is used for reading identity information of a worker;
the reading device is used for reading the process card number of the product to be baked;
the master control device is connected with the identity recognition device and the reading device and used for granting baking permission to the identity information passing the verification, acquiring baking parameters corresponding to the product to be baked according to the process card number and controlling the operation of an oven according to the baking parameters;
the heating device is connected with the main control device so as to heat the oven under the control of the main control device;
the temperature detection device is connected with the main control device and used for detecting the temperature in real time and sending the detected temperature to the main control device.
2. The oven control system of claim 1, wherein each flow card number corresponds to batch information of a product, the master control device obtains the batch information corresponding to the product to be baked according to the flow card number, and obtains the corresponding baking parameters according to the batch information.
3. The oven control system of claim 1, wherein the temperature detection device comprises:
The temperature sensors are respectively distributed at different positions in the oven and are used for detecting the temperatures at different positions in the oven in real time;
the master control device comprises:
the temperature controller is connected with the at least one temperature sensor and the heating device and is used for controlling the heating device to work according to the baking parameters and the temperature in the oven;
the industrial personal computer is connected with the reading device, is in communication connection with other temperature sensors and the temperature controller, sends detected temperature to the industrial personal computer, and sends the baking parameters to the temperature controller;
the oven control system further comprises a timing device, wherein the timing device is in communication connection with the industrial personal computer and is used for timing the working time of the oven according to the baking parameters.
4. The oven control system of claim 3, wherein the industrial personal computer has a timing function, the timing function of the industrial personal computer is independent of the timing device, and when the timing of the timing device or the industrial personal computer is finished, if the temperature in the oven does not reach the baking temperature range, the industrial personal computer sends out an alarm signal.
5. The oven control system of claim 3, further comprising:
the temperature acquisition device is connected with the temperature sensor, and other the temperature sensor passes through the temperature acquisition device with industrial computer communication connection, the temperature acquisition device is used for gathering other in real time the temperature that the temperature sensor detected and with the temperature that detects send for the industrial computer, the industrial computer basis the temperature sensor's detection temperature generates, preserves and shows many temperature curves.
6. The oven control system of claim 3, further comprising:
the first overtemperature protector and the second overtemperature protector are used for stopping heating of the heating device when the temperature in the oven reaches a temperature protection value; the first over-temperature protector is installed at the heating device and connected with the heating device, and the second over-temperature protector is installed inside the oven and connected with the heating device.
And the alarm device is used for sending an alarm signal when the temperature in the oven reaches a temperature protection value.
7. The oven control system of claim 6, wherein when the temperature sensor connected with the temperature controller detects that the temperature in the oven reaches a temperature protection value, the temperature controller controls the heating device to stop heating, and the alarm device gives an alarm signal.
8. The oven control system of claim 6, wherein when any temperature sensor connected with the industrial personal computer detects that the temperature in the oven reaches a temperature protection value, the industrial personal computer stops heating the heating device, and the alarm device sends out an alarm signal.
9. The oven control system of claim 6, wherein the industrial personal computer sends an exception alarm to a worker when the temperature in the oven is abnormal.
10. The oven control system of claim 1, further comprising:
the gas detection device is connected with the main control device and used for detecting the real-time flow of the nitrogen in the oven and sending the real-time flow of the nitrogen to the main control device;
and when the real-time flow of the nitrogen is abnormal, the main control device controls the alarm device to send out an alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928020.5A CN113625156A (en) | 2021-08-13 | 2021-08-13 | Oven control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110928020.5A CN113625156A (en) | 2021-08-13 | 2021-08-13 | Oven control system |
Publications (1)
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