CN203584654U - Automatic starting and fault alarming system for water jacket heater for diesel generating set - Google Patents
Automatic starting and fault alarming system for water jacket heater for diesel generating set Download PDFInfo
- Publication number
- CN203584654U CN203584654U CN201320782029.0U CN201320782029U CN203584654U CN 203584654 U CN203584654 U CN 203584654U CN 201320782029 U CN201320782029 U CN 201320782029U CN 203584654 U CN203584654 U CN 203584654U
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- contactor
- branch road
- relay
- jacket heater
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Abstract
The utility model belongs to the field of electrical automatic control processing of the diesel generating set and particularly relates to an automatic starting and fault alarming system for a water jacket heater for the diesel generating set. The automatic starting and fault alarming system comprises a contact point L and a contact point N; an AC (Alternate Current) contactor, a current relay and the water jacket heater are connected in series between the contact point L and the contact point N; and leakage protectors are respectively arranged between the contact point L and the AC contactor KM and as well as between the contact point N and the AC contactor. The energy-saving water jacket heater for the diesel generating set sufficiently utilizes a high-accuracy temperature sensor and solves the problem of low-temperature automatic start so as to implement an automatic heating function. The creative circuit design scheme is improved, the corresponding current relay is increased added and a power circuit is monitored, so that the effect that when a loop has a fault, an audible and visual alarm signal can be sent out is implemented.
Description
Technical field
The utility model belongs to diesel generating set electric automatic control manufacture field, specifically relates to automatic startup and the failure warning system of jacket heater for diesel generating set.
Background technique
At present at diesel generating set electric automatic control manufacture field, the jacket heater that diesel generating set is installed, inner heating pipe adopts stainless steel manufacture, all adopt 220V Ac as heating power supply, heater is only with lamplight pointing function, indication "on" position, the problem that the control mode of existing this heater exists is: 1. jacket heater is in ambient temperature during lower than 5 C, can not Automatic-heating; 2., when heating circuit fault or heating pipe break, cannot send acoustooptic alarm signal.
Summary of the invention
Defect in view of prior art existence, the utility model is that automatic startup and the failure warning system of diesel generating set with jacket heater will be provided, a kind of automatic startup of heater configuration and accident warning device that it heats to diesel generating set cooling liquid, realizing diesel generating set in the winter time can smooth automatically actuated object.
In order to realize above-mentioned improving eyesight, the technological scheme that the utility model adopts is automatic startup and the failure warning system of jacket heater for diesel generating set, it comprises: point of contact L and point of contact N, between point of contact L and point of contact N, be in series with A.C. contactor, current relay and jacket heater; Between point of contact L and A.C. contactor KM and between point of contact N and A.C. contactor, be respectively equipped with earth leakage protective device; Between described A.C. contactor KM and current relay, be provided with temp controller, between described earth leakage protective device and A.C. contactor, be in series with miniature circuit breaker, generator set running state contact and undercurrent relay contact and temperature transducer; Between described generator set running state contact and undercurrent relay contact, be provided with the first branch road, the first branch road is provided with and stops tutorial light, and the main road after the first branch road and A.C. contactor merges; Stop tutorial light in parallel with the undercurrent relay contact, temperature transducer and the A.C. contactor that are positioned on trunk roads; It is characterized in that: between generator set running state contact and protective relay normally-closed contact, be provided with the second branch road, on the second branch road, be in series with undercurrent relay delayed contact and fault indicating lamp; Described the second branch circuit parallel connection has the 3rd branch road, and the 3rd branch road is provided with reset button, protective relay normally opened contact and protective relay; The second branch road, the 3rd branch road are incorporated to the first branch road and are back to main road; Between undercurrent relay delayed contact and fault indicating lamp, be provided with branch road, circuit between branch road access protective relay normally opened contact and protective relay.
Burner on light, power supply indicator that described jacket heater is connected between point of contact L and point of contact N are arranged side by side, and described power supply indicator is between earth leakage protective device and A.C. contactor.
Described the first branch road is provided with A.C. contactor normally-closed contact.
Described temperature transducer is in parallel with A.C. contactor normally opened contact.
Working procedure of the present utility model is:
1) when charged L power supply is normal → and the earth leakage protective device → L1 that closes is charged → power supply indicator → N, and power supply indicator is bright;
2) when L1 is charged → miniature circuit breaker → power supply that closes is by A.C. contactor normally-closed contact → stop tutorial light → N, stops tutorial light bright;
3) when ambient temperature shuts down lower than 5 C and generator, L1 power supply → miniature circuit breaker → generator set running state contact → protective relay normally-closed contact → temperature transducer contact (lower than 5 C time closed) → A.C. contactor → N, closing circuit starts, after A.C. contactor action, its A.C. contactor normally opened contact is closed, locking temperature transducer contact (higher than 15 C time open), the conducting that continues to keep closing circuit;
4) L power supply → earth leakage protective device → A.C. contactor closure → temp controller normally-closed contact → current relay → jacket heater → N, power loop has moved and has started heating, and burner on light is bright simultaneously; After this, when temperature reaches 45 C temp controllers, disconnect, power loop stops heating, and when temperature reaches 25 C temp controllers closures, power loop heats again, working in reciprocating mode.
5) when heater breaks down; current relay is monitored out curent change between setting district time; L1 power supply → miniature circuit breaker → generator set running state contact → undercurrent relay delayed contact DL time delay 2S action → fault indicating lamp and protective relay K → N, make the action of the bright and protective relay of fault indicating lamp.
6) after protective relay action, the protective relay normally-closed contact in closing circuit is opened, and closing circuit is disconnected, and A.C. contactor KM loss of excitation, disconnects the power supply of power loop.Manually press after reset button, disconnect alarm circuit.
Compared with prior art, the energy-conservation jacket heater of diesel generating set makes full use of high-precision temperature transducer, solves low temperature and automatically starts to reach the function of Automatic-heating.And improve innovation circuit design scheme, increase respective electrical current relay, monitoring power current circuit, to realize loop, break down and can send acoustooptic alarm signal.
Accompanying drawing explanation
Fig. 1-2 is circuit diagram of the present utility model;
In figure: 1, earth leakage protective device; 2, A.C. contactor; 3, current relay DL; 4, jacket heater; 5, temp controller; 6, power supply indicator; 7, burner on light; 8, miniature circuit breaker; 9, generator set running state contact; 10, protective relay normally-closed contact K; 11, temperature transducer contact; 12, A.C. contactor; 13, A.C. contactor normally opened contact; 14, A.C. contactor normally-closed contact; 15, undercurrent relay delayed contact DL; 16, reset button; 17, protective relay normally opened contact; 18, stop tutorial light; 19, fault indicating lamp; 20, protective relay.
Embodiment
Automatic startup and the failure warning system of jacket heater for diesel generating set, it comprises: point of contact L and point of contact N, between point of contact L and point of contact N, be in series with A.C. contactor, current relay and jacket heater; Between point of contact L and A.C. contactor KM and between point of contact N and A.C. contactor, be respectively equipped with earth leakage protective device; Between described A.C. contactor KM and current relay, be provided with temp controller, between described earth leakage protective device and A.C. contactor, be in series with miniature circuit breaker, generator set running state contact and undercurrent relay contact and temperature transducer; Between described generator set running state contact and undercurrent relay contact, be provided with the first branch road, the first branch road is provided with and stops tutorial light, and the main road after the first branch road and A.C. contactor merges; Stop tutorial light in parallel with the undercurrent relay contact, temperature transducer and the A.C. contactor that are positioned on trunk roads; It is characterized in that: between generator set running state contact and protective relay normally-closed contact, be provided with the second branch road, on the second branch road, be in series with undercurrent relay delayed contact and fault indicating lamp; Described the second branch circuit parallel connection has the 3rd branch road, and the 3rd branch road is provided with reset button, protective relay normally opened contact and protective relay; The second branch road, the 3rd branch road are incorporated to the first branch road and are back to main road; Between undercurrent relay delayed contact and fault indicating lamp, be provided with branch road, circuit between branch road access protective relay normally opened contact and protective relay.
Burner on light, power supply indicator that described jacket heater is connected between point of contact L and point of contact N are arranged side by side, and described power supply indicator is between earth leakage protective device and A.C. contactor.
Described the first branch road is provided with A.C. contactor normally-closed contact.
Described temperature transducer is in parallel with A.C. contactor normally opened contact.
Working procedure of the present utility model is:
1) when charged L power supply is normal → and the earth leakage protective device → L1 that closes is charged → power supply indicator → N, and power supply indicator is bright;
2) when L1 is charged → miniature circuit breaker → power supply that closes is by A.C. contactor normally-closed contact → stop tutorial light → N, stops tutorial light bright;
3) when ambient temperature shuts down lower than 5 C and generator, L1 power supply → miniature circuit breaker → generator set running state contact → protective relay normally-closed contact → temperature transducer contact (lower than 5 C time closed) → A.C. contactor → N, closing circuit starts, after A.C. contactor action, its A.C. contactor normally opened contact is closed, locking temperature transducer contact (higher than 15 C time open), the conducting that continues to keep closing circuit;
4) L power supply → earth leakage protective device → A.C. contactor closure → temp controller normally-closed contact → current relay → jacket heater → N, power loop has moved and has started heating, and burner on light is bright simultaneously; After this, when temperature reaches 45 C temp controllers, disconnect, power loop stops heating, and when temperature reaches 25 C temp controllers closures, power loop heats again, working in reciprocating mode.
5) when heater breaks down; current relay is monitored out curent change between setting district time; L1 power supply → miniature circuit breaker → generator set running state contact → undercurrent relay delayed contact DL time delay 2S action → fault indicating lamp and protective relay K → N, make the action of the bright and protective relay of fault indicating lamp.
6) after protective relay action, the protective relay normally-closed contact in closing circuit is opened, and closing circuit is disconnected, and A.C. contactor KM loss of excitation, disconnects the power supply of power loop.Manually press after reset button, disconnect alarm circuit.
Claims (4)
1. automatic startup and the failure warning system of jacket heater for diesel generating set, it comprises: point of contact L and point of contact N, between point of contact L and point of contact N, be in series with A.C. contactor, current relay and jacket heater; Between point of contact L and A.C. contactor KM and between point of contact N and A.C. contactor, be respectively equipped with earth leakage protective device; Between described A.C. contactor KM and current relay, be provided with temp controller, between described earth leakage protective device and A.C. contactor, be in series with miniature circuit breaker, generator set running state contact and undercurrent relay contact and temperature transducer; Between described generator set running state contact and undercurrent relay contact, be provided with the first branch road, the first branch road is provided with and stops tutorial light, and the main road after the first branch road and A.C. contactor merges; Stop tutorial light in parallel with the undercurrent relay contact, temperature transducer and the A.C. contactor that are positioned on trunk roads; It is characterized in that: between generator set running state contact and protective relay normally-closed contact, be provided with the second branch road, on the second branch road, be in series with undercurrent relay delayed contact and fault indicating lamp; Described the second branch circuit parallel connection has the 3rd branch road, and the 3rd branch road is provided with reset button, protective relay normally opened contact and protective relay; The second branch road, the 3rd branch road are incorporated to the first branch road and are back to main road; Between undercurrent relay delayed contact and fault indicating lamp, be provided with branch road, circuit between branch road access protective relay normally opened contact and protective relay.
2. automatic startup and the failure warning system of jacket heater for diesel generating set according to claim 1; it is characterized in that: burner on light, power supply indicator that described jacket heater is connected between point of contact L and point of contact N are arranged side by side, and described power supply indicator is between earth leakage protective device and A.C. contactor.
3. automatic startup and the failure warning system of jacket heater for diesel generating set according to claim 1, is characterized in that: described the first branch road is provided with A.C. contactor normally-closed contact.
4. automatic startup and the failure warning system of jacket heater for diesel generating set according to claim 1, is characterized in that: described temperature transducer is in parallel with A.C. contactor normally opened contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782029.0U CN203584654U (en) | 2013-12-03 | 2013-12-03 | Automatic starting and fault alarming system for water jacket heater for diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320782029.0U CN203584654U (en) | 2013-12-03 | 2013-12-03 | Automatic starting and fault alarming system for water jacket heater for diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203584654U true CN203584654U (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320782029.0U Expired - Fee Related CN203584654U (en) | 2013-12-03 | 2013-12-03 | Automatic starting and fault alarming system for water jacket heater for diesel generating set |
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| CN (1) | CN203584654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090603A (en) * | 2014-06-27 | 2014-10-08 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Intelligent power generator insulating and heating device |
-
2013
- 2013-12-03 CN CN201320782029.0U patent/CN203584654U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090603A (en) * | 2014-06-27 | 2014-10-08 | 枣庄矿业(集团)有限责任公司田陈煤矿 | Intelligent power generator insulating and heating device |
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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 |
Granted publication date: 20140507 Termination date: 20151203 |
|
| EXPY | Termination of patent right or utility model |