CN202159091U - Safe current prewarning device - Google Patents
Safe current prewarning device Download PDFInfo
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- CN202159091U CN202159091U CN2011202441867U CN201120244186U CN202159091U CN 202159091 U CN202159091 U CN 202159091U CN 2011202441867 U CN2011202441867 U CN 2011202441867U CN 201120244186 U CN201120244186 U CN 201120244186U CN 202159091 U CN202159091 U CN 202159091U
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Abstract
The utility model discloses a safe current prewarning device which uses a sensing device on a circuit board to sense a sensing circuit wound on the sensing device. The sensing device senses the electromagnetic amount of the sensing circuit and converts the electromagnetic quantity into voltage and current through the circuit board; the degree at which the loop approaches the current load is judged by the circuit according to the current area of a control unit selected by a user; the sounding of a buzzer and the shining of an LED display element are combined for warning to achieve a double current overload prewarning effect, so a double guarantee for safe electricity use is provided for the user before electricity use; besides, a power cord is electrically connected with a plurality of power supply ports, so that all users can know whether the current of the present supply port loop is safe or not through the prewarning device with the power supply ports, in the same loop and in different positions, connected therewith.
Description
Technical field
The utility model relates to a kind of safety current prior-warning device, is meant a kind of the have synchronous and bright in many ways lamp and the sound early warning mechanism that pipes especially, to reach the safety current prior-warning device of safety utilization of electric power.
Background technology
Because each electrical appliance just is able to running after all need switching on, therefore, one day the total electricity consumption in various countries, the whole world can be said so and is difficult to estimate, and under the big and frequent situation of power consumption, the safety of electricity consumption is a problem that can not be ignored.
Again, just general office or dwelling house, because of electrical appliance quantity is many, the electric weight demand is very big, but the quantity of often available supply socket is few, causes a puzzlement greatly of desiring the electric consumer.
So, as shown in Figure 1, Fig. 1 is the synoptic diagram of known power extending line; Can know by figure; For solving the few problem of supply socket 11 quantity; The known preferable practice is used power extending line, is plugged in the supply socket 11 by the power supply terminal 10 of power extending line 1, replaces the supply socket 11 of single ended power supply through the power extending line 1 of multiterminal power supply supply; And then let the user need not the few problem of worried supply socket 11 quantity, reach the effect that all electrical appliances all can electricity consumption.
No matter and the supply of single-ended or multiterminal power supply; In the supply socket 11 in the main and same loop of power source supply end; The too much electrical appliance in case peg graft all can cause the magnitude of current excessive, and let power source supply end take place outage also or or even electrical appliance the situation of burning is arranged.
Therefore, from the above, the magnitude of current on the same loop no matter known power source supply end provided is big or little, and the user who desires electricity consumption all can't learn the size of the magnitude of current on front loop, the electricity consumption that the feasible user who desires electricity consumption can't feel at ease.
The utility model content
In view of this, the purpose of the utility model is to provide a kind of the have synchronous and bright in many ways lamp and the sound early warning mechanism that pipes, to reach the safety current prior-warning device of safety utilization of electric power.
In order to solve the problems of the technologies described above, the safety current prior-warning device that the utility model provides, said safety current prior-warning device consists predominantly of:
Power supply terminal is provided with power lead.
At least one power supply port joins with power lead is electric.
Be provided with and the electric circuit board that joins of power lead between power supply terminal and the adjacent power supply port; Circuit board is provided with sensing apparatus, transmission port and control module, and sensing apparatus is arranged with sense line, and the sense line two ends are respectively with power lead and the power supply port is electric joins; And control module includes first control element and second control element; Wherein, the power supply port connects an alarming device, and alarming device is provided with transmission port and LED display element; Reaching the mechanism of early warning, and the transmission port of circuit board is connected with and the electric transmission line that joins in the transmission port of alarming device by the indication of the bright lamp of LED display element.
In addition, with the electric power supply port that joins of power lead, its in twos power supply port institute respectively the transmission port on the alarming device of connection with transmission line electric joining, to reach the mechanism of synchronous early warning.
As preferred version, alarming device is provided with hummer.
As preferred version, alarming device is provided with switch.
The utility model mainly is connected to power lead and power supply port by two ends and the sense line that is set around on the circuit board sensing apparatus is carried out the sensing operation; And by the judgment mechanism of the current overload of circuit board; And transmit signals on the alarming device through the transmission port on transmission port, transmission line and the alarming device on the circuit board in regular turn; And let the LED display element according to the Different control signal and different bright lamp indication is used the user of power supply port grafting electrical equipment so as to reminding desire, whether current source current is to reach the situation of overload; Reach and to warn the user who desires electricity consumption in advance, have the effect that promotes Electrical Safety.
Again; Power supply port person with above-mentioned power supply port use same circuit; Utilize on the power supply port in twos the alarming device that connects respectively; Through on two alarming devices the transmission port that is provided with respectively join so that transmission line is electric, therefore, when the LED display element on the alarming device that front end power supply port is connected is shown as the safety current state; The user who then desires electricity consumption can be plugged in electrical equipment; At this moment, the sensing apparatus on circuit board is the sensing sense line immediately, and the LED display element that sensing signal is controlled control signal on the alarming device that each power supply port connected through the loop at the transmission port on transmission port, transmission line and the alarming device on the transmission port on the circuit board, transmission line, the alarming device etc. via circuit board conversion more in regular turn shows that whether current source current is to reach the situation of overload; But reach the user of the LED display element electricity consumption of caution desire in advance synchronously on each alarming device, have the effect of safety utilization of electric power in many ways.
The safety current prior-warning device that the utility model provides also has another kind of structure, consists predominantly of:
Power supply terminal is provided with power lead.
At least one power supply port joins with power lead is electric.
Be provided with and the electric circuit board that joins of power lead between power supply terminal and the adjacent power supply port; Circuit board is provided with sensing apparatus, transmission port and control module, and sensing apparatus is arranged with sense line, and the sense line two ends are respectively with power lead and the power supply port is electric joins; And control module includes first control element and second control element; Wherein, the power supply port connects an alarming device, and alarming device is provided with hummer; Reaching the mechanism of early warning, and the transmission port of circuit board is connected with and the electric transmission line that joins in the transmission port of alarming device by the caution that pipes.
In addition, with the electric power supply port that joins of power lead, its two power supplys port institute respectively the transmission port on the alarming device of connection with transmission line electric joining, to reach the mechanism of synchronous early warning.
As preferred version, alarming device is provided with the LED display element.
As preferred version, alarming device is provided with switch.
From the above; Alarming device also can be provided with hummer separately; Send control signal through circuit board equally and give alarming device,, reach the caution effect whether electric current transships so as to making buzzer call; And switch also can be set on the alarming device, so as to opening or close the effect that pipes of hummer according to user's demand.
Again, the safety current prior-warning device that the utility model provides still has another kind of structure, consists predominantly of:
Power supply terminal is provided with power lead.
At least one power supply port joins with power lead is electric.
Be provided with and the electric circuit board that joins of power lead between power supply terminal and the adjacent power supply port; Circuit board is provided with sensing apparatus, transmission port and control module, and sensing apparatus is arranged with sense line, and the sense line two ends are respectively with power lead and the power supply port is electric joins; And control module includes first control element and second control element; Wherein, the power supply port connects an alarming device, and alarming device is provided with LED display element and hummer; Reaching the mechanism of early warning, and the transmission port of circuit board is connected with and the electric transmission line that joins in the transmission port of alarming device by the indication of the bright lamp of LED display element and buzzer call caution.
In addition, with the electric power supply port that joins of power lead, its two power supplys port institute respectively the transmission port on the alarming device of connection with transmission line electric joining, to reach the mechanism of synchronous early warning.
As preferred version, alarming device is provided with switch.
From the above, LED display element and hummer also can be set on alarming device arrange in pairs or groups each other, reach the effect of the dual early warning of current overload.
As stated, the utlity model has following beneficial effect:
1, the said safety current prior-warning device of the utility model; Alarming device is provided with transmission port and LED display element; By the indication of the bright lamp of LED display element is that the LED display element is when sending out a warning; Represent whether this loop has reached current loading near the situation of load to remind this loop of user, so as to reaching the mechanism of early warning;
2, the said safety current prior-warning device of the utility model; Also can on alarming device, be equiped with hummer, the size of the electromagnetism through the sensing device senses sense line equally, and be voltage, the magnitude of current by circuit board and with electromagnetic conversion; Continued access and is judged through the electric current section of the selected control module of user and to make whether load of loop; When hummer pipes continuously, represent that this loop is near the situation of load, so as to reaching the mechanism of early warning;
3, the said safety current prior-warning device of the utility model utilizes hummer and LED display element to arrange in pairs or groups each other, reaches the effect of dual current overload early warning, lets the user before electricity consumption, reach the double shield of safety utilization of electric power;
4, the said safety current prior-warning device of the utility model; For the tweeting sound that prevents hummer for example: other people's peacefulness arround having bothered near the rapid tweeting sound of current loading; Can be on the alarming device extra switch of opening or cutting out buzzer call that is provided with prevents that hummer from continuing to pipe and upset other people's state of mind;
5, the said safety current prior-warning device of the utility model; May be implemented on the power extending line; Except let power extending line have hummer and LED display element safety current caution, the outward appearance that also can beautify prior-warning device is with the effect of beautifying design and safety utilization of electric power;
6, the said safety current prior-warning device of the utility model; May be implemented on the general supply case; The user can judged and learn whether the magnitude of current that general supply case front end is supplied still is available for users to electricity consumption or near the situation of current loading by prior-warning device; Can not only protect electric consumer's safety, also can prevent the loss that appliance cut-off causes, can prolong the tenure of use of electrical equipment simultaneously;
7, the said safety current prior-warning device of the utility model; Power lead a plurality of power supplys port that can electricly join; And all be connected with alarming device in each power supply port; Make in the power conductor loop with electric a plurality of power supplys port that joins that the alarming device that each power supply port connected all can be done the bright lamp caution of synchronous LED display element and the caution that pipes of hummer by early warning signal that circuit board sent, reach on the alarming device that each user all can be connected at the power supply port of same loop and diverse location; All can see the same early warning cresset and the caution that pipes, so as to reaching the early warning effect of safety utilization of electric power.
Description of drawings
Fig. 1 is known power extending line synoptic diagram;
Fig. 2 is the utility model embodiment 1 schematic perspective view;
Fig. 3 A is the hummer schematic perspective view of the utility model alarming device;
Fig. 3 B is the LED display element collocation hummer schematic perspective view of the utility model alarming device;
Fig. 4 is implemented on the synoptic diagram of prolong socket for the utility model;
Fig. 5 is implemented on the synoptic diagram of general supply case for the utility model;
Fig. 6 is the enforcement synoptic diagram of the utility model power supply port serial connection;
Description of reference numerals:
1 power extending line;
10 power supply terminals;
11 supply sockets;
2 power supply terminals;
20 power leads;
3 power supply ports;
30 alarming devices;
300 transmission ports;
301 LED display elements;
302 hummers;
303 switches;
4 circuit boards;
40 sensing apparatus;
400 sense line;
41 transmission ports;
42 control modules;
420 first control elements;
421 second control elements;
5 transmission lines;
Embodiment
For ease of to the purpose of the utility model, effect with structural attitude clear and definite understanding more in detail can be arranged, to enumerate out the preferred embodiment that is described below and in conjunction with the accompanying drawings.
Embodiment 1
See also Fig. 2.
Can know by figure, the said safety current prior-warning device of the utility model, it consists predominantly of:
Power supply terminal 2 is provided with power lead 20, and electric acies 2 is connected in power source supply end, and the alternating current input of 110V or 220V can be provided.
The embodiment at power supply port 3 form a loop with 20 electric joining of power lead, and the utility model is used as with supply socket in power supply port 3.
And the utility model is characterised in that; Be provided with and the power lead 20 electric circuit boards that join 4 between power supply terminal 2 and the adjacent power supply port 3; Circuit board 4 is provided with sensing apparatus 40, transmission port 41 and control module 42; Sensing apparatus 40 is arranged with sense line 400, sense line 400 two ends respectively with power lead 20 and 3 electric joining of power supply port, and control module 42 includes first control element 420 and second control element 421 for judging the degree of loop current near load; The user can be on demand and alarm current is divided into three kinds of mechanism: 1. first control element 420 and second control element 421 are all opened a way, and this moment, alarm current was 15 amperes; 2. 420 short circuits of first control element and second control element 421 are opened a way, and this moment, alarm current was 20 amperes; 3. first control element, 420 open circuit and 421 short circuits of second control element, this moment, alarm current was 30 amperes.
Said power supply port 3 connects an alarming device 30, and alarming device 30 is provided with transmission port 300 and LED display element 301, and promptly giving a green light for this reason by the 301 bright lamp indications of LED display element, the loop is the caution of safety current; The bright orange lamp loop magnitude of current that is for this reason reaches the caution of poor risk; The magnitude of current in loop has reached dangerous caution and send out a warning for this reason; Whether the situation near load has reached current loading to remind this loop of user; So as to reaching the mechanism of early warning, and the transmission port 41 of circuit board 4 is connected with the transmission port 300 electric transmission lines that join 5 with alarming device 30.
From the above; When the described safety current prior-warning device of the utility model is implemented, at first, earlier power supply terminal 2 is connected in power source supply end; Then; Utilize the sense line 400 of 40 pairs of diffraction of sensing apparatus on sensing apparatus 40 on the circuit board 4 to carry out the sensing operation, and the electromagnetism of sensing apparatus 40 sensing sense line 400 is big or small, and is voltage, the magnitude of current by circuit board 4 and with electromagnetic conversion; Continued access through the selected alarm current mechanism of user and is judged the whether load of this loop, below is control module 42 alarm current mechanism and functions thereof:
One, first control element 420 and second control element 421 are all opened a way: this moment, alarm current was 15 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 10 amperes the time: then let LED display element 301 show the bright lamp caution of green lights.
When current value be between 10 amperes～13 amperes the time: then let LED display element 301 show the bright lamp caution of amber lights.
When current value be more than 13 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, represent this loop current to be on the verge of load.
Two, 420 short circuits of first control element and second control element 421 open circuit: this moment, alarm current was 20 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 15 amperes the time: then let LED display element 301 show the bright lamp caution of green lights.
When current value be between 15 amperes～18 amperes the time: then let LED display element 301 show the bright lamp caution of amber lights.
When current value be more than 18 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, represent this loop current to be on the verge of load.
Three, first control element 420 open circuit and 421 short circuits of second control element: this moment, alarm current was 30 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 20 amperes the time: then let LED display element 301 show the bright lamp caution of green lights.
When current value be between 20 amperes～25 amperes the time: then let LED display element 301 show the bright lamp caution of amber lights.
When current value be more than 25 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, represent this loop current to be on the verge of load.
Therefore,, let the user can be, prevent that electric current is excessive and have and jump the situation that electricity or appliance circuit burn and take place, reach the effect of safety utilization of electric power from the bright lamp caution of LED display element 301 by above-mentioned alarm current mechanism.
See also Fig. 3 A and Fig. 3 B, and please consult Fig. 2 simultaneously.
Can know by figure; The utility model also can be equiped with hummer 302 separately on alarming device 30; Same electromagnetism size through sensing apparatus 40 sensing sense line 400; And be voltage, the magnitude of current by circuit board 4 and with electromagnetic conversion, continued access and is judged through the electric current section of the selected control module 42 of user and to make whether load of loop, below is control module 42 alarm current mechanism and functions thereof:
One, first control element 420 and second control element 421 are all opened a way: this moment, alarm current was 15 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 13 amperes the time: then let hummer 302 pipe and warn.
When current value be between 13 amperes～14 amperes the time: then let hummer 302 two polices that pipe.
When current value be between 14 amperes～15 amperes the time: then let hummer 302 pipe and warn for three.
When current value be more than 15 amperes the time: then let hummer 302 caution that pipes continuously, represent this loop current to be on the verge of load.
Two, 420 short circuits of first control element and second control element 421 open circuit: this moment, alarm current was 20 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 18 amperes the time: then let hummer 302 pipe and warn.
When current value be between 18 amperes～19 amperes the time: then let hummer 302 pipe and warn for two.
When current value be between 19 amperes～20 amperes the time: then let hummer 302 pipe and warn for three.
When current value be more than 20 amperes the time: then let hummer 302 caution that pipes continuously, represent this loop current to be on the verge of load.
Three, first control element 420 open circuit and 421 short circuits of second control element: this moment, alarm current was 30 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 25 amperes the time: then let hummer 302 pipe and warn.
When current value be between 25 amperes～28 amperes the time: then let hummer 302 pipe and warn for two.
When current value be between 28 amperes～30 amperes the time: then let hummer 302 pipe and warn for three.
When current value be more than 30 amperes the time: then let hummer 302 caution that pipes continuously, represent this loop current to be on the verge of load.
Therefore,, let the user can be, prevent that electric current is excessive and have and jump the situation generation that electricity or appliance circuit burn, reach the effect of safety utilization of electric power from the caution that pipes of hummer 302 by above-mentioned alarm current mechanism.
From the above, hummer 302 and LED display element 301 are to reach the effect that pipes or reach caution with the mode of bright lamp by the conversion of the sensing mechanism of sensing apparatus 40 and circuit board 4 equally; In addition; The utility model hummer 302 also capable of using is arranged in pairs or groups with LED display element 301 each other; Reach the effect of dual current overload early warning; Let the user before electricity consumption, reach the double shield of safety utilization of electric power, and the alarm current mechanism and the function thereof of hummer 302 collocation LED display elements 301 are following:
One, first control element 420 and second control element 421 are all opened a way: this moment, alarm current was 15 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 10 amperes the time: then let LED display element 301 show the bright lamp caution of green lights.
When current value be between 10 amperes～13 amperes the time: then let LED display element 301 show the bright lamp caution of amber lights, and let hummer 302 pipe to warn.
When current value be between 13 amperes～14 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 pipe to warn for two.
When current value be between 14 amperes～15 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 pipe to warn for three, represent this loop current to be on the verge of load.
When current value be more than 15 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 caution that pipes continuously, represent this loop current to be on the verge of load.
Two, 420 short circuits of first control element and second control element 421 open circuit: this moment, alarm current was 20 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 15 amperes the time: then let LED display element 301 show the bright lamp caution of green lights.
When current value be between 15 amperes～18 amperes the time: then let LED display element 301 show the bright lamp caution of amber lights, and let hummer 302 pipe to warn.
When current value be between 18 amperes～19 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 pipe to warn for two.
When current value be between 19 amperes～20 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 pipe to warn for three, represent this loop current to be on the verge of load.
When current value be more than 20 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 caution that pipes continuously, represent this loop current to be on the verge of load.
Three, first control element 420 open circuit and 421 short circuits of second control element: this moment, alarm current was 30 amperes, and the current value that the electromagnetism size of 40 sensing sense line 400 of sensing apparatus converts to by circuit board 4 is done following judgement:
When current value be below 20 amperes the time: then let LED display element 301 show the bright lamp caution of green lights.
When current value be between 20 amperes～25 amperes the time: then let LED display element 301 show the bright lamp caution of amber lights, and let hummer 302 pipe to warn.
When current value be between 25 amperes～28 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 pipe to warn for two.
When current value be between 28 amperes～30 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 pipe to warn for three, represent this loop current to be on the verge of load.
When current value be more than 30 amperes the time: then let LED display element 301 show the bright lamp caution of red lights, and let hummer 302 caution that pipes continuously, represent this loop current to be on the verge of load.
Therefore, by utilizing hummer 302 and LED display element 301 to arrange in pairs or groups each other, and reach the effect of dual current overload early warning.
Moreover; For the tweeting sound that prevents hummer 302 for example: other people's peacefulness arround having bothered near the rapid tweeting sound of current loading; Can be on alarming device 30 extra the setting opened or closed the switch 303 that hummer 302 pipes, and prevents that hummer 302 from continuing to pipe and upset other people's state of mind.
See also Fig. 4.
Can know that by figure the utility model is implemented on the power extending line, except letting power extending line have the safety current caution of hummer 302 and LED display element 301, the outward appearance that also can beautify prior-warning device is with the effect of beautifying design and safety utilization of electric power.
See also Fig. 5.
Can know by figure; The utility model also can be implemented on the general supply case; Let the user can be, and pipe caution to learn whether the magnitude of current that general supply case front end is supplied still is available for users to electricity consumption or near the situation of current loading, can not only protects electric consumer's safety through 301 bright lamps cautions of LED display element and buzzer 302 by the prior-warning device judgment mechanism; Also the loss that appliance cut-off causes can be prevented, the tenure of use of electrical equipment can be prolonged simultaneously.
See also Fig. 6.
Can know by figure; Power lead 20 maximum six power supply ports 3 that can electricly join; And all be connected with alarming device 30 in each power supply port 3; In twos the transmission port 300 on the alarming devices 30 that connect respectively of 3 at power supply port with transmission line 5 electric joining; In case after the electromagnetism size of sensing apparatus 40 sensing sense line 400, be voltage, the magnitude of current, and send alarming device 30 that signal informs that next end is connected with power supply port 3 through transmission port 41 and transmission line 5 and do that the bright lamp of LED display element 301 is warned and the caution that pipes of hummer 302 by circuit board 4 and with electromagnetic conversion; Simultaneously, the transmission port 300 on the alarming device 30 transfers to signal on next end and the alarming device 30 that power supply port 3 is connected with transmission line 5 again and does the bright lamp caution of synchronous LED display element 301 and the caution that pipes of hummer 302; Therefore; Mode by that analogy; In feasible power lead 20 loops with the electric a plurality of power supplys port 3 that joins; The alarming device 30 that each power supply port 3 connected all can be done the bright lamp caution of synchronous LED display element 301 and the caution that pipes of hummer 302 by early warning signal that circuit board 4 sent; Reach on the alarming device 30 that each user all can be connected at the power supply port 3 of same loop and diverse location, all can see the same early warning cresset and the caution that pipes, so as to reaching the early warning effect of safety utilization of electric power.
In addition; In the loop; Behind one of them power supply port 3 connecting circuit; The sensing sense line 400 immediately of the sensing apparatus 40 on the circuit board 4 foremost in the loop, and with the current electromagnetism size that senses is again through circuit board 4 conversions and send the alarming device 30 that alarm signal connected to next end power supply port 3 and do the bright lamp caution of LED display element 301 and the caution that pipes of hummer 302; And simultaneously send the alarming device 30 that signal connected to next end power supply port 3 again and do the bright lamp caution of LED display element 301 and the caution that pipes of hummer 302 by alarming device 30; Mode makes all alarming device 30 sending and receiving on the loop go out caution according to this, but so as to letting user's early warning before the current loading after the instant playback electricity consumption after electricity consumption, reaches the mechanism of instant early warning; Let the alarming device 30 that the user all can arbitrary power supply port 3 be connected on the loop learn that the current magnitude of current in this loop whether near load, reaches the effect of early warning.
The above is merely the preferred embodiment of the utility model, is not the protection domain that is used to limit the utility model.
Claims (8)
1. safety current prior-warning device consists predominantly of:
Power supply terminal is provided with power lead;
At least one power supply port joins with said power lead is electric;
It is characterized in that; Be provided with and the electric circuit board that joins of said power lead between said power supply terminal and the adjacent power supply port, said circuit board is provided with sensing apparatus, transmission port and control module, and said sensing apparatus is arranged with sense line; Said sense line two ends respectively with said power lead and electric joining of said power supply port; And said control module includes first control element and second control element, and wherein, said power supply port connects an alarming device; Said alarming device is provided with transmission port and LED display element, and the transmission port of said circuit board is connected with and the electric transmission line that joins in the transmission port of alarming device;
Wherein, with the electric power supply port that joins of said power lead, its in twos the power supply port the transmission port on the alarming device that connects respectively with transmission line electric joining.
2. safety current prior-warning device as claimed in claim 1 is characterized in that said alarming device is provided with hummer.
3. safety current prior-warning device as claimed in claim 2 is characterized in that said alarming device is provided with switch.
4. safety current prior-warning device includes:
Power supply terminal is provided with power lead;
At least one power supply port joins with said power lead is electric;
It is characterized in that; Be provided with and the electric circuit board that joins of said power lead between said power supply terminal and the adjacent power supply port, said circuit board is provided with sensing apparatus, transmission port and control module, and said sensing apparatus is arranged with sense line; Said sense line two ends respectively with said power lead and electric joining of said power supply port; And said control module includes first control element and second control element, and wherein, said power supply port connects an alarming device; Said alarming device is provided with hummer, and the transmission port of said circuit board is connected with and the electric transmission line that joins in the transmission port of said alarming device;
Wherein, with the electric power supply port that joins of said power lead, its two power supplys port the transmission port on the alarming device that connects respectively with transmission line electric joining.
5. safety current prior-warning device as claimed in claim 4 is characterized in that said alarming device is provided with the LED display element.
6. safety current prior-warning device as claimed in claim 4 is characterized in that said alarming device is provided with switch.
7. safety current prior-warning device includes:
Power supply terminal is provided with power lead;
At least one power supply port joins with said power lead is electric;
It is characterized in that; Be provided with and the electric circuit board that joins of said power lead between said power supply terminal and the adjacent power supply port, said circuit board is provided with sensing apparatus, transmission port and control module, and said sensing apparatus is arranged with sense line; Said sense line two ends respectively with said power lead and electric joining of said power supply port; And said control module includes first control element and second control element, and wherein, said power supply port connects an alarming device; Said alarming device is provided with LED display element and hummer, and the transmission port of said circuit board is connected with and the electric transmission line that joins in the transmission port of said alarming device;
Wherein, with the electric power supply port that joins of said power lead, its two power supplys port the transmission port on the alarming device that connects respectively with transmission line electric joining.
8. safety current prior-warning device as claimed in claim 7 is characterized in that said alarming device is provided with switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202441867U CN202159091U (en) | 2011-07-12 | 2011-07-12 | Safe current prewarning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202441867U CN202159091U (en) | 2011-07-12 | 2011-07-12 | Safe current prewarning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159091U true CN202159091U (en) | 2012-03-07 |
Family
ID=45766723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202441867U Expired - Fee Related CN202159091U (en) | 2011-07-12 | 2011-07-12 | Safe current prewarning device |
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| Country | Link |
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| CN (1) | CN202159091U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767232A (en) * | 2014-01-06 | 2015-07-08 | 旺玖科技股份有限公司 | Electric energy transfer device with power utilization/charging condition display |
| CN106645894A (en) * | 2016-10-08 | 2017-05-10 | 国家电网公司 | Early warning system for overload of transformer |
-
2011
- 2011-07-12 CN CN2011202441867U patent/CN202159091U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767232A (en) * | 2014-01-06 | 2015-07-08 | 旺玖科技股份有限公司 | Electric energy transfer device with power utilization/charging condition display |
| CN106645894A (en) * | 2016-10-08 | 2017-05-10 | 国家电网公司 | Early warning system for overload of transformer |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20140712 |
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| EXPY | Termination of patent right or utility model |