Smoke exhaust and dust removal control system
By setting up an automated management system of smoke exhaust dust removal fan, PLC controller and smoke concentration sensor in the workshop, the problems of inconvenient management of existing smoke exhaust dust removal equipment and energy waste are solved, and more efficient smoke exhaust dust removal control is achieved.
Patent Information
- Application Number
- CN202420010618.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-03
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-01-03
AI Technical Summary
The existing smoke exhaust and dust removal equipment is inconvenient to manage, wastes manpower and increases energy loss.
Design a smoke exhaust and dust removal control system, including setting up a smoke exhaust and dust removal fan, PLC controller and smoke concentration sensor in the workshop, and implementing automated management through the PLC controller and network interface, using smoke concentration sensor to detect smoke concentration and control smoke exhaust and dust removal System operation reduces manual intervention and energy consumption.
The automatic operation of the smoke exhaust and dust removal system is realized, and management is more convenient, which saves artificial resources and reduces energy losses.
Smart Images
Figure CN222241849U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of smoke dust removal, in particular to a smoke exhaust and dust removal control system. Background Art
[0002] With the development of automobile manufacturing processes and technologies, the smoke and dust generated in welding workshops seriously endangers the health of employees. Therefore, it is necessary to install smoke exhaust and dust removal equipment in the workshop to remove smoke and dust. Usually, each workshop is equipped with one or more sets of smoke exhaust and dust removal equipment. The dust concentration in each workshop is different, and the smoke exhaust and dust removal equipment works at full power and uninterruptedly. It is also necessary to manually manage and intervene in each set of smoke exhaust and dust removal equipment, which is not only inconvenient to manage, but also wastes manpower and increases energy loss. Therefore, it is necessary to invent a new smoke exhaust and dust removal control system. Utility Model Content
[0003] The utility model aims to provide a smoke exhaust and dust removal control system to solve the problems of inconvenient management of existing smoke exhaust and dust removal equipment, waste of manpower and increased energy loss.
[0004] The technical solution adopted by the utility model to solve its technical problems is:
[0005] A smoke exhaust and dust removal control system comprises a plurality of groups of smoke exhaust and dust removal system units arranged in a plurality of workshops, wherein the smoke exhaust and dust removal system units comprise smoke exhaust and dust removal fans, a PLC controller and a smoke concentration sensor, wherein the smoke exhaust and dust removal fans are electrically connected to the PLC controller and the PLC controller is electrically connected to the smoke concentration sensor; outlets of the smoke exhaust and dust removal fans in each group of the smoke exhaust and dust removal system units are connected to a dust collector.
[0006] Furthermore, at least one group of dust collectors is provided in each workshop, and each group of dust collectors is electrically connected to a group of PLC controllers.
[0007] Furthermore, the PLC controller is connected to a secondary network switch in each workshop via a network interface, and the secondary network switch is connected to a server.
[0008] Furthermore, all secondary network switches in the workshops are connected to the main network switch, and the main network switch is connected to the server.
[0009] Furthermore, the secondary network switch or the main network switch is connected to a wireless router.
[0010] Furthermore, each welding station in the workshop is provided with a group of dust suction ducts, the inlet of the dust suction ducts is connected with a dust suction hood, and the dust suction ducts are connected to the inlet of the smoke exhaust and dust removal fan.
[0011] Furthermore, the outlet of the smoke exhaust and dust removal fan is connected to the inlet of the dust collector through a dust removal duct.
[0012] The beneficial effects of the utility model: the utility model can detect smoke through the smoke concentration sensors distributed in each monitoring area of the workshop, and control the operation of the smoke exhaust and dust removal system units in each workshop through the PLC controller, so as to realize the automatic operation of the smoke exhaust and dust removal control system, and all the equipment is managed in a unified manner, which makes the management more convenient, saves labor, and reduces energy loss.
[0013] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a diagram of a smoke exhaust and dust removal control system of the utility model.
[0015] Figure 2 This is a control strategy diagram of a smoke exhaust and dust removal control system of the utility model. DETAILED DESCRIPTION
[0016] like Figure 1 A smoke exhaust and dust removal control system shown includes several groups of smoke exhaust and dust removal system units arranged in several workshops, the smoke exhaust and dust removal system units include smoke exhaust and dust removal fans, PLC controllers, and smoke concentration sensors, the smoke exhaust and dust removal fans are electrically connected to the PLC controllers, and the PLC controllers are electrically connected to the smoke concentration sensors; the outlets of the smoke exhaust and dust removal fans in each group of the smoke exhaust and dust removal system units are connected to the dust collectors.
[0017] Preferably, in combination with the above solution, at least one group of dust collectors is provided in each workshop, and each group of dust collectors is electrically connected to a group of PLC controllers. The dust collectors in each workshop can be provided in one or more groups according to the number of welding stations in the workshop and actual needs. One group of fume exhaust and dust removal system units can be connected to one group of dust collectors, or two or more groups of fume exhaust and dust removal system units can be connected to one group of dust collectors.
[0018] Preferably, in combination with the above solution, in order to facilitate the management of each PLC controller through the server, the PLC controller is connected to the secondary network switch in each workshop through a network interface, and the secondary network switch is connected to the server. The server uses the Andon system, which can collect various information about equipment, production and management on the production line. When used in this embodiment, this information can be used to collect smoke concentration information and alarm information.
[0019] Preferably, in combination with the above solution, in order to facilitate network layout management and monitoring, storage and uploading of smoke concentration information, all secondary network switches in the workshop are connected to the main network switch, and the main network switch is connected to the server.
[0020] Preferably, in combination with the above solution, in order to transmit data via a wireless network, the secondary network switch or the main network switch is connected to a wireless router.
[0021] Preferably, in combination with the above scheme, in order to facilitate the arrangement of the dust suction ducts, each welding station in the workshop is provided with a group of dust suction ducts, and a dust suction hood is connected to the inlet of the dust suction ducts. Multiple groups of dust suction ducts can be combined into a total dust suction duct through a three-way structure, etc., and connected to the inlet of the smoke exhaust and dust removal fan.
[0022] Preferably, in combination with the above solution, in order to facilitate the arrangement of the dust removal duct, the outlet of the smoke exhaust and dust removal fan is connected to the inlet of the dust collector through the dust removal duct.
[0023] Principle of the utility model:
[0024] like Figure 2 As shown in the figure, the smoke concentration sensor sends the initial data of the smoke concentration in the workshop to the PLC controller, and the PLC controller compares the initial data information with the preset value. When the smoke concentration is less than or equal to 4mg / m 3 When the smoke concentration is greater than 4mg / m 3 When the dust removal is turned on, the PLC controller sends the start or adjustment signal to the motor controller of the smoke exhaust and dust removal fan, and turns on the dust collector at the same time, and removes dust by turning on the fan motor or adjusting the fan speed through the motor controller; when the dust removal is turned on, the smoke concentration sensor detects that the smoke concentration is less than or equal to 3mg / m 3 When the PLC controller turns off the smoke exhaust and dust removal fan and dust collector.
[0025] In this embodiment, the smoke exhaust and dust removal fan and dust collector are supporting equipment, and Tangsenna DFOE6 can be used, which is mainly composed of a fan motor, a muffler, a fire damper, a motor controller (inverter), a contactor, etc.; the dust collector can be mainly composed of a dust cleaning system, a clean room, a dirty air room, an ash hopper, an ash collection bucket, a filter element, a fire damper, a spark arrester, etc.;
[0026] PLC controller can use Siemens 6ES7515-1AL02-0AB0;
[0027] The smoke concentration sensor can use the SDS031 provided by Shandong Nofang Electronic Technology Co., Ltd., which is mainly composed of an air collector, an audible and visual alarm, a sensor processor, a signal power interface, a display panel, etc. The installation location of the smoke concentration sensor is preferably placed in the area where welding personnel are concentrated and in areas with heavy dust.
[0028] The Andon system is provided by Anhui Haixingyun IoT Technology Co., Ltd.
[0029] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or they are directly applied to other occasions without improvement, they all fall within the protection scope of the utility model.
Claims
1. A smoke exhaust and dust removal control system, comprising a plurality of smoke exhaust and dust removal system units arranged in a plurality of workshops, characterized in that: The smoke exhaust and dust removal system unit includes a smoke exhaust and dust removal fan, a PLC controller, and a smoke concentration sensor. The smoke exhaust and dust removal fan is electrically connected to the PLC controller, and the PLC controller is electrically connected to the smoke concentration sensor; the outlet of the smoke exhaust and dust removal fan in each group of the smoke exhaust and dust removal system units is connected to the dust collector.
2. The smoke exhaust and dust removal control system according to claim 1 is characterized in that: At least one group of dust collectors is provided in each workshop, and each group of dust collectors is electrically connected to a group of PLC controllers.
3. The smoke exhaust and dust removal control system according to claim 1 or 2, characterized in that: The PLC controller is connected to a secondary network switch in each workshop through a network interface, and the secondary network switch is connected to a server.
4. The smoke exhaust and dust removal control system according to claim 3 is characterized in that: All secondary network switches in the workshops are connected to the main network switch, and the main network switch is connected to the server.
5. The smoke exhaust and dust removal control system according to claim 4 is characterized in that: The secondary network switch or the main network switch is connected to the wireless router.
6. The smoke exhaust and dust removal control system according to claim 1 is characterized in that: A set of dust suction pipes is provided on each welding station in the workshop, a dust suction hood is connected to the inlet of the dust suction pipes, and the dust suction pipes are connected to the inlet of the smoke exhaust and dust removal fan.
7. The smoke exhaust and dust removal control system according to claim 1 or 5, characterized in that: The outlet of the smoke exhaust and dust removal fan is connected to the inlet of the dust collector through a dust removal pipeline.