CN205485393U - Delay timer of switch snow melt device - Google Patents
Delay timer of switch snow melt device Download PDFInfo
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- CN205485393U CN205485393U CN201620042204.6U CN201620042204U CN205485393U CN 205485393 U CN205485393 U CN 205485393U CN 201620042204 U CN201620042204 U CN 201620042204U CN 205485393 U CN205485393 U CN 205485393U
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- delay control
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- heating unit
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Abstract
The utility model discloses a delay timer of switch snow melt device, including a plurality of heating cell controller trigger ends, with a plurality of time -delay control circuit that a plurality of heating unit one -to -ones are connected and with the controller that a plurality of time -delay control circuit link to each other, time -delay control circuit includes: with first relay that heating cell controller trigger end links to each other and with the second relay that first relay links to each other, the second relay is time relay, and is adjacent among the time -delay control circuit two the delay time of second relay differs the time of predetermineeing. The utility model provides a delay timer of switch snow melt device can prevent that the snow melt device is to the impact of electric wire netting and the damage of device when starting the heating.
Description
Technical field
This utility model relates to severe cold area railway and high-speed railway switch electric heating snow melting equipment, particularly to the chronotron of a kind of melting snow on turnout junction device.
Background technology
Climate in china divides five regions: severe cold area, cold district, hot-summer and cold-winter area, hot summer and warm winter region and gentleness are regional.China's severe cold area annual coldest month mean temperature is less than-10 DEG C, and some areas minimum temperature is up to about-40 DEG C, and winter climate is cold, and rainfall wind-force many, general is bigger.In the Winter Snow weather of severe cold area, if falling road railroad switch snow removal not in time, will accumulated snow and icing in track switch, cause point tongue most advanced and sophisticated and the most closely connected between stock rail, can not locking or clearing signal, directly affect being normally carried out of station receiving and dispatching trains operation and shunting service, even cause time serious and fall road traffic or interruption.
The appearance of electric heating element makes the snow melt efficiency of device for melting snow obtain large increase, but existing device for melting snow is starting heating when, starts all of heating unit simultaneously, electrical network plays the biggest percussion, even burns out the electric components of electrical network.
Utility model content
In view of this, this utility model provides the chronotron of a kind of melting snow on turnout junction device, it is possible to prevent device for melting snow impact and the damage of device when starting heating to electrical network.
This utility model solves the problems referred to above by techniques below means:
The chronotron of a kind of melting snow on turnout junction device, including triggering multiple delay control circuits that end connects one to one and the controller being connected with the plurality of delay control circuit with multiple heating unit controllers；
Described delay control circuit includes: trigger the first relay that end is connected and the second relay being connected with described first relay with described heating unit controller, described second relay coil one end is connected with described controller, the described second relay coil other end and the first supply voltage are connected, the movable contact of described second relay is connected with described controller, the normally opened stationary contact of described second relay is connected with one end of described first relay coil, the other end of described first relay coil is connected with described first supply voltage, the normally opened stationary contact of described first relay is connected with the triggering end of corresponding heating unit controller, described first relay movable contact and the second supply voltage are connected；
Described second relay is the time relay, the delay time difference Preset Time of two described second relays in adjacent described delay control circuit.
Further, described controller is for sending enabling signal to described delay control circuit, and described first supply voltage is relay supply voltage, and described second supply voltage is that heating unit controller triggers end supply voltage.
Further, described Preset Time is 2 seconds.
Further, the model of described first relay is MY2NJ, and the model of described second relay is H3Y2.
This utility model, compared to prior art, has the advantages that
The chronotron of the melting snow on turnout junction device that this utility model provides, trigger at controller and heating unit controller and between end, increase delay control circuit, and the delay time often organizing delay control circuit is progressively incremented by, such that it is able to progressively start connected heating unit, reduce impact and the spoilage of device to electrical network when heating unit startup is heated.In actual applications, can control to start number and the time of heating unit according to grid power every time, prevent the phenomenon of the overload impact to electrical network and device failure.This utility model may apply to melting snow on turnout junction apparatus control system and heating unit controller triggers between end.
Accompanying drawing explanation
With embodiment, this utility model is further described below in conjunction with the accompanying drawings.
Fig. 1 is the circuit connection diagram of the chronotron of the melting snow on turnout junction device of this utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below the technical scheme in this utility model is carried out clear, complete description, it is clear that described embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, those of ordinary skill in the art on the premise of not making creative work, the every other embodiment obtained, broadly fall into this utility model protection scope.
This utility model provides the chronotron of a kind of melting snow on turnout junction device, including triggering multiple delay control circuits that end connects one to one and the controller being connected with the plurality of delay control circuit with multiple heating unit controllers；
Described delay control circuit includes: trigger the first relay that end is connected and the second relay being connected with described first relay with described heating unit controller, described second relay coil one end is connected with described controller, the described second relay coil other end and the first supply voltage are connected, the movable contact of described second relay is connected with described controller, the normally opened stationary contact of described second relay is connected with one end of described first relay coil, the other end of described first relay coil is connected with described first supply voltage, the normally opened stationary contact of described first relay is connected with the triggering end of corresponding heating unit controller, described first relay movable contact and the second supply voltage are connected；
Described second relay is the time relay, the delay time difference Preset Time of two described second relays in adjacent described delay control circuit.
As technique scheme preferably embodiment, described controller is for sending enabling signal to described delay control circuit, and described first supply voltage is relay supply voltage, and described second supply voltage is that heating unit controller triggers end supply voltage.Described Preset Time can be set according to practical situation.In one preferably example, described Preset Time is 2 seconds.
In Fig. 1, trigger by two heating unit controllers, as a example by corresponding two delay control circuits of end, particular circuit configurations of the present utility model and work process are described.
In Fig. 1, the chronotron of melting snow on turnout junction device, triggers, including triggering end 1 and heating unit controller with heating unit controller, the first delay control circuit and the second delay control circuit and the controller being connected with the first delay control circuit and the second delay control circuit that end 2 connects one to one.
Wherein, first delay control circuit includes the first relay J DQ1 that model is MY2NJ and the second relay J DQ2 that model is H3Y2, heating unit controller triggers end 1 and is connected with the pin 8 of the first relay J DQ1, and the pin 12 of the first relay J DQ1 is connected with alternating current 220V power supply.The pin 13 of the first relay J DQ1 is connected with relay supply voltage VCC1, the pin 14 of the first relay J DQ1 is connected with the 5th pin of the second relay J DQ2,9th pin of the second relay J DQ2 and the 14th pin of the second relay J DQ2 are connected with controller, and the 13rd pin of the second relay J DQ2 is connected with relay supply voltage VCC1.
Second delay control circuit includes the first relay J DQ1 that model is MY2NJ ' and the second relay J DQ2 that model is H3Y2 ', heating unit controller triggers end 2 and the first relay J DQ1 ' pin 8 be connected, first relay J DQ1 ' pin 12 be connected with alternating current 220V power supply, first relay J DQ1 ' pin 13 be connected with relay supply voltage VCC1, 5th pin of the first relay J DQ1 ' pin 14 and the second relay J DQ2 ' is connected, 14th pin of the second relay J DQ2 ' the 9th pin and the second relay J DQ2 ' is connected with controller, second relay J DQ2 ' the 13rd pin be connected with relay supply voltage VCC1.
In the present embodiment, first relay J DQ1 and the first relay J DQ1 ' it is common relay, the delay time of the second relay J DQ2 and the second relay J DQ2 ' be the time relay, in the first delay control circuit, the delay time of the second relay J DQ2 is than the second relay J DQ2 in the second delay control circuit ' is short 3 seconds.
During work, regulate the second relay J DQ2 in the delay time of the second relay J DQ2 in the first delay control circuit and the second delay control circuit ' delay time, the delay time making the time delay gap ratio JDQ2 ' of JDQ2 is short 3 seconds.When receiving the enabling signal that controller sends when, JDQ2 and JDQ2 ' adhesive simultaneously, after arriving the preset delay time of JDQ2, pin 5 and the pin 9 of JDQ2 turn on, now JDQ1 adhesive, pin 8 and the pin 12 of JDQ1 turn on, and alternating current 220V voltage-drop loading to heating unit controller is triggered end 1, first heating unit obtains electric beginning to warm up, heating unit controller trigger end 2 due to not electric and do not heat.After reaching JDQ2 ' preset time, pin 5 and the pin 9 of JDQ2 ' turn on, now JDQ1 ' adhesive (JDQ1 adhesive always), pin 8 and the pin 12 of JDQ1 ' turn on, alternating current 220V voltage-drop loading to heating unit controller is triggered end 2, and the second heating unit obtains and electric begins to warm up (the first heating unit is constantly in heated condition).Therefore two heating units gradually begin to warm up, and each only one of which heating unit starts heating, and so impact to electrical network is the least, does not affect the safety of electrical network.
The chronotron of the melting snow on turnout junction device that this utility model provides, trigger at controller and heating unit controller and between end, increase delay control circuit, and the delay time often organizing delay control circuit is progressively incremented by, such that it is able to progressively start connected heating unit, reduce impact and the spoilage of device to electrical network when heating unit startup is heated.In actual applications, can control to start number and the time of heating unit according to grid power every time, prevent the phenomenon of the overload impact to electrical network and device failure.This utility model may apply to melting snow on turnout junction apparatus control system and heating unit controller triggers between end.
Finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent, without deviating from objective and the scope of technical solutions of the utility model, it all should be contained in the middle of right of the present utility model.
Claims (4)
1. the chronotron of a melting snow on turnout junction device, it is characterised in that include triggering multiple delay control circuits that end connects one to one and the controller being connected with the plurality of delay control circuit with multiple heating unit controllers；
Described delay control circuit includes: trigger the first relay that end is connected and the second relay being connected with described first relay with described heating unit controller, described second relay coil one end is connected with described controller, the described second relay coil other end and the first supply voltage are connected, the movable contact of described second relay is connected with described controller, the normally opened stationary contact of described second relay is connected with one end of described first relay coil, the other end of described first relay coil is connected with described first supply voltage, the normally opened stationary contact of described first relay is connected with the triggering end of corresponding heating unit controller, described first relay movable contact and the second supply voltage are connected；
Described second relay is the time relay, the delay time difference Preset Time of two described second relays in adjacent described delay control circuit.
The chronotron of a kind of melting snow on turnout junction device the most according to claim 1, it is characterized in that, described controller is for sending enabling signal to described delay control circuit, described first supply voltage is relay supply voltage, and described second supply voltage is that heating unit controller triggers end supply voltage.
The chronotron of a kind of melting snow on turnout junction device the most according to claim 1, it is characterised in that described Preset Time is 2 seconds.
The chronotron of a kind of melting snow on turnout junction device the most according to claim 1, it is characterised in that the model of described first relay is MY2NJ, the model of described second relay is H3Y2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042204.6U CN205485393U (en) | 2016-01-18 | 2016-01-18 | Delay timer of switch snow melt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620042204.6U CN205485393U (en) | 2016-01-18 | 2016-01-18 | Delay timer of switch snow melt device |
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| Publication Number | Publication Date |
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| CN205485393U true CN205485393U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620042204.6U Active CN205485393U (en) | 2016-01-18 | 2016-01-18 | Delay timer of switch snow melt device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106793187A (en) * | 2017-01-16 | 2017-05-31 | 上海耶伦电热技术合伙企业（普通合伙） | For the switch element of automatic computer heating control |
| CN110552312A (en) * | 2018-06-04 | 2019-12-10 | 河南森源重工有限公司 | one-key sequence control method and system for snow melting vehicle |
-
2016
- 2016-01-18 CN CN201620042204.6U patent/CN205485393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106793187A (en) * | 2017-01-16 | 2017-05-31 | 上海耶伦电热技术合伙企业（普通合伙） | For the switch element of automatic computer heating control |
| CN110552312A (en) * | 2018-06-04 | 2019-12-10 | 河南森源重工有限公司 | one-key sequence control method and system for snow melting vehicle |
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