CN201712044U - Wood thermal treatment control system - Google Patents
Wood thermal treatment control system Download PDFInfo
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- CN201712044U CN201712044U CN2010202586024U CN201020258602U CN201712044U CN 201712044 U CN201712044 U CN 201712044U CN 2010202586024 U CN2010202586024 U CN 2010202586024U CN 201020258602 U CN201020258602 U CN 201020258602U CN 201712044 U CN201712044 U CN 201712044U
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Abstract
The utility model provides a wood thermal treatment control system which comprises a front-end control system and a background control system, wherein the front-end control system comprises a front-end host, and a temperature and humidity regulating device and a temperature and humidity detection device respectively connected to the front-end host, the front-end host is used for receiving values detected by the temperature and humidity sensing device and controlling the temperature and humidity regulating device to carry out temperature and humidity regulation according to preset reference control rules; and the background control system is used for receiving the values detected by the temperature and humidity sensing device from the front-end host and carrying out the analysis processing of the detected values. The wood thermal treatment control system can precisely control the field temperature and the humidity, thereby having no environmental pollution; and the wood thermal treatment control system is mainly used for anti-insect immunization on wood packaging material of import and export goods and can also be used for anti-inspect and anti-corrosion immunization on export furniture wood, thereby not only ensuring the color of plates unchanged, but also killing insects and avoiding environmental pollution.
Description
Technical Field
The utility model relates to a technical field that timber protection against insects was handled especially relates to a timber heat treatment control system.
Background
In order to protect the safe transportation of export trade goods, the goods are often packaged by wood materials. In order to prevent wood packaging materials from spreading forest diseases and insect pests in the transportation process, inspection and quarantine agencies of various countries in the world stipulate that: before the goods are imported and exported into other countries, the wood packaging materials of the imported and exported goods need to be subjected to permanent insect-resistant immune treatment, and the export inspection and quarantine organization provides a plant quarantine certificate and a mark of 'treated in a certain country' on the wood packaging materials to enter and exit together with the goods. The wood insect-proof antiseptic immune treatment method mainly comprises the following steps: fumigating with medicine or steaming (such as fumigating with methyl bromide for killing insect pest), chemical soaking (such as soaking wood with copper chromate arsenate antiseptic solution for killing insect pest and sterilizing), heating and oven drying for heat treatment, etc. The disadvantages of the drug fumigation and chemical immersion treatment are that certain pollution exists to the environment; the wood after chemical impregnation treatment has high humidity and needs to consume more energy when being dried. At present, more and more enterprises in China are willing to adopt a heat treatment method to treat the wood packaging material, and the heat treatment method can kill pests, ova and bacteria in the wood together and has no pollution to the environment.
There are generally certain requirements for heat treatment of wood: the wood must be dried to a predetermined degree, for example, the moisture content of the wood is between 8-15%, and the wood is not cracked, deformed or shrivelled. The requirements for heat treatment of wood packaging materials are as follows: the wooden packaging material is required to completely kill pests (including pine wood nematodes) and other pests in the wood after heat treatment, and the wooden packaging material is not cracked or excessively deformed when being taken out of a kiln, but is allowed to be slightly distorted, so that the original use function of the wooden packaging material is not affected.
Therefore, the key of the control of the heating treatment of the wood is the technical control and monitoring means of how to make the center of the wood reach the required temperature, how to determine the center temperature of the wood and keep the required center temperature for the specified duration, and secondly, on the premise of meeting the purpose of removing the harmful substances, the wooden package is not excessively wet or excessively dry as much as possible in the heat treatment damage removing process so as to prevent cracking or excessive deformation, meet the original use function, shorten the drying time and improve the efficacy.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a timber heat treatment control system that can accurate control site temperature humidity can not receive the weather influence, avoids causing the pollution to the environment. The wood heat treatment control system can also be used for insect-proof and antiseptic immune treatment of the exported furniture wood, thereby not only ensuring the color of the board to be unchanged, but also killing insect disasters and causing no pollution to the environment.
A wood heat treatment control system comprising a front end control system, the front end control system comprising: the system comprises a temperature and humidity detection device, a temperature and humidity adjusting device and a front-end host computer, wherein the front-end host computer is used for receiving detection values of the temperature and humidity sensing device and controlling the temperature and humidity adjusting device to adjust the temperature and the humidity according to a preset reference control rule; the wood heat treatment control system also comprises a background control system which is used for receiving the detection values of the temperature and humidity sensing devices from the front-end host computer and analyzing and processing the detection values.
Compared with the prior art, the utility model provides a timber heat treatment control system passes through the temperature of temperature, humidity check out test set and obtains the on-the-spot temperature of heat treatment and the detected value of humidity, the front end host computer receives and sends the analysis that goes on to backstage control system after the detected value to according to preset's benchmark control rule, control temperature, humidity control equipment carry out the regulation of temperature and humidity. And the background control system analyzes and processes the detection value. Therefore, the temperature and the humidity of the wood heat treatment site can be accurately controlled, the influence of weather is not needed, and the environment is not polluted. Can be used for processing the import and export wood packaging materials, and solves the problem of insect-proof immunity of the import and export wood packaging materials.
Preferably, in the wood heat treatment control system, the front end control system further includes: and the measurement operation amplifying device is connected between the temperature and humidity detection equipment and the front-end host and is used for amplifying the signals of the detection values of the temperature and humidity sensing equipment.
Preferably, in the wood heat treatment control system, the temperature and humidity detection device comprises a temperature sensor with an elongated probe for measuring the temperature of the core.
Preferably, in the wood heat treatment control system, the background control system comprises: and the background host is used for receiving the temperature and humidity detection values sent by the front-end host and processing background data.
Preferably, in the wood heat treatment control system, the background control system further comprises: and the video monitoring equipment is used for carrying out video monitoring on the wood heat treatment process and sending video data obtained by monitoring to the background host.
Preferably, in the wood heat treatment control system, the background control system comprises: and the display device is connected with the background host and used for displaying according to the processing result of the background host.
Preferably, in the wood heat treatment control system, the background control system further includes: and the printing equipment is connected with the background host and used for printing the detection value data or the analysis result according to the instruction of the background host.
Preferably, in the wood heat treatment control system, the background control system further includes: and the background host is connected and used for sending the processing information of the background host to the communication equipment with the appointed purpose.
Preferably, in the wood heat treatment control system, the background control system further includes: and the alarm device is used for sending an alarm signal according to the alarm command of the background host.
Preferably, in the wood heat treatment control system, one background control system is connected with two or more front-end control systems.
Drawings
FIG. 1 is a schematic structural diagram of a heat treatment control system for wood according to the present invention;
FIG. 2 is a schematic structural diagram of a temperature sensor with a wooden core;
wherein,
10 wood heat treatment control system;
11 a front-end host;
12 temperature and humidity adjusting equipment;
13 temperature and humidity detection equipment;
14 a measurement operational amplifier;
15 background host computer;
16 a display device;
17 a printing device;
18 an alarm device;
19 video monitoring equipment;
20 a communication device.
Detailed Description
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wood heat treatment control system according to the present invention.
The wood heat treatment control system 10 includes a front-end control system and a back-end control system. The front-end machine control system can automatically complete the whole wood drying and heat treatment work, and the background control system is used for analyzing, recording and displaying, alarming and the like on temperature and humidity data in the heat treatment process.
The front end control system comprises a front end host 11, a temperature and humidity adjusting device 12 and a temperature and humidity detecting device 13, wherein the temperature and humidity adjusting device 12 and the temperature and humidity detecting device 13 are respectively connected to the front end host 11, and further the front end control system further comprises a measuring operational amplifying device 14, the measuring operational amplifying device 14 is connected between the temperature and humidity detecting device 13 and the front end host 11 and used for amplifying signals of detection values of the temperature and humidity sensing device 13.
The temperature and humidity detecting device 13 can be implemented by using various temperature and humidity detectors. The front-end control system may further include a device for measuring other parameters of the heat treatment process, such as a device for measuring water content in the chamber of the heat treatment process. In a preferred embodiment, the temperature and humidity detecting device 13 includes a core temperature sensor for measuring the temperature of the core of wood, and the structure is shown in fig. 2. The front end of the wood core temperature sensor comprises a slender temperature probe, and when the temperature of the wood core is measured, the temperature probe is inserted into a small hole leading to the center of the wood to directly detect the temperature of the wood core, so that the obtained temperature data are more accurate and detailed.
The temperature and humidity adjusting device 12 includes a fan, a heating valve, an atomizing valve, a ventilation door, and the like. The front-end control system can further comprise equipment for controlling other parameters of the heat treatment process. The front-end host 11 is provided with corresponding control modules for respectively controlling the temperature and humidity adjusting devices 12 and other adjusting devices.
The front-end host 11 has a microprocessing technology, is a control center of the whole wood drying/heat treatment process, and can continuously monitor environmental parameters (temperature, humidity or balance moisture content and the like in a kiln), wood states (wood moisture content, wood core temperature and the like) and equipment states (actuator states and the like) in the wood drying/heat treatment process through the front-end host 11. And the benchmark control rule of the drying process of the wood to be heat-treated can be preset according to the physical properties (tree species, wood size, final water content and the like) of the wood,
when receiving the parameters detected by the temperature and humidity detection device 13 and other detection devices, the front-end host 11 controls the temperature and humidity adjustment devices 12 and other adjustment devices according to the preset reference control rule, so as to adjust and control the parameters in the heat treatment process, thereby ensuring that the wood has a proper environment in the heat treatment process.
Tests show that the front-end host 11 can edit and store various wood types and wood drying process benchmarks of various sizes, and in practical application, a user can compile a heat treatment process benchmark control rule suitable for the user according to the size, wood type and initial water content of wood to be heat treated and referring to a routine NO:00 program solidified in the front-end host to carry out heat treatment on the wood. According to the size of the wood to be heat-treated, the wood seeds are heated until the temperature of the wood core reaches 80 ℃ and is maintained for a certain period of time to treat the wood, so that insect pests and insect fungi can be thoroughly eliminated, and the heat-treatment material quality is improved. In the present embodiment, the NO 00 standard is a standard routine of the heat treatment and drying process of the wood solidified in the front end host, and the NO 00 program heat treatment and drying process standard control rule is a rule for controlling the progress of the heat treatment and drying process in time.
As a preferred embodiment, the measuring and operational amplifying device 14 includes two data amplifying channels for measuring temperature, two data amplifying channels for measuring humidity, four data amplifying channels for measuring temperature of the wood core, and four data amplifying channels for measuring moisture content of the wood. It is convenient for the front end control system has a plurality of when temperature, humidity check out test set 13, can be to a plurality of temperature, humidity check out test set 13's the detection data carry out data amplification simultaneously. Each of the temperature and humidity detecting devices 13 may be distributed at different test points in the heat treatment kiln to make the measured values representative. The circuits of the temperature, humidity and wood core temperature measuring equipment adopt CMOS low-noise and chopping drift compensation TLC2654IP (industrial grade) operational amplifiers, input bridge arm resistors of TLC2654IP are accurately paired according to design requirements, output resistors are carefully selected, and resistors used for adjusting signals are precise adjustable resistors; the temperature and humidity detection equipment 13 is formed by packaging a German B-grade PT100 platinum resistance chip and a phi 8 multiplied by 45mm stainless steel protective sleeve which is subjected to high-temperature spraying treatment by using SEBF heavy metal protective coating; the wooden core temperature sensor is also packaged by a German B-grade PT100 platinum resistor and a phi 5 multiplied by 45 stainless steel protective sleeve which is processed according to the figure and is provided with a nut at the upper end (the stainless steel protective sleeve is recycled, is convenient to place and take out), and the sensor has good waterproofness and high measurement precision. The multiple measures ensure the accuracy of the output signal, the measurement accuracy error is less than +/-2 ℃, and the quality of the wood heat treatment is ensured. The measurement and control of the wood heat treatment system can be more accurate and the material after heat treatment is better by noticing the following points:
1) reasonably stacking sawn timber: the quality of the stack of logs directly affects the quality and cycle of the heat treatment of the wood. According to the aerodynamic principle, two adjacent layers of boards of the wood to be heat-treated in the stack need to be separated by a parting strip according to requirements, and the wood is stacked into a pile according to a specific mode, so that airflow can uniformly and circularly flow in the pile, various heat treatment drying defects can be reduced to a certain extent during heat treatment of the wood, and the utilization rate of the boards is improved.
2) Installing a wood core temperature sensor: when the heat treatment is carried out on the wooden packaging material, four representative plates are selected as the detection points of the wooden core temperature sensor. The selected plate is required to have straight grains, no obvious knots, no defects of cracking, warping and the like, a hole with the diameter of 5mm is drilled in the center of the plate, the depth of the hole is 1/2-2/3 of the plate, then a wood core temperature sensor is inserted into the hole, the outer wall of the wood core temperature sensor is in close contact with the wall of the hole, and heat-conducting glue is coated on a gap between the sensor and the plate. The detection points of the wood core temperature sensors are respectively placed at representative positions in the kiln, which is important for measuring the temperature of the wood core, and the temperature measurement of the wood heat treatment is more accurate and has higher quality.
After receiving the detection values of various measurement devices, the front-end host 11 synchronously transmits the detection values to the background control system. The background control system comprises a background host computer 15, and the background host computer 15 is used for receiving the temperature and humidity detection values sent by the front-end host computer 11 and processing various background data. In this embodiment, the background host 15 (computer) reads various parameters and sends various instructions during the drying process of each intermediate heat treatment to the front-end host 11 through a communication conversion interface RS232-485 by adopting a photoelectric isolation technology, and the acquired data has high stability, strong interference resistance and long transmission distance.
The background host computer 15 is connected with a display device 16, a printing device 17, an alarm device 18, a video monitoring device 19 and a communication device 20. The corresponding control module is arranged in the background host 15 to control each device connected to the corresponding control module,
for example, a display device driving module is configured to drive the display device 16 to display according to the processing result of the background host 15; the background host 15 reads the environmental parameters (measured values of temperature, humidity and wood core temperature in the kiln, moisture content of wood and the like) and the equipment state (state of an actuating mechanism and the like) in the heat treatment process of each drying kiln in real time and displays the environmental parameters and the equipment state in various interface modes. The kiln temperature, humidity and wood core temperature are displayed on the same interface in a real-time curve mode, the interface also displays a program number, an operation stage, drying set time, drying accumulated time, an operation control mode, an average value of dry and wet balls, four measured point values of the wood core temperature and four measured point values of the wood moisture content (displayed in a Chinese or numerical mode), the valve opening and closing are displayed in a scale mode, the fan forward and reverse rotation is displayed in icon forward and reverse rotation modes, and the display image is vivid and visual (the displayed numerical values, the scales, the curves and the displayed values on a front-end host display screen are consistent).
The printing control module is arranged to control the printing device 17 to print the detection value data or the analysis result according to the instruction of the background host computer 15; various parameters are recorded and displayed in a curve mode in real time in the heat treatment process of each drying kiln, and recorded data can be browsed, inquired and printed. Under the control of the background host computer 15, various parameters in the heat treatment process of each wood drying kiln are recorded in real time, and main measurement parameters are printed and displayed in a curve. The large-capacity system host stores historical data of various parameters in the heat treatment process of the wood in each kiln for browsing, inquiring and printing at any time, so that operators can summarize experience conveniently and make better process reference; if the more detailed condition of each kiln needs to be known in the wood heat treatment process, the single kiln management display interface can be accessed by pressing the 'kiln number' button of each kiln one by one.
A fault alarm control module is arranged for controlling the alarm device 18 to send out an alarm signal according to an alarm command of the background host computer 15; the wood drying/wood packaging heat treatment centralized management monitoring program and the expert system in the background host computer 15 perform circulating detection on the drying process of each drying kiln, and by reading and analyzing the state information of the drying kilns, when the abnormal conditions of measurement and equipment of a certain kiln in the drying process are found, such as: the steam lack of pressure, the over-temperature in the kiln, the over-dry, the abnormal parameter measurement, the failure of the front end machine, the failure of the actuating mechanism and the like automatically give alarms, the display interface of the centralized monitoring system gives an alarm to the red bulb for the drying kiln with the failure, and the reason and the treatment suggestion of the failure are prompted and displayed. And the operator on duty judges and eliminates the faults one by one according to the prompt.
The video monitoring control module is arranged for controlling the video monitoring equipment 19 and the control decoder which are used for displaying the site to carry out video monitoring on the wood heat treatment process, and sending video data obtained by monitoring to the background host computer 15; the camera in the wood heat treatment control system 10 can monitor the real-time condition of important positions outside the kiln, monitor the whole heat treatment process of each batch of wood, and the higher inspection and quarantine bureau can check the heat treatment condition of any batch of wood at any time through a network; conditions within the kiln may also be monitored.
A communication control module is arranged for controlling the communication device 20 to send the processing information of the background host 15 to a specified purpose; the online paperless application and approval between a heat treatment drying enterprise and an inspection and quarantine bureau can be realized, and the method is intuitive, convenient, time-saving and labor-saving; transmitting the on-site video monitoring image, the real-time data and the historical record data to a monitoring center of an inspection and quarantine bureau; the higher inspection and quarantine departments randomly check and monitor the wood heat treatment conditions and data of all kilns in progress of all enterprises through the network and the video monitoring equipment at any time, urge the enterprises to do wood disinsection work as required and jointly shut down the quality of the heat treatment of the wood; remotely guiding an operator of a user to compile a heat treatment process standard and maintain equipment; the remote network guides the user to analyze the position of the problematic fault, the damaged part and how to eliminate the problematic fault.
The wood heat treatment control system 10 of the invention comprehensively utilizes advanced technologies such as a multi-parameter comprehensive measurement technology, a computer fuzzy control technology, an expert system technology and the like, and adopts a plurality of effective technical measures aiming at various wood types, complex process (ensuring that the defects of cracking, deformation and the like of a wood packaging material are not generated in the drying/heat treatment) and the actual use environment of domestic users, so that the system has strong functions, is simple and convenient to operate, can continuously and stably work for a long time, and really realizes a control system of remote monitoring and remote service. When a plurality of sets of front-end control systems are installed in the wood heat treatment control system 10 and correspond to one background control system, a wood drying/heat treatment kiln-clustering centralized management program can be installed in the background host computer 15 (microcomputer), and an operator on duty can remotely know the conditions in the wood drying/heat treatment process and the faults in the heat treatment process in each kiln through a kiln-clustering centralized management interface on a computer screen and can eliminate the faults according to the indication of the computer screen. The application of the group kiln centralized management system reduces the number of operators on duty and the wage expenditure of personnel, lightens the labor intensity of the operators on duty and improves the quality of wood drying/heat treatment plates.
The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A wood heat treatment control system, comprising:
a front end control system, the front end control system comprising:
temperature and humidity detection equipment;
temperature and humidity adjusting equipment;
the front-end host is used for receiving the detection values of the temperature and humidity sensing equipment and controlling the temperature and humidity adjusting equipment to adjust the temperature and the humidity according to a preset reference control rule;
the wood heat treatment control system also comprises a background control system which is used for receiving the detection values of the temperature and humidity sensing devices from the front-end host computer and analyzing and processing the detection values.
2. The wood heat treatment control system of claim 1, wherein the front end control system further comprises:
and the measurement operation amplifying device is connected between the temperature and humidity detection equipment and the front-end host and is used for amplifying the signals of the detection values of the temperature and humidity sensing equipment.
3. The wood heat treatment control system of claim 1, wherein: the temperature and humidity detection device comprises a wood core temperature sensor which is provided with an elongated probe used for measuring the temperature of the wood core.
4. The wood heat treatment control system according to any one of claims 1 to 3, wherein the back-office control system comprises:
and the background host is used for receiving the temperature and humidity detection values sent by the front-end host and processing background data.
5. The wood heat treatment control system of claim 4, wherein the back-office control system further comprises:
and the video monitoring equipment is used for carrying out video monitoring on the wood heat treatment process and sending video data obtained by monitoring to the background host.
6. The wood heat treatment control system of claim 4, wherein the back-office control system comprises:
and the display device is connected with the background host and used for displaying according to the processing result of the background host.
7. The wood heat treatment control system of claim 4, wherein the back-office control system further comprises:
and the printing equipment is connected with the background host and used for printing the detection value data or the analysis result according to the instruction of the background host.
8. The wood heat treatment control system of claim 4, wherein the back-office control system further comprises:
and the background host is connected and used for sending the processing information of the background host to the communication equipment with the appointed purpose.
9. The wood heat treatment control system of claim 4, wherein the back-office control system further comprises:
and the alarm device is used for sending an alarm signal according to the alarm command of the background host.
10. The wood heat treatment control system of claim 4, wherein: one background control system is connected with two or more front-end control systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202586024U CN201712044U (en) | 2010-07-13 | 2010-07-13 | Wood thermal treatment control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202586024U CN201712044U (en) | 2010-07-13 | 2010-07-13 | Wood thermal treatment control system |
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| CN201712044U true CN201712044U (en) | 2011-01-19 |
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| CN2010202586024U Expired - Fee Related CN201712044U (en) | 2010-07-13 | 2010-07-13 | Wood thermal treatment control system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514062A (en) * | 2011-12-31 | 2012-06-27 | 福建省莆田华闽实业有限公司 | Wood drying process and wood drying system |
| CN105437340A (en) * | 2014-08-23 | 2016-03-30 | 东北林业大学 | A heat treatment device capable of monitoring temperature of each point in timber in real time |
| CN108556106A (en) * | 2018-04-24 | 2018-09-21 | 西安德木轩家具有限公司 | The wooden facing finished product paint plate abnormal shape shaping automation control system and its application |
| CN108592521A (en) * | 2018-05-16 | 2018-09-28 | 江苏金牌厨柜有限公司 | A kind of device and method of control Wood drying technique parameter |
| CN109719820A (en) * | 2018-12-29 | 2019-05-07 | 开原市佳峰干燥设备有限公司 | A kind of wood digestion automatic control system |
| CN111397748A (en) * | 2020-04-24 | 2020-07-10 | 向文军 | Wooden package heat treatment temperature recorder |
| CN111844311A (en) * | 2020-06-24 | 2020-10-30 | 武汉市鹰达木质包装热处理有限公司 | Wooden packaging product pest control system |
| CN113756124A (en) * | 2021-02-22 | 2021-12-07 | 杭州益森键生物科技有限公司 | Method for making paper pulp by using pine tree epidemic wood |
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2010
- 2010-07-13 CN CN2010202586024U patent/CN201712044U/en not_active Expired - Fee Related
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| CN102514062A (en) * | 2011-12-31 | 2012-06-27 | 福建省莆田华闽实业有限公司 | Wood drying process and wood drying system |
| CN102514062B (en) * | 2011-12-31 | 2014-10-29 | 福建省华名华居家居实业有限公司 | Wood drying process and wood drying system |
| CN105437340A (en) * | 2014-08-23 | 2016-03-30 | 东北林业大学 | A heat treatment device capable of monitoring temperature of each point in timber in real time |
| CN108556106A (en) * | 2018-04-24 | 2018-09-21 | 西安德木轩家具有限公司 | The wooden facing finished product paint plate abnormal shape shaping automation control system and its application |
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| CN109719820A (en) * | 2018-12-29 | 2019-05-07 | 开原市佳峰干燥设备有限公司 | A kind of wood digestion automatic control system |
| CN111397748A (en) * | 2020-04-24 | 2020-07-10 | 向文军 | Wooden package heat treatment temperature recorder |
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| CN113756124A (en) * | 2021-02-22 | 2021-12-07 | 杭州益森键生物科技有限公司 | Method for making paper pulp by using pine tree epidemic wood |
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