阅读说明：本技术 一种基于磁共振无线供电的滚筒温度校准装置 (Roller temperature calibration device based on magnetic resonance wireless power supply ) 是由 程东旭 赵文龙 李明伟 田竟超 于红丽 刘宗玉 康旭东 李奇 孟祥洲 赵丹丽 周 于 2021-02-20 设计创作，主要内容包括：本发明提供一种基于磁共振无线供电的滚筒温度校准装置,包括：隔热盒、可调节杆、温度传感器、温度采集模块、磁共振无线接收装置和磁共振无线发射装置。隔热盒的相对两侧壁上均垂直设有可调节杆,并至少一个可调节杆的端部设有所述温度传感器。磁共振无线接收装置设置在隔热盒上,磁共振无线发射装置设置在滚筒端部的外侧,并与磁共振无线接收装置进行能量交换,以实现无线充电。磁共振无线接收装置分别与温度采集模块和温度传感器电连接。温度采集模块设置在隔热盒内,温度采集装置与温度传感器信号连接,用于采集所述温度传感器检测的滚筒内壁温度并存储。本发明能提高滚筒测温校准的便捷性和安全性。(The invention provides a roller temperature calibration device based on magnetic resonance wireless power supply, which comprises: the device comprises a heat insulation box, an adjustable rod, a temperature sensor, a temperature acquisition module, a magnetic resonance wireless receiving device and a magnetic resonance wireless transmitting device. The two opposite side walls of the heat insulation box are vertically provided with adjustable rods, and the end part of at least one adjustable rod is provided with the temperature sensor. The magnetic resonance wireless receiving device is arranged on the heat insulation box, and the magnetic resonance wireless transmitting device is arranged on the outer side of the end part of the roller and exchanges energy with the magnetic resonance wireless receiving device to realize wireless charging. The magnetic resonance wireless receiving device is respectively and electrically connected with the temperature acquisition module and the temperature sensor. The temperature acquisition module is arranged in the heat insulation box, and the temperature acquisition device is in signal connection with the temperature sensor and is used for acquiring and storing the temperature of the inner wall of the roller detected by the temperature sensor. The invention can improve the convenience and the safety of the temperature measurement and calibration of the roller.)

1. A roller temperature calibration device based on magnetic resonance wireless power supply is characterized by comprising: the device comprises a heat insulation box, an adjustable rod, a temperature sensor, a temperature acquisition module, a magnetic resonance wireless receiving device and a magnetic resonance wireless transmitting device;

the two opposite side walls of the heat insulation box are both vertically provided with the adjustable rods, and the end part of at least one adjustable rod is provided with the temperature sensor;

the magnetic resonance wireless receiving device is arranged on the heat insulation box, and the magnetic resonance wireless transmitting device is arranged on the outer side of the end part of the roller and exchanges energy with the magnetic resonance wireless receiving device to realize wireless charging;

the magnetic resonance wireless receiving device is respectively and electrically connected with the temperature acquisition module and the temperature sensor;

the temperature acquisition module is arranged in the heat insulation box, and the temperature acquisition device is in signal connection with the temperature sensor and is used for acquiring and storing the temperature of the inner wall of the roller detected by the temperature sensor;

a wire harness through hole is formed in the adjustable rod and communicated with an inner cavity of the heat insulation box;

when the temperature of the side wall of the roller is measured, the length of the adjustable rod is adjusted, so that the adjustable rods on the two side walls of the heat insulation box are supported on the inner wall of the roller, and the temperature sensor is in contact with the inner side wall of the roller.

2. The magnetic resonance wireless power supply-based roller temperature calibration device according to claim 1, wherein the temperature acquisition module comprises: the device comprises a power circuit, a signal conversion circuit, an acquisition chip and a memory;

the acquisition chip is in signal connection with the temperature sensor through the signal conversion circuit, and is in signal connection with the memory through a serial port;

the magnetic resonance wireless receiving device supplies power to the signal conversion circuit, the acquisition chip and the memory through the power circuit.

3. The magnetic resonance wireless power supply-based roller temperature calibration device according to claim 2, wherein the temperature acquisition module further comprises: a USB interface;

the USB interface is respectively in signal connection with the acquisition chip and the memory, and is used for reading the communication interface of the temperature data of the inner wall of the roller stored in the memory.

4. The magnetic resonance wireless power supply-based roller temperature calibration device according to claim 3, wherein the temperature acquisition module further comprises: a wireless communication module;

the wireless communication module is in signal connection with the acquisition chip, and the acquisition chip is in wireless connection with an external mobile terminal through the wireless communication module and transmits the temperature of the inner wall of the roller to the external mobile terminal for display.

5. The magnetic resonance wireless power supply-based roller temperature calibration device according to claim 4, wherein the temperature acquisition module further comprises: a display screen;

the display screen is in signal connection with the acquisition chip and is used for displaying the temperature of the inner wall of the roller detected by the temperature sensor in real time.

6. The magnetic resonance wireless power supply-based roller temperature calibration device according to claim 1, wherein the magnetic resonance wireless receiving device comprises: a receiving coil and a resonant rectifying circuit board;

the receiving coil is electrically connected with the resonant rectifying circuit board, the receiving coil is arranged outside the heat insulation box and corresponds to the magnetic resonance wireless transmitting device, and the resonant rectifying circuit board is arranged in the heat insulation box and is respectively and electrically connected with the temperature acquisition module and the temperature sensor;

the resonance rectification circuit board is used for generating magnetic resonance and converting the electric energy received by the receiving coil into direct-current voltage.

7. The magnetic resonance wireless power supply-based roller temperature calibration device according to claim 6, wherein the magnetic resonance wireless transmission device comprises: the high-frequency resonance circuit board comprises a transmitting coil, a high-frequency resonance circuit board and a transmitting frame;

the transmitting coil is arranged on the transmitting frame and corresponds to the receiving coil, the transmitting coil is electrically connected with the high-frequency resonance circuit board, and the high-frequency resonance circuit board is electrically connected with an external alternating current power supply and used for generating a high-frequency oscillation signal so that the transmitting coil and the receiving coil can transmit electric energy in a high-frequency magnetic resonance mode.

8. The magnetic resonance wireless power based drum temperature calibration device according to claim 1, wherein the heat insulation box comprises: the box body and the heat insulation structure coated on the outer side of the box body;

the heat insulation structure comprises an aluminum foil veneer, a polyethylene film, a fiber braided fabric and a metal coating film which are arranged in sequence.

9. The magnetic resonance wireless power based drum temperature calibration device according to claim 8, wherein the heat insulation box is provided with a transparent viewing window.

10. The magnetic resonance wireless power based drum temperature calibration device according to any one of claims 1 to 9, characterized in that the temperature sensor is a platinum resistance sensor.

Technical Field

The invention relates to the technical field of cigarette production auxiliary equipment, in particular to a roller temperature calibration device based on magnetic resonance wireless power supply.

Background

The roller cut tobacco dryer has the functions of drying cut tobacco leaves or cut stems at low temperature and low strength, improving the appearance quality of the cut tobacco leaves or the cut stems, and improving the filling capacity and the processing resistance of the cut tobacco leaves or the cut stems so as to meet the technical requirements of cigarettes. The tobacco shreds are heated and humidified, then enter a drying roller, are rolled by a frying plate in the roller, and are contacted with a heating plate of a roller body and hot air, so that the tobacco shred drying purpose is achieved. The heating temperature of the roller is high, low and stable, and has a main effect on the tobacco drying result.

The temperature probe is installed on the existing heating plate, the heating temperature of the heating plate can be detected, but due to long-term use, tobacco shreds and dust grease are attached to the heating plate, so that the temperature probe drifts, and the accuracy is seriously inaccurate. In order to ensure the accuracy of the probe and improve the tobacco drying quality, the temperature probe of the heating plate needs to be calibrated. However, as the barrel continuously rotates, the conventional wired mode has danger, the heating temperature of the heating plate is as high as 120-140 ℃, the common wireless thermometer battery with the battery has explosion risk, and if the battery leaks, the barrel is polluted, so that the barrel can only be integrally scrapped, and the generation cost is increased.

Disclosure of Invention

The invention provides a roller temperature calibration device based on magnetic resonance wireless power supply, which solves the problems that the existing roller temperature calibration adopts a wireless temperature measuring instrument to measure temperature, the equipment is unsafe to use, and the risk of battery explosion is possibly caused, can improve the convenience of roller temperature measurement calibration, and increases the stability and safety of production in a silk making workshop.

In order to achieve the above purpose, the invention provides the following technical scheme:

a roller temperature calibration device based on magnetic resonance wireless power supply comprises: the device comprises a heat insulation box, an adjustable rod, a temperature sensor, a temperature acquisition module, a magnetic resonance wireless receiving device and a magnetic resonance wireless transmitting device;

the two opposite side walls of the heat insulation box are both vertically provided with the adjustable rods, and the end part of at least one adjustable rod is provided with the temperature sensor;

the magnetic resonance wireless receiving device is arranged on the heat insulation box, and the magnetic resonance wireless transmitting device is arranged on the outer side of the end part of the roller and exchanges energy with the magnetic resonance wireless receiving device to realize wireless charging;

the magnetic resonance wireless receiving device is respectively and electrically connected with the temperature acquisition module and the temperature sensor;

the temperature acquisition module is arranged in the heat insulation box, and the temperature acquisition device is in signal connection with the temperature sensor and is used for acquiring and storing the temperature of the inner wall of the roller detected by the temperature sensor;

a wire harness through hole is formed in the adjustable rod and communicated with an inner cavity of the heat insulation box;

when the temperature of the side wall of the roller is measured, the length of the adjustable rod is adjusted, so that the adjustable rods on the two side walls of the heat insulation box are supported on the inner wall of the roller, and the temperature sensor is in contact with the inner side wall of the roller.

Preferably, the temperature acquisition module includes: the device comprises a power circuit, a signal conversion circuit, an acquisition chip and a memory;

the acquisition chip is in signal connection with the temperature sensor through the signal conversion circuit, and is in signal connection with the memory through a serial port;

the magnetic resonance wireless receiving device supplies power to the signal conversion circuit, the acquisition chip and the memory through the power circuit.

Preferably, the temperature acquisition module further comprises: a USB interface;

the USB interface is respectively in signal connection with the acquisition chip and the memory, and is used for reading the communication interface of the temperature data of the inner wall of the roller stored in the memory.

Preferably, the temperature acquisition module further comprises: a wireless communication module;

the wireless communication module is in signal connection with the acquisition chip, and the acquisition chip is in wireless connection with an external mobile terminal through the wireless communication module and transmits the temperature of the inner wall of the roller to the external mobile terminal for display.

Preferably, the temperature acquisition module further comprises: a display screen;

the display screen is in signal connection with the acquisition chip and is used for displaying the temperature of the inner wall of the roller detected by the temperature sensor in real time.

Preferably, the magnetic resonance wireless receiving apparatus includes: a receiving coil and a resonant rectifying circuit board;

the receiving coil is electrically connected with the resonant rectifying circuit board, the receiving coil is arranged outside the heat insulation box and corresponds to the magnetic resonance wireless transmitting device, and the resonant rectifying circuit board is arranged in the heat insulation box and is respectively and electrically connected with the temperature acquisition module and the temperature sensor;

the resonance rectification circuit board is used for generating magnetic resonance and converting the electric energy received by the receiving coil into direct-current voltage.

Preferably, the magnetic resonance wireless transmission apparatus includes: the high-frequency resonance circuit board comprises a transmitting coil, a high-frequency resonance circuit board and a transmitting frame;

the transmitting coil is arranged on the transmitting frame and corresponds to the receiving coil, the transmitting coil is electrically connected with the high-frequency resonance circuit board, and the high-frequency resonance circuit board is electrically connected with an external alternating current power supply and used for generating a high-frequency oscillation signal so that the transmitting coil and the receiving coil can transmit electric energy in a high-frequency magnetic resonance mode.

Preferably, the heat insulating box includes: the box body and the heat insulation structure coated on the outer side of the box body;

the heat insulation structure comprises an aluminum foil veneer, a polyethylene film, a fiber braided fabric and a metal coating film which are arranged in sequence.

Preferably, the heat insulation box is provided with a transparent observation window.

Preferably, the temperature sensor is a platinum resistance sensor.

The invention provides a roller temperature calibration device based on magnetic resonance wireless power supply, wherein adjustable rods are vertically arranged on two opposite side walls of a heat insulation box, when the temperature of the side walls of a roller is measured, the length of each adjustable rod is adjusted, the adjustable rods on the two side walls of the heat insulation box are supported on the inner wall of the roller, a temperature sensor is in contact with the inner side wall of the roller, and meanwhile, a magnetic resonance wireless receiving device is arranged on the heat insulation box and wirelessly charged with a magnetic resonance wireless transmitting device arranged outside the roller. The problem of current cylinder temperature calibration have when adopting wireless thermoscope to advance the temperature measurement equipment use unsafe, probably cause battery explosion risk is solved, the convenience of cylinder temperature measurement calibration can be improved, the stability and the security of throwing workshop production are increased.

Drawings

In order to more clearly describe the specific embodiments of the present invention, the drawings to be used in the embodiments will be briefly described below.

Fig. 1 is a schematic diagram of a roller temperature calibration device based on magnetic resonance wireless power supply provided by the invention.

Fig. 2 is a schematic installation diagram of a magnetic resonance wireless receiving apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic diagram of a magnetic resonance wireless transmission apparatus provided in an embodiment of the present invention.

Detailed Description

In order to make the technical field of the invention better understand the scheme of the embodiment of the invention, the embodiment of the invention is further described in detail with reference to the drawings and the implementation mode.

The problem that potential safety hazards exist when temperature detectors are used for correcting the temperature of temperature probes in the roller at present. The invention provides a roller temperature calibration device based on magnetic resonance wireless power supply, which solves the problems that the existing roller temperature calibration adopts a wireless temperature measuring instrument to measure temperature, the equipment is unsafe to use, and the risk of battery explosion is possibly caused, can improve the convenience of roller temperature measurement calibration, and increases the stability and safety of production in a silk making workshop.

As shown in fig. 1 to 3, a roller temperature calibration device based on magnetic resonance wireless power supply includes: the device comprises a heat insulation box 2, an adjustable rod 3, a temperature sensor 5, a temperature acquisition module (not shown in the figure), a magnetic resonance wireless receiving device and a magnetic resonance wireless transmitting device. The two opposite side walls of the heat insulation box 2 are vertically provided with the adjustable rods 3, and the end part of at least one adjustable rod 3 is provided with the temperature sensor. The magnetic resonance wireless receiving device is arranged on the heat insulation box 2, and the magnetic resonance wireless transmitting device is arranged on the outer side of the end part of the roller and exchanges energy with the magnetic resonance wireless receiving device so as to realize wireless charging. The magnetic resonance wireless receiving device is respectively electrically connected with the temperature acquisition module and the temperature sensor. The temperature acquisition module is arranged in the heat insulation box, and the temperature acquisition device is in signal connection with the temperature sensor and is used for acquiring and storing the temperature of the inner wall of the roller detected by the temperature sensor. A wire harness through hole is formed in the adjustable rod and communicated with an inner cavity of the heat insulation box. When the temperature of the side wall of the roller is measured, the length of the adjustable rod is adjusted, so that the adjustable rods on the two side walls of the heat insulation box are supported on the inner wall of the roller, and the temperature sensor is in contact with the inner side wall of the roller.

Specifically, the calibration device is placed inside the drum when the drum is not in operation, and is taken out for data reading when the production line stops producing. The adjustable rods at the two ends of the heat insulation box are abutted against the inner side wall of the roller by adjusting the length of the adjustable rods, so that the heat insulation box is suspended in the roller. The adjustable rod can adopt an adjustable telescopic rod, and all levels of telescopic rods can adopt a threaded connection mode for adjustment. The temperature acquisition module is arranged in the heat insulation box, so that the damage of devices caused by high temperature is avoided. Meanwhile, the temperature acquisition module stores the temperature of the inner wall of the roller detected by the temperature sensor, the temperature data stored in the temperature acquisition module is read by an operator and then is compared with the temperature measured by the temperature probe in the roller, and if the error is greater than a set threshold value, the temperature probe is calibrated. The magnetic resonance wireless receiving device and the magnetic resonance wireless transmitting device exchange electric energy at specific frequency to realize wireless charging and provide working electricity for the temperature acquisition module and the temperature sensor in the heat insulation box. The power supply mode can avoid the pollution caused by the use of the calibration device in the roller, and the high-temperature battery does not need to be replaced regularly. The device can improve the convenience of cylinder temperature measurement calibration, increases the stability and the security of throwing workshop production.

The temperature acquisition module includes: power supply circuit, signal conversion circuit, acquisition chip and memory. The acquisition chip is in signal connection with the temperature sensor through the signal conversion circuit, and is in signal connection with the memory through a serial port. The magnetic resonance wireless receiving device supplies power to the signal conversion circuit, the acquisition chip and the memory through the power circuit.

In practical applications, the signal conversion circuit includes: and the temperature signal detected by the temperature sensor is converted by the analog-to-digital conversion circuit and then is sent to the acquisition chip in a digital signal form for processing. The acquisition chip can be realized by a singlechip, such as a singlechip of P87LPC762 model.

Further, the temperature acquisition module further comprises: a USB interface; the USB interface is respectively in signal connection with the acquisition chip and the memory, and is used for reading the communication interface of the temperature data of the inner wall of the roller stored in the memory.

In practical application, an operator can connect the memory with the mobile terminal through the USB interface, and further copy the temperature data in the memory to the mobile terminal.

Still further, the temperature acquisition module further comprises: a wireless communication module; the wireless communication module is in signal connection with the acquisition chip, and the acquisition chip is in wireless connection with an external mobile terminal through the wireless communication module and transmits the temperature of the inner wall of the roller to the external mobile terminal for display.

Still further, the temperature acquisition module further comprises: a display screen; the display screen is in signal connection with the acquisition chip and is used for displaying the temperature of the inner wall of the roller detected by the temperature sensor in real time.

As shown in fig. 1 to 3, the magnetic resonance wireless receiving apparatus includes: a receiving coil 4 and a resonant rectifying circuit board (not shown in the figure). The receiving coil 4 is electrically connected with the resonance rectifier circuit board, the receiving coil 4 is arranged outside the heat insulation box 2 and corresponds to the magnetic resonance wireless transmitting device, and the resonance rectifier circuit board is arranged in the heat insulation box and is respectively electrically connected with the temperature acquisition module and the temperature sensor. The resonance rectification circuit board is used for generating magnetic resonance and converting the electric energy received by the receiving coil into direct-current voltage.

In practical application, the resonant rectifying circuit board may be integrated with a resonant circuit, a rectifying and filtering circuit and a DCDC conversion circuit. The resonance circuit converts the high-frequency oscillation signal in the receiving coil into electric energy, the electric energy is rectified and filtered through the rectification filter circuit, and then the DCDC conversion circuit generates required voltage to supply power to the outside.

As shown in fig. 3, the magnetic resonance wireless transmission apparatus includes: a transmitting coil 6, a high-frequency resonance circuit board (not shown in the figure), and a transmitter rack 7. The transmitting coil 6 is arranged on the transmitting frame 7 and corresponds to the receiving coil 4, the transmitting coil 6 is electrically connected with the high-frequency resonance circuit board, and the high-frequency resonance circuit board is electrically connected with an external alternating current power supply and used for generating a high-frequency oscillation signal so that the transmitting coil and the receiving coil can transmit electric energy in a high-frequency magnetic resonance mode.

In practical application, the high-frequency resonance circuit board can be integrated with a rectifying and filtering circuit, an inverter circuit and a high-frequency resonance circuit. The frequency selection circuit can be arranged on the high-frequency resonance circuit to set the frequency of the initial oscillation signal generated by the high-frequency resonance circuit, so that the transmission distance of the signal is ensured, and the wireless charging effect is further ensured.

The heat insulation box comprises: the box body and the heat insulation structure coated on the outer side of the box body; the heat insulation structure comprises an aluminum foil veneer, a polyethylene film, a fiber braided fabric and a metal coating film which are arranged in sequence.

Further, the heat insulation box is provided with a transparent observation window. The operator can check the display screen through the transparent observation window to obtain the temperature of the inner wall of the roller detected by the calibrating device.

Further, a PCB mounting protrusion (not shown in the figure) is provided in the case. The bottom of the heat insulation box is provided with a plurality of PCB installation bulges, the PCB circuit board is arranged on the PCB installation bulges, and the PCB circuit board is integrated with a power circuit, a signal conversion circuit, a collection chip and a memory.

Still further, the box body is provided with a mounting hole, and the adjustable rod is connected with the box body in a sealing way through the mounting hole.

In practical application, the temperature sensor can be a platinum resistance sensor, and the temperature of the inner wall of the roller is calculated according to resistance change values of the platinum resistance sensor at different temperatures.

The invention provides a roller temperature calibration device based on magnetic resonance wireless power supply, wherein adjustable rods are vertically arranged on two opposite side walls of a heat insulation box, when the temperature of the side walls of a roller is measured, the length of each adjustable rod is adjusted, the adjustable rods on the two side walls of the heat insulation box are supported on the inner wall of the roller, a temperature sensor is in contact with the inner side wall of the roller, and meanwhile, a magnetic resonance wireless receiving device is arranged on the heat insulation box and wirelessly charged with a magnetic resonance wireless transmitting device arranged outside the roller. The problem of current cylinder temperature calibration have when adopting wireless thermoscope to advance the temperature measurement equipment use unsafe, probably cause battery explosion risk is solved, the convenience of cylinder temperature measurement calibration can be improved, the stability and the security of throwing workshop production are increased.

The construction, features and functions of the present invention have been described in detail with reference to the embodiments shown in the drawings, but the present invention is not limited to the embodiments shown in the drawings, and all equivalent embodiments modified or modified by the spirit and scope of the present invention should be protected without departing from the spirit of the present invention.