CN219037012U - Ventilation monitoring system for cable production workshop - Google Patents
Ventilation monitoring system for cable production workshop Download PDFInfo
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- CN219037012U CN219037012U CN202223174974.0U CN202223174974U CN219037012U CN 219037012 U CN219037012 U CN 219037012U CN 202223174974 U CN202223174974 U CN 202223174974U CN 219037012 U CN219037012 U CN 219037012U
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- air valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model relates to a ventilation monitoring system of a cable production workshop, belonging to the technical field of ventilation monitoring of cable production workshops; the technical problems to be solved are as follows: the improvement of a hardware structure of a ventilation monitoring system of a cable production workshop is provided; the technical scheme adopted for solving the technical problems is as follows: the intelligent monitoring system comprises a controller arranged in a monitoring room, wherein the controller is connected with a touch screen through an RS232 communication cable, a power input end of the controller is connected with a power module, and a control end of the controller is also connected with a frequency converter module through a wire; the automatic air-conditioning system further comprises a variable frequency fan and an electric air valve, wherein the variable frequency fan is arranged outside the production workshop, the electric air valve is arranged on each station, a ventilation pipeline is arranged in the production workshop, the variable frequency fan is arranged at an air outlet port of the ventilation pipeline, the electric air valve is arranged on the inner side of the ventilation pipeline, and an air valve angle sensor is further arranged on the electric air valve; the system also comprises a signal acquisition device arranged on each station of the production workshop; the utility model is applied to a cable production workshop.
Description
Technical Field
The utility model discloses a ventilation monitoring system of a cable production workshop, and belongs to the technical field of ventilation monitoring of cable production workshops.
Background
The cable is generally formed by packaging a plurality of or a plurality of groups of wires, an insulating layer is generally wrapped on the outer surface of the cable, the insulating layer is a rubber product, and in the manufacturing process, smoke generated during wire stripping of the heat stripper, and toxic and harmful gases such as tin oxide, lead smoke and the like generated during welding operation are accumulated and discharged, so that the body of an operator is easily damaged.
At present, a workshop is mainly provided with a total exhaust fan on an operation site for monitoring and removing toxic gases, but because of lack of station monitoring, the air quantity is not adjustable and depends on manual management on the site, and the problem that the exhaust fan is unrealistic to open in winter is solved, and the existing ventilation monitoring system needs to be improved based on the defects.
Disclosure of Invention
The utility model aims to overcome the defects existing in the prior scheme, and solves the technical problems that: an improvement of a hardware structure of a ventilation monitoring system of a cable production workshop is provided.
In order to solve the technical problems, the utility model adopts the following technical scheme: the ventilation monitoring system of the cable production workshop comprises a controller arranged in a monitoring room, wherein the controller is connected with a touch screen through an RS232 communication cable, a power input end of the controller is connected with a power module, and a control end of the controller is also connected with a frequency converter module through a wire;
the variable frequency fan is arranged at an air outlet port of the ventilating duct, the electric air valve is arranged at the inner side of the ventilating duct, and an air valve angle sensor is further arranged on the electric air valve;
the system also comprises a signal acquisition device arranged on each station of the production workshop;
the controller is connected with the electric air valve, the air valve angle sensor and the signal acquisition device through wires respectively, and the control end of the frequency converter module is connected with the frequency conversion fan through wires.
The controller is also provided with a control panel, and a panel button arranged on the control panel is connected with the controller.
The model of the air valve angle sensor is CW1300-1.
The signal acquisition device is specifically a current sensing module, and the current sensing module is specifically an alternating current sensor with the model of M3050.
The frequency converter module specifically adopts a Siemens MM440 type frequency converter.
The touch screen specifically adopts a touch screen of the model MCGSTPC1062Ti in a Kunlun state.
The controller specifically adopts a PLC control cabinet with the model number of S7-200.
Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a real-time monitoring system for ventilation of a cable production workshop, which mainly aims at control of an alternating current variable frequency speed regulation fan, has a simple structure, is convenient to operate, can realize functions of unattended automatic operation monitoring, automatic air volume regulation and the like, and is provided with a controller which is matched with sensors and executing mechanisms distributed at stations, so that control of starting, stopping and air volume switching of the ventilation system is realized, the control precision is high, the reliability is high, and compared with the traditional manual monitoring efficiency, the interactivity is higher.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a circuit structure of the present utility model;
fig. 2 is a schematic circuit diagram of the wiring of the controller of the present utility model.
Detailed Description
As shown in fig. 1 and 2, the utility model provides a monitoring system based on an alternating current variable frequency speed regulation fan in a control area, which aims at the problem that toxic and harmful gas is generated during production in a cable manufacturing workshop and cannot be monitored and discharged in time.
The utility model is based on the alternating current variable frequency speed regulation control technology, can realize the functions of unmanned automatic operation, automatic air volume adjustment and the like of a ventilation system, and the system mainly comprises a signal acquisition unit, a control unit, an execution mechanism, a pipeline unit and the like.
The signal acquisition unit is composed of various sensors distributed and arranged on the site of a production workshop, wherein the current sensing modules are installed at each station and are responsible for detecting whether the current station is in a working state or not, the air valve angle signal sensors installed at all air valves are used for acquiring air valve switching degree signals, and the signal acquisition unit is responsible for acquiring the signals and sending the acquired signals to the control unit in real time.
The control unit consists of a Programmable Logic Controller (PLC), a power supply module, a touch screen, a frequency converter module and other components, takes the PLC as a control center, analyzes and processes signals acquired and transmitted by the signal acquisition unit, executes operation according to a preset program, and transmits corresponding control instructions to corresponding execution mechanisms on site to control actions; the panel button arranged on the controller is responsible for providing control signal input such as automatic, stopping, converting, emergency stopping and the like for the control unit, the control unit has an abnormal signal processing function, and when the acquired data exceeds a preset threshold value in the operation detection process, the system automatically stops operation and carries out alarm display.
The touch screen is used as a man-machine interaction interface and is connected with the programmable controller through a serial port RS232 communication cable, so that the working state of the system, all input signals and output signal states can be displayed in real time, system fault information can be checked, and all operations of the system can be realized by replacing entity buttons.
The actuating mechanism is a specific action actuating unit and mainly comprises a variable frequency fan and a plurality of electric air valves, and the actuating mechanism responds to a control instruction sent by the control unit to work and gives feedback control information to the control system; the variable frequency fan is made of a common asynchronous motor and a heat dissipation fan, the electric air valve is arranged in the pipeline unit, and the electric air valve is switched on and off in response to the instruction of the control unit.
The pipeline unit consists of a ventilating duct arranged in a workshop space and collecting devices distributed in each station, is a physical channel for gas exchange and is responsible for exhausting toxic and harmful gas generated by each station and air in the whole space.
Furthermore, when the utility model is used, the control unit is started, after the system is electrified, the PLC enters a working state, the program starts self-checking, and the system reset operation (all states are completely clear 0) is executed. After the system reset operation is completed, the external execution signal input is waited. And when the start signal is detected, judging the working state. If the state is an automatic state, judging the state of the air valve, if the state is not in the initial position, executing reset operation, if the reset is unsuccessful, switching to abnormal processing, and alarming and exiting; after the reset is successful, the in-place program carries out inspection, and the working state of each station is judged. When detecting that a signal for entering the working state is input to a certain station, opening the main air valve and the air valve at the corresponding station, confirming the opening state of the air valve in the opening process of the air valve, and if the air valve is not opened, switching to abnormal processing and alarming and exiting. After confirming that the two air valves are opened, starting the heat dissipation fan and starting the variable frequency fan. The system monitors the running condition of the heat radiation fan in real time, if the heat radiation fan stops running, the system shifts to abnormal processing, and alarms and exits. The system dynamically adjusts the rotating speed of the variable frequency fan according to the in-place state of each station. When detecting that each station does not enter the working state for input, the system delays and stops reversely. If the air is in a ventilation state, all air valves are opened, the fan operates at full frequency, and the fan is automatically switched to an automatic working state after three minutes.
The utility model is successfully applied to a unit electric installation workshop, and through operation test, each function is controlled normally, abnormal response is correct, reliability is high, system structure is simple, operation is convenient, maintainability is strong, operation is reliable, energy is saved, consumption is reduced, expansibility of system structure is strong, capacity expansion operation can be carried out according to user needs, operation difficulty is low, and good popularization prospect is provided.
The specific structure of the utility model needs to be described that the connection relation between the component modules adopted by the utility model is definite and realizable, and besides the specific description in the embodiment, the specific connection relation can bring about corresponding technical effects, and on the premise of not depending on execution of corresponding software programs, the technical problems of the utility model are solved, the types of the components, the modules and the specific components, the connection modes of the components and the expected technical effects brought by the technical characteristics are clear, complete and realizable, and the conventional use method and the expected technical effects brought by the technical characteristics are all disclosed in patents, journal papers, technical manuals, technical dictionaries and textbooks which can be acquired by a person in the field before the application date, or the prior art such as conventional technology, common knowledge in the field, and the like, so that the provided technical scheme is clear, complete and the corresponding entity products can be reproduced or obtained according to the technical means.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (7)
1. The utility model provides a cable manufacture workshop ventilation monitored control system, includes the controller of setting in the control room, its characterized in that: the controller is connected with the touch screen through an RS232 communication cable, the power input end of the controller is connected with the power module, and the control end of the controller is also connected with the frequency converter module through a wire;
the variable frequency fan is arranged at an air outlet port of the ventilating duct, the electric air valve is arranged at the inner side of the ventilating duct, and an air valve angle sensor is further arranged on the electric air valve;
the system also comprises a signal acquisition device arranged on each station of the production workshop;
the controller is connected with the electric air valve, the air valve angle sensor and the signal acquisition device through wires respectively, and the control end of the frequency converter module is connected with the frequency conversion fan through wires.
2. A cable plant ventilation monitoring system according to claim 1, characterized in that: the controller is also provided with a control panel, and a panel button arranged on the control panel is connected with the controller.
3. A cable plant ventilation monitoring system according to claim 1, characterized in that: the model of the air valve angle sensor is CW1300-1.
4. A cable plant ventilation monitoring system according to claim 1, characterized in that: the signal acquisition device is specifically a current sensing module, and the current sensing module is specifically an alternating current sensor with the model of M3050.
5. A cable plant ventilation monitoring system according to claim 1, characterized in that: the frequency converter module specifically adopts a Siemens MM440 type frequency converter.
6. A cable plant ventilation monitoring system according to claim 1, characterized in that: the touch screen specifically adopts a touch screen of the model MCGSTPC1062Ti in a Kunlun state.
7. A cable plant ventilation monitoring system according to claim 1, characterized in that: the controller specifically adopts a PLC control cabinet with the model number of S7-200.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174974.0U CN219037012U (en) | 2022-11-29 | 2022-11-29 | Ventilation monitoring system for cable production workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223174974.0U CN219037012U (en) | 2022-11-29 | 2022-11-29 | Ventilation monitoring system for cable production workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219037012U true CN219037012U (en) | 2023-05-16 |
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ID=86313312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223174974.0U Active CN219037012U (en) | 2022-11-29 | 2022-11-29 | Ventilation monitoring system for cable production workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219037012U (en) |
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2022
- 2022-11-29 CN CN202223174974.0U patent/CN219037012U/en active Active
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