CN104752041A - Small-invasion self-control transformer - Google Patents
Small-invasion self-control transformer Download PDFInfo
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- CN104752041A CN104752041A CN201510167009.6A CN201510167009A CN104752041A CN 104752041 A CN104752041 A CN 104752041A CN 201510167009 A CN201510167009 A CN 201510167009A CN 104752041 A CN104752041 A CN 104752041A
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Abstract
The invention discloses a small-invasion self-control transformer. The small-invasion self-control transformer comprises a housing, an iron coil coiled with a high voltage coil and a low voltage coil, and a controller, wherein the iron core and the controller are mounted in the housing; a high voltage binding post is arranged at one side of the upper outer part of the housing, and while a low voltage binding post is arranged at the other side of the upper outer part of the housing and connected with the high voltage coil through the controller; the low voltage binding post is connected with the low voltage coil through the controller; the iron core is of a structure in a shape of a Chinese character Ri (sun) and formed by three vertical columns which are 20 to 80cm in width; the space between the vertical columns is two times the width of the vertical columns, and the width of the upper sides and the lower sides is 1/2 of the width of the vertical columns. The small-invasion self-control transformer is reasonable in design, simple in structure, easy to be manufactured, safe and convenient to use, small in cost, small in height, light in weight, and high in power factor, can timely detect whether the transformer is in non-load state; the transformer in non-load state can be automatically stopped operating; the transformer can be safely and conveniently put into operation again.
Description
Technical field
The present invention relates to a kind of transformer, be specifically related to a kind of micro-damage automatic control transformer.
Background technology
Traditional distribution transformer, is generally vertical structure, does not all arrange automatic control equipment, and it has following defect or deficiency: 1, volume height is large, generally at about 2 meters; 2, weight is large, generally every square of sectional area about 4 kilograms; 3, power factor is low, generally about 0.8; 4, can not be automatically out of service when zero load, waste directly causing transformer and line loss.
Summary of the invention
Object of the present invention is exactly the defect existed for prior art, provides a kind of micro-damage automatic control transformer.
Its technical scheme is: micro-damage automatic control transformer, comprise housing, coil the iron core and the controller that have high-tension coil and low-voltage coil, iron core and controller are installed in housing, the outer side, top of housing is provided with high tension terminal, housing outer top opposite side is provided with low tension terminal, described high tension terminal is connected with high-tension coil by controller, and low tension terminal is connected with low-voltage coil by controller; Described iron core be three columns say font structure, the width of its column is 20-80 centimetres, and column spacing is 2 times of column width, and upper following width is 1/2 of column width; The height of described column is 30-90 centimetres.
Wherein, described three columns coil high-tension coil and low-voltage coil respectively, high-tension coil and low-voltage coil for point upper and lower independent disk around; The tail end of three high-tension coils connects, and the head end of three high-tension coils is three high voltage input terminal; The tail end of three low-voltage coils connects as low pressure exports zero line, and the head end of three low-voltage coils is that three low pressure export phase line.Described coiling has the iron core of high-tension coil and low-voltage coil to be fixedly connected on enclosure interior by non-magnet material.Described controller comprises control transformer, current transformer, resistance, electric capacity, diode, voltage stabilizing didoe, triode, adjustable resistance, storage battery, switch and relay, three high pressure phase lines of described high tension terminal are connected with three moved ends of relay first group of contact respectively, three Chang Kaiduan of relay first group of contact are connected with three high voltage input terminal of high-tension coil respectively, and three normal-closed ends of relay first group of contact are respectively by the first electric capacity, second electric capacity and the 3rd electric capacity are connected with the high-pressure side of control transformer, three low pressure of described three low-voltage coils export phase line and are connected with three Chang Kaiduan of relay second group of contact respectively, three moved ends of relay second group of contact are connected with three phase lines of low tension terminal respectively, three normal-closed ends of relay second group of contact export live wire with three low pressure of control transformer respectively and are connected, and described three low pressure export in phase line and are respectively equipped with the first current transformer, second current transformer and the 3rd current transformer, one end of described first current transformer is connected with the positive pole of the first diode, one end of second current transformer is connected with the positive pole of the second diode, one end of 3rd current transformer is connected with the positive pole of the 3rd diode, the negative pole of the first diode and the negative pole of the second diode, the negative pole of the 3rd diode, the negative pole of the 5th electric capacity and one end of the first resistance are connected, the other end of the first resistance is connected with one end of the negative pole of the first voltage stabilizing didoe and the first adjustable resistance, the other end of the first adjustable resistance is connected with the base stage of the first triode, the collector electrode of the first triode and the collector electrode of the second triode, the positive pole of the 8th diode, one end of the time relay and one end of relay are connected, the base stage of the second triode is connected with the collector electrode of the 3rd triode and one end of time relay normally-closed contact, the other end of time relay normally-closed contact is connected with one end of the second resistance, the base stage of the 3rd triode is connected with one end of the 6th electric capacity and one end of the second adjustable resistance, the other end of the second adjustable resistance passes through the negative pole of the 3rd resistance and the 4th diode, the negative pole of the 5th diode and the negative pole of the 6th diode are connected, the positive pole of the 4th diode, the positive pole of the 5th diode and the positive pole of the 6th diode export live wire with three low pressure of control transformer respectively and are connected, the other end of described second resistance and the negative pole of the 8th diode, the other end of the time relay, the other end of relay and one end of switch are connected, the other end of switch is connected with one end of the positive pole of storage battery and the 4th resistance, the other end of the 4th resistance is connected with the negative pole of the positive pole of the 7th electric capacity and the 7th diode, the positive pole of the 7th diode is connected with one end of the negative pole of the second voltage stabilizing didoe and the 4th electric capacity, the other end of the 4th electric capacity connects a low pressure and exports phase line, described low pressure exports zero line and control transformer and exports zero line, the zero line of low tension terminal, the other end of the first current transformer, the other end of the second current transformer, the other end of the 3rd current transformer, the positive pole of the first voltage stabilizing didoe, the positive pole of the second voltage stabilizing didoe, the emitter of the first triode, the emitter of the second triode, the emitter of the 3rd triode, the other end of the 6th electric capacity, the negative pole of the 7th electric capacity and the negative pole of storage battery and be connected.Described control transformer adopts high-pressure side voltage identical with the input voltage of high tension terminal, and its output low pressure exports live wire and the voltage exported between zero line is set to 10-20V, and the power of control transformer is 2-4W.The voltage stabilizing value of described first voltage stabilizing didoe is 13.5V, and the voltage stabilizing value of the second voltage stabilizing didoe is 6V; Described first current transformer, the second current transformer and the 3rd current transformer all adopt the one in 5/50,5/150 or 5/300; The voltage of described storage battery is 12V; The model of the described first to the 8th diode is 1N4007; The model of the described first to the 3rd triode is 8050; The capacity of the described first to the 3rd electric capacity is 0.047u, is withstand voltagely greater than 10KV, and the capacity of the 4th electric capacity is 0.47u, withstand voltage is 630V, and the capacity of the 5th electric capacity is 100u, is withstand voltagely greater than 50V, the capacity of the 6th electric capacity is 0.01u, and the capacity of the 7th electric capacity is 470u, and withstand voltage is 50V; The resistance of described first resistance is 5.1K, and the resistance of the second resistance is 10K, and the resistance of the 3rd resistance is 10K, and the resistance of the 4th resistance is 10 Ω, and power is greater than 2W, and the resistance of the first adjustable resistance and the second adjustable resistance is 100K; Described relay be have two groups of contacts low-voltage direct control high-pressure vacuum contactor, its often group be provided with three contacts.Described switch-linear hybrid is in outside.
The present invention compared with prior art, have the following advantages: reasonable in design, safe and convenient to use, energy-conserving and environment-protective, volume is little, lightweight, power factor is high, can detect that whether transformer is unloaded in time, and the transformer of zero load is automatically out of service and again can drop into transformer and run by safe ready.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is the structural representation that mesohigh coil of the present invention and low-voltage coil are coiled on iron core;
Fig. 3 is the circuit theory diagrams of an embodiment of the present invention.
Embodiment
With reference to Fig. 1-Fig. 3, a kind of micro-damage automatic control transformer, comprise housing 1, coil the iron core 4 and the controller 5 that have high-tension coil 2 and low-voltage coil 3, iron core 4 and controller 5 are installed in housing 1, side, housing 1 outer top is provided with high tension terminal 6, housing 1 outer top opposite side is provided with low tension terminal 7, and described high tension terminal 6 is connected with high-tension coil 2 by controller 5, and low tension terminal 7 is connected with low-voltage coil 7 by controller 5; Described iron core 4 be three columns say font structure, the width of its column 41 is 20-80 centimetres, and column 41 spacing is 2 times of column width, and the upper width of following 42 is 1/2 of column width; The height of described column 41 is 30-90 centimetres.Described three columns 41 coil high-tension coil 2 and low-voltage coil 3 respectively, high-tension coil 2 and low-voltage coil 3 for point upper and lower independent disk around; The tail end of three high-tension coils 2 connects, and the head end of three high-tension coils 2 is three high voltage input terminal A1, B1, C1; The tail end of three low-voltage coils 3 connects as low pressure exports zero line N, and the head end of three low-voltage coils 3 is that three low pressure export phase line A, B, C.It is inner that described coiling has the iron core 4 of high-tension coil 2 and low-voltage coil 3 to be fixedly connected on housing 1 by non-magnet material, makes iron core 1 form magnetic suspension state with the earth.Described controller 5 comprises control transformer BL, current transformer L1-L3, resistance R1-R4, electric capacity C1-C7, diode D1-D7, voltage stabilizing didoe DW1-DW2, triode T1-T3, adjustable resistance W1-W2, storage batteries D C, K switch and relay J, three high pressure phase line AA of described high tension terminal 6, BB, CC is connected with three moved ends of relay first group of contact J-1 respectively, three Chang Kaiduan of relay first group of contact J-1 respectively with three high voltage input terminal A1 of high-tension coil 2, B1, C1 is connected, and three normal-closed ends of relay first group of contact J-1 are respectively by the first electric capacity C1, second electric capacity C2 and the 3rd electric capacity C3 is connected with the high-pressure side of control transformer BL, and three low pressure of described three low-voltage coils 3 export phase line A, B, C is connected with three Chang Kaiduan of relay second group of contact J-2 respectively, three moved ends of relay second group of contact J-2 respectively with three phase line A2 of low tension terminal 7, B2, C2 is connected, and three normal-closed ends of relay second group of contact J-2 export live wire with three low pressure of control transformer BL respectively and are connected, and described three low pressure export phase line A, B, C is respectively equipped with the first current transformer L1, second current transformer L2 and the 3rd current transformer L3, one end of described first current transformer L1 is connected with the positive pole of the first diode D1, one end of second current transformer L2 is connected with the positive pole of the second diode D2, one end of 3rd current transformer L3 is connected with the positive pole of the 3rd diode D3, the negative pole of the first diode D1 and the negative pole of the second diode D2, the negative pole of the 3rd diode D3, the negative pole of the 5th electric capacity C5 and one end of the first resistance R1 are connected, the other end of the first resistance R1 is connected with one end of the negative pole of the first voltage stabilizing didoe DW1 and the first adjustable resistance W1, the other end of the first adjustable resistance W1 is connected with the base stage of the first triode T1, the collector electrode of the first triode T1 and the collector electrode of the second triode T2, the positive pole of the 8th diode D8, one end of time relay JS and one end of relay J are connected, the base stage of the second triode T2 is connected with one end of the collector electrode of the 3rd triode T3 and time relay normally-closed contact JS-1, the other end of time relay normally-closed contact JS-1 is connected with one end of the second resistance R2, the base stage of the 3rd triode T3 is connected with one end of one end of the 6th electric capacity C6 and the second adjustable resistance W2, the other end of the second adjustable resistance W2 passes through the negative pole of the 3rd resistance R4 and the 4th diode D4, the negative pole of the 5th diode D5 and the negative pole of the 6th diode D6 are connected, the positive pole of the 4th diode D4, the positive pole of the 5th diode D5 and the positive pole of the 6th diode D6 export live wire with three low pressure of control transformer BL respectively and are connected, the other end of described second resistance R2 and the negative pole of the 8th diode D8, the other end of time relay JS, the other end of relay J and one end of K switch are connected, the other end of K switch is connected with one end of the positive pole of storage batteries D C and the 4th resistance R4, the other end of the 4th resistance R4 is connected with the negative pole of the positive pole of the 7th electric capacity C7 and the 7th diode D7, the positive pole of the 7th diode D7 is connected with one end of the negative pole of the second voltage stabilizing didoe W2 and the 4th electric capacity C4, the other end of the 4th electric capacity C4 connects a low pressure and exports phase line, described low pressure exports zero line N and control transformer exports zero line N1, the zero line N2 of low tension terminal 7, the other end of the first current transformer L1, the other end of the second current transformer L2, the other end of the 3rd current transformer L3, the positive pole of the first voltage stabilizing didoe DW1, the positive pole of the second voltage stabilizing didoe DW2, the emitter of the first triode T1, the emitter of the second triode T2, the emitter of the 3rd triode T3, the other end of the 6th electric capacity C6, the negative pole of the 7th electric capacity C7 and the negative pole of storage batteries D C are connected.Described control transformer BL adopts high-pressure side voltage identical with the input voltage of high tension terminal 6, and its output low pressure exports live wire and the voltage exported between zero line N1 is set to 10-20V, and the power of control transformer BL is 2-4W.The voltage stabilizing value of described first voltage stabilizing didoe DW1 is 13.5V, and the voltage stabilizing value of the second voltage stabilizing didoe DW2 is 6V; Described first current transformer L1, the second current transformer L2 and the 3rd current transformer L3 all adopt the one in 5/50,5/150 or 5/300; The voltage of described storage batteries D C is 12V; The model of described first to the 8th diode D1-D8 is 1N4007; The model of described first to the 3rd triode T1-T3 is 8050; The capacity of the described first to the 3rd electric capacity C1C3 is 0.047u, is withstand voltagely greater than 10KV, and the capacity of the 4th electric capacity C4 is 0.47u, withstand voltage is 630V, and the capacity of the 5th electric capacity C5 is 100u, is withstand voltagely greater than 50V, the capacity of the 6th electric capacity C6 is 0.01u, and the capacity of the 7th electric capacity C7 is 470u, and withstand voltage is 50V; The resistance of described first resistance R1 is 5.1K, and the resistance of the second resistance R2 is 10K, and the resistance of the 3rd resistance R3 is 10K, and the resistance of the 4th resistance R4 is 10 Ω, and power is greater than 2W, and the resistance of the first adjustable resistance W1 and the second adjustable resistance W2 is 100K; Described relay J be have two groups of contacts low-voltage direct control high-pressure vacuum contactor, its often group be provided with three contacts.It is outside that described K switch is arranged on housing 1, convenient switching manipulation of installing rear controller 5.
During operation, first closing switch K, installs this micro-damage automatic control transformer, the low tension terminal 7 on outer for housing 1 top is connected electricity consumption subscriber's line, high tension terminal 6 is connected high-tension line, then opening switch K.Basis micro-damage automatic control transformer of firm installation, when electricity consumption subscriber's line does not have load, it is in power save mode, the power supply of high tension terminal 6 passes through three moved ends and three normal-closed ends of relay first group of contact J-1, first electric capacity C1, second electric capacity C2 and the 3rd electric capacity C3 provides high voltage source to control transformer BL, three low pressure of control transformer BL export live wire, respectively by the 4th diode D4, 5th diode D5 and the 6th diode D6 rectification, and provide bias voltage to the 3rd triode T3 by the 3rd resistance R3 and the second adjustable resistance W2, 3rd triode T3 conducting, second triode T2 ends, now because electricity consumption subscriber's line does not have load, therefore, the all non-inductive voltage of first current transformer L1, the second current transformer L2 and the 3rd current transformer L3 produces, first triode T1 ends, relay J is failure to actuate, three low pressure of control transformer BL are exported live wires and are connected with three phase line A2, B2, C2 of low tension terminal 7 respectively by three normal-closed ends of relay second group of contact J-2 and three moved ends thereof, namely connect electricity consumption subscriber's line.When user power utilization, no matter electricity consumption is at three phase line A2 of low tension terminal 7, B2, any phase in C2 or heterogeneous on, the voltage that then three low pressure of control transformer BL export between live wire and its zero line N1 can reduce rapidly, the 3rd triode T3 is caused to end, second triode T2 obtains bias voltage conducting by the second resistance R2, relay J action, relay first group of contact J-1 and second group contact J-2 overturns, three high pressure phase line AA of high tension terminal 6, BB, CC respectively power supply is three high voltage input terminal A1 to the head end of three high-tension coils 2 by three moved ends of relay first group of contact J-1 and three Chang Kaiduan, B1, C1 provides power supply, three low pressure of three low-voltage coils 3 export phase line A, B, three Chang Kaiduans of C respectively by relay second group of contact J-2 and three phase line A2 of moved end connection low tension terminal 7 thereof, B2, C2, connect the out-put supply of electricity consumption subscriber's line, this micro-damage automatic control transformer normally works, at this moment, three low pressure output live wires of control transformer BL lose high voltage supply and quit work.In first current transformer L1, the second current transformer L2 and the 3rd current transformer L3, namely have 1-3 and induce voltage, this induced voltage is after the first to the 3rd diode rectification, the 5th capacitor filtering, there is provided bias voltage to the first triode T1 by the first resistance R1 and the first adjustable resistance W1, first triode T1 conducting, maintain the adhesive of relay J, the time relay JS of relay J two ends parallel connection works and starts timing, after certain hour (being set to 2-5 seconds), time relay normally-closed contact JS-1 disconnects.After the electricity consumption of electricity consumption subscriber's line, when all electrical appliances all quit work, induce loss of voltage in the first current transformer L1, the second current transformer L2 and the 3rd current transformer L3, the first triode T1 ends, relay J and time relay J S all reset, and return power save mode.When have user again electricity consumption time, repeat said process.
In the present invention, the effect of the first described voltage stabilizing didoe DW1 is the base voltage of restriction first triode T1, punctures the first triode T1 when preventing user's electric current larger.The 4th described electric capacity C4, the second voltage stabilizing didoe DW2, the 7th diode and the 7th electric capacity C7, consist of the charging circuit of storage batteries D C, and the effect of the 4th resistance R4 is restriction charging current.The effect of the 6th electric capacity C6 is the base stage filtering for the 3rd triode T3.Adjust the resistance of the first adjustable resistance W1, adjustable first triode T1 can maintain user power utilization electric current less time stablize conducting, adjust the resistance of the second adjustable resistance W2, this device of adjustable is at the converting sensitivity from electricity-saving state to normal operating conditions.
The present invention is reasonable in design, safe and convenient to use, energy-conserving and environment-protective, volume is little, lightweight, power factor is high, can detect that whether transformer is unloaded in time, and the transformer of zero load is automatically out of service and again can drop into transformer and run by safe ready again.
Claims (7)
1. micro-damage automatic control transformer, comprise housing, coil the iron core and the controller that have high-tension coil and low-voltage coil, iron core and controller are installed in housing, the outer side, top of housing is provided with high tension terminal, housing outer top opposite side is provided with low tension terminal, it is characterized in that: described high tension terminal is connected with high-tension coil by controller, and low tension terminal is connected with low-voltage coil by controller; Described iron core be three columns say font structure, the width of its column is 20-80 centimetres, and column spacing is 2 times of column width, and upper following width is 1/2 of column width; The height of described column is 30-90 centimetres.
2. micro-damage automatic control transformer according to claim 1, is characterized in that: described three columns coil high-tension coil and low-voltage coil respectively, high-tension coil and low-voltage coil for point upper and lower independent disk around; The tail end of three high-tension coils connects, and the head end of three high-tension coils is three high voltage input terminal; The tail end of three low-voltage coils connects as low pressure exports zero line, and the head end of three low-voltage coils is that three low pressure export phase line.
3. micro-damage automatic control transformer according to claim 1, is characterized in that: described coiling has the iron core of high-tension coil and low-voltage coil to be fixedly connected on enclosure interior by non-magnet material.
4. micro-damage automatic control transformer according to claim 1, is characterized in that: described controller comprises control transformer, current transformer, resistance, electric capacity, diode, voltage stabilizing didoe, triode, adjustable resistance, storage battery, switch and relay, three high pressure phase lines of described high tension terminal are connected with three moved ends of relay first group of contact respectively, three Chang Kaiduan of relay first group of contact are connected with three high voltage input terminal of high-tension coil respectively, and three normal-closed ends of relay first group of contact are respectively by the first electric capacity, second electric capacity and the 3rd electric capacity are connected with the high-pressure side of control transformer, three low pressure of described three low-voltage coils export phase line and are connected with three Chang Kaiduan of relay second group of contact respectively, three moved ends of relay second group of contact are connected with three phase lines of low tension terminal respectively, three normal-closed ends of relay second group of contact export live wire with three low pressure of control transformer respectively and are connected, and described three low pressure export in phase line and are respectively equipped with the first current transformer, second current transformer and the 3rd current transformer, one end of described first current transformer is connected with the positive pole of the first diode, one end of second current transformer is connected with the positive pole of the second diode, one end of 3rd current transformer is connected with the positive pole of the 3rd diode, the negative pole of the first diode and the negative pole of the second diode, the negative pole of the 3rd diode, the negative pole of the 5th electric capacity and one end of the first resistance are connected, the other end of the first resistance is connected with one end of the negative pole of the first voltage stabilizing didoe and the first adjustable resistance, the other end of the first adjustable resistance is connected with the base stage of the first triode, the collector electrode of the first triode and the collector electrode of the second triode, the positive pole of the 8th diode, one end of the time relay and one end of relay are connected, the base stage of the second triode is connected with the collector electrode of the 3rd triode and one end of time relay normally-closed contact, the other end of time relay normally-closed contact is connected with one end of the second resistance, the base stage of the 3rd triode is connected with one end of the 6th electric capacity and one end of the second adjustable resistance, the other end of the second adjustable resistance passes through the negative pole of the 3rd resistance and the 4th diode, the negative pole of the 5th diode and the negative pole of the 6th diode are connected, the positive pole of the 4th diode, the positive pole of the 5th diode and the positive pole of the 6th diode export live wire with three low pressure of control transformer respectively and are connected, the other end of described second resistance and the negative pole of the 8th diode, the other end of the time relay, the other end of relay and one end of switch are connected, the other end of switch is connected with one end of the positive pole of storage battery and the 4th resistance, the other end of the 4th resistance is connected with the negative pole of the positive pole of the 7th electric capacity and the 7th diode, the positive pole of the 7th diode is connected with one end of the negative pole of the second voltage stabilizing didoe and the 4th electric capacity, the other end of the 4th electric capacity connects a low pressure and exports phase line, described low pressure exports zero line and control transformer and exports zero line, the zero line of low tension terminal, the other end of the first current transformer, the other end of the second current transformer, the other end of the 3rd current transformer, the positive pole of the first voltage stabilizing didoe, the positive pole of the second voltage stabilizing didoe, the emitter of the first triode, the emitter of the second triode, the emitter of the 3rd triode, the other end of the 6th electric capacity, the negative pole of the 7th electric capacity and the negative pole of storage battery and be connected.
5. micro-damage automatic control transformer according to claim 4, it is characterized in that: described control transformer adopts high-pressure side voltage identical with the input voltage of high tension terminal, its output low pressure exports live wire and the voltage exported between zero line is set to 10-20V, and the power of control transformer is 2-4W.
6. micro-damage automatic control transformer according to claim 4, it is characterized in that: the voltage stabilizing value of described first voltage stabilizing didoe is 13.5V, the voltage stabilizing value of the second voltage stabilizing didoe is 6V; Described first current transformer, the second current transformer and the 3rd current transformer all adopt the one in 5/50,5/150 or 5/300; The voltage of described storage battery is 12V; The model of the described first to the 8th diode is 1N4007; The model of the described first to the 3rd triode is 8050; The capacity of the described first to the 3rd electric capacity is 0.047u, is withstand voltagely greater than 10KV, and the capacity of the 4th electric capacity is 0.47u, withstand voltage is 630V, and the capacity of the 5th electric capacity is 100u, is withstand voltagely greater than 50V, the capacity of the 6th electric capacity is 0.01u, and the capacity of the 7th electric capacity is 470u, and withstand voltage is 50V; The resistance of described first resistance is 5.1K, and the resistance of the second resistance is 10K, and the resistance of the 3rd resistance is 10K, and the resistance of the 4th resistance is 10 Ω, and power is greater than 2W, and the resistance of the first adjustable resistance and the second adjustable resistance is 100K; Described relay be have two groups of contacts low-voltage direct control high-pressure vacuum contactor, its often group be provided with three contacts.
7. micro-damage automatic control transformer according to claim 3, is characterized in that: described switch-linear hybrid is in outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167009.6A CN104752041A (en) | 2015-04-10 | 2015-04-10 | Small-invasion self-control transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510167009.6A CN104752041A (en) | 2015-04-10 | 2015-04-10 | Small-invasion self-control transformer |
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| Publication Number | Publication Date |
|---|---|
| CN104752041A true CN104752041A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510167009.6A Pending CN104752041A (en) | 2015-04-10 | 2015-04-10 | Small-invasion self-control transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237374A (en) * | 2018-08-24 | 2019-01-18 | 北京云狐时代科技有限公司 | A kind of lighting system for airport |
-
2015
- 2015-04-10 CN CN201510167009.6A patent/CN104752041A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237374A (en) * | 2018-08-24 | 2019-01-18 | 北京云狐时代科技有限公司 | A kind of lighting system for airport |
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