阅读说明：本技术 一种智能车间控制系统 (Intelligent workshop control system ) 是由 曾辉 钟志平 李侃 曹艳 于 2019-11-14 设计创作，主要内容包括：本发明公开了一种智能车间控制系统,属于车间安全智能控制领域,其包括：采集端,用于采集车间内的声音,转化为声音信息,并将采集的声音信息发送给处理端；处理端,用于对接收到的声音信息进行处理,当处理后的声音信息符合工作人员受伤的条件时向执行端发送执行信号；执行端,执行端与开关总阀连接,用于控制开关总阀的通断,所述开关总阀设置于电源与车间内设备之间,本发明具有当工作人员受伤时,能够自动控制设备停止工作,减少设备工作给工作人员带来更大的伤害的效果。(The invention discloses an intelligent workshop control system, which belongs to the field of safe and intelligent workshop control and comprises the following components: the collection end is used for collecting the sound in the workshop, converting the sound into sound information and sending the collected sound information to the processing end; the processing terminal is used for processing the received sound information and sending an execution signal to the execution terminal when the processed sound information meets the condition that the worker is injured; the automatic control device comprises an execution end, wherein the execution end is connected with a main switch valve and used for controlling the on-off of the main switch valve, and the main switch valve is arranged between a power supply and equipment in a workshop.)

1. An intelligent workshop control system is characterized in that: the method comprises the following steps:

the system comprises a collecting end (1) and a processing end (2), wherein the collecting end is used for collecting sound in a workshop, converting the sound into sound information and sending the collected sound information to the processing end;

the processing terminal (2) is used for processing the received sound information and sending an execution signal to the execution terminal (3) when the processed sound information meets the condition that the worker is injured;

the actuating end (3) is connected with the main switch valve (31) and used for controlling the on-off of the main switch valve (31), and the main switch valve (31) is arranged between a power supply and equipment in a workshop.

2. The intelligent plant control system of claim 1, wherein:

the processing end (2) comprises:

the receiving module (21), the receiving module (21) is used for receiving the transmitted sound information; the processing module (22), the processing module (22) is used for converting the sound information into sound frequency, and outputting the converted sound frequency;

the screening module (23), the screening module (23) is used for receiving the sound frequency sent by the processing module (22), and filtering out the sound frequency of which the frequency is higher than the first frequency value and the frequency is lower than the second frequency value, namely filtering out the frequency generated by the equipment and the frequency of normal speaking of people;

the control module (25), the control module (25) is used for receiving the sound frequency screened by the screening module (23), and judging whether the sound frequency is located in the first frequency range and the second frequency range, if yes, namely the sound frequency is the frequency generated by the sharp call of the staff, the control module (25) sends a closing signal to the execution end (3).

3. The intelligent plant control system of claim 2, wherein: the screening module (23) adjusts the capacitance C to enable f0= f according to f0= 1/(2 pi √ LC) by arranging an LC circuit, wherein f is a critical value of the sampling frequency.

4. The intelligent plant control system of claim 2, wherein: the control module (25) is connected with an alarm unit (251), and the alarm unit (251) is set to be a buzzer (2511).

5. The intelligent plant control system of claim 1, wherein: the processing terminal (2) further comprises a storage module (24), and the storage module (24) is used for storing the received sound information, the processed sound information, the screened sound information and the like.

6. The intelligent plant control system of claim 2, wherein: the receiving module (21) transmits by wire or wirelessly.

7. The intelligent plant control system of claim 1, wherein:

the acquisition end (1) comprises a sound acquisition module (11) and a sending module (12);

the sound collection module (11), the sound collection module (11) collects the sound in the workshop in real time, converts the sound into sound information, and sends the detected sound information to the sending module (12);

the sending module (12), the sending module (12) is used for receiving the sound information output by the sound collecting module (11) and sending the received sound information to the receiving module (21).

8. The intelligent plant control system of claim 1, wherein: the sound collection module (11) comprises a sound sensor (111), and the sound sensor (111) is used for collecting all sound information in a workshop and sending the collected sound information to the sending module (12).

Technical Field

The invention relates to the field of workshop safety intelligent control, in particular to an intelligent workshop control system.

Background

The workshop is a basic unit for the internal organization production of the enterprise and is also a first-level organization for the production administration management of the enterprise. Consisting of several sections or production teams. The system is set according to the professional properties of each stage of product production or each component of the product in an enterprise and the professional properties of each auxiliary production activity, and has a factory building or a field, machine equipment, tools, certain production personnel, technical personnel and management personnel which are necessary for completing production tasks. The workshop has four characteristics: (1) it is a collective ground of elements of productivity formed according to the specialized principle. (2) It is an intermediate link in enterprise management between the plant and the production team. (3) The products of the plant are typically semi-finished products (except for finished plants) or in-house products, rather than commodities. (4) The workshop is not an independent commodity production and management unit and generally does not directly generate economic connection to the outside.

Generally, workers and equipment are required to cooperate in a workshop, and when workers are injured by the equipment in the working process, the workers often cannot close the equipment in time, so that greater personal injury is caused.

Disclosure of Invention

The invention aims to provide an intelligent workshop control system, which can automatically control equipment to stop working when workers are injured, so that the problem that the workers are more injured due to equipment working is reduced.

The technical purpose of the invention is realized by the following technical scheme:

an intelligent plant control system comprising: the collection end is used for collecting the sound in the workshop, converting the sound into sound information and sending the collected sound information to the processing end; the processing terminal is used for processing the received sound information and sending an execution signal to the execution terminal when the processed sound information meets the condition that the worker is injured; and the execution end is connected with the main switch valve and used for controlling the on-off of the main switch valve, and the main switch valve is arranged between the power supply and the equipment in the workshop.

Through adopting above-mentioned scheme, gather the sound information in the end real-time detection workshop and will detect sound information and send for the processing end, the processing end is handled received information, when the information after handling accords with the injured condition of staff, the processing end sends the execution signal to the control end, the execution end is when receiving the execution signal that the processing end sent, the power failure of control switch main valve, when staff is injured promptly, can automatic control equipment stop work, thereby it brings bigger injury for the staff to reduce equipment work.

The invention is further configured to: the processing end comprises: the receiving module is used for receiving the sent sound information; the processing module is used for converting the sound information into sound frequency and outputting the converted sound frequency; the screening module is used for receiving the sound frequency sent by the processing module and filtering out the sound frequency with the frequency higher than the first frequency value and the frequency lower than the second frequency value in the sound frequency, namely filtering out the frequency generated by the equipment and the frequency of normal speaking of people; and the control module is used for receiving the sound frequencies screened by the screening module and judging whether the sound frequencies are located in a first frequency range and a second frequency range, if so, the sound frequencies are frequencies generated by screaming of workers, and the control module sends a closing signal to the execution end.

By adopting the scheme, the receiving module sends the received sound information to the processing module when receiving the sound information sent by the acquisition end, the processing module converts the sound information into sound frequency when receiving the sound information sent by the sending module, and sends the converted sound frequency to the screening module and the storage module, and as the sound information contains the frequency generated by the work of equipment, the frequency generated by the speaking of a worker and the like, namely the acquired sound frequency contains various frequencies, the mixed various frequencies are sent to the screening module; the screening module screens out the squeal frequency of the working personnel from the mixed sound frequency according to the fact that the frequency generated by the equipment in a workshop is more than or equal to 400Hz, specifically, the frequency generated by the equipment in the workshop is based on the frequency generated by the equipment in the workshop, the frequency of the person during normal speaking is 140-160 Hz, when the working personnel are injured, the person can give out squeal in response, and when the person performs squeal, the frequency is about 200-400 Hz; the control module receives the target frequency value output by the screening module, compares the received target frequency value with a critical value of 200 Hz and a critical value of 400Hz, and sends an execution signal to the processing end when the frequency value is not less than 200 and the target frequency f is not more than 400Hz, and the processing end controls the switch main valve to be powered off, so that the equipment is prevented from continuously running and bringing greater personal injury to workers.

The invention is further configured to: the screening module is provided with an LC circuit according to f₀= 1/(2 π √ LC), f is adjusted by adjusting the capacitance C₀= f, where f is the critical value of the sampling frequency.

By adopting the scheme, the two critical values of the sampling frequency f are respectively 200 Hz and 400Hz, the sound waves with the frequency smaller than 200 Hz and larger than 400Hz are automatically filtered, so that only the frequency in the collected sound waves is within 200-400 Hz, namely, the frequency generated by screaming when workers are injured can be collected, and the detected target frequency f is sent to the storage module and the control module.

The invention is further configured to: the control module is connected with an alarm unit which is set as a buzzer.

By adopting the above scheme, when the target frequency f is: when f is more than or equal to 200 Hz and less than or equal to 400Hz, the worker is proved to be injured, the buzzer is controlled to give out a buzzing alarm, and other workers are reminded to take corresponding rescue measures in time.

The invention is further configured to: the processing terminal also comprises a storage module, and the storage module is used for storing the received sound information, the processed sound information, the screened sound information and the like.

By adopting the scheme, the storage module is used for storing the received sound information, the processed sound information, the screened sound information and the like, so that the sound information processed in each step has traceability, and information can be conveniently integrated and called in the later stage.

The invention is further configured to: the receiving module is used for transmitting through wired transmission or wireless transmission.

By adopting the scheme, the wired transmission is more stable, the transmitted image quality is clearer, and the wireless transmission is low in cost and can also be transmitted remotely.

The invention is further configured to: the acquisition end comprises a sound acquisition module and a sending module; the sound collection module collects sounds in the workshop in real time, converts the sounds into sound information and sends the detected sound information to the sending module; and the sending module is used for receiving the sound information output by the sound acquisition module and sending the received sound information to the receiving module.

By adopting the scheme, the sound collection module collects sound information in a workshop in real time and sends the detected sound information to the sending module, and the sending module sends the received sound information to the receiving module when receiving the sound information output by the sound collection module.

The invention is further configured to: the sound collection module comprises a sound sensor, and the sound sensor is used for collecting all sound information in the workshop and sending the collected sound information to the sending module.

By adopting the scheme, the sound sensor is used for collecting all sound information in a workshop and sending the collected sound information to the sending module, the model of the sound sensor is a BR-ZS1 noise monitor which is used for receiving sound waves and displaying vibration images of sound, and the sound sensor has the characteristics of high fidelity, good anti-interference performance, digital wireless audio transmission, small volume, high integration level and the like.

In conclusion, the invention has the following beneficial effects:

1. the collection end is arranged and used for collecting sound in a workshop and sending collected sound information to the processing end; the processing end processes the received sound information and sends an execution signal to the execution end when the processed sound information meets the condition that the worker is injured; the system comprises an execution end, an acquisition end and a processing end, wherein the execution end is a main switch valve connected with equipment in a workshop, the execution end controls the main switch valve to be closed after receiving an execution signal sent by the processing end, the acquisition end detects sound information in the workshop in real time and sends the detected sound information to the processing end, the processing end processes the received information, the processing end sends the execution signal to the control end when the processed information meets the condition that workers are injured, and the execution end controls the main switch valve to be powered off when receiving the execution signal sent by the processing end, namely, the equipment can be automatically controlled to stop working when the workers are injured, so that the condition that the workers are more injured due to the work of the equipment is reduced;

2. the screening module is provided with an LC circuit according to f₀= 1/(2 π √ LC), f is adjusted by adjusting the capacitance C₀F, wherein f is a critical value of the sampling frequency, sound waves with frequencies less than 200 Hz and greater than 400Hz are automatically filtered by setting two critical values of the sampling frequency f to be 200 Hz and 400Hz respectively, so that only the frequency of the collected sound waves is within 200-400 Hz, namely, only the frequency generated by screaming when workers are injured can be collected, and the detected target frequency is sent to the storage module and the control module;

3. the processing end comprises the storage module, the storage module is used for storing the received sound information, the processed sound information, the screened sound information and the like, and the storage module is used for storing the received sound information, the processed sound information, the screened sound information and the like, so that the sound information processed in each step has traceability, and information can be conveniently integrated and called in the later period.

Drawings

FIG. 1 is a system diagram of an embodiment;

fig. 2 is a block diagram of a transmitting module and a processing end.

In the figure, 1, an acquisition end; 11. a sound collection module; 111. a sound sensor; 12. a sending module; 2. a processing end; 21. a receiving module; 22. a processing module; 23. a screening module; 24. a storage module; 25. a control module; 251. an alarm unit; 2511. a buzzer; 3. an execution end; 31. and (4) switching on and off the main valve.

Detailed Description

An intelligent workshop control system is shown in figure 1 and comprises a collection end 1, a processing end 2 and an execution end 3, wherein the collection end 1 is used for collecting sound in a workshop and sending collected sound information to the processing end 2; the processing terminal 2 processes the received sound information, and sends an execution signal to the execution terminal 3 when the processed sound information meets the condition that the worker is injured; and the execution end 3 is an execution end, the execution end 3 is connected with the main switch valve 31 and used for controlling the on-off of the main switch valve 31, the main switch valve 31 is arranged between the power supply and the equipment in the workshop, and the execution end 3 controls the main switch valve 31 to be closed after receiving the execution signal sent by the processing end 2, namely, the equipment in the workshop is controlled to stop working, so that the secondary injury to the staff caused by the continuous operation of the equipment is reduced.

Referring to fig. 1, the collection terminal 1 includes a sound collection module 11 and a transmission module 12; the sound collection module 11 comprises a sound sensor 111, the sound sensor 111 is used for collecting all sound information in a workshop and sending the collected sound information to the sending module 12, the model of the sound sensor 111 is a BR-ZS1 noise monitor which is used for receiving sound waves and displaying vibration images of sound, and the sound collection module has the characteristics of high fidelity, good anti-interference performance, digital wireless audio transmission, small volume, high integration level and the like; the sending module 12 is configured to receive the sound collected by the sound sensor 111 and send the received sound information to the processing terminal 2, and the sending module 12 may send the information through the processing terminal 2 of the wireless transmission box, so that the wireless transmission is low in cost and capable of performing long-distance transmission.

Referring to fig. 2, the processing terminal 2 includes a receiving module 21, a processing module 22, a filtering module 23, a storage module 24, and a control module 25. The storage module 24 is used for storing the received sound information, the processed sound information, the screened sound information and the like, so that the sound information processed in each step has traceability, and information can be conveniently integrated and called in the later period; the receiving module 21, the receiving module 21 is configured to receive the sound information sent by the sending module 12, and send the received sound information to the screening module 23 and the storage module 24; the receiving module 21 can transmit the image more stably through wired transmission or wireless transmission, so that the transmitted image quality is clearer, and the wireless transmission is low in cost and can transmit the image remotely. When receiving the sound information sent by the sending module 12, the processing module 22 converts the sound information into sound frequencies, and sends the converted sound frequencies to the screening module 23 and the storage module 24, where the sound information includes frequencies generated by the operation of the device, frequencies generated by the speaking of the staff, and the like, that is, the collected sound frequencies include multiple frequencies.

See fig. 2, where the frequency generated by the device during operation is ≧ 400Hz, in particular generated by the device work in the workshopThe frequency of the voice-operated intelligent voice recognition system is accurate, the frequency of a person speaking normally is 140-160 Hz, when the worker is injured, the worker can give out screaming in an instinctive response, and when the person is screaming, the frequency is about 200-400 Hz. The screening module 23 is configured to receive the sound frequency sent by the processing module 22, and filter out a sound frequency with a frequency higher than a first frequency value (i.e., a frequency generated by the device) and a frequency lower than a second frequency value (i.e., a frequency at which a person normally speaks), that is, a sound frequency generated by the device and a sound spoken by a worker mixed in the sound frequency; by using LC circuits, according to f₀= 1/(2 π √ LC), f is adjusted by adjusting the capacitance C₀= f, where f is the critical value of the sampling frequency. Through setting two critical values of sampling frequency f to be 200 Hz and 400Hz respectively, automatically filter the sound wave of which the frequency is less than 200 Hz and is greater than 400Hz, only the frequency of occurrence in the collected sound wave is within 200-400 Hz, namely, the frequency generated by screaming when the worker is injured can only be collected, and the detected target frequency is sent to the storage module 24 and the control module 25. The control module 25 is configured to receive the target frequency value f output by the screening module 23, and determine whether the sound frequency is within the first frequency range and the second frequency range, if so, that is, the sound frequency is a frequency generated by a scream occurring in a worker, and the control module sends a shutdown signal to the execution end; comparing the received frequency value f with a critical value of 200 Hz and a critical value of 400Hz, when the frequency value is not less than 200 Hz and not more than 400Hz, sending a closing signal to the processing end 2, and controlling the switch main valve 31 to be powered off by the processing end 2, so as to prevent the equipment from continuously running and bringing greater personal injury to the working personnel; wherein the control module 25 is connected with an alarm unit 251, the alarm unit 251 is set as a buzzer 2511, and when the frequency value f: when f is more than or equal to 200 Hz and less than or equal to 400Hz, the worker is proved to be injured, the buzzer 2511 is controlled to give out a buzzing alarm, and other workers are reminded to take corresponding rescue measures in time.

The use principle is as follows: the sound sensor 111 detects sound information in the workshop in real time, the detected sound information is transmitted to the sending module 12, and the sending module 12 sends the sound information to the receiving module 21 when receiving the sound information transmitted by the sound sensor 111; the receiving module 21 sends the sound information to the processing module 22 when receiving the sound information, the processing module 22 converts the sound information into a frequency corresponding to the sound, and sends the frequency to the screening module 23, the screening module 23 screens out a sound wave with a frequency of 200 ≤ f ≤ 400Hz by adjusting the capacitor C, and transmits the screened target sound wave to the control module 25, when the frequency value f: when f is more than or equal to 200 and less than or equal to 400Hz, the worker is proved to be injured, the buzzer 2511 is controlled to give out a buzzer alarm, and the switch main valve 31 is controlled to be powered off.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.