CN204651248U - A kind of exchange time relay - Google Patents
A kind of exchange time relay Download PDFInfo
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- CN204651248U CN204651248U CN201520316020.XU CN201520316020U CN204651248U CN 204651248 U CN204651248 U CN 204651248U CN 201520316020 U CN201520316020 U CN 201520316020U CN 204651248 U CN204651248 U CN 204651248U
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Abstract
The utility model discloses a kind of exchange time relay, belong to time relay field, comprise the timing circuit of timing setting mechanism and casing of relay inside on casing of relay, timing setting mechanism on casing of relay comprises circular housing and protective device, circular housing is provided with round center hole, protective device is provided with the connecting portion with round center hole rotatable engagement, connecting portion is provided with pointer, protective device is provided with the hole holding pointer, breakdown is not touched bad for the protection of the pointer on connecting portion, casing of relay internal circuit comprises current rectifying and wave filtering circuit, power on indicating circuit, timing circuit, executive circuit and warning circuit, stream filter circuit is connected with the indicating circuit that powers on, the indicating circuit that powers on is connected with timing circuit, timing circuit is connected with executive circuit and warning circuit.The utility model accurately can judge whether timing terminates fast, and structure is simple, timing accuracy is high.
Description
Technical field
The utility model belongs to time relay field, is specifically related to a kind of exchange time relay.
Background technology
The major function of the time relay is a kind of performer in controlling as simple program, starts timing, the action that after timing terminates, its working contact carries out out or closes, thus promote follow-up circuit working after it receives enabling signal.The time relay timing setting mechanism of current JZS series adopts knob and circular housing structure, with round center hole and a red position line on circular housing, when carrying out timing, rotate circular housing, red position line is made to point to the set time, get back to zero-bit when red position line and represent that timing terminates, simultaneously relay working contact leaves or closes, and it is bright or go out that relay working contact leaves or close indicator light.There is following shortcoming in prior art: the red position line 1, on circular housing is not obvious, be not easy the concrete time scale finding out timing, timing accuracy is not high, red position line on circular housing unlike clock with time common action, sometimes, when zero-bit got back to by red position line, timing does not terminate; 2, according to the adhesive of executive circuit after the time relay or disconnection or observe relay working contact to open or close indicator light bright or go out and judge whether time relay timing terminates, more time-consuming.
Utility model content
The utility model object is to provide the exchange time relay that a kind of structure is simple, timing accuracy is high.
For achieving the above object, the utility model is by the following technical solutions: a kind of exchange time relay, comprise the timing circuit of timing setting mechanism on casing of relay and casing of relay inside, timing setting mechanism on described casing of relay comprises circular housing and protective device, described circular housing is provided with round center hole, described protective device is provided with the connecting portion with round center hole rotatable engagement, described casing of relay internal circuit comprises current rectifying and wave filtering circuit, power on indicating circuit, timing circuit, executive circuit and warning circuit, described current rectifying and wave filtering circuit is connected with the indicating circuit that powers on, the indicating circuit that powers on is connected with timing circuit, timing circuit is connected with executive circuit and warning circuit.
Described current rectifying and wave filtering circuit comprises the first potentiometer, first diode, second diode, first polar capacitor and the second resistance, described first potentiometer first end is connected with the two ends of AC power respectively with the second end, the first end of described second resistance is connected with the first end of the first potentiometer, second end of the second resistance is connected with the positive pole of the first diode, the negative pole of described first diode is connected with the positive pole of the first polar capacitor, the negative pole of described first polar capacitor is connected with the positive pole of the second diode, the negative pole of the second diode is connected with the second end of the first potentiometer.
The described indicating circuit that powers on comprises the 3rd resistance, the 4th resistance and the first light-emitting diode, described 3rd resistance one end is connected with the first polar capacitor positive pole, the other end is connected with the first light-emitting diode positive pole, the negative pole of described first light-emitting diode is connected with the 3rd polar capacitor positive pole, described 3rd polar capacitor minus earth, 3rd polar capacitor positive pole connects DC power supply, and described 4th resistor coupled in parallel is at the first light-emitting diode two ends.
Described timing circuit comprises integrated chip, the input of described integrated chip is by the 4th capacity earth, the input of integrated chip is connected with the circuit providing Oscillator time constant, the described circuit of Oscillator time constant that provides comprises the second potentiometer and the 5th resistance, described second potentiometer first end and adjustable termination DC power supply, the second potentiometer second end is connected with the input of integrated chip by the 5th resistance; The adjustment end of described integrated chip is connected with level adjusting circuit, described level adjusting circuit comprises the 6th resistance, the 3rd potentiometer, the 5th electric capacity and the 9th resistance, first termination DC power supply of described 6th resistance, second end of the 6th resistance is connected with the adjustable end of the 3rd potentiometer and first end, described second end of the 3rd potentiometer is connected with the adjustment end of integrated chip, second end of the 3rd potentiometer is also by the 5th capacity earth, and described 9th resistor coupled in parallel is at the 5th electric capacity two ends; The power supply drain electrode termination DC power supply of described integrated chip; First preset end and the second preset end of described integrated chip are connected with delay selection circuit, described delay selection circuit comprises the first switch, second switch, the tenth resistance and the 11 resistance, described first switch one termination DC power supply, the other end is connected with the first preset end of integrated chip, first preset end of described integrated chip is by the tenth grounding through resistance, described second switch one termination DC power supply, the other end is connected with the second preset end of integrated chip, and the second preset end of described integrated chip is by the 11 grounding through resistance; The output of described integrated chip is connected with executive circuit and warning circuit.
Described executive circuit comprises silicon controlled crystal brake pipe, second light-emitting diode and relay, the control pole of described silicon controlled crystal brake pipe is connected with timing circuit output, the minus earth of silicon controlled crystal brake pipe, the 6th electric capacity is connected with between the negative electrode of silicon controlled crystal brake pipe and control pole, the anode of silicon controlled crystal brake pipe is connected with the negative pole of the second light-emitting diode, the positive pole of described second light-emitting diode is connected with the positive pole of the second electric capacity with the second diode by the 7th resistance, described second electric capacity one end connects the positive pole of the 3rd diode, second electric capacity other end ground connection, described second light-emitting diode two ends are parallel with the 8th resistance, the first end of described relay coil is connected with the second end of AC power, second end of relay coil is connected with the first end of AC power by the 3rd diode, second end of relay coil is connected with the positive pole of the 3rd triode.
Described warning circuit comprises buzzer and triode, the base stage of described triode is connected with the output of timing circuit by the 12 resistance, transistor base is by the 7th capacity earth, transistor emitter connects DC power supply, the emitter of triode is connected with the 4th diode cathode, the positive pole of the 4th diode is connected with the collector electrode of triode, and the collector electrode of triode is connected with buzzer one end, buzzer other end ground connection.
Described connecting portion is provided with pointer.
Compared with prior art, the beneficial effects of the utility model are:
1, the connecting portion in timing setting mechanism of the present utility model is provided with pointer, timing scale can be indicated accurately, circular housing is rotated when carrying out timing, pointer is made to point to the set time, pointer can as clock with time common action, when rotating to the zero-bit on graduated time ring when pointer, represent that timing terminates;
2, the utility model is connected with executive circuit and warning circuit at the output of integrated chip, when to rotate to the zero-bit graduated time ring from desired location when pointer, represent that timing arrives, integrated chip exports high level signal, silicon controlled crystal brake pipe conducting, relay working contact leaves or closes, second LEDs ON, relay working contact leaves or to close indicator light bright, the high level signal that integrated chip exports simultaneously amplifies rear drive buzzer warning by triode, people or can observe relay working contact and open or close indicator light light on and off and judge that whether time relay timing terminates according to the adhesive of control circuit after the time relay or disconnection, but by whether hearing that buzzer warning carrys out deducibility delay timing and whether terminates, thus accurately can judge that whether timing terminates fast, structure is simple, timing accuracy is high.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of timing circuit of the present utility model;
Fig. 2 is the structural representation of timing setting mechanism of the present utility model.
Embodiment
The utility model discloses a kind of exchange time relay, comprise the timing circuit of timing setting mechanism and casing of relay inside on casing of relay, as shown in Figure 2, timing setting mechanism on casing of relay comprises circular housing 2 and protective device 1, the graduated time ring 7 matched with relay is installed in circular housing 2, circular housing 2 is provided with round center hole, protective device 1 is provided with the connecting portion with round center hole rotatable engagement, connecting portion is provided with pointer 5, protective device 1 is provided with the hole holding pointer 5, breakdown is not touched bad for the protection of the pointer 5 on connecting portion, connecting portion is also provided with the adjusting rod be connected with the second potentiometer W1 in the timing circuit of casing of relay inside, by rotating circular housing 2, the pointer 5 be located on connecting portion can be made to point to the position that will set delay time, corresponding sports made by the adjusting rod simultaneously connecting portion established, the second potentiometer W1 in regulating relay enclosure interior timing circuit, then corresponding time constant is inputted to integrated chip U1, reach the object of time delay.
As shown in Figure 1, the timing circuit of casing of relay inside comprises current rectifying and wave filtering circuit, power on indicating circuit, timing circuit, warning circuit and executive circuit, current rectifying and wave filtering circuit is connected with the indicating circuit that powers on, the indicating circuit that powers on is connected with timing circuit, timing circuit is connected with executive circuit and warning circuit, current rectifying and wave filtering circuit comprises the first potentiometer R1, first diode D1, second diode D2, first polar capacitor C1 and the second resistance R2, the first end of the first potentiometer R1 and the second end respectively with the two ends L1 of AC power, L2 connects, the first end of the second resistance R2 is connected with the first end of the first potentiometer R1, second end of the second resistance R2 is connected with the positive pole of the first diode D1, the negative pole of the first diode D1 is connected with the positive pole of the first polar capacitor C1, the negative pole of the first polar capacitor C1 is connected with the positive pole of the second diode D2, the negative pole of the second diode D2 is connected with second end of the first potentiometer R1, alternating current 220V voltage becomes direct voltage after rectifying and wave-filtering.
The indicating circuit that powers on comprises the 3rd resistance R3, the 4th resistance R4 and the first LED 1,3rd resistance R3 one end is connected with the first polar capacitor C1 positive pole, the other end is connected with the first LED 1 positive pole, the negative pole of the first LED 1 is connected with the 3rd polar capacitor C3 positive pole, 3rd polar capacitor C3 minus earth, 3rd polar capacitor C3 positive pole meets DC power supply VCC, and the 4th resistance R4 is connected in parallel on the first LED 1 two ends; Direct voltage after rectifying and wave-filtering makes the first LED 1 conducting through the 3rd resistance R3, namely the indicator light 3 that powers on shell is bright, the 4th resistance R4 being connected in parallel on the first LED 1 two ends is current-limiting resistance, play the effect of current limliting, DC power supply carries out secondary filtering through the 3rd polar capacitor C3.
Timing circuit comprises integrated chip U1(G6445), integrated chip U1(G6445) input (pin 1) by the 4th electric capacity C4 ground connection, integrated chip U1(G6445) input (pin 1) be connected with the circuit that Oscillator time constant is provided, the circuit of Oscillator time constant is provided to comprise the second potentiometer W1 and the 5th resistance R5, second potentiometer W1 first end and adjustable termination DC power supply VCC, second potentiometer W1 second end is by the 5th resistance R5 and integrated chip U1(G6445) input (pin 1) be connected, the circuit of Oscillator time constant is provided to be integrated chip U1(G6445) time constant is provided, and by the 4th electric capacity C4 filtering, integrated chip U1(G6445) adjustment end (pin 2) be connected with level adjusting circuit, level adjusting circuit comprises the 6th resistance R6, the 3rd potentiometer W2, the 5th electric capacity C5 and the 9th resistance R9,6th resistance R6 first termination DC power supply VCC, adjustable end and the first end of the 6th resistance R6 second end and the 3rd potentiometer W2 are connected, second end and the integrated chip U1(G6445 of the 3rd potentiometer W2) adjustment end (pin 2) be connected, second end of the 3rd potentiometer W2 is also by the 5th electric capacity C5 ground connection, and the 9th resistance R9 is connected in parallel on the 5th electric capacity C5 two ends, integrated chip U1(G6445) power supply drain electrode end (pin 3) meet DC power supply VCC, integrated chip U1(G6445) the first preset end (pin 4) and the second preset end (pin 5) be connected with delay selection circuit, delay selection circuit comprises the first K switch 1, second switch K2, tenth resistance R10 and the 11 resistance R11, the first end of the first K switch 1 and the first termination DC power supply VCC of second switch K2, second end and the integrated chip U1(G6445 of the first K switch 1) the first preset end (pin 4) be connected, integrated chip U1(G6445) the first preset end (pin 4) by the tenth resistance R10 ground connection, second end and the integrated chip U1(G6445 of second switch K2) the second preset end (pin 5) be connected, integrated chip U1(G6445) the second preset end (pin 5) by the 11 resistance R11 ground connection, delay selection circuit is integrated chip U1(G6445) frequency division preset signal is provided, first K switch 1 and second switch K2 can have four kinds of combinations, the first is the first K switch 1 and second switch K2 complete closure, represent most long delay 1 second, the second is that the first K switch 1 disconnects, second switch K2 closes, and represents most long delay 10 seconds, the third is that the first K switch 1 is closed, second switch K2 disconnects, and represents most long delay 60 seconds, 4th kind is that the first K switch 1 and second switch K2 disconnect entirely, represents most long delay 6 minutes, the longest delay time is set by the break-make of the first K switch 1 and second switch K2 in setting time delay range switch 6, namely by different switch combinations, set different delay time ranges, integrated chip U1(G6445) power supply source terminal (pin 6) and test lead (pin 7) ground connection, integrated chip U1(G6445) output (pin 8) be connected with executive circuit and warning circuit.
Executive circuit comprises silicon controlled crystal brake pipe Q2, second LED 2 and relay J 1, control pole and the integrated chip U1(G6445 of silicon controlled crystal brake pipe Q2) output (pin 8) be connected, the minus earth of silicon controlled crystal brake pipe Q2, the 6th electric capacity C6 is connected with between the negative electrode of silicon controlled crystal brake pipe Q2 and control pole, the anode of silicon controlled crystal brake pipe Q2 is connected with the negative pole of the second LED 2, the positive pole of the second LED 2 is connected with the positive pole of the second diode D2 with the second electric capacity C2 by the 7th resistance R7, second electric capacity C2 one end connects the positive pole of the 3rd diode D2, second electric capacity C2 other end ground connection, second electric capacity C2 is filter capacitor, second LED 2 two ends are parallel with the 8th resistance R8, 8th resistance R8 is current-limiting resistance, play metering function, the first end of relay J 1 coil is connected with AC power second end L2, second end of relay J 1 coil is connected with the first end L1 of AC power by the 3rd diode D3, second end of relay J 1 coil is connected with the positive pole of the 3rd triode D3, when arriving delay time, the output (pin 8) of integrated chip U1 exports high level and charges to the 6th electric capacity C6, when the voltage on the 6th electric capacity C6 reaches peak point voltage, silicon controlled crystal brake pipe Q2 conducting, second LED 2 conducting, it is bright that indicator light 4 is opened or closed to relay contact, simultaneously the high level signal that exports of the output (pin 8) of integrated chip U1 is by silicon controlled crystal brake pipe Q2, the 8th resistance R8, the 7th resistance R7, be connected with the positive pole of the 3rd diode D3, make to bear malleation between the 3rd diode D3 both positive and negative polarity and conducting, namely relay J 1 coil obtains electric, relay contact action, be switched to the contact action time used from power supply, be the delay time of setting-up time relay.
Warning circuit comprises buzzer LS1 and triode Q1, the base stage of triode Q1 is by the 12 resistance R12 and integrated chip U1(G6445) output (pin 8) be connected, the base stage of triode Q1 is by the 7th electric capacity C7 ground connection, 7th electric capacity C7 is filter capacitor, the emitter of triode Q1 meets DC power supply VCC, the emitter of triode Q1 is connected with the 4th diode D4 negative pole, the positive pole of the 4th diode D4 meets DC power supply VCC, 4th diode D4 is fly-wheel diode, the collector electrode of triode Q1 is connected with one end of buzzer LS1, the other end ground connection of buzzer, when arriving delay time, the high level signal that the output (pin 8) of integrated chip U1 exports amplifies rear drive buzzer LS1 warning by triode Q1.
During use, when carrying out timing, first time delay range switch 6 is regulated, by the different switch combinations of the first K switch 1 and second switch K2, the delay time range that setting needs, then circular housing 2 is rotated, pointer 5 is made to point to the time of required setting, represent that timing terminates when the zero graduation that pointer 5 is got back to graduated time ring 7 from the position of setting, now, the output (pin 8) of integrated chip U1 exports high level and charges to the 6th electric capacity C6, when the voltage on the 6th electric capacity C6 reaches peak point voltage, silicon controlled crystal brake pipe Q2 conducting, second LED 2 conducting, it is bright that indicator light 4 is opened or closed to relay contact, simultaneously, the high level signal that integrated chip U1 output (pin 8) exports is by silicon controlled crystal brake pipe Q2, 8th resistance R8, 7th resistance R7 is connected with the positive pole of the 3rd diode D3, make to bear malleation between the 3rd diode D3 both positive and negative polarity and conducting, namely relay J 1 coil obtains electric, the contact action of relay J 1, simultaneously, the high level signal that the output (pin 8) of integrated chip U1 exports amplifies rear drive buzzer LS1 warning by triode Q1.
Claims (7)
1. an exchange time relay, comprise the timing circuit of timing setting mechanism on casing of relay and casing of relay inside, timing setting mechanism on described casing of relay comprises circular housing and protective device, described circular housing is provided with round center hole, described protective device is provided with the connecting portion with round center hole rotatable engagement, it is characterized in that: described casing of relay internal circuit comprises current rectifying and wave filtering circuit, power on indicating circuit, timing circuit, executive circuit and warning circuit, described current rectifying and wave filtering circuit is connected with the indicating circuit that powers on, the indicating circuit that powers on is connected with timing circuit, timing circuit is connected with executive circuit and warning circuit.
2. exchange time relay as claimed in claim 1, it is characterized in that: described current rectifying and wave filtering circuit comprises the first potentiometer, first diode, second diode, first polar capacitor and the second resistance, the first end of described first potentiometer and the second end are connected on the two ends of AC power, the first end of described second resistance is connected with the first end of the first potentiometer, second resistance second end is connected with the positive pole of the first diode, the negative pole of described first diode is connected with the positive pole of the first polar capacitor, the negative pole of the first polar capacitor is connected with the positive pole of the second diode, the negative pole of described second diode is connected with the second end of the first potentiometer.
3. exchange time relay as claimed in claim 2, it is characterized in that: described in the indicating circuit that powers on comprise the 3rd resistance, the 4th resistance and the first light-emitting diode, described 3rd resistance one end is connected with the first polar capacitor positive pole, the other end is connected with the first light-emitting diode positive pole, the negative pole of described first light-emitting diode is connected with the 3rd polar capacitor positive pole, described 3rd polar capacitor minus earth, 3rd polar capacitor positive pole connects DC power supply, and described 4th resistor coupled in parallel is at the first light-emitting diode two ends.
4. exchange time relay as claimed in claim 3, it is characterized in that: described timing circuit comprises integrated chip, the input of described integrated chip is by the 4th capacity earth, the input of integrated chip is connected with the circuit providing Oscillator time constant, the described circuit of Oscillator time constant that provides comprises the second potentiometer and the 5th resistance, described second potentiometer first end and adjustable termination DC power supply, the second potentiometer second end is connected with the input of integrated chip by the 5th resistance; The adjustment end of described integrated chip is connected with level adjusting circuit, described level adjusting circuit comprises the 6th resistance, the 3rd potentiometer, the 5th electric capacity and the 9th resistance, described 6th resistance first termination DC power supply, adjustable end and the first end of the 6th resistance second end and the 3rd potentiometer are connected, described second end of the 3rd potentiometer is connected with the adjustment end of integrated chip, second end of the 3rd potentiometer is also by the 5th capacity earth, and described 9th resistor coupled in parallel is at the 5th electric capacity two ends; The power supply drain electrode termination DC power supply of described integrated chip; First preset end and the second preset end of described integrated chip are connected with delay selection circuit, described delay selection circuit comprises the first switch, second switch, the tenth resistance and the 11 resistance, described first switch one termination DC power supply, the other end is connected with the first preset end of integrated chip, first preset end of described integrated chip is by the tenth grounding through resistance, described second switch one termination DC power supply, the other end is connected with the second preset end of integrated chip, and the second preset end of described integrated chip is by the 11 grounding through resistance; The output of described integrated chip is connected with executive circuit and warning circuit.
5. exchange time relay as claimed in claim 4, it is characterized in that: described executive circuit comprises silicon controlled crystal brake pipe, second light-emitting diode and relay, the control pole of described silicon controlled crystal brake pipe is connected with the output of timing circuit, the minus earth of silicon controlled crystal brake pipe, the 6th electric capacity is connected with between the negative electrode of silicon controlled crystal brake pipe and control pole, the anode of silicon controlled crystal brake pipe is connected with the negative pole of the second light-emitting diode, the positive pole of described second light-emitting diode is connected with the positive pole of the second electric capacity with the second diode by the 7th resistance, second electric capacity one end connects the positive pole of the 3rd diode, second electric capacity other end ground connection, described second light-emitting diode two ends are parallel with the 8th resistance, the first end of described relay coil is connected with the second end of AC power, second end of relay coil is connected with the first end of AC power by the 3rd diode, second end of relay coil is connected with the positive pole of the 3rd triode.
6. exchange time relay as claimed in claim 5, it is characterized in that: described warning circuit comprises buzzer and triode, the base stage of described triode is connected with the output of timing circuit by the 12 resistance, transistor base is by the 7th capacity earth, transistor emitter connects DC power supply, the emitter of triode is connected with the negative pole of the 4th diode, the positive pole of the 4th diode is connected with the collector electrode of triode, the collector electrode of triode is connected with buzzer one end, buzzer other end ground connection.
7. exchange time relay as claimed in claim 1, is characterized in that: described connecting portion is provided with pointer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520316020.XU CN204651248U (en) | 2015-05-18 | 2015-05-18 | A kind of exchange time relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520316020.XU CN204651248U (en) | 2015-05-18 | 2015-05-18 | A kind of exchange time relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204651248U true CN204651248U (en) | 2015-09-16 |
Family
ID=54103965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520316020.XU Expired - Fee Related CN204651248U (en) | 2015-05-18 | 2015-05-18 | A kind of exchange time relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204651248U (en) |
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2015
- 2015-05-18 CN CN201520316020.XU patent/CN204651248U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Xiaojuan Inventor after: Ma Lili Inventor after: Li Shuling Inventor after: Zhang Mei Inventor after: Zhang Yan Inventor after: Hou Ming Inventor after: Yu Yanwei Inventor after: Tai Chang Inventor after: Ni Fengfeng Inventor after: Gang Diejin Inventor after: Ma Yunfei Inventor after: Jia Jihao Inventor before: Zhou Xiaojuan Inventor before: Li Shuling Inventor before: Zhang Mei Inventor before: Yu Yanwei Inventor before: Tai Chang Inventor before: Zhang Yan Inventor before: Jia Jihao Inventor before: Ma Lili |
|
| COR | Change of bibliographic data | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tai Chang Inventor after: Hou Ming Inventor after: Zhang Yongchun Inventor after: Yu Yanwei Inventor after: Zhang Yan Inventor before: Zhou Xiaojuan Inventor before: Ma Lili Inventor before: Li Shuling Inventor before: Zhang Mei Inventor before: Zhang Yan Inventor before: Hou Ming Inventor before: Yu Yanwei Inventor before: Tai Chang Inventor before: Ni Fengfeng Inventor before: Gang Diejin Inventor before: Ma Yunfei Inventor before: Jia Jihao |
|
| 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: 20150916 Termination date: 20180518 |