CN219496938U - Electric control signal conversion module - Google Patents
Electric control signal conversion module Download PDFInfo
- Publication number
- CN219496938U CN219496938U CN202320557690.5U CN202320557690U CN219496938U CN 219496938 U CN219496938 U CN 219496938U CN 202320557690 U CN202320557690 U CN 202320557690U CN 219496938 U CN219496938 U CN 219496938U
- Authority
- CN
- China
- Prior art keywords
- conversion module
- signal conversion
- over switch
- change
- control signal
- 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.)
- Active
Links
Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Selective Calling Equipment (AREA)
Abstract
The utility model discloses an electric control signal conversion module, which comprises a terminal group, a change-over switch and a relay which are respectively integrated on a circuit board, wherein the terminal group is provided with two signal access terminals which are matched in pairs to receive external control signals, the change-over switch is provided with two input ends and four output ends, the two input ends are respectively and correspondingly electrically connected with the two signal access terminals, the relay is connected between one input end and one signal access terminal corresponding to the two input ends, the two output ends are connected in series, and the rest two output ends are respectively and electrically connected with an onboard power supply and a grounding end of the circuit board. The electrical control signal conversion module can receive the active signal and the passive signal, so that compatibility of external control signal types is realized, the universality of the fire water supply equipment is expanded, and the design/layout difficulty and the manufacturing cost of the fire water supply equipment are reduced; avoid installer misoperation, promote the efficiency and the accuracy of equipment installation, ensure equipment safe handling.
Description
Technical Field
The utility model relates to the technical field of electric signal conversion, in particular to an electric control signal conversion module applied to fire water supply equipment.
Background
The external control signal of the control cabinet of the existing fire water supply equipment in the market can only receive DC24V active signals or passive switching value signals. However, as the manufacturers of various national fire alarm systems and the manufacturers of comprehensive backup plates (IBP control panels) are numerous, unified remote control signal types cannot be achieved on the fire water supply equipment, that is, unified use of DC24V active signals or passive switching value signals cannot be achieved on the equipment, so that two types of signal access terminals are required to be designed in a control cabinet of the fire water supply equipment. The design difficulty, the layout difficulty and the manufacturing cost of the equipment are increased, and particularly the on-site installer is easy to misconnect, so that the risk of damaging the equipment is increased, and the cost of the operator spent on equipment repair is increased.
In view of this, the present utility model has been made.
Disclosure of Invention
In order to overcome the defects, the utility model provides the electric control signal conversion module which is simple, novel and reasonable in structure and can receive the active signals and the passive signals, so that the compatibility of external control signal types is well realized, the uniformity and the universality of the fire water supply equipment are expanded, and the design difficulty, the layout difficulty and the manufacturing cost of the fire water supply equipment are greatly reduced; and avoid installer misoperation's drawback well, promoted the efficiency and the accuracy of equipment installation greatly, ensured equipment safe handling, reduced equipment maintenance cost.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an electric control signal conversion module, includes terminal group, change over switch and relay, terminal group, change over switch and relay all integrate respectively on the circuit board, wherein, the terminal group has two signal access terminals in order to receive external control signal with the cooperation in pairs, change over switch has two input and four output, two the input respectively correspond with two signal access terminal electric connection, and in one the input and its corresponding one be connected with between the signal access terminal the relay, two the output is connected in series, and the remaining two the output respectively electric connection in the on-board power and the earthing terminal of circuit board.
As a further improvement of the utility model, the transfer switch adopts a double-pole double-throw transfer switch; the relay is used as an external output end of the electric control signal conversion module.
As a further improvement of the present utility model, the terminal group, the change-over switch and the relay together constitute a signal conversion module unit; the signal conversion module units are at least two and are arranged on the circuit board in parallel.
As a further improvement of the present utility model, in each of the signal conversion module units, the number of the relays is one or at least two; when the number of the relays is at least two, at least two relays are connected in parallel between one input end and one signal access terminal corresponding to the input end.
As a further improvement of the utility model, the on-board power supply of the circuit board is a direct current 24V power supply.
The beneficial effects of the utility model are as follows: 1) The electrical control signal conversion module has a simple, novel and reasonable structure, can realize that the same terminal group can receive active signals and passive signals through the switching state of the change-over switch, thus the compatibility of external control signal types is well realized, the uniformity and the universality of the fire water supply equipment are further improved, and the design difficulty, the layout difficulty and the manufacturing cost of the fire water supply equipment are greatly reduced (because the additional wiring terminals are not required to be added); in particular, the defect of misoperation of an installer is well avoided, so that the efficiency and the accuracy of equipment installation are greatly improved, the safe use of the equipment is ensured, and the equipment overhaul cost is reduced. 2) The electric control signal conversion modules can be designed into a plurality of groups according to the product requirement and are integrated on the circuit board in parallel, so that mass production can be realized, electric control wiring can be greatly reduced, the construction period can be shortened, the reliability of the product (the key point of the fire-fighting equipment is reliability) can be improved, and the maintenance difficulty can be reduced.
Drawings
Fig. 1 is a schematic circuit diagram of an electrical control signal conversion module according to the present utility model.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic circuit diagram of an electrical control signal conversion module according to the present utility model.
The utility model provides an electric control signal conversion module, which comprises a terminal group, a change-over switch and a relay, wherein the terminal group, the change-over switch and the relay are respectively integrated on a circuit board, the terminal group is provided with two signal access terminals which are matched in pairs to receive external control signals, the change-over switch is provided with two input ends and four output ends, the two input ends are respectively and correspondingly electrically connected with the two signal access terminals, the relay (the relay is used as an external output end of the electric control signal conversion module) is connected between one input end and one corresponding signal access terminal, the two output ends are connected in series, and the rest two output ends are respectively and electrically connected with an onboard power supply and a grounding end of the circuit board.
The electrical control signal conversion module has a simple, novel and reasonable structure, can realize that the same terminal group can receive active signals and passive signals through the switching state of the change-over switch, thus the compatibility of external control signal types is well realized, the uniformity and the universality of the fire water supply equipment are further improved, and the design difficulty, the layout difficulty and the manufacturing cost of the fire water supply equipment are greatly reduced (because the additional wiring terminals are not required to be added); in particular, the defect of misoperation of an installer is well avoided, so that the efficiency and the accuracy of equipment installation are greatly improved, the safe use of the equipment is ensured, and the equipment overhaul cost is reduced. In addition, the electrical control signal conversion module is integrated on the circuit board, so that mass production can be realized, electrical control wiring can be reduced, the construction period can be shortened, the reliability of the product can be improved, and the maintenance difficulty can be reduced.
In this embodiment, preferably, the signal access terminal adopts a foolproof plug, so that the overall plug replacement can be realized, the maintenance personnel are not required to master a lot of electrical professional skills, and the maintenance difficulty is reduced.
Preferably, the change-over switch adopts a double-pole double-throw change-over switch, plays a role in switching the working state, and well meets the design requirement of products.
Preferably, if the terminal group, the change-over switch, and the relay are collectively referred to as one signal conversion module unit, namely: the terminal group, the change-over switch and the relay together form a signal conversion module unit; in this embodiment, the signal conversion module units may be at least two and disposed in parallel on the circuit board; to accommodate different electrical control requirements. Of course, by integrating at least two signal conversion module units in parallel on the circuit board, mass production can be realized, meanwhile, electrical control wiring can be greatly reduced, construction period is shortened, product reliability is improved, and maintenance difficulty is reduced.
Further, in each of the signal conversion module units, the number of the relays may be set to one or at least two; and when the number of the relays is at least two, at least two of the relays are connected in parallel between one of the input ends and one of the signal access terminals corresponding to the input end. By configuring a plurality of relays in parallel, the contact point positions of the relays can be expanded to meet the circuit design requirement.
In addition, in this embodiment, the on-board power supply of the circuit board is a dc24V power supply.
The specific structure and working principle of the electrical control signal conversion module according to the present utility model will be described in detail with reference to fig. 1.
As shown in fig. 1, the number of the signal conversion module units is four, wherein the first signal conversion module unit is provided with a signal access terminal J11-1, a signal access terminal J11-2, a change-over switch S6 and a relay ka1_1, two input ends of the change-over switch S6 are respectively electrically connected with the signal access terminals J11-1 and J11-2, two output ends of the change-over switch S6 are connected in series, and the remaining two output ends are respectively connected with an on-board power supply (DC 24V) and a ground end (a common end GND) of the circuit board; the relay KA1_1 is one and is connected between the signal access terminal J11-2 and one input end of the change-over switch S6;
the second signal conversion module unit is provided with a signal access terminal J11-3, a signal access terminal J11-4, a change-over switch S5 and a relay KA1_2, wherein two input ends of the change-over switch S5 are respectively and electrically connected with the signal access terminals J11-3 and J11-4, two output ends of the change-over switch S5 are connected in series, and the remaining two output ends are respectively connected with an onboard power supply (DC 24V) and a grounding end (public end GND) of the circuit board; the two relays KA1_2 are connected in parallel between the signal access terminal J11-4 and one input end of the change-over switch S5;
the third signal conversion module unit is provided with a signal access terminal J11-5, a signal access terminal J11-6, a change-over switch S4 and a relay KA2_1, wherein two input ends of the change-over switch S4 are respectively and electrically connected with the signal access terminals J11-5 and J11-6, two output ends of the change-over switch S4 are connected in series, and the remaining two output ends are respectively connected with an onboard power supply (DC 24V) and a grounding end (public end GND) of the circuit board; the relay KA2_1 is one and is connected between the signal access terminal J11-6 and one input end of the change-over switch S4;
the fourth signal conversion module unit is provided with a signal access terminal J11-7, a signal access terminal J11-8, a change-over switch S3 and a relay KA2_2, wherein two input ends of the change-over switch S3 are respectively and electrically connected with the signal access terminals J11-7 and J11-8, two output ends of the change-over switch S3 are connected in series, and the remaining two output ends are respectively connected with an onboard power supply (DC 24V) and a grounding end (public end GND) of the circuit board; the relay KA2_2 is two, connected in parallel between the signal access terminal J11-8 and one input terminal of the change-over switch S3.
Since the operation principle of the four signal conversion module units is the same, only the first signal conversion module unit will be described as an example. When the external control signals received by the signal access terminal J11-1 and the signal access terminal J11-2 are "DC24V active signals" (which means that the DC24V is an external power source and is not an on-board power source), two knives (or called a movable arm) in the change-over switch S6 are respectively in contact communication with two output ends connected in series in the change-over switch S6, that is, the working state shown in fig. 1 is the working state, and the working state switched to by the change-over switch S6 at this time is the "active state", so that the signal access terminal J11-1, the change-over switch S6, the relay KA1_1 and the signal access terminal J11-2 form a channel, and the external DC24V active signals are further realized to directly control the relay KA1_1. And when the external control signals received by the signal access terminal J11-1 and the signal access terminal J11-2 are "passive signals" (switching value signals), the two blades in the change-over switch S6 are respectively in contact communication with the remaining two output terminals in the change-over switch S6, namely: two knives in the change-over switch S6 are respectively connected with an on-board power supply (DC 24V) and a ground terminal (common terminal) of the circuit board, and the change-over switch S6 at this time is switched to a "passive state", so as to realize an external passive signal (switching value signal) control relay ka1_1.
In summary, the electrical control signal conversion module has a simple, novel and reasonable structure, and can receive the active signals and the passive signals, thereby well realizing the compatibility of external control signal types, expanding the uniformity and the universality of the fire water supply equipment, and greatly reducing the design difficulty, the layout difficulty and the manufacturing cost of the fire water supply equipment; and avoid installer misoperation's drawback well, promoted the efficiency and the accuracy of equipment installation greatly, ensured equipment safe handling, reduced equipment maintenance cost.
In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The foregoing description is only of a preferred embodiment of the utility model, which can be practiced in many other ways than as described herein, so that the utility model is not limited to the specific implementations disclosed above. While the foregoing disclosure has been described with reference to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model without departing from the technical solution of the present utility model still falls within the scope of the technical solution of the present utility model.
Claims (5)
1. An electrical control signal conversion module, characterized in that: the circuit board is characterized by comprising a terminal group, a change-over switch and a relay, wherein the terminal group, the change-over switch and the relay are integrated on the circuit board respectively, the terminal group is provided with two signal access terminals which are matched in pairs to receive external control signals, the change-over switch is provided with two input ends and four output ends, the two input ends are respectively and correspondingly connected with the two signal access terminals, one input end is connected with the relay between the corresponding signal access terminal, the two output ends are connected in series, and the remaining two output ends are respectively and electrically connected with an onboard power supply and a grounding end of the circuit board.
2. The electrical control signal conversion module of claim 1, wherein: the change-over switch adopts a double-pole double-throw change-over switch; the relay is used as an external output end of the electric control signal conversion module.
3. The electrical control signal conversion module of claim 1, wherein: the terminal group, the change-over switch and the relay together form a signal conversion module unit; the signal conversion module units are at least two and are arranged on the circuit board in parallel.
4. The electrical control signal conversion module of claim 3, wherein: in each signal conversion module unit, the number of the relays is one or at least two; when the number of the relays is at least two, at least two relays are connected in parallel between one input end and one signal access terminal corresponding to the input end.
5. The electrical control signal conversion module of claim 1, wherein: the on-board power supply of the circuit board is a direct-current 24V power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320557690.5U CN219496938U (en) | 2023-03-21 | 2023-03-21 | Electric control signal conversion module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320557690.5U CN219496938U (en) | 2023-03-21 | 2023-03-21 | Electric control signal conversion module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219496938U true CN219496938U (en) | 2023-08-08 |
Family
ID=87482767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320557690.5U Active CN219496938U (en) | 2023-03-21 | 2023-03-21 | Electric control signal conversion module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219496938U (en) |
-
2023
- 2023-03-21 CN CN202320557690.5U patent/CN219496938U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE430460B (en) | ELECTRICAL POWER SOCKET AND USE THEREOF | |
| CN203520079U (en) | Industrial automation controller of which input-output modules and MCU main control units are replaceable | |
| CN219496938U (en) | Electric control signal conversion module | |
| CN206133277U (en) | A programmable logic control cabinet for automobile industry production facility system | |
| CN209417584U (en) | A kind of quick distributor circuit of PLC relay | |
| CN110647095A (en) | Sewage and wastewater intelligent control cabinet | |
| CN113629514A (en) | Inverse switch cabinet | |
| CN110647128B (en) | Integrated automatic monitoring management system for transformer substation | |
| CN114513052A (en) | Power supply directional control system | |
| CN211377569U (en) | Outdoor installation full voltage level integration transformer protection device | |
| CN220105544U (en) | Relay control panel suitable for electric tracing equipment | |
| CN203178400U (en) | Short circuit and ground fault indicator and distribution automation system | |
| CN214957663U (en) | Industrial distribution board based on intelligent panel | |
| CN214958199U (en) | Intelligent ring main unit with primary and secondary fusion | |
| CN201000557Y (en) | Timing control device socket | |
| CN202433733U (en) | Rapid interface control module | |
| CN210241916U (en) | Control cabinet for central air-conditioning control system | |
| CN213182408U (en) | Water purification plant control system | |
| CN217569167U (en) | Wet-type electric precipitation low-voltage controller | |
| CN218957819U (en) | Centralized serial electrochemical energy storage controller | |
| CN213937539U (en) | Distributed station terminal equipment | |
| CN221424623U (en) | Valve island box, pneumatic valve device and system | |
| CN218383730U (en) | General interface board and electrical control equipment | |
| CN220747100U (en) | Full-frequency constant-pressure water supply control distribution box | |
| CN219575481U (en) | High-voltage double-isolation switch with T-connection lead terminal on static contact head of shared support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |