CN202975698U - Relay module - Google Patents
Relay module Download PDFInfo
- Publication number
- CN202975698U CN202975698U CN 201220564368 CN201220564368U CN202975698U CN 202975698 U CN202975698 U CN 202975698U CN 201220564368 CN201220564368 CN 201220564368 CN 201220564368 U CN201220564368 U CN 201220564368U CN 202975698 U CN202975698 U CN 202975698U
- Authority
- CN
- China
- Prior art keywords
- relay
- circuit board
- circuit
- working power
- connector
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Relay Circuits (AREA)
Abstract
The utility model discloses a relay module. Complex control signals and circuits are integrated into one relay module. A user selects a relay as needed which is compatible with a plurality of relay working power supplies. A relay contact has a long service life and strong adaptability. The relay module comprises a PLC (programmable logic controller), a circuit board, a plurality of relays, a connector and a terminal board; wherein, the relays, the connector and the terminal board are installed on the circuit board; the plurality of relays are divided into a plurality of relay sets, each of the relay sets is connected with a relay working power supply; in each of the relay sets, one end of a coil of each relay is connected with the PLC through the circuit board and the connector, the other end is connected with one electrode of the relay working power supply, and the other electrode of the relay working power supply is connected with a circuit board common electrode; a control contact of each relay is connected to the terminal board through the circuit board; the circuit board is provided with a relay socket which is welded on the circuit board; and the relays are inserted on the relay socket.
Description
Technical field
The utility model relates to a kind of relay-set, relates in particular to a kind of relay assembly device in conjunction with PLC switching value and relay.
Background technology
In existing control system, during when needing different voltage transitions to control or with the automatic switch control of the larger electric current of small electric current control, generally all adopt relay to complete such switch control.When load more in control signal, that need control is more, relay Installation and Debugging and circuit will occurs and arrange problems such as wasting time and energy, take up room greatly, keep in repair trouble.And each relay will select according to environmental baseline, load capacity etc. when concrete the use, needs to provide corresponding relay working voltage after selecting.
open day is on Dec 17th, 2008, publication number is that the patent documentation of CN201166804Y discloses the technical scheme that name is called a kind of Control plate, it is at Control plate front connection PLC, some relays of arranging on the Control plate, some input terminals, some lead-out terminals, input conllinear port in the input port group of each relay is electrically connected to mutually, output conllinear port in the output port group of each relay is electrically connected to mutually, input port and input terminal in the input port group of each relay interconnect, output port and lead-out terminal in the output port group of each relay interconnect, operating voltage DC24V.The weak point of this technical scheme is, relay working voltage is fixed as a kind of, the user can't select required relay according to demand, adaptability is not strong, to such an extent as to and exist and not provide relay coil electric energy Releasing loop, alternating impulse absorbing circuit to have a strong impact on the problems such as serviceable life of relay contact.
Summary of the invention
The utility model fundamental purpose is to provide a kind of relay module; complicated control signal and circuit are integrated into a relay module; the user is selective relay as required; can compatible a plurality of relay working powers; and with relay relay indicating light and holding circuit, under controlling, PLC completes complicated control work.
the utility model is mainly solved by following technical proposals for the prior art problem, a kind of relay module, comprise PLC, circuit board, several relays, connector, terminal row, relay, connector and terminal row are arranged on circuit board, several relays are divided into a plurality of relay groups, each relay group connects a relay working power, coil one end of each relay is connected PLC by circuit board with connector in each relay group, the other end connects an electrode of relay working power, on another electrode connecting circuit board public electrode of relay working power, the contact of each relay is connected to terminal row by circuit board, circuit board is provided with relay socket, relay socket is welded on circuit board, relay is plugged on relay socket.
This technical scheme is installed relay concentratedly on circuit board, and to the relay grouping management, every group relay uses a working power, can use the working power of different voltages between group, PLC switching value output terminal by with the cable connector of connector on circuit board, a relay is controlled in each road PLC output; The contact of relay is connected to terminal row, connects load by terminal row, and relay contact is controlled the various loads that connect.
To select relay used in concrete application scenario, such as selecting by the environmental mechanics condition of integral body according to temperature, humidity, air pressure, packaged type, load capacity etc., to consider electromagnetic interference (EMI) or Radio frequency interference (RFI) enabled condition selection DC relay or AC relay on electric parameter, determine the relay coil operating voltage according to selected relay more afterwards.This relay module is selective relay and relay working voltage as required, and relay is plugged on relay socket easily, simple circuit, and reliable operation is used very convenient.
As preferably, relay comprises DC relay and AC relay, and DC relay or AC relay are plugged on relay socket.Because being designed to the PLC outside, the relay coil working power provides, but user choice for use DC relay or AC relay as required.
As preferably, at fly-wheel diode of relay coil two ends reverse parallel connection of DC relay, at the relay coil two ends of AC relay RC circuit in parallel.For making the relay adhesive stablize also protective relay contact, when using DC relay, at the two ends of a relay coil fly-wheel diode in parallel or title release diode; When using AC relay, at the pulsation absorbing circuit of a relay coil two ends resistance in parallel and capacitances in series.
As preferably, also be provided with fly-wheel diode and RC circuit conversion wire jumper on circuit board.By this wire jumper, when using DC relay, be connected in parallel on fly-wheel diode on relay coil and disconnect the RC circuit; When using AC relay, be connected in parallel on the RC circuit on relay coil and disconnect fly-wheel diode.
As preferably, at the relay coil two ends of relay indicator light circuit that is consisted of by light emitting diode and current-limiting resistance in parallel.Can understand in real time the duty of each road relay by this indicator light circuit.
As preferably, be parallel with the Interference absorb circuit on the contact of DC relay and AC relay, the Interference absorb circuit is made of resistance and capacitances in series.This Interference absorb circuit major function is to eliminate spark and the interference that load gets electric rear generation.
The beneficial effect that the utility model brings is; complicated control signal and circuit are integrated into a relay module; the user is selective relay and relay working power as required; module can compatible a plurality of relay working powers, and with relay relay indicating light, holding circuit and Interference absorb circuit, complete complicated control work under PLC controls; simple circuit; safe and reliable, strong adaptability is installed, debugs, keeps in repair all very convenient.
Description of drawings
Fig. 1 is a kind of structured flowchart of the present utility model;
Fig. 2 is a kind of circuit theory diagrams that use DC relay of the present utility model;
Fig. 3 is a kind of circuit theory diagrams that use AC relay of the present utility model.
In figure: the 1st, PLC, the 2nd, connector, the 3rd, relay coil and PLC output connecting circuit, the 4th, the relay group, the 5th, terminal row, the 6th, load, the 7th, circuit board, R is current-limiting resistance, LED value pilot lamp, DS is fly-wheel diode, JC is DC relay, JZ is AC relay, and COM is the circuit board public electrode.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is further described in detail.
embodiment: as shown in Figure 1, the utility model is a kind of relay module (production code member is VS16I16), PLC 1 selects the relay output type, circuit board 7 is printed circuit board (PCB)s, 16 relays are divided into four relay groups 4, each relay is plugged on relay socket, relay socket and circuit board 7 welding, the fitting of connector 2 is welded on circuit board 7, the switching value output terminal of PLC 1 is by the connector of PLC side and the fitting on electric cable connection circuit plate 7, in two terminals of each relay coil, one end is by the fitting on relay coil and PLC output connecting circuit (connecting line) 3 connecting circuit boards 7, the other end is connected on an electrode of corresponding relay working power, on another electrode connecting circuit board public electrode COM of relay working power, the switching value output of corresponding one road PLC 1 of each relay coil, the contact of relay is connected to terminal row 5, load 6 starts relay contact joining in control loop to load by terminal row 5.Relay in each relay group shares a relay working power.
Figure 2 shows that the circuit theory diagrams that use DC relay, only draw the direct supply of two relay groups in figure, wherein, JC is DC relay, DS is fly-wheel diode, and R and LED consist of indicator light circuit, on the contact of DC relay JC and the Interference absorb circuit that consists of of connecting resistance rs and electric capacity cs, L1+, L2+ are different relay working powers, and relay working power negative pole L-is connected to circuit board public electrode COM.When switch corresponding to PLC was closure state, DC relay JC adhesive pilot lamp LED lighted.
Figure 3 shows that the circuit theory diagrams that use AC relay, only draw one tunnel AC power in figure, wherein, JZ is AC relay, resistance R S and capacitor C consist of the pulsation absorbing circuit, resistance R and LED consist of indicator light circuit, on the contact of AC relay JZ and the Interference absorb circuit that consists of of connecting resistance rs and electric capacity cs, AC is AC power, when same power supply (phase place is identical), voltage different (such as the different tap outputs of same Transformer Winding), also can each relay group use different relay working voltages.
Each relay is equipped with conversion wire jumper (keycap formula wire jumper) on circuit board 7, is DC relay or AC relay for selected relay, switches to by this conversion wire jumper the pulsation absorbing circuit that sustained diode S or RS and C consist of.
So the utlity model has following characteristics: in the relay module; the user is selective relay and relay working power as required; module can compatible a plurality of relay working powers; and with relay relay indicating light, holding circuit and Interference absorb circuit; under controlling, PLC completes complicated control work, simple circuit, and safe and reliable; strong adaptability is installed, debugs, keeps in repair all very convenient.
Claims (6)
1. relay module, comprise PLC, it is characterized in that: also comprise circuit board, several relays, connector, terminal row, described relay, connector and terminal row are arranged on described circuit board, described several relays are divided into a plurality of relay groups, each relay group connects a relay working power, coil one end of each relay is connected PLC by described circuit board with connector in each described relay group, the other end connects an electrode of relay working power, on another electrode connecting circuit board public electrode of described relay working power, the contact of each relay is connected to described terminal row by circuit board, described circuit board is provided with relay socket, described relay socket is welded on circuit board, relay is plugged on relay socket.
2. a kind of relay module according to claim 1, it is characterized in that: described relay comprises DC relay and AC relay, described DC relay or AC relay are plugged on relay socket.
3. a kind of relay module according to claim 2, is characterized in that: at fly-wheel diode of relay coil two ends reverse parallel connection of described DC relay, at the relay coil two ends of described AC relay RC circuit in parallel.
4. a kind of relay module according to claim 3, is characterized in that: also be provided with fly-wheel diode and RC circuit conversion wire jumper on described circuit board.
5. described a kind of relay module according to claim 1 and 2, is characterized in that: at the relay coil two ends of described relay indicator light circuit that is made of light emitting diode and current-limiting resistance in parallel.
6. a kind of relay module according to claim 2, it is characterized in that: be parallel with the Interference absorb circuit on the contact of described DC relay and AC relay, described Interference absorb circuit is made of resistance and capacitances in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564368 CN202975698U (en) | 2012-10-30 | 2012-10-30 | Relay module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220564368 CN202975698U (en) | 2012-10-30 | 2012-10-30 | Relay module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202975698U true CN202975698U (en) | 2013-06-05 |
Family
ID=48516752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220564368 Expired - Lifetime CN202975698U (en) | 2012-10-30 | 2012-10-30 | Relay module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202975698U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792101A (en) * | 2013-11-21 | 2014-05-14 | 安徽科航自动化仪器有限公司 | Large-scale rotating machinery detection protector |
| CN104538849A (en) * | 2014-12-09 | 2015-04-22 | 许继电气股份有限公司 | Mutual inductor collecting device |
| CN107538107A (en) * | 2016-06-23 | 2018-01-05 | 上海安莱德汽车零部件有限公司 | A kind of welding gun isolated from power protection device |
-
2012
- 2012-10-30 CN CN 201220564368 patent/CN202975698U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792101A (en) * | 2013-11-21 | 2014-05-14 | 安徽科航自动化仪器有限公司 | Large-scale rotating machinery detection protector |
| CN104538849A (en) * | 2014-12-09 | 2015-04-22 | 许继电气股份有限公司 | Mutual inductor collecting device |
| CN107538107A (en) * | 2016-06-23 | 2018-01-05 | 上海安莱德汽车零部件有限公司 | A kind of welding gun isolated from power protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202189255U (en) | Input type relay module | |
| CN202975698U (en) | Relay module | |
| CN203643576U (en) | Relay detecting device | |
| CN202189256U (en) | Output type relay module | |
| CN202956475U (en) | Relay detection device | |
| CN202256472U (en) | Intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble | |
| CN202435015U (en) | Power supply system | |
| CN203164373U (en) | Detection circuit applied to multiway switch fault signal | |
| CN202310330U (en) | Electric box of motormeter panel | |
| CN205160385U (en) | Power converter based on printed circuit board | |
| CN204989414U (en) | Direct current 24V proximity switch debugs structure | |
| CN201075505Y (en) | Safety electric outlet | |
| CN102611182A (en) | Super capacitance charger | |
| CN201130779Y (en) | Timing switch socket | |
| CN202586326U (en) | Switching value acquisition circuit | |
| CN102438372B (en) | Intelligent lamp circuit and control method thereof | |
| CN204810599U (en) | All -purpose emitting diode fluorescent tube, electrical power generating system and emitting diode drive circuit | |
| CN203631428U (en) | Relay integrated terminal device and control cabinet equipped with same | |
| CN202495732U (en) | Automatic recovery electronic fuse with soft start function | |
| CN203552495U (en) | Answer device capable of carrying out multi-answer choice | |
| CN202997925U (en) | Electronic safety device provided with automatic recovery function | |
| CN202206604U (en) | Led driving power supply control circuit | |
| CN204046877U (en) | A kind of LED constant current driving switch power supply | |
| CN202855588U (en) | Detection module for composite switching device of electronic machinery | |
| CN202750062U (en) | Safe energy-saving multi-control switch device capable of displaying working state of electric appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |