CN111367162A - Dust explosion suppression controller - Google Patents

Dust explosion suppression controller Download PDF

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Publication number
CN111367162A
CN111367162A CN202010358196.7A CN202010358196A CN111367162A CN 111367162 A CN111367162 A CN 111367162A CN 202010358196 A CN202010358196 A CN 202010358196A CN 111367162 A CN111367162 A CN 111367162A
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CN
China
Prior art keywords
module
control unit
zone
control
explosion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010358196.7A
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Chinese (zh)
Inventor
徐义浩
宋辰
姜一昌
李岳
许文斌
徐忠慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Polytechnic Duda Safety Engineering Co ltd
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Dalian Polytechnic Duda Safety Engineering Co ltd
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Publication date
Application filed by Dalian Polytechnic Duda Safety Engineering Co ltd filed Critical Dalian Polytechnic Duda Safety Engineering Co ltd
Priority to CN202010358196.7A priority Critical patent/CN111367162A/en
Publication of CN111367162A publication Critical patent/CN111367162A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention provides a dust explosion suppression controller, which is connected with a suppressor and comprises an intelligent detection unit and a control unit; the intelligent detection unit comprises an integrated control panel for collecting static explosion pressure and explosion pressure rising rate in protected equipment and a connecting lead for transmitting collected alarm feedback signals to the control unit; the control unit is used for recording static explosion pressure, explosion pressure rising rate, alarm times and time in protected equipment in real time and comprises a single-zone control unit and a multi-zone control unit; the single-zone control unit is used for controlling 1 zone of suppressors; a multi-zone control unit is used to control suppressors of 4, 8, 16, or 32 zones. The controller provided by the invention can continuously monitor dangerous conditions which may cause explosion, and simultaneously can immediately process the detected alarm feedback signal, drive the system to inhibit action and isolate initial explosion.

Description

Dust explosion suppression controller
Technical Field
The invention relates to the technical field of dust explosion suppression, in particular to a dust explosion suppression controller.
Background
In industrial production, a large amount of powder and dust is generated, and when the powder and dust are mixed with oxygen in air and reach a certain concentration, if a fire source exists, an explosion accident is generated. In industry, handling, transporting or storing certain materials is done by means of devices of light construction, but these devices are not designed to withstand the high pressures generated by the explosion of dust in a very short time, so that it is necessary to take safety precautions to protect the devices in order to handle the combustible solid particles. The explosion suppression system is used as the most advanced solution of the dust explosion suppression system internationally recognized, and the controller is used for controlling the action of the explosion suppression system in the explosion suppression system, the performance of the controller directly influences whether the explosion suppression system can accurately and instantaneously respond, and the existing controller cannot solve the problems.
Disclosure of Invention
In light of the above-identified problems, a dust suppression controller is provided. The method mainly utilizes an intelligent detection unit to collect static explosion pressure and explosion pressure rising rate in protected equipment, transmits collected alarm feedback signals to a control unit through a connecting lead, and the control unit records the static explosion pressure, the explosion pressure rising rate, the alarm times and time in the protected equipment in real time to realize the control of 1 area of suppressors and 4, 8, 16 or 32 areas of suppressors.
The technical means adopted by the invention are as follows:
a dust explosion suppression controller is connected with a suppressor and comprises an intelligent detection unit and a control unit;
the intelligent detection unit can be remotely programmed and comprises an integrated control panel for collecting static explosion pressure and explosion pressure rising rate in protected equipment and a connecting lead for transmitting collected alarm feedback signals to the control unit;
the control unit can realize automatic self-checking and is used for recording static explosion pressure, explosion pressure rising rate, alarm times and time in protected equipment in real time, and comprises a single-zone control unit and a multi-zone control unit; the single-zone control unit is used for controlling suppressors of 1 zone; the multi-zone control unit is used to control suppressors of 8, 16 or 32 zones.
Furthermore, the single-zone control unit is provided with a single-zone control box, and the single-zone control box is internally provided with a single-zone control module, a relay module, an interface module, an external power module and a standby power module which are electrically connected.
Furthermore, the multi-region control unit is provided with a multi-region control box, and a main control module, an expansion module, a relay module, an interface module, an external power module and a standby power module which are electrically connected are arranged in the multi-region control box and are the same as those in the single-region control box.
Further, the single zone control module is used for controlling 1 zone suppressor.
Further, the main control module is used for controlling suppressors of 4 areas; the expansion module is used to control 8, 16 or 32 zones of suppressors.
Further, the relay module is used to interlock associated protected equipment and remote alarms.
Further, the interface module is used for connecting a suppressor or an externally transmitted USB.
Furthermore, a switch, an indicator light and an alarm are arranged on the single-area control box and the multi-area control box, and the single-area control box and the multi-area control box are all powered by the external power supply module or the standby power supply module.
Further, a handle and a protective door are further arranged on the single-area control box and the multi-area control box.
Furthermore, the integrated control panel is provided with a control panel protective shell, and the control panel protective shell protects the integrated control panel from explosion hazard at any time according to explosion-proof grade requirements.
Compared with the prior art, the invention has the following advantages:
the dust explosion suppression controller provided by the invention can continuously monitor dangerous conditions possibly causing explosion, and simultaneously can immediately process the detected alarm feedback signal, drive a system to suppress action and isolate initial explosion.
Based on the reasons, the invention can be widely popularized in the fields of dust explosion suppression control technology and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the interior of a single zone control box according to the present invention.
FIG. 2 is a schematic view of the interior of a multi-zone control cabinet according to the present invention.
FIG. 3 is an external view of a single zone control box according to the present invention.
Fig. 4 is an exemplary graph of the rate of rise of detonation pressure recorded by the control unit of the present invention.
In the figure: 1. a single zone control module; 2. a main control module; 3. an expansion module; 4. a relay module; 5. an interface module; 6. an external power supply module; 7. a standby power supply module; 8. a switch; 9. an indicator light; 10. an alarm; 11. a handle; 12. a guard gate.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The invention provides a dust explosion suppression controller, which is connected with a suppressor and comprises an intelligent detection unit and a control unit; the suppressor is a technical solution of another patent in this research group, and therefore, is not described herein.
The intelligent detection unit can be remotely programmed and comprises an integrated control panel for collecting static explosion pressure and explosion pressure rising rate in protected equipment and a connecting lead for transmitting collected alarm feedback signals to the control unit;
the control unit can realize automatic self-checking and is used for recording static explosion pressure, explosion pressure rising rate, alarm times and time in protected equipment in real time, and comprises a single-zone control unit and a multi-zone control unit; the single-zone control unit is used for controlling suppressors of 1 zone; the multi-zone control unit is used to control suppressors of 8, 16 or 32 zones.
As shown in fig. 1, the single-zone control unit is provided with a single-zone control box, and the single-zone control box is internally provided with a single-zone control module 1, a relay module 4, an interface module 5, an external power module 6 and a standby power module 7 which are electrically connected.
Preferably, the single zone control module is configured to control 1 zone suppressor.
As shown in fig. 2, the multi-zone control unit is provided with a multi-zone control box, and the multi-zone control box is provided with a main control module 2, an expansion module 3, a relay module 4, an interface module 5, an external power module 6 and a standby power module 7 which are electrically connected with each other, and are the same as those in the single-zone control box.
Preferably, the main control module is used for controlling suppressors of 4 areas; the expansion module is used to control 8, 16 or 32 zones of suppressors.
Preferably, the relay module is used to interlock associated protected equipment and a remote alarm.
Preferably, the interface module is used for connecting a suppressor or an externally transmitted USB.
As shown in fig. 3, the single-zone control box and the multi-zone control box are provided with a switch 8, an indicator light 9 and an alarm 10, which are powered by the external power module 6 or the standby power module 7. The single-area control box and the multi-area control box are also provided with a handle 11 and a protective door 12.
Preferably, the integrated control panel is provided with a control panel protective shell, and the control panel protective shell protects the integrated control panel from explosion hazards at any time according to explosion-proof level requirements.
FIG. 4 is a diagram showing an example of the control unit of the present invention recording the rising rate of the explosion pressure, in which the abscissa is time, the ordinate is the explosion pressure, PagwIs the static alarm pressure sensed by the pressure probe, Δ P is the dynamic alarm pressure sensed by the pressure rise rate probe, Pt0＝PaPressure at system activation, Pt0Δ t is the pressure before system triggering, Δ t is the dynamic alarm time, t0A trigger time, tt0- Δ t is the time before trigger.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A dust explosion suppression controller is connected with a suppressor and is characterized by comprising an intelligent detection unit and a control unit;
the intelligent detection unit can be remotely programmed and comprises an integrated control panel for collecting static explosion pressure and explosion pressure rising rate in protected equipment and a connecting lead for transmitting collected alarm feedback signals to the control unit;
the control unit can realize automatic self-checking and is used for recording static explosion pressure, explosion pressure rising rate, alarm times and time in protected equipment in real time, and comprises a single-zone control unit and a multi-zone control unit; the single-zone control unit is used for controlling suppressors of 1 zone; the multi-zone control unit is used to control suppressors of 8, 16 or 32 zones.
2. A dust suppression controller according to claim 1, wherein the single-area control unit is provided with a single-area control box, and the single-area control box is internally provided with a single-area control module, a relay module, an interface module, an external power module and a standby power module which are electrically connected.
3. A dust suppression controller according to claim 1, wherein the multi-zone control unit is provided with a multi-zone control box, and a main control module, an expansion module, a relay module, an interface module, an external power module and a standby power module which are electrically connected are arranged in the multi-zone control box, and the relay module, the interface module, the external power module and the standby power module are the same as those in the single-zone control box.
4. A dust suppression controller as set forth in claim 2 wherein said single zone control module is adapted to control 1 zone suppressor.
5. A dust suppression controller according to claim 3, wherein said master control module is configured to control 4 zones of suppressors; the expansion module is used to control 8, 16 or 32 zones of suppressors.
6. A dust suppression controller according to claim 1, wherein said relay module is used to interlock associated protected equipment and a remote alarm.
7. A dust suppression controller according to claim 1 wherein said interface module is adapted to connect to a suppressor or an externally transmitted USB.
8. A dust suppression controller according to claim 1, wherein said single-zone control box and said multi-zone control box are provided with a switch, an indicator light, and an alarm, all powered by said external power module or said backup power module.
9. A dust suppression control as set forth in claim 1 wherein said single and multiple zone control boxes are further provided with handles and protective doors.
10. A dust suppression controller according to claim 1, wherein the integrated control panel is provided with a control panel protection housing that constantly protects the integrated control panel from explosion hazards as required by explosion class requirements.
CN202010358196.7A 2020-04-29 2020-04-29 Dust explosion suppression controller Pending CN111367162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010358196.7A CN111367162A (en) 2020-04-29 2020-04-29 Dust explosion suppression controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010358196.7A CN111367162A (en) 2020-04-29 2020-04-29 Dust explosion suppression controller

Publications (1)

Publication Number Publication Date
CN111367162A true CN111367162A (en) 2020-07-03

Family

ID=71209520

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010358196.7A Pending CN111367162A (en) 2020-04-29 2020-04-29 Dust explosion suppression controller

Country Status (1)

Country Link
CN (1) CN111367162A (en)

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