CN205959882U - Relay control circuit and relay - Google Patents
Relay control circuit and relay Download PDFInfo
- Publication number
- CN205959882U CN205959882U CN201620854538.3U CN201620854538U CN205959882U CN 205959882 U CN205959882 U CN 205959882U CN 201620854538 U CN201620854538 U CN 201620854538U CN 205959882 U CN205959882 U CN 205959882U
- Authority
- CN
- China
- Prior art keywords
- module
- relay
- control
- alternating current
- circuit
- 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 - Fee Related
Links
Landscapes
- Relay Circuits (AREA)
Abstract
The utility model is suitable for a relay field provides a relay control circuit and relay, including control module and the voltage testing who is connected with control module, current detection module, interchange zero -cross detection module, relay module and power module, voltage testing, current detection module, interchange zero -cross detection module and relay module all insert the alternating current circuit, and relay module still inserts control module 2 and is connected with power module. The utility model discloses a voltage and the electric current of sampling alternating current circuit, and be the zero hour at the electric current that detects the alternating current circuit, connection between the switch -on of control relay module or disconnection alternating current circuit and the load circuit, the contact that makes relay module is just closed or disconnection of zero hour at the electric current of alternating current circuit, avoid when the electric current of alternating current is too big closed or disconnection relay module the contact caused emits the spark or draw the arc phenomenon, extension relay module's life -span, and then the life -span of the load be connected of extension and relay module.
Description
Technical field
This utility model belongs to relay field, more particularly, to a kind of control relay circuit and relay.
Background technology
Relay, have automatically adjust, safeguard protection, the effect such as change-over circuit, have in electrical equipment and extensively should
With.
The life-span of relay mainly determines, one is the mechanical life of relay contact, and two is relay by two factors
Electrical endurance.Mechanical life can reach 50,000,000 times, and electrical endurance then only has 100,000 times about, and serious have impact on uses and continue
The life-span of the electrical equipment of electrical equipment.
Utility model content
The purpose of this utility model is to provide a kind of control relay circuit and relay it is intended to solve the electricity of relay
The gas life-span then only 100,000 times about, the serious problem that have impact on using the relay electrical equipment life-span.
This utility model is achieved in that a kind of control relay circuit, and described control relay circuit includes controlling
Module and the voltage detection module being connected with described control module, current detection module, alternating current zero crossing detection module, relay
Module and power module, described voltage detection module, described current detection module, described alternating current zero crossing detection module and described continue
Electrical appliance module equal incoming transport electric line, described relay module is also accessed load circuit and is connected with described power module；
Described control module is by described voltage detection module and the described current detection module described alternating current transmission line of sampling
Voltage and current, and when the electric current described alternating current transmission line is detected in described alternating current zero crossing detection module is zero, control institute
State the connection that relay module is switched on or switched off between described alternating current transmission line and described load circuit.
Preferably, described relay module includes switch control unit, at least No. one relay switch, input channel and defeated
Go out passage；
Described switch control unit is connected with described power module and described control module respectively, described at least one tunnel relay
The moved end of device switch is connected with described switch control unit and described input channel respectively, described at least No. one relay switch
Moved end is not connected with described output channel, and described input channel accesses described alternating current transmission line, and described output channel is negative with described
Carry circuit to connect.
Preferably, described voltage detection module includes voltage transformer and the first rectification amplifying unit, described mutual induction of voltage
Device accesses described alternating current transmission line, and described first rectification amplifying unit is connected with described voltage transformer and described control module respectively
Connect.
Preferably, described current detection module includes current transformer and the second rectification amplifying unit, described Current Mutual Inductance
Device accesses described alternating current transmission line, and described second rectification amplifying unit is connected with described current transformer and described control module respectively
Connect.
Preferably, described control relay circuit also includes being connected with described control module, in described relay module
When working condition is abnormal, send the voice module of prompting.
Preferably, described control relay circuit also includes being connected with described control module, to detect described relay mould
The temperature detecting module of the operating temperature of block.
Preferably, described temperature detecting module is thermistor type temperature sensor.
Preferably, described control relay circuit also includes being connected with described alternating current transmission line and described power module respectively
AC-DC conversion module.
Preferably, described control relay circuit also includes being connected with described control module, to upload described relay mould
The operational data of block to PCT wireless communication module.
This utility model embodiment also provides a kind of relay, including above-mentioned control relay circuit.
Compared with prior art, its advantage is this utility model：
By the voltage and current of Sample AC electric line, and when electric current alternating current transmission line is detected is zero, control
Relay module is switched on or switched off the connection between alternating current transmission line and load circuit, and the contact making relay module is in alternating current
The electric current of circuit is just to close when zero or disconnect, and is prevented effectively from when the electric current of alternating current is excessive and closes or disconnect relay module
Contact caused by sparkle or phenomenon of arc discharge, extend relay module life-span, and then extend be connected with relay module
Load life-span.
Brief description
Fig. 1 is the structured flowchart of the control relay circuit that this utility model embodiment provides；
Fig. 2 is the structured flowchart of the control relay circuit that another embodiment of this utility model provides；
Fig. 3 is the concrete structure block diagram of the control relay circuit that this utility model embodiment provides.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain this
Utility model, is not used to limit this utility model.
As shown in figure 1, the control relay circuit 100 that the present embodiment provides, including：Control module 10 and with control mould
Voltage detection module 20, current detection module 30, alternating current zero crossing detection module 40, relay module 50 and power supply that block 10 connects
Module 60.
Voltage detection module 20, current detection module 30, alternating current zero crossing detection module 40 and relay module 50 all access
Alternating current transmission line 200, relay module 50 is also accessed load circuit 300 and is connected with power module 60；
Control module 10 pass through voltage detection module 20 and current detection module 30 Sample AC electric line 200 voltage and
Electric current, and when electric current alternating current transmission line 200 is detected in alternating current zero crossing detection module 40 is zero, control relay module 50 connects
On-off opens the connection between alternating current transmission line 200 and load circuit 300.
In a particular application, control module 10 can be controller or the single-chip microcomputer with circuit control function.
Voltage detection module 20 can use for the alternating voltage on alternating current transmission line 200 is converted to control module 10
With the voltage swing of sampling, usually 5V.
Current detection module 30 is used for for the electric current of alternating current transmission line 200 being converted to control module 10 and can use and sample
Size of current.
Control module 10 is carried out to the voltage of alternating current transmission line 200 by voltage detection module 20 and current detection module 30
Sampling, with when control relay circuit 100 is not connected with loading 300, the voltage and current of detection alternating current transmission line 200 big
Little, whether stablized with the alternating current monitoring alternating current transmission line output；When control relay circuit 100 connects load 300, pass through
By the voltage and current of load circuit 300 just whether the size of the voltage and current of detection alternating current transmission line 200, detect
Often, and the power consumption of computational load circuit and real work power.
Alternating current zero crossing detection module 40 is used for detecting the moment that alternating current transmission line 200 electric current is zero, in alternating current zero crossing detection
When the electric current that module 40 detects the alternating current of alternating current transmission line 200 output is zero, control module 10 control relay mould immediately
Block 50 is switched on or switched off the connection between alternating current transmission line 200 and load circuit 300, makes load circuit 300 obtain alternating current wires
The electric energy on road or power-off.
In a particular application, relay module 50 can be using voltage or electric current as the voltage relay of feedback quantity or electricity
Current relay.
It is control module 10 that power module 60 is used for and relay module 50 is powered.
The present embodiment passes through the voltage and current of Sample AC electric line, and is zero in electric current alternating current transmission line is detected
When, control relay module is switched on or switched off the connection between alternating current transmission line and load circuit, makes the contact of relay module
Just close when the electric current of alternating current transmission line is zero or disconnect, be prevented effectively from when the electric current of alternating current is excessive to close or disconnect and continue
Sparkling caused by the contact of electrical appliance module or phenomenon of arc discharge, extend the life-span of relay module, and then extend and relay
The life-span of the load that module connects.
As shown in Fig. 2 in the present embodiment, control relay circuit 100 also includes voice module 70, temperature detecting module
80th, AC-DC conversion module 90 and wireless communication module 00.
Voice module 70 is connected with control module 10, for when the working condition of relay module 50 is abnormal, sending and carrying
Show.
In a particular application, voice module 70 can by sounding the alarm, the form such as indicative sentence, music to be carrying out
Prompting.
Temperature detecting module 80 is connected with control module 10, for detecting the operating temperature of relay module 60, controls mould
Block 10 can be in the working temperature abnormity of relay module 50, and control voice module 70 sends prompting.
In a particular application, temperature detecting module 80 is thermistor type temperature sensor or other kinds of temperature passes
Sensor.
AC-DC conversion module 90 is connected with alternating current transmission line 200 and power module 60 respectively, for by alternating current transmission line
The alternating current of 200 offers exports to power module 60 after being converted into unidirectional current.
In a particular application, AC-DC conversion module 90 can be AC/DC changeover switch, and power module 60 can be for filling
Battery.
Wireless communication module 00 is connected with control module 10, for uploading the operational data of relay module 50 to outside control
Terminal processed.
In a particular application, wireless communication module 00 can be the Bluetooth chip based on bluetooth or WiFi network or WIFI core
Piece, control terminal can be mobile phone, the control device of panel computer, PC or control centre of user.
In one embodiment, control relay circuit 100 also includes the data-interface being connected with control module 10, this data
Interface can be used for the internal processes of control module 10 being debugged and being changed it is also possible to deriving or importing data.
As shown in figure 3, in the present embodiment, relay module 50 includes switch control unit 51, at least No. one relay
Switch (being expressed as K1, K2 ... Kn in Fig. 3), input channel 52 and output channel 53.
Switch control unit 51 is connected with power module 60 and control module 10 respectively；
The moved end of at least No. one relay switch K1～Kn is connected with switch control unit 51 and input channel 52, extremely respectively
The not moved end of a few road relay switch K1～Kn is connected with output channel 53, and input channel 52 incoming transport electric line 200 is defeated
Go out passage 53 to be connected with load circuit 300.
In a particular application, when the electric current that alternating current zero crossing detection module 40 detects alternating current transmission line 200 is zero, control
Module 10 controls at least one of at least one relay switch K1～Kn closure by switch control unit 51 or disconnects, with
It is switched on or switched off the connection between alternating current transmission line 200 and load circuit 300.
In the present embodiment, the quantity of relay switch can also be able to be multiple for one, in a preferred embodiment, can
So that relay switch to be set to more than one, i.e. n >=2, can a relay switch fault or damage be not turned on wherein
Or when disconnecting the connection between alternating current transmission line 200 and load circuit 300, can also be connected by other relay switches
Or the connection between disconnection alternating current transmission line 200 and load circuit 300, to ensure relay module 50 normal work, Jin Erbao
The load that card is connected with load circuit 300 normally works on power or normal power down does not work.
Voltage detection module 20 includes voltage transformer 21 and the first rectification amplifying unit 22, and voltage transformer 21 accesses to be handed over
Stream electric line 200, the first rectification amplifying unit 22 is connected with voltage transformer 21 and control module 10 respectively.
Current detection module 30 includes current transformer 31 and the second rectification amplifying unit 32, and current transformer 31 accesses to be handed over
Stream electric line 200, the second rectification amplifying unit 32 is connected with current transformer 31 and control module 10 respectively.
First rectification amplifying unit 22 and the second rectification amplifying unit 32 are used to the alternating current of alternating current transmission line 200 is entered
Row rectification, to convert alternating current to unidirectional current, so that the electric current after conversion and voltage can be used by control module 10.
This utility model embodiment also provides a kind of relay, including above-mentioned control relay circuit.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of control relay circuit it is characterised in that described control relay circuit include control module and with described
Voltage detection module, current detection module, alternating current zero crossing detection module, relay module and power supply mould that control module connects
Block, described voltage detection module, described current detection module, described alternating current zero crossing detection module and described relay module all connect
Enter alternating current transmission line, described relay module is also accessed load circuit and is connected with described power module；
Described control module is by the electricity of described voltage detection module and the described current detection module described alternating current transmission line of sampling
Pressure and electric current, and when the electric current described alternating current transmission line is detected in described alternating current zero crossing detection module is zero, continue described in control
Electrical appliance module is switched on or switched off the connection between described alternating current transmission line and described load circuit.
2. control relay circuit as claimed in claim 1 is it is characterised in that described relay module includes on-off control list
Unit, at least No. one relay switch, input channel and output channel；
Described switch control unit is connected with described power module and described control module respectively, and described at least No. one relay is opened
Close moved end be connected with described switch control unit and described input channel respectively, described at least No. one relay switch motionless
End is connected with described output channel, and described input channel accesses described alternating current transmission line, described output channel and described load electricity
Road connects.
3. control relay circuit as claimed in claim 1 is it is characterised in that described voltage detection module includes mutual induction of voltage
Device and the first rectification amplifying unit, described voltage transformer accesses described alternating current transmission line, and described first rectification amplifying unit divides
It is not connected with described voltage transformer and described control module.
4. control relay circuit as claimed in claim 1 is it is characterised in that described current detection module includes Current Mutual Inductance
Device and the second rectification amplifying unit, described current transformer accesses described alternating current transmission line, and described second rectification amplifying unit divides
It is not connected with described current transformer and described control module.
5. control relay circuit as claimed in claim 1 is it is characterised in that described control relay circuit also includes and institute
State control module to connect, when the working condition of described relay module is abnormal, send the voice module of prompting.
6. control relay circuit as claimed in claim 1 is it is characterised in that described control relay circuit also includes and institute
State control module to connect, to detect the temperature detecting module of the operating temperature of described relay module.
7. control relay circuit as claimed in claim 6 is it is characterised in that described temperature detecting module is thermosensitive resistance type
Temperature sensor.
8. control relay circuit as claimed in claim 1 is it is characterised in that described control relay circuit is also included respectively
The AC-DC conversion module being connected with described alternating current transmission line and described power module.
9. control relay circuit as claimed in claim 1 is it is characterised in that described control relay circuit also includes and institute
State control module to connect, to upload the operational data of described relay module to the wireless communication module of PCT.
10. a kind of relay, including the control relay circuit as described in any one of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620854538.3U CN205959882U (en) | 2016-08-08 | 2016-08-08 | Relay control circuit and relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620854538.3U CN205959882U (en) | 2016-08-08 | 2016-08-08 | Relay control circuit and relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959882U true CN205959882U (en) | 2017-02-15 |
Family
ID=57973728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620854538.3U Expired - Fee Related CN205959882U (en) | 2016-08-08 | 2016-08-08 | Relay control circuit and relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298365A (en) * | 2016-08-08 | 2017-01-04 | 深圳唯创知音电子有限公司 | A kind of control relay circuit and relay |
-
2016
- 2016-08-08 CN CN201620854538.3U patent/CN205959882U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298365A (en) * | 2016-08-08 | 2017-01-04 | 深圳唯创知音电子有限公司 | A kind of control relay circuit and relay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106298365A (en) | A kind of control relay circuit and relay | |
| CN203466383U (en) | Intelligent static safe energy-saving multifunctional socket with zero power consumption | |
| CN107231015A (en) | A kind of battery, terminal and charging system | |
| CN104752914B (en) | A kind of remote controlled socket device | |
| CN104425997A (en) | Intelligent static safe energy-saving multifunctional socket with zero power consumption | |
| CN203632308U (en) | Charger | |
| CN108573288A (en) | A kind of resistive load identification and learning method based on electric energy meter | |
| CN203455710U (en) | Intelligent power switch system capable of monitoring in real time | |
| CN205959882U (en) | Relay control circuit and relay | |
| CN204361777U (en) | A kind of uninterrupted power supply device for network base station | |
| CN203561875U (en) | Remote control's electric water heater fault diagnosis system | |
| CN207134815U (en) | A kind of mobile voltage-stabilized power supply | |
| CN206349601U (en) | A kind of multi-function jack of multiplex roles | |
| CN206162159U (en) | Intelligent air switch system | |
| CN207925833U (en) | A kind of self closing energy-saving socket with overload protection | |
| CN206388037U (en) | Internet of Things gas meter, flow meter system | |
| CN205484517U (en) | Grid voltage current monitoring system | |
| CN107887880A (en) | A kind of Intelligent single-phase electricity consumption identification protecting controller and its control method | |
| CN202998121U (en) | Broadband device energy-saving device | |
| CN203377627U (en) | Communication large capacity lithium iron phosphate battery intelligent management device | |
| CN206725631U (en) | Multifunction power measurement apparatus | |
| CN101820171A (en) | Power supply method and power supply conversion device | |
| CN205786881U (en) | A kind of electric instrument | |
| CN205302059U (en) | Intelligence building integrated control management system | |
| CN203983646U (en) | The controller of installing in the control system of energy-conserving intelligent socket and this system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20200808 |