CN204068196U - New-typed gasoline engine generating set protector - Google Patents
New-typed gasoline engine generating set protector Download PDFInfo
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- CN204068196U CN204068196U CN201420370768.3U CN201420370768U CN204068196U CN 204068196 U CN204068196 U CN 204068196U CN 201420370768 U CN201420370768 U CN 201420370768U CN 204068196 U CN204068196 U CN 204068196U
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Abstract
A kind of new-typed gasoline engine generating set protector, is made up of rectification circuit, voltage stabilizing circuit, testing circuit, Phototube Coupling controller and flameout control circuit; The input of described rectification circuit is connected with the ac output end of generating set; The output of rectification circuit is connected with voltage stabilizing circuit and testing circuit respectively; Voltage stabilizing circuit is used for providing a constant voltage; Testing circuit is used for providing a control high level; Constant voltage and control high level and be connected with the power input of Phototube Coupling controller and control input end respectively; The output of Phototube Coupling controller is connected with flameout control circuit, and when Phototube Coupling controller does not work, flameout control circuit is failure to actuate; When Phototube Coupling controller works, flameout control circuit controls generating set and stops working.Advantageous Effects of the present utility model is: can play a protective role to electrical appliance and generating set when generating set overvoltage simultaneously, reaction sensitivity is high, volume is little, structure is simple, with low cost.
Description
Technical field
The utility model relates to a kind of generating set protector, particularly relates to a kind of new-typed gasoline engine generating set protector.
Background technology
Generating set protector is the usual means on existing gasoline engine generating set, and its effect is when generating set output overvoltage or overcurrent, cuts off output loop, plays a protective role to electrical appliance; Problems existing has: existing generating set protector all adopts mechanical relay to realize; reaction sensitivity is lower; and cost is high, volume is large; there is mechanical wear, in addition, mechanical relay can only cut off output loop; can not play a protective role to generating set itself; after output loop cuts off by relay, generating set itself is still in overvoltage or over-current state, and the voltage regulator of final generating set or rotor coil can burn out because temperature rise is excessive.
Utility model content
For the problem in background technology, the utility model proposes a kind of new-typed gasoline engine generating set protector, its structure is: described new-typed gasoline engine generating set protector is made up of rectification circuit, voltage stabilizing circuit, testing circuit, Phototube Coupling controller and flameout control circuit; The input of described rectification circuit is connected with the ac output end of generating set, and it is direct current that rectification circuit is used for AC conversion; The output of described rectification circuit is connected with voltage stabilizing circuit and testing circuit respectively; The direct current of voltage stabilizing circuit to input carries out voltage stabilizing process, obtains a constant voltage; The DC voltage of testing circuit to input detects, when DC voltage is in setting range, and testing circuit no-output; When DC voltage surmounts setting range, testing circuit conducting, now, testing circuit exports one and controls high level; Described constant voltage and control high level and be connected with the power input of Phototube Coupling controller and control input end respectively; When testing circuit no-output, Phototube Coupling controller does not work; When testing circuit exports high level, Phototube Coupling controller works; The output of Phototube Coupling controller is connected with flameout control circuit, and when Phototube Coupling controller does not work, flameout control circuit is failure to actuate; When Phototube Coupling controller works, flameout control circuit controls generating set and stops working.
Operation principle of the present utility model is adjoint in aforesaid scheme introduction to be described, do not repeat them here, innovative point of the present utility model is the protector generating set protector of mechanical relay formula in prior art being replaced with whole circuit realization, compared to prior art, the protector that whole circuit of the present utility model realizes has higher reaction sensitivity, volume is also less, cost is also lower, what is more important, the utility model is when shielding, generating set is directly made to stop working, this not only serves protective effect to electrical appliance, and also protective effect is served to generating set itself simultaneously, the defect that the protector solving prior art can only be protected electrical appliance.
Preferably; described new-typed gasoline engine generating set protector is integrated with overload detection circuit; the input of described overload detection circuit is connected with the overload detection point on generating set, and the output of overload detection circuit is connected with the control input end of Phototube Coupling controller.Due to the output of overload detection circuit and the control input end short circuit of Phototube Coupling controller; then overload detection circuit and testing circuit all can trigger the work of Phototube Coupling controller; as long as the arbitrary situation in overload and overvoltage appears in generating set, protector all can play a protective role.
Preferably, described new-typed gasoline engine generating set protector is integrated with engine oil level testing circuit, and engine oil level testing circuit is connected with flameout control circuit.Engine oil level testing circuit is detected by the engine oil quantity of fuel level sensor to generating set power; when low on fuel; engine oil level testing circuit directly triggers flameout control circuit makes generating set stop working, and on the basis of aforementioned schemes, this improvement further enhancing the function of protector.
For aforementioned schemes, inventor proposes following preferred implementing circuit: described new-typed gasoline engine generating set protector is made up of rectifier bridge, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity, the first voltage stabilizing didoe, the second voltage stabilizing didoe, the 3rd voltage stabilizing didoe, the first diode, the second diode, the 3rd diode, triode, photoisolator, flameout circuit and controllable silicon two; The input of described rectifier bridge is connected with the ac output end of generating set, and alternating current is converted to direct current by rectifier bridge; The output of rectifier bridge is connected with node one; One end of first resistance is connected with node one, and the other end of the first resistance is connected with node two; The positive pole of the first electric capacity is connected with node one, the minus earth of the first electric capacity, and the positive pole of the first voltage stabilizing didoe is connected with the negative pole of the first electric capacity, and the negative pole of the first voltage stabilizing didoe is connected with node two; One end of 3rd resistance is connected with node one, the other end of the 3rd resistance is connected with node three, the negative pole of the second voltage stabilizing didoe is connected with node three, and the positive pole of the second voltage stabilizing didoe is connected with the positive pole of the first diode, and the negative pole of the first diode is connected with node four; One end of second resistance is connected with node three, the other end ground connection of the second resistance; The positive pole of the second electric capacity is connected with node four, the minus earth of the second electric capacity; The base stage of triode is connected with node four, and the collector electrode of triode and node two form the two poles of photoisolator respectively; The grounded emitter of triode; The negative pole of the second diode is connected with node four, and the positive pole of the second diode is connected with the positive pole of the 3rd voltage stabilizing didoe, and the negative pole of the 3rd voltage stabilizing didoe is connected with node five; One end of 4th resistance is connected with node five, and the other end of the 4th resistance is connected with the overload detection point on generating set; One end of 5th resistance is connected with node five, the other end ground connection of the 5th resistance; Two outputs of photoisolator are connected with node six and node seven respectively; The input part of flameout circuit is connected with node six, the control part of flameout circuit and the elementary electrical connection of generating set ignition coil; The positive pole of the 3rd diode is connected with node six, and the negative pole of the 3rd diode is connected with the anode of controllable silicon two, and the control pole of controllable silicon two is connected with node seven, and the negative electrode of controllable silicon two connects externally; Described first electric capacity and the second electric capacity are polar capacitor.
For aforesaid flameout circuit, inventor proposes following preferably implementing circuit: described flameout circuit is made up of the 6th resistance, the 7th resistance, controllable silicon one, the 3rd electric capacity, the 4th electric capacity and the 4th diode; One end of 6th resistance is connected with node six, and the other end of the 6th resistance is connected with node eight; The negative electrode of controllable silicon one is connected with node eight, and the control pole of controllable silicon one is connected with node nine, and the anode of controllable silicon one connects externally; One end of 3rd electric capacity is connected with node eight, and the other end of the 3rd electric capacity is connected with node nine; One end of 7th resistance is connected with node nine, and the other end of the 7th resistance is connected with node ten; The positive pole of the 4th electric capacity is connected with node ten, and the negative pole of the 4th electric capacity is connected with node six; The negative pole of the 4th diode is connected with node ten, and the positive pole of the 4th diode is connected with node eight, and node eight is connected to generating set and stops working line; Described 4th electric capacity is polar capacitor, and described 3rd electric capacity is nonpolar electric capacity.
Advantageous Effects of the present utility model is: can play a protective role to electrical appliance and generating set when generating set overvoltage simultaneously, reaction sensitivity is high, volume is little, structure is simple, with low cost.
Accompanying drawing explanation
Fig. 1, electronic schematic diagram of the present utility model;
Fig. 2, a kind of specific implementation circuit of the present utility model;
The concrete implementing circuit of one of Fig. 3, flameout circuit;
In figure each mark corresponding to title be respectively: rectification circuit A, voltage stabilizing circuit B, testing circuit C, Phototube Coupling controller D, flameout control circuit E, overload detection circuit F, fuel level in tank testing circuit G, fuel level sensor H, the ac output end I of generating set, overload detection point J, rectifier bridge D1, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, 7th resistance R7, first electric capacity C1, second electric capacity C2, 3rd electric capacity C3, 4th electric capacity C4, first voltage stabilizing didoe d1, second voltage stabilizing didoe d2, 3rd voltage stabilizing didoe d3, first diode d4, second diode d5, 3rd diode d6, 4th diode d7, triode Q1, photoisolator U1, flameout circuit U2, controllable silicon one SCR1, controllable silicon two SCR2.
Embodiment
A kind of new-typed gasoline engine generating set protector, is made up of rectification circuit A, voltage stabilizing circuit B, testing circuit C, Phototube Coupling controller D and flameout control circuit E; The described input of rectification circuit A is connected with the ac output end of generating set, and it is direct current that rectification circuit A is used for AC conversion; The output of described rectification circuit A is connected with voltage stabilizing circuit B and testing circuit C respectively; The direct current of voltage stabilizing circuit B to input carries out voltage stabilizing process, obtains a constant voltage; The DC voltage of testing circuit C to input detects, when DC voltage is in setting range, and testing circuit C no-output; When DC voltage surmounts setting range, testing circuit C conducting, now, testing circuit C exports one and controls high level; Described constant voltage and control high level and be connected with the power input of Phototube Coupling controller D and control input end respectively; When testing circuit C no-output, Phototube Coupling controller D does not work; When testing circuit C exports high level, Phototube Coupling controller D works; The output of Phototube Coupling controller D is connected with flameout control circuit E, and when Phototube Coupling controller D does not work, flameout control circuit E is failure to actuate; When Phototube Coupling controller D works, flameout control circuit E controls generating set and stops working.
Further; described new-typed gasoline engine generating set protector is integrated with overload detection circuit F; the input of described overload detection circuit F is connected with the overload detection point on generating set, and the output of overload detection circuit F is connected with the control input end of Phototube Coupling controller.
Further, described new-typed gasoline engine generating set protector is integrated with engine oil level testing circuit G, and engine oil level testing circuit G is connected with flameout control circuit E.
Further, described new-typed gasoline engine generating set protector is made up of rectifier bridge D1, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the first electric capacity C1, the second electric capacity C2, the first voltage stabilizing didoe d1, the second voltage stabilizing didoe d2, the 3rd voltage stabilizing didoe d3, the first diode d4, the second diode d5, the 3rd diode d6, triode Q1, photoisolator U1, flameout circuit U2 and controllable silicon two SCR2; The described input of rectifier bridge D1 is connected with the ac output end of generating set, and alternating current is converted to direct current by rectifier bridge D1; The output of rectifier bridge D1 is connected with node 1; One end of first resistance R1 is connected with node 1, and the other end of the first resistance R1 is connected with node 22; The positive pole of the first electric capacity C1 is connected with node 1, the minus earth of the first electric capacity C1, and the positive pole of the first voltage stabilizing didoe d1 is connected with the negative pole of the first electric capacity C1, and the negative pole of the first voltage stabilizing didoe d1 is connected with node 22; One end of 3rd resistance R3 is connected with node 1, the other end of the 3rd resistance R3 is connected with node 33, the negative pole of the second voltage stabilizing didoe d2 is connected with node 33, and the positive pole of the second voltage stabilizing didoe d2 is connected with the positive pole of the first diode d4, and the negative pole of the first diode d4 is connected with node 44; One end of second resistance R2 is connected with node 33, the other end ground connection of the second resistance R2; The positive pole of the second electric capacity C2 is connected with node 44, the minus earth of the second electric capacity C2; The base stage of triode Q1 is connected with node 44, and the collector electrode of triode Q1 and node 22 form the two poles of photoisolator U1 respectively; The grounded emitter of triode Q1; The negative pole of the second diode d5 is connected with node 44, and the positive pole of the second diode d5 is connected with the positive pole of the 3rd voltage stabilizing didoe d3, and the negative pole of the 3rd voltage stabilizing didoe d3 is connected with node 55; One end of 4th resistance R4 is connected with node 55, and the other end of the 4th resistance R4 is connected with the overload detection point on generating set; One end of 5th resistance R5 is connected with node 55, the other end ground connection of the 5th resistance R5; Two outputs of photoisolator U1 are connected with node 66 and node 77 respectively; The input part of flameout circuit U2 is connected with node 66, the control part of flameout circuit U2 and the elementary electrical connection of generating set ignition coil; The positive pole of the 3rd diode d6 is connected with node 66, and the negative pole of the 3rd diode d6 is connected with the anode of controllable silicon two SCR2, and the control pole of controllable silicon two SCR2 is connected with node 77, and the negative electrode of controllable silicon two SCR2 connects externally; Described first electric capacity C1 and the second electric capacity C2 is polar capacitor.
The principle of aforementioned circuit is: rectifier bridge D1 is rectification circuit A; Namely first resistance R1, the first electric capacity C1 and the first voltage stabilizing didoe d1 define voltage stabilizing circuit B; Namely second resistance R2, the 3rd resistance R3, the second voltage stabilizing didoe d2 and the first diode d4 form testing circuit C; Namely second electric capacity C2, triode Q1 and photoisolator U1 form Phototube Coupling controller D; Namely flameout circuit U2, the 3rd diode d6 and controllable silicon two SCR2 form flameout control circuit E; Namely 4th resistance R4, the 5th resistance R5, the 3rd voltage stabilizing didoe d3 and the second diode d5 form overload detection circuit F;
Overvoltage protection process: when generating set output voltage raises, the pulsating voltage at node 33 place also can correspondingly raise, (conducting voltage of the second voltage stabilizing didoe d2 is less than) when the pulsating voltage at node 33 place is in setting range, second voltage stabilizing didoe d2 is in cut-off state, and photoisolator does not work; After the pulsating voltage at node 33 place is greater than the conducting voltage of the second voltage stabilizing didoe d2, second voltage stabilizing didoe d2 conducting, second electric capacity C2 starts charging, after the voltage on the second electric capacity C2 is elevated to and makes triode Q1 saturation conduction, and triode Q1 conducting ground connection, photoisolator U1 works, node 77 place voltage raises, thus makes controllable silicon two SCR2 to externally conducting, and node 66 place voltage is dragged down thereupon, thus trigger flameout control circuit E work, realize generating set and stop working.
Overload protection process: during generating set output overloading, the voltage being connected to the overload detection point place on overload detection circuit F input can corresponding rising, thus cause the voltage at node 55 place also to increase, identically with the second voltage stabilizing didoe d2 operation principle, when node 55 place voltage is less than the conducting voltage of the 3rd voltage stabilizing didoe d3, 3rd voltage stabilizing didoe d3 ends, when node 55 place voltage is greater than the conducting voltage of the 3rd voltage stabilizing didoe d3, 3rd voltage stabilizing didoe d3 conducting, second electric capacity C2 starts charging, after the voltage on the second electric capacity C2 is elevated to and makes triode Q1 saturation conduction, triode Q1 conducting ground connection, photoisolator U1 starts, node 77 place voltage raises, thus make controllable silicon two SCR2 to externally conducting, node 66 place voltage is dragged down thereupon, thus trigger flameout control circuit E work, realize generating set to stop working.
Further, described flameout circuit U2 is made up of the 6th resistance R6, the 7th resistance R7, controllable silicon one SCR1, the 3rd electric capacity C3, the 4th electric capacity C4 and the 4th diode d7; One end of 6th resistance R6 is connected with node 66, and the other end of the 6th resistance R6 is connected with node 88; The negative electrode of controllable silicon one SCR1 is connected with node 88, and the control pole of controllable silicon one SCR1 is connected with node 99, and the anode of controllable silicon one SCR1 connects externally; One end of 3rd electric capacity C3 is connected with node 88, and the other end of the 3rd electric capacity C3 is connected with node 99; One end of 7th resistance R7 is connected with node 99, and the other end of the 7th resistance R7 is connected with node 10; The positive pole of the 4th electric capacity C4 is connected with node 10, and the negative pole of the 4th electric capacity C4 is connected with node 66; The negative pole of the 4th diode d7 is connected with node 10, and the positive pole of the 4th diode d7 is connected with node 88, and node 88 is connected to generating set and stops working line; Described 4th electric capacity C4 is polar capacitor, and described 3rd electric capacity C3 is nonpolar electric capacity.
The course of action introduction of each element in flameout circuit U2:
Voltage pulse waveforms on flame-out line is: first more just bearing just afterwards.I.e. first positive voltage pulse, then be negative voltage pulse, be again finally positive voltage pulse.Wherein, negative voltage pulse magnitude of voltage, apparently higher than positive voltage pulse, is firing pulse.
1, overvoltage, overload protection are stopped working process: when photoisolator U1 works; controllable silicon two SCR2 is to externally conducting, and diode D6 cathode voltage is dragged down, and and then node 66 voltage is also dragged down; in electric capacity C4 access circuit, the positive voltage pulse on flame-out line starts to charge to C4.Along with the charging of electric capacity C4, node 10 voltage raises gradually, when node ten voltage be elevated to be enough to make controllable silicon one SCR1 conducting time controllable silicon one SCR1 conducting, node 88, to outside ground short circuit, makes the generating set negative voltage pulse stopped working on line be shorted to externally thus realizes flame-out.Then, follow negative voltage pulse arrival positive voltage pulse closely and make controllable silicon one SCR1 anode and cathode voltage upset, controllable silicon one SCR1 recovers not on-state, waits for that pulse next time arrives.
2, the very few protection of machine oil is stopped working process: when the very few fuel level sensor of machine oil is to externally conducting, and diode D6 negative terminal is with externally short circuit, and node 66 voltage drags down.Similarly, in electric capacity C4 access circuit.The generating set positive voltage pulse stopped working on line starts charging.Along with the charging of electric capacity C4, node 10 voltage raises gradually, when node ten voltage be elevated to be enough to make controllable silicon one SCR1 conducting time, controllable silicon one SCR1 is to externally conducting.It is flame-out that SCR1 makes the generating set negative voltage pulse stopped working on line be shorted to externally realization to externally conducting.Then, follow negative voltage pulse arrival positive voltage pulse closely and make controllable silicon one SCR1 anode and cathode voltage upset, controllable silicon one SCR1 recovers not on-state, waits for that pulse next time arrives.
Claims (5)
1. a new-typed gasoline engine generating set protector, is characterized in that: described new-typed gasoline engine generating set protector is made up of rectification circuit (A), voltage stabilizing circuit (B), testing circuit (C), Phototube Coupling controller (D) and flameout control circuit (E);
The input of described rectification circuit (A) is connected with the ac output end of generating set, and rectification circuit (A) is for being direct current by AC conversion; The output of described rectification circuit (A) is connected with voltage stabilizing circuit (B) and testing circuit (C) respectively;
The direct current of voltage stabilizing circuit (B) to input carries out voltage stabilizing process, obtains a constant voltage;
The DC voltage of testing circuit (C) to input detects, when DC voltage is in setting range, and testing circuit (C) no-output; When DC voltage surmounts setting range, testing circuit (C) conducting, now, testing circuit (C) exports a control high level;
Described constant voltage and control high level and be connected with the power input of Phototube Coupling controller (D) and control input end respectively; When testing circuit (C) no-output, Phototube Coupling controller (D) does not work; When testing circuit (C) exports high level, Phototube Coupling controller (D) works;
The output of Phototube Coupling controller (D) is connected with flameout control circuit (E), and when Phototube Coupling controller (D) does not work, flameout control circuit (E) is failure to actuate; When Phototube Coupling controller (D) works, flameout control circuit (E) controls generating set and stops working.
2. new-typed gasoline engine generating set protector according to claim 1; it is characterized in that: described new-typed gasoline engine generating set protector is integrated with overload detection circuit (F); the input of described overload detection circuit (F) is connected with the overload detection point on generating set, and the output of overload detection circuit (F) is connected with the control input end of Phototube Coupling controller (D).
3. new-typed gasoline engine generating set protector according to claim 2; it is characterized in that: described new-typed gasoline engine generating set protector is integrated with engine oil level testing circuit (G), and engine oil level testing circuit (G) is connected with flameout control circuit (E).
4. new-typed gasoline engine generating set protector according to claim 2, it is characterized in that: described new-typed gasoline engine generating set protector is by rectifier bridge (D1), first resistance (R1), second resistance (R2), 3rd resistance (R3), 4th resistance (R4), 5th resistance (R5), first electric capacity (C1), second electric capacity (C2), first voltage stabilizing didoe (d1), second voltage stabilizing didoe (d2), 3rd voltage stabilizing didoe (d3), first diode (d4), second diode (d5), 3rd diode (d6), triode (Q1), photoisolator (U1), flameout circuit (U2) and controllable silicon two (SCR2) composition,
The input of described rectifier bridge (D1) is connected with the ac output end of generating set, and alternating current is converted to direct current by rectifier bridge (D1); The output of rectifier bridge (D1) is connected with node one (1);
One end of first resistance (R1) is connected with node one (1), and the other end of the first resistance (R1) is connected with node two (2); The positive pole of the first electric capacity (C1) is connected with node one (1), the minus earth of the first electric capacity (C1), the positive pole of the first voltage stabilizing didoe (d1) is connected with the negative pole of the first electric capacity (C1), and the negative pole of the first voltage stabilizing didoe (d1) is connected with node two (2);
One end of 3rd resistance (R3) is connected with node one (1), the other end of the 3rd resistance (R3) is connected with node three (3), the negative pole of the second voltage stabilizing didoe (d2) is connected with node three (3), the positive pole of the second voltage stabilizing didoe (d2) is connected with the positive pole of the first diode (d4), and the negative pole of the first diode (d4) is connected with node four (4);
One end of second resistance (R2) is connected with node three (3), the other end ground connection of the second resistance (R2);
The positive pole of the second electric capacity (C2) is connected with node four (4), the minus earth of the second electric capacity (C2);
The base stage of triode (Q1) is connected with node four (4), and the collector electrode of triode (Q1) and node two (2) form the two poles of photoisolator (U1) respectively; The grounded emitter of triode (Q1);
The negative pole of the second diode (d5) is connected with node four (4), and the positive pole of the second diode (d5) is connected with the positive pole of the 3rd voltage stabilizing didoe (d3), and the negative pole of the 3rd voltage stabilizing didoe (d3) is connected with node five (5);
One end of 4th resistance (R4) is connected with node five (5), and the other end of the 4th resistance (R4) is connected with the overload detection point on generating set;
One end of 5th resistance (R5) is connected with node five (5), the other end ground connection of the 5th resistance (R5);
Two outputs of photoisolator (U1) are connected with node six (6) and node seven (7) respectively;
The control part of flameout circuit (U2) is connected with node six (6), the control efferent of flameout circuit (U2) and the elementary electrical connection of generating set ignition coil;
The positive pole of the 3rd diode (d6) is connected with node six (6), the negative pole of the 3rd diode (d6) is connected with the anode of controllable silicon two (SCR2), the control pole of controllable silicon two (SCR2) is connected with node seven (7), and the negative electrode of controllable silicon two (SCR2) connects externally;
Described first electric capacity (C1) and the second electric capacity (C2) are polar capacitor.
5. new-typed gasoline engine generating set protector according to claim 4, is characterized in that: described flameout circuit (U2) is made up of the 6th resistance (R6), the 7th resistance (R7), controllable silicon one (SCR1), the 3rd electric capacity (C3), the 4th electric capacity (C4) and the 4th diode (d7);
One end of 6th resistance (R6) is connected with node six (6), and the other end of the 6th resistance (R6) is connected with node eight (8); The negative electrode of controllable silicon one (SCR1) is connected with node eight (8), and the control pole of controllable silicon one (SCR1) is connected with node nine (9), and the anode of controllable silicon one (SCR1) connects externally;
One end of 3rd electric capacity (C3) is connected with node eight (8), and the other end of the 3rd electric capacity (C3) is connected with node nine (9);
One end of 7th resistance (R7) is connected with node nine (9), and the other end of the 7th resistance (R7) is connected with node ten (10);
The positive pole of the 4th electric capacity (C4) is connected with node ten (10), and the negative pole of the 4th electric capacity (C4) is connected with node six (6);
The negative pole of the 4th diode (d7) is connected with node ten (10), and the positive pole of the 4th diode (d7) is connected with node eight (8), and node eight (8) is connected to generating set and stops working line;
Described 4th electric capacity (C4) is polar capacitor, and described 3rd electric capacity (C3) is nonpolar electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370768.3U CN204068196U (en) | 2014-07-07 | 2014-07-07 | New-typed gasoline engine generating set protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420370768.3U CN204068196U (en) | 2014-07-07 | 2014-07-07 | New-typed gasoline engine generating set protector |
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| Publication Number | Publication Date |
|---|---|
| CN204068196U true CN204068196U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420370768.3U Withdrawn - After Issue CN204068196U (en) | 2014-07-07 | 2014-07-07 | New-typed gasoline engine generating set protector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037726B (en) * | 2014-07-07 | 2017-01-25 | 重庆瑜欣平瑞电子有限公司 | Novel protector for gasoline engine generator set |
-
2014
- 2014-07-07 CN CN201420370768.3U patent/CN204068196U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037726B (en) * | 2014-07-07 | 2017-01-25 | 重庆瑜欣平瑞电子有限公司 | Novel protector for gasoline engine generator set |
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Granted publication date: 20141231 Effective date of abandoning: 20170125 |
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