CN202917395U - Electromagnetic relay control device with power supply enable module - Google Patents
Electromagnetic relay control device with power supply enable module Download PDFInfo
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- CN202917395U CN202917395U CN 201220577045 CN201220577045U CN202917395U CN 202917395 U CN202917395 U CN 202917395U CN 201220577045 CN201220577045 CN 201220577045 CN 201220577045 U CN201220577045 U CN 201220577045U CN 202917395 U CN202917395 U CN 202917395U
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Abstract
The utility model discloses an electromagnetic relay control device with a power supply enable module, which is characterized by comprising the power supply enable module and a relay control module, wherein the power supply enable module is connected with the relay control module and used for supplying the power to the relay control module; and the relay control module is composed of a relay and used for controlling the output of the relay. The reliability and stability of the whole relay are improved, and the accident operation of the relay is effectively reduced. A power supply enable circuit in the utility model is a relay multiplexing, so as to effectively reduce the cost.
Description
Technical field
The utility model relates to electronic circuit field, specifically, relates to the electromagnetic type relay control device that a kind of charged enables.
Background technology
Relay (relay) is a kind of electric control device, is when the variation of input variable (energizing quantity) reaches the regulation requirement, makes controlled volume that a kind of electrical equipment that predetermined step changes occurs in electric output circuit.It has control system (claim not only input circuit) and by the interactive relationship between the control system (but also claiming output loop).Usually be applied in the control circuit of automation, it is actually a kind of " automatic switch " that goes to control large electric current running with little electric current.So in circuit, play the effects such as automatic adjusting, safeguard protection, change-over circuit.
The control relay circuit of commonly using at present, generally only can introduce reset signal prevents the malfunction of relay in power up, sort circuit can meet the demands in general occasion.But in the occasion very high to the reliability requirement of relay, sort circuit does not just satisfy requirement, in the application such as relaying protection, in case relay misoperation just might cause large-area outage and even the more generation of major break down.In this type of was used, the reliability that improves relay seemed particularly important.
Therefore, the problems referred to above just become the technical problem that needs to be resolved hurrily.
The utility model content
Technical problem to be solved in the utility model provides the electromagnetic type relay control device that a kind of charged enables, and to solve in the very high occasion of reliability requirement, relay commonly used does not also satisfy the problem of stability requirement at present.
For solving the problems of the technologies described above, the electromagnetic type relay control device that the utility model provides a kind of charged to enable is characterized in that, comprising: power enable module and relay control module; Wherein,
Described power enable module is connected with described relay control module, is used to described relay control module power supply;
Described relay control module is connected with described power enable module, and it includes relay, and is used for the output of this relay of control.
Further, wherein, described power enable module comprises: power enable control module and power enable output module; Wherein,
Described power enable control module is connected with described power enable output module, for the output of the power enable of controlling described power enable output module;
Described power enable output module is connected with the relay control module with described power enable control module, is used for receiving the index signal of described power enable control module, and then output level is described relay control module power supply.
Further, wherein, described power enable control module comprises: at least one IO power enable port, gate module and reset signal module; Wherein,
Described IO power enable port is connected with described gate module, is used for exporting the first order control signal of described power enable control module, is sent to described gate module;
Described gate module is connected with at least one described IO power enable port, reset signal module and described power enable output module respectively, is used for judging described first order control signal, and according to result of determination output enable power supply signal;
Described reset signal module is connected with described gate module, and being used for provides reset signal, prevents the malfunction when described relay powers on.
Further, wherein, described power enable output module comprises: level switch module and controllable relays power supply; Wherein,
Described level switch module is connected with the power enable control module with described controllable relays power supply, is used for receiving the power supply signal that enables that described power enable control module sends, and it is carried out level conversion;
Described controllable relays power supply is connected with the relay control module with described level switch module, is used for the level signal according to described level switch module, and what control relay control module was powered has or not.
Further, wherein, described relay control module comprises: relay output control module and relay output module; Wherein,
Described relay output control module is connected with the power enable module with described relay output module, is used for receiving the power supply of described power enable module, controls the level output of described relay output module;
Described relay output module is connected with described relay output control module, is used for the output according to the indication control relay of described relay output control module.
Further, wherein, described relay output control module comprises: IO relay enable port, reseting module and logic module; Wherein,
Described IO relay enable port is connected with the power enable module with described gate module, as the input of the logic of described gate module, controls the output of described gate module with reseting module, and then the closing minute of control relay;
Described reseting module is connected with described logic module, and being used for providing reset signal, prevents the malfunction when described relay powers on, and the input of judging as logic, to control the output of described relay output module.
Described logic module is connected with relay output module with described IO relay enable port, reseting module, is used for judging the signal of described IO relay enable port and reseting module output, and according to result of determination output control signal.
Further, wherein, described relay output module comprises: amplification module and relay; Wherein,
Described amplification module is connected with relay with described relay output control module, is used for the signal of described logic module output is amplified, thereby relay is closed a minute operation;
Described relay is connected with described amplification module, is used for receiving the control signal from described amplification module, closes accordingly a minute operation.
Compared with prior art, the electromagnetic type relay control device that enables of a kind of charged described in the utility model has reached following effect:
1) the utility model has improved the requirement of the reliability and stability of whole relay, effectively reduces the generation of relay misoperation;
2) the power enable circuit in the electromagnetic type relay control device that enables of charged described in the utility model is that multicircuit relay is multiplexing, has reached the effect of effective reduction cost.
Description of drawings
Fig. 1 is the structured flowchart of the electromagnetic type relay control device that enables of the described a kind of charged of the utility model specific embodiment;
Fig. 2 is the power enable modular structure block diagram described in the utility model specific embodiment;
Fig. 3 is the relay control module structured flowchart described in the utility model specific embodiment.
Embodiment
In the middle of specification and claim, used some vocabulary to censure specific components.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the criterion that is used as distinguishing with the difference of assembly on function.Be an open language mentioned " comprising " in the middle of specification and the claim in the whole text, so should be construed to " comprise but be not limited to ".Refer in acceptable error range that " roughly " those skilled in the art can solve the technical problem, and substantially reach described technique effect in the certain error scope.In addition, " couple " word and comprise any means that indirectly are electrically connected that directly reach at this.Therefore, be coupled to one second device if describe a first device in the literary composition, then represent described first device and can directly be electrically connected at described the second device, or indirectly be electrically connected to described the second device by other devices or connection means.The specification subsequent descriptions is for implementing preferred embodiments of the present utility model, and right described description is to illustrate that rule of the present utility model is purpose, is not to limit scope of the present utility model.Protection range of the present utility model is as the criterion when looking the claims person of defining.
Below in conjunction with accompanying drawing the utility model is described in further detail, but not as to restriction of the present utility model.
As shown in Figure 1, be the electromagnetic type relay control device structured flowchart that the described charged of the utility model specific embodiment enables, wherein, this device comprises: power enable module 10 and relay control module 20; Wherein,
Described power enable module 10 is connected with described relay control module 20, is used to described relay control module 20 power supplies.
Described relay control module 20 is connected with described power enable module 10, and it includes relay, and is used for the output of this relay of control.
As shown in Figure 2, be 10 structured flowcharts of power enable module described in the utility model specific embodiment, comprise: power enable control module 101 and power enable output module 102; Wherein,
Described power enable control module 101 is connected with described power enable output module 102, for the output of the power enable of controlling described power enable output module 102.
Described power enable output module 102 is connected with relay control module 20 with described power enable control module 101, is used for the index signal according to described power enable control module 101, and output level is described relay control module 20 power supplies.
Further, described power enable control module 101 comprises: at least one IO power enable port (being in the present embodiment IO power enable port one 011 and IO power enable port one 012), gate module 1013 and reset signal (RST, Reset the connection) module 1014; Wherein,
Described IO power enable port one 011 is connected with described gate module 1013, exports the first order control signal of described power enable control module 101, is sent to described gate module 1013.In specific embodiment, described first order control signal has high and low two states.
Described IO power enable port one 012 is connected with described gate module 1013, as described IO power enable port one 011, exports the first order control signal of described power enable control module 101, is sent to described gate module 1013.In specific embodiment, described first order control signal has high and low two states.
Described gate module 1013, respectively with described IO power enable port one 011, IO power enable port one 012, reset signal (RST, Reset the connection) module 1014 and described power enable output module 102 are connected, be used for judging described first order control signal, and according to result of determination output enable power supply signal.
Described reset signal (RST, Reset the connection) module 1014 is connected with described gate module 1013, and being used for provides reset signal, prevents the malfunction when described relay powers on.
Further, described power enable output module 102 comprises: level switch module 1021 and controllable relays power supply 1022; Wherein,
Described level switch module 1021 is connected with power enable control module 101 with described controllable relays power supply 1022, is used for receiving the power supply signal that enables that described power enable control module 101 sends, and it is carried out level conversion.
Described controllable relays power supply 1022 is connected with relay control module 20 with described level switch module 1021, is used for the level signal according to described level switch module 1021, and what control relay control module 20 was powered has or not.
As shown in Figure 3, be 20 structured flowcharts of relay control module described in the utility model specific embodiment, comprise: relay output control module 201 and relay output module 202; Wherein,
Described relay output control module 201 is connected with described power enable module 10 with described relay output module 202, jointly controls closing minute of described relay output module 202 with described power enable module 10.
Described relay output module 202 is connected with described source enable module 10 with described relay output control module 201, is used for the output according to the indication control relay of the power supply of described power enable module 10 and described relay output control module 201.
Further, described relay output control module 201 comprises: IO relay enable port 2011, reseting module 2012 and logic module 2013; Wherein,
Described IO relay enable port 2011, be connected with power enable module 10 with described gate module 2013, as the input of the logic of described gate module 2013, control the output of described gate module 2013 with reseting module 2012, and then the closing minute of control relay 2022.
Described reseting module 2012 is connected with described logic module 2013, and being used for providing reset signal, prevents the malfunction when described relay powers on, and the input of judging as logic, to control the output of described relay output module 202.
Described logic module 2013, be connected with relay output module 202 with described IO relay enable port 2011, reseting module 2012, be used for judging the signal of described IO relay enable port 2011 and reseting module 2012 outputs, and according to result of determination output control signal.
Further, described relay output module 202, comprise: what amplification module 2021 and relay 2022(adopted in the present embodiment is which kind of relay electromagnetic type relay certainly here to adopting be not specifically limited, to those skilled in the art, any relay all can be applicable to the utility model), wherein
Described amplification module 2021 is connected with relay 2022 with described relay output control module 201, is used for the signal of described logic module 2013 outputs is amplified, thereby relay is closed a minute operation.
Described relay 2022 is connected with described amplification module 2021, is used for receiving the control signal from described amplification module 2021, closes accordingly a minute operation.In specific embodiment, when detecting the subscriber's line short circuit, by relay being closed minute operation, and then the on/off switch operation of control subscriber's line, accomplish the automatically purpose of protection.
Specific embodiment
The electromagnetic type relay control device that charged described in the utility model enables comprises: power enable module 10 and relay control module 20.Described power enable module 10 is described relay control module 20 power supplies; Described relay control module 20 includes relay, be used for the output of this relay of control, what this relay adopted is electromagnetic type relay, certainly here to adopting which kind of relay to be not specifically limited, to those skilled in the art, any relay all can be applicable to the utility model.
Described power enable module 10 comprises: power enable control module 101 and power enable output module 102.Wherein, described power enable control module 101 comprises: IO power enable port one 011, IO power enable port one 012, gate module 1013 and reset signal (RST, Reset the connection) module 1014; Described power enable output module 102 comprises: level switch module 1021 and controllable relays power supply 1022.
Described power enable control module 101 output index signals also can be called control signal, and power enable control module 101 is by the high/low level of this signal of control, and then control whether out-put supply of 102 parts.
IO power enable port one 011 and IO power enable port one 012 are the first order control signals of power enable module, and first order control signal is by described gate module 1013, and the signal of its output is as the control signal of described power enable output module 102.Each IO mouth has high and low two states, and two IO mouths combine and can produce four kinds of states: " height, low ", " height, height ", " low, height ", " low, low ".Have a kind of logical combination (for example being designed to " height, low ") only and finally can make power supply output by gate module 1013.Such benefit is, it is high or low that interference signal generally can cause IO_ power enable 1, IO_ power enable 2 to become simultaneously, and logical design is the one high and one low possibility that can reduce relay misoperation.Gate in the gate module 1013 can be used for representing the logical relation that exists between input signal and the output signal.The input signal one of gate has three (described IO power enable port one 011, IO power enable port one 012, reset signal (RST herein, Reset the connection) module 1014), gate is judged input signal, the unique a kind of input that only meets the demands can make gate output enable power supply signal.Enabling output module 102 with direct control compares, process one-level gate is controlled and is enabled output module 102, can reduce the possibility of relay misoperation, and the introducing of reset signal (RST) is the malfunction that causes for each input module state in the anti-locking apparatus power up is unstable.
Can comprise triode in the described level switch module 1021, purpose is level conversion, and increases driving force.Described controllable relays power supply 1022 can comprise the CMOS pipe.Why need level conversion, because first order input (IO power enable port one 011 and IO power enable port one 012) comes from the output pin of processor, its level grade often is Transistor-Transistor Logic level (transistor-transistor logic level), and the rear class cmos circuit needs the CMOS level to drive, so need this one-level level conversion.The high level that is about to TTL is converted into the high level that the CMOS pipe can be identified, and the low level of TTL is converted into the low level that the CMOS pipe can be identified.The CMOS pipe makes the output of controllable relays power supply controlled, forms a controllable output power.Output with described level switch module 1021 modules is inputted as it, according to having or not that the difference control of input value is powered.
Similar with described power enable control module 101, IO relay enable port 2011 and reseting module 2012 also input to logic module 2013 as index signal, through the judgement of logic module, and output control signal control next stage circuit.Amplification module 2021 can comprise triode, and the signal of described logic module 2013 outputs is not enough to directly drive relay, needs the signal of 2021 pairs of described logic module 2013 outputs of described amplification module to amplify, and just can close a minute operation to relay.Afterwards, the control signal that described relay 2022 receives from described amplification module 2021 is closed a minute operation accordingly.Electromagnetic type relay is used very wide in automation field, for example in the relay protection products, and when detecting the subscriber's line short circuit, by relay being closed a minute operation, and then the on/off switch operation of control subscriber's line, accomplish the automatically purpose of protection.In this type products, the reliable operation of relay is particularly important.
Compared with prior art, the electromagnetic type relay control device that enables of a kind of charged described in the utility model has reached following effect:
1) the utility model has improved the requirement of the reliability and stability of whole relay, effectively reduces the generation of relay misoperation;
2) the power enable circuit in the electromagnetic type relay control device that enables of charged described in the utility model is that multicircuit relay is multiplexing, has reached the effect of effective reduction cost.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present utility model, but as previously mentioned, be to be understood that the utility model is not limited to the disclosed form of this paper, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can in utility model contemplated scope described herein, change by technology or the knowledge of above-mentioned instruction or association area.And the change that those skilled in the art carry out and variation do not break away from spirit and scope of the present utility model, then all should be in the protection range of the utility model claims.
Claims (7)
1. the electromagnetic type relay control device that charged enables is characterized in that, comprising: power enable module and relay control module; Wherein,
Described power enable module is connected with described relay control module, is used to described relay control module power supply;
Described relay control module is connected with described power enable module, and it includes relay, and is used for the output of this relay of control.
2. the electromagnetic type relay control device that enables of a kind of charged as claimed in claim 1 is characterized in that described power enable module comprises: power enable control module and power enable output module; Wherein,
Described power enable control module is connected with described power enable output module, for the output of the power enable of controlling described power enable output module;
Described power enable output module is connected with the relay control module with described power enable control module, is used for receiving the index signal of described power enable control module, and then output level is described relay control module power supply.
3. the electromagnetic type relay control device that enables of a kind of charged as claimed in claim 2 is characterized in that described power enable control module comprises: at least one IO power enable port, gate module and reset signal module; Wherein,
Described IO power enable port is connected with described gate module, is used for exporting the first order control signal of described power enable control module, is sent to described gate module;
Described gate module is connected with at least one described IO power enable port, reset signal module and described power enable output module respectively, is used for judging described first order control signal, and according to result of determination output enable power supply signal;
Described reset signal module is connected with described gate module, and being used for provides reset signal, prevents the malfunction when described relay powers on.
4. the electromagnetic type relay control device that enables of a kind of charged as claimed in claim 2 is characterized in that described power enable output module comprises: level switch module and controllable relays power supply; Wherein,
Described level switch module is connected with the power enable control module with described controllable relays power supply, is used for receiving the power supply signal that enables that described power enable control module sends, and it is carried out level conversion;
Described controllable relays power supply is connected with the relay control module with described level switch module, is used for the level signal according to described level switch module, and what control relay control module was powered has or not.
5. the electromagnetic type relay control device that enables of a kind of charged as claimed in claim 1 is characterized in that described relay control module comprises: relay output control module and relay output module; Wherein,
Described relay output control module is connected with the power enable module with described relay output module, is used for receiving the power supply of described power enable module, controls the level output of described relay output module;
Described relay output module is connected with described relay output control module, is used for the output according to the indication control relay of described relay output control module.
6. the electromagnetic type relay control device that enables of a kind of charged as claimed in claim 5 is characterized in that described relay output control module comprises: IO relay enable port, reseting module and logic module; Wherein,
Described IO relay enable port is connected with the power enable module with described gate module, as the input of the logic of described gate module, controls the output of described gate module with reseting module, and then the closing minute of control relay;
Described reseting module is connected with described logic module, and being used for providing reset signal, prevents the malfunction when described relay powers on, and the input of judging as logic, to control the output of described relay output module.
Described logic module is connected with relay output module with described IO relay enable port, reseting module, is used for judging the signal of described IO relay enable port and reseting module output, and according to result of determination output control signal.
7. the electromagnetic type relay control device that enables of a kind of charged as claimed in claim 5 is characterized in that described relay output module comprises: amplification module and relay; Wherein,
Described amplification module is connected with relay with described relay output control module, is used for the signal of described logic module output is amplified, thereby relay is closed a minute operation;
Described relay is connected with described amplification module, is used for receiving the control signal from described amplification module, closes accordingly a minute operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220577045 CN202917395U (en) | 2012-11-05 | 2012-11-05 | Electromagnetic relay control device with power supply enable module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220577045 CN202917395U (en) | 2012-11-05 | 2012-11-05 | Electromagnetic relay control device with power supply enable module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000450A (en) * | 2012-11-05 | 2013-03-27 | 北京易艾斯德科技有限公司 | Power-enable electromagnetic relay control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000450A (en) * | 2012-11-05 | 2013-03-27 | 北京易艾斯德科技有限公司 | Power-enable electromagnetic relay control device |
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Granted publication date: 20130501 Effective date of abandoning: 20150401 |
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