CN203415497U - Adjustable static time relay - Google Patents
Adjustable static time relay Download PDFInfo
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- CN203415497U CN203415497U CN201320477680.7U CN201320477680U CN203415497U CN 203415497 U CN203415497 U CN 203415497U CN 201320477680 U CN201320477680 U CN 201320477680U CN 203415497 U CN203415497 U CN 203415497U
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Abstract
The utility model discloses an adjustable static time relay which is mainly composed of an input rectification circuit (1), a starting voltage detection and determination circuit (2), a time delay circuit (3), a release voltage detection and determination circuit (4) and a relay serial connection circuit (5). AC and DC input voltages in wide ranges are realized, the number of output contacts can be greatly increased, and forms of normally open/closed contacts can be expanded. The operation voltage, the release voltage and the operation time of the adjustable static time relay can be randomly set in a wider range; when setting is completed, the values of the operation voltage, the release voltage and the operation time are accurate and stable; and the adjustable static time relay can be widely applied to various control systems in which power supply fluctuates widely.
Description
Technical field
The utility model relates to a kind of relay, relates in particular to the wider adjustable quiet hour relay of a kind of input voltage range, and its starting resistor, release voltage, pickup time can be set arbitrarily in wider scope.
Background technology
Relay is a kind of control device, when the variation of input variable (energizing quantity), to reach the requirement of regulation, in electric output circuit, make controlled volume that a kind of electrical equipment that predetermined step changes occurs, it has control system (claim not only input circuit) and by a kind of interactive relationship between control system (but also claiming output loop).Conventionally be applied in automatic control circuit, it is actually a kind of " automatic switch " that adopts the large electric current running of Small current control, plays automatic adjusting, safeguard protection, the effects such as change-over circuit in circuit.
In the process of using, there is following drawback in traditional relay:
1, the operation principle of traditional relay is that hot-wire coil produces behind magnetic field, and adhesive contact causes its action.Because coil is an inductive load that impedance is larger, therefore the operating current of relay is much larger than maintaining electric current, this character determined the starting resistor of relay and release voltage diversity ratio larger, in the more intense occasion of some Electric and magnetic fields, even if the power supply of relay turn-offs completely, but due to the interference of its electromagnetic field, relay has moved when should not moving, when should turn-off, but cannot turn-off, cause the disorder of being controlled working state of system.
2, there is also inconsistent phenomenon of the inconsistent and release voltage value of operation voltage value with batch products in traditional relay, and because the technique for coiling of coil there are differences and difference, this species diversity is difficult to be resolved in traditional relay.
3, the coil of traditional relay divides AC coil and DC coil, and both are unit independently, and in alternating current and the common process that exists and mutually switch of direct current, the scope of application of traditional relay just exists significant limitation.
4, traditional relay is the control device that a kind of transient state is opened or turn-offed, at some, need the occasion of sequencing control, the relay of this transient state action just can not use, although having traditional time relay can control conduction time, but in control system, will cause the increase of number of elements and the increase of cost, meanwhile, also there is the narrow defect of its working power scope in traditional time relay.
Summary of the invention
For above-mentioned the deficiencies in the prior art, the utility model proposes a kind of number of contacts can expand in a large number, the relay of the wide region input that can set starting resistor, release voltage, operate time, and its input signal can be both alternating current, can be also direct current.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Adjustable quiet hour relay described in the utility model comprises input rectification circuit, starting resistor detection and decision circuitry, time delay circuit, release voltage detection and decision circuitry, relay series circuit.It is characterized in that: input rectification circuit forms series circuit with starting resistor detection and decision circuitry, release voltage detection and decision circuitry, relay series circuit respectively, starting resistor detection and decision circuitry and time delay circuit form after series circuit, then detect and decision circuitry co-controlling relay in parallel series circuit with release voltage.
Above-mentioned relay series circuit is comprised of one or more relays, and the number of contacts of output is one or more groups, and contact types can be the normal open form formula of many groups, also can be the normally closed form of many groups, also can be normally-open normally-close mixed form, can be according to demand, the quantity of arbitrary extension contact.
In above-mentioned starting resistor detection and decision circuitry, by resistance, the light-emitting diode that is used to indicate operating state, voltage stabilizing didoe, by regulating its resistance to change the potentiometer of Gather and input magnitude of voltage, the sample circuit that electric capacity forms starting resistor, after the reference voltage while input comparator of sampled signal and reference voltage source output, output at comparator produces high flat or low flat signal, pass through by resistance, the latching circuit that diode forms continues to keep output signal again.
In above-mentioned time delay circuit, by the resistance of regulator potentiometer, carry out the charging interval of control capacittance, the circuit being comprised of resistance, electric capacity, light-emitting diode, voltage stabilizing didoe carries out dividing potential drop and action indication, when the voltage of getting on the resistance being connected with photoelectrical coupler is enough to make photoelectrical coupler conducting, the actuating of relay on relay series circuit.
In above-mentioned release voltage detection and decision circuitry, by resistance, by regulating its resistance to change the potentiometer of sampling input voltage value, electric capacity forms the sample circuit of release voltage, after the reference voltage while input comparator of sampled signal and reference voltage source output, produce high flat or low flat signal, when the output of comparator is high level, triode conducting, the high level of the comparator output terminal in starting resistor detection and decision circuitry is pulled to low level, photoelectrical coupler is not because powering and turn-off, relay series circuit loop disconnects, relay contact discharges.
Compared with prior art, the beneficial effects of the utility model are:
(1) supply power mode of adjustable quiet hour relay can be both to exchange 85-264V, can be also direct current 100-370V, had expanded its supply district.By power supply indicator and action indicator, clearly indicated the operating state of relay;
(2) by the employing mode that input voltage and inner accurate benchmark voltage source compare of sampling, startup and the release of accurate control relay have been realized;
(3) time delay circuit utilizes the collocation of RC circuit, by the variable delay of operate time after regulating variable-resistance resistance to realize relay to power on, thereby reaches the effect of sequencing control.
(4), by select one or more relays of similar and different contact form in relay series circuit, can realize the relay output that multiple transition form and number of contacts expand.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Accompanying drawing 1 is circuit frame figure of the present utility model.
Accompanying drawing 2 is circuit theory diagrams of the present utility model.
Embodiment
As shown in Figure 1, adjustable static relay described in the utility model is by input rectification circuit 1, and starting resistor detects and decision circuitry 2, time delay circuit 3, and release voltage detects and decision circuitry 4, and relay series circuit 5 forms.Input rectification circuit 1 detects with starting resistor respectively and decision circuitry 2, release voltage detects and decision circuitry 4, relay series circuit 5 form series circuits, starting resistor detects and decision circuitry 2 forms after series circuit with time delay circuit 3, then detects and decision circuitry 4 co-controlling relay in parallel series circuit 5 with release voltage.
As shown in Figure 2, input rectification circuit 1 is comprised of fuse F, rectifier bridge BD1, diode D1, capacitor C 1.Input voltage is when input rectification circuit 1, and first by fuse F, this device has played the effect of protection subsequent conditioning circuit.Input voltage is by rectifier bridge BD1, diode D1 and capacitor C 1 subsequently, if input voltage is direct current, rectifier bridge BD1 only plays a path, can not change its input voltage.When if input voltage is alternating current, 1 pair of alternating voltage of rectifier bridge BD1 and capacitor C carries out rectifying and wave-filtering, output direct current signal.Input voltage can be to exchange 85-264V, can be also direct current 100-370V.
Resistance R 4, resistance R 5, the LED 1 that is used to indicate "on" position, voltage stabilizing didoe ZD1, potentiometer RKP1, resistance R K2, capacitor C K1 form the sample circuit of starting resistor detection and decision circuitry 2 jointly, wherein potentiometer RKP1 is an adjustable potentiometer of resistance, by the resistance of regulator potentiometer RKP1, sample circuit just can collect the different voltage value signals of input input.Reference voltage source ICK3 is the reference voltage source of an accurate, and its voltage reference value is 2.5V, the direct current signal that sustainable output voltage is 2.5V.By the in-phase input end of the signal input comparator ICK2A of sample circuit output, by the inverting input of reference voltage 2.5V access comparator ICK2A, when the input voltage gathering is greater than 2.5V, the output of comparator ICK2A becomes high level from low level, again by resistance R K6, the latching circuit that diode DK1 forms, the output of comparator ICK2A maintains high level output always.Starting resistor value can exchange 120-264V, within the scope of direct current 150-370V, sets arbitrarily.
Potentiometer RKP3, capacitor C K3 form RC time delay circuit jointly, in the charging interval that the resistance by regulator potentiometer RKP3 just can control capacittance CK3, reach the effect of time delay.By resistance R K3, resistance R K4, capacitor C K4, LED 2, voltage stabilizing didoe ZD2, form dividing potential drop and action indicating circuit again, when the voltage of getting on the series circuit of resistance R K3 and resistance R K4 is enough to make photoelectrical coupler ICK1 conducting, relay J 1, J2 move.Can set arbitrarily start-up time within the scope of 20mS-3S.When the resistance of potentiometer RKP3 is adjusted to 0 Europe, relay is a transient state action type relay.
Resistance R 6, resistance R 7, potentiometer RKP2, resistance R K1, capacitor C K2 form the sample circuit of release voltage detection and decision circuitry 4, wherein potentiometer RKP2 is an adjustable potentiometer of resistance, by the resistance of regulator potentiometer RKP2, sample circuit just can collect the different voltage value signals of input input.By the inverting input of the signal input comparator ICK2B of sample circuit output, by the in-phase input end of reference voltage 2.5V access comparator ICK2B, when the input voltage gathering is less than 2.5V, the output of ICK2B becomes high level from low level, triode ICK4 conducting, is pulled to low level by the high level of ICK2A output, and photoelectrical coupler ICK1 is not because powering and turn-off, relay series circuit 5 loops disconnect, and relay J 1, J2 contact discharge.Release voltage value can exchange 85-264V, within the scope of direct current 100-370V, sets arbitrarily.
The break-make of the break-make control relay of this circuit by photoelectrical coupler ICK1, has avoided effectively because relay coil there are differences, and causes the inconsistent drawbacks of parameter such as the starting resistor of same batch products and release voltage.Relay series circuit 5 repeat circuit quantity can be one or more, relay contact type can be often open, normally closed or often open and normally closed mixed form, this device can make the number of contacts of whole adjustable quiet hour relay, contact types expand in a large number.
Claims (9)
1. an adjustable quiet hour relay, comprise input rectification circuit (1), starting resistor detects and decision circuitry (2), time delay circuit (3), release voltage detects and decision circuitry (4), relay series circuit (5), it is characterized in that: input rectification circuit (1) detects and decision circuitry (2) with starting resistor respectively, release voltage detects and decision circuitry (4), relay series circuit (5) forms series circuit, starting resistor detects and decision circuitry (2) forms after series circuit with time delay circuit (3), detect and decision circuitry (4) co-controlling relay in parallel series circuit (5) with release voltage again.
2. adjustable quiet hour relay according to claim 1, is characterized in that: input voltage can be to exchange 85-264V, can be also direct current 100-370V.
3. adjustable quiet hour relay according to claim 1, it is characterized in that: relay series circuit (5) is comprised of one or more relays, the number of contacts of output is one or more groups, contact types can be the normal open form formula of many groups, also can be the normally closed form of many groups, can be also normally-open normally-close mixed form.
4. adjustable quiet hour relay according to claim 1, it is characterized in that: starting resistor detects and the middle resistance (R4) of decision circuitry (2), resistance (R5), be used to indicate the light-emitting diode (LED1) of operating state, voltage stabilizing didoe (ZD1), by regulating its resistance to change the potentiometer (RKP1) of Gather and input magnitude of voltage, resistance (RK2), electric capacity (CK1) forms the sample circuit of starting resistor, after the reference voltage while input comparator (ICK2A) of sampled signal and reference voltage source (ICK3) output, output at comparator (ICK2A) produces high flat or low flat signal, pass through by resistance (RK6) again, the latching circuit that diode (DK1) forms continues to keep output signal.
5. according to the adjustable quiet hour relay described in claim 1 or 4, it is characterized in that: starting resistor value can exchange 120-264V, within the scope of direct current 150-370V, sets arbitrarily.
6. adjustable quiet hour relay according to claim 1, it is characterized in that: in time delay circuit (3), the charging interval of carrying out control capacittance (CK3) by the resistance of regulator potentiometer (RKP3), by resistance (RK3), resistance (RK4), electric capacity (CK4), light-emitting diode (LED2), the circuit that voltage stabilizing didoe (ZD2) forms carries out dividing potential drop and action indication, as resistance (RK3), when the voltage of getting on resistance (RK4) is enough to make photoelectrical coupler (ICK1) conducting, relay (J1), relay (J2) action.
7. according to the adjustable quiet hour relay described in claim 1 or 6, it is characterized in that: relay (J1) and start-up time (J2) can be set arbitrarily within the scope of 20mS-3S.
8. adjustable quiet hour relay according to claim 1, it is characterized in that: in release voltage detection and decision circuitry (4), by resistance (R6), resistance (R7), by regulating its resistance to change the potentiometer (RKP2) of sampling input voltage value, resistance (RK1), electric capacity (CK2) forms the sample circuit of release voltage, after the reference voltage while input comparator (ICK2B) of sampled signal and reference voltage source (ICK3) output, produce high flat or low flat signal, when the output of comparator (ICK2B) is high level, triode (ICK4) conducting, the high level of comparator (ICK2A) output is pulled to low level, photoelectrical coupler (ICK1) is not because powering and turn-off, relay series circuit (5) loop disconnects, relay (J1), relay (J2) contact discharges.
9. according to the adjustable quiet hour relay described in claim 1 or 8, it is characterized in that: release voltage value can exchange 85-264V, within the scope of direct current 100-370V, sets arbitrarily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320477680.7U CN203415497U (en) | 2013-08-06 | 2013-08-06 | Adjustable static time relay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320477680.7U CN203415497U (en) | 2013-08-06 | 2013-08-06 | Adjustable static time relay |
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| CN203415497U true CN203415497U (en) | 2014-01-29 |
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| CN201320477680.7U Expired - Lifetime CN203415497U (en) | 2013-08-06 | 2013-08-06 | Adjustable static time relay |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824729A (en) * | 2014-03-06 | 2014-05-28 | 成都瑞联电气股份有限公司 | Static adjustable delayed intermediate relay circuit |
| CN104615060A (en) * | 2015-02-12 | 2015-05-13 | 华自科技股份有限公司 | Switching quantity acquisition circuit and method both used for direct sampling and direct tripping |
| CN105676828A (en) * | 2016-03-25 | 2016-06-15 | 爱普科斯科技（无锡）有限公司 | SMT production rhythm control system and self-locking time-delay loop thereof |
| CN106707158A (en) * | 2017-02-22 | 2017-05-24 | 江苏信息职业技术学院 | Time relay calibration device and calibration method thereof |
| CN109324287A (en) * | 2018-11-22 | 2019-02-12 | 深圳市中晶微电子技术开发有限公司 | A kind of electromagnetic relay contact closure detection circuit |
| CN111477499A (en) * | 2020-03-31 | 2020-07-31 | 南京优倍电气有限公司 | Driving circuit device capable of setting release delay time of safety relay |
-
2013
- 2013-08-06 CN CN201320477680.7U patent/CN203415497U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824729A (en) * | 2014-03-06 | 2014-05-28 | 成都瑞联电气股份有限公司 | Static adjustable delayed intermediate relay circuit |
| CN103824729B (en) * | 2014-03-06 | 2015-11-18 | 成都瑞联电气股份有限公司 | A kind of static adjustable delay auxiliary relay circuit |
| CN104615060A (en) * | 2015-02-12 | 2015-05-13 | 华自科技股份有限公司 | Switching quantity acquisition circuit and method both used for direct sampling and direct tripping |
| CN104615060B (en) * | 2015-02-12 | 2017-04-05 | 华自科技股份有限公司 | A kind of switch quantity acquisition circuit and its acquisition method for directly adopting straight jump |
| CN105676828A (en) * | 2016-03-25 | 2016-06-15 | 爱普科斯科技（无锡）有限公司 | SMT production rhythm control system and self-locking time-delay loop thereof |
| CN106707158A (en) * | 2017-02-22 | 2017-05-24 | 江苏信息职业技术学院 | Time relay calibration device and calibration method thereof |
| CN109324287A (en) * | 2018-11-22 | 2019-02-12 | 深圳市中晶微电子技术开发有限公司 | A kind of electromagnetic relay contact closure detection circuit |
| CN111477499A (en) * | 2020-03-31 | 2020-07-31 | 南京优倍电气有限公司 | Driving circuit device capable of setting release delay time of safety relay |
| CN111477499B (en) * | 2020-03-31 | 2022-03-04 | 南京优倍电气技术有限公司 | Driving circuit device capable of setting release delay time of safety relay |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610030 No. 8, zone 1, Huayin industrial port, No. 618, Colin West Road, Chengdu cross strait science and Technology Industrial Development Park, Wenjiang District, Chengdu, Sichuan Patentee after: Chengdu OSCE Electric Co.,Ltd. Address before: 610036 1-710, block B, Zhonghai Haike building, No. 288, Huichuan street, high tech Zone, Chengdu, Sichuan Patentee before: CHENGDU EUSAFE ELECTRICAL Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |