CN207850537U - A kind of numerically-controlled machine tool electrical cabinet temperature acquisition system - Google Patents

A kind of numerically-controlled machine tool electrical cabinet temperature acquisition system Download PDF

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Publication number
CN207850537U
CN207850537U CN201721871483.8U CN201721871483U CN207850537U CN 207850537 U CN207850537 U CN 207850537U CN 201721871483 U CN201721871483 U CN 201721871483U CN 207850537 U CN207850537 U CN 207850537U
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China
Prior art keywords
electrical cabinet
microcontroller
numerically
machine tool
controlled machine
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CN201721871483.8U
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Chinese (zh)
Inventor
汪木兰
季颖
朱晓春
朱昊
柏月
徐开芸
周聪
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Nanjing Institute of Technology
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Nanjing Institute of Technology
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Abstract

The utility model discloses a kind of numerically-controlled machine tool electrical cabinet temperature acquisition systems, including infrared sensor, thermistor temperature detecting circuit, microcontroller, RS485 communication units, power module.The temperature of the original paper such as breaker in Electric Appliance Cabinet is acquired by infrared sensor, infrared detection has the characteristics that temperature detecting precision is high, and detects the environment temperature in electrical cabinet by thermistor temperature detecting circuit, and foundation is provided for the accurate monitoring work temperature of host computer.Multiple infrared sensors in single electrical cabinet are connected to microcontroller by bidirectional two-line synchronous serial bus, it is easy for being connected up in compact electrical cabinet using bidirectional two-line synchronous serial bus one, two, which are that by microcontroller, carries out quick modulus interruption circle collection sensing data, has higher real-time.

Description

A kind of numerically-controlled machine tool electrical cabinet temperature acquisition system
Technical field
The utility model is related to a kind of numerically-controlled machine tool electrical cabinet temperature acquisition systems.
Background technology
Numerically-controlled machine tool is highly integrated, the high efficiency of high-intelligentization and analyzing processing problem is increasingly enhanced, the thing followed The problems such as machine failure diagnosis and prediction, Performance Evaluation and maintenance support, obtains extensive concern.It is most of at present to safeguard mostly with fixed Phase checks, based on correction maintenance, not only expends a large amount of man power and materials, but also inefficiency.Therefore, carrying for machine failure is realized Preceding prediction and residual Life Calculation will be with important commercial introduction values.
The components such as breaker, contactor, Switching Power Supply and frequency converter are installed, component goes out in cabinet in machine tool electric gas holder Can cause associated components temperature monitoring value abnormal when existing failure, most of electrical cabinets without monitor and alarm system, component Damage is often just found after failure generation, is influenced the normal operation of lathe, is reduced the productivity effect of lathe.
Invention content
Goal of the invention:For the above-mentioned prior art, a kind of numerically-controlled machine tool electrical cabinet temperature acquisition system is proposed, for accurate Acquire numerically-controlled machine tool electrical cabinet temperature.
Technical solution:A kind of numerically-controlled machine tool electrical cabinet temperature acquisition system, including infrared sensor, thermistor temperature detecting electricity Road, microcontroller, RS485 communication units, power module;The infrared sensor is fixed on electrical cabinet terminal busbar, is used for Detection is mounted on the electrical equipment temperature on terminal busbar;The thermistor temperature detecting circuit includes thermistor, the temperature-sensitive Surrounding clear area is arranged in electrical cabinet in resistance;A/D conversion circuits built in the microcontroller, several institutes in an electrical cabinet The signal output for stating infrared sensor is connected to the signal input of the microcontroller by bidirectional two-line synchronous serial bus The output end at end, the thermistor temperature detecting circuit is connected to the microcontroller, and it is logical that the microcontroller connects the RS485 Interrogate unit;The power module is for providing system power supply.
Further, the input terminal of the power module is connected in parallel on the 220V power inputs of electrical cabinet by isolating transformer End.
Further, the infrared sensor connects the bidirectional two-line synchronous serial bus by Magnetic isolation device.
Further, in the thermistor temperature detecting circuit, the input terminal of thermistor connection filter amplification circuit, and Transient Suppression Diode is connected between input terminal and ground.
Further, further include the display module for connecting the microcontroller, the display module is outside electrical cabinet Side.
Further, several electrical cabinet temperature acquisition systems connect data concentrator by RS485 communication units, described Data concentrator includes microcontroller, and connects the memory module and wireless communication module of the microcontroller.
Further, the wireless communication module is 3G 4G communication modules.
Advantageous effect:The numerically-controlled machine tool electrical cabinet temperature acquisition system of the utility model acquires electricity by infrared sensor The temperature of the original paper such as breaker in gas holder, infrared detection has the characteristics that temperature detecting precision is high, and passes through thermistor Temperature measurement circuit detects the environment temperature in electrical cabinet, and foundation is provided for the accurate monitoring work temperature of host computer.In single electrical cabinet Multiple infrared sensors microcontroller is connected to by bidirectional two-line synchronous serial bus, using bidirectional two-line system synchronize go here and there Row bus one is easy for being connected up in compact electrical cabinet, and two, which are that by the quick modulus interruption of microcontroller progress, follows Ring acquires sensing data, has higher real-time.More number of units control machine tool electric gas holder temperature acquisition datas pass through in workshop RS485 communication units upload to data concentrator, and data collector wirelessly sends data after row compression is packaged To remote monitoring center, remote monitoring is realized.
Description of the drawings
Fig. 1 is the structural schematic diagram of numerically-controlled machine tool electrical cabinet temperature acquisition system.
Specific implementation mode
Further explanation is done to the utility model below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of numerically-controlled machine tool electrical cabinet temperature acquisition system, including infrared sensor, thermistor temperature detecting Circuit, microcontroller, RS485 communication units, power module.Infrared sensor is fixed on electrical cabinet terminal busbar, for examining Survey the electrical equipment temperature being mounted on terminal busbar.Thermistor temperature detecting circuit includes thermistor, and thermistor setting exists Surrounding clear area in electrical cabinet.A/D conversion circuits built in microcontroller, the signal of several infrared sensors in an electrical cabinet Output is connected to the signal input part of microcontroller by bidirectional two-line synchronous serial bus, thermistor temperature detecting circuit it is defeated Outlet is connected to microcontroller, and microcontroller connects RS485 communication units.
For power module for providing system power supply, the input terminal of power module is connected in parallel on electrical cabinet by isolating transformer 220V power inputs, to effective protection acquisition system.
Infrared sensor connects bidirectional two-line synchronous serial bus by ADUM1251 Magnetic isolation devices, electrical for reducing The electromagnetic interference that element may bring infrared sensor in cabinet, the probability of error of smaller detection signal.
In thermistor temperature detecting circuit, thermistor connects the input terminal of filter amplification circuit, and in input terminal and ground Between connect Transient Suppression Diode.Environment temperature in thermistor electricity measurer cabinet detects on after signal is filtered and amplifies Microcontroller is passed to, inhibits impact of the issuable transient pulse to microprocessor, and energy using Transient Suppression Diode Enough as the impedance matching element of amplifier.
This temperature acquisition system further includes the display module for connecting microcontroller, and display module is mounted on the outside of electrical cabinet. Display module can be charactron, for intuitively showing each monitoring temperature in real time.
It when there are more numerically-controlled machine tools in a workshop, needs to establish effective remote management, at this time multiple electrical cabinet temperature Acquisition system connects data concentrator by RS485 communication units, and data concentrator includes microcontroller, and connection microcontroller The memory module and wireless communication module of device, wireless communication module are 3G 4G communication modules.More number of units control Machine Tools Electrics Cabinet temperature acquisition data uploads to data concentrator by RS485 communication units, and data collector is packaged data through row compression It is wirelessly sent to remote monitoring center afterwards, realizes remote monitoring.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (7)

1. a kind of numerically-controlled machine tool electrical cabinet temperature acquisition system, it is characterised in that:Including infrared sensor, thermistor temperature detecting electricity Road, microcontroller, RS485 communication units, power module;The infrared sensor is fixed on electrical cabinet terminal busbar, is used for Detection is mounted on the electrical equipment temperature on terminal busbar;The thermistor temperature detecting circuit includes thermistor, the temperature-sensitive Surrounding clear area is arranged in electrical cabinet in resistance;A/D conversion circuits built in the microcontroller, several institutes in an electrical cabinet The signal output for stating infrared sensor is connected to the signal input of the microcontroller by bidirectional two-line synchronous serial bus The output end at end, the thermistor temperature detecting circuit is connected to the microcontroller, and it is logical that the microcontroller connects the RS485 Interrogate unit;The power module is for providing system power supply.
2. numerically-controlled machine tool electrical cabinet temperature acquisition system according to claim 1, it is characterised in that:The power module Input terminal is connected in parallel on the 220V power inputs of electrical cabinet by isolating transformer.
3. numerically-controlled machine tool electrical cabinet temperature acquisition system according to claim 1, it is characterised in that:The infrared sensor The bidirectional two-line synchronous serial bus is connected by Magnetic isolation device.
4. numerically-controlled machine tool electrical cabinet temperature acquisition system according to claim 1, it is characterised in that:The thermistor is surveyed In circuit temperature, thermistor connects the input terminal of filter amplification circuit, and connects transient state between input terminal and ground and inhibit two poles Pipe.
5. numerically-controlled machine tool electrical cabinet temperature acquisition system according to claim 1, it is characterised in that:Further include described in connection The display module of microcontroller, the display module are mounted on the outside of electrical cabinet.
6. according to any numerically-controlled machine tool electrical cabinet temperature acquisition systems of claim 1-5, it is characterised in that:Several are electrical Cabinet temperature acquisition system connects data concentrator by RS485 communication units, and the data concentrator includes microcontroller, and Connect the memory module and wireless communication module of the microcontroller.
7. numerically-controlled machine tool electrical cabinet temperature acquisition system according to claim 6, it is characterised in that:The wireless communication module For 3G 4G communication modules.
CN201721871483.8U 2017-12-28 2017-12-28 A kind of numerically-controlled machine tool electrical cabinet temperature acquisition system Active CN207850537U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721871483.8U CN207850537U (en) 2017-12-28 2017-12-28 A kind of numerically-controlled machine tool electrical cabinet temperature acquisition system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721871483.8U CN207850537U (en) 2017-12-28 2017-12-28 A kind of numerically-controlled machine tool electrical cabinet temperature acquisition system

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CN207850537U true CN207850537U (en) 2018-09-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109556727A (en) * 2018-11-29 2019-04-02 莱芜万通电器有限公司 A kind of electrical cabinet temperature measuring equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109556727A (en) * 2018-11-29 2019-04-02 莱芜万通电器有限公司 A kind of electrical cabinet temperature measuring equipment

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