CN101783252B - Automatic transfer switching electric appliance and method for judging and treating failure thereof - Google Patents
Automatic transfer switching electric appliance and method for judging and treating failure thereof Download PDFInfo
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- CN101783252B CN101783252B CN 200910000199 CN200910000199A CN101783252B CN 101783252 B CN101783252 B CN 101783252B CN 200910000199 CN200910000199 CN 200910000199 CN 200910000199 A CN200910000199 A CN 200910000199A CN 101783252 B CN101783252 B CN 101783252B
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Abstract
The invention relates to an automatic transfer switching electrical appliance, in particular to an automatic transfer switching electrical appliance which can judge and dispose handle breakage, contact fusion welding and internal tripping failure of a transfer switch. The invention also relates to a method for judging and disposing failure of the automatic transfer switching electrical appliance. The automatic transfer switching electrical appliance comprises a commonly used side transfer switch, a standby side transfer switch, an operating mechanism, a control unit, a signal processing unit, a group of commonly used power input terminals, a group of standby power input terminals, a group of output terminals, a power supply status signal acquisition unit, a transfer switch output signal acquisition unit and a transfer switch handle position signal acquisition unit.
Description
Technical field
The present invention relates to a kind of automatic transfer switching electric appliance, particularly relate to a kind ofly can judge and handle that handle fractures, the automatic transfer switching electric appliance of contact melting welding and the inner dropout fault of change over switch.The invention still further relates to a kind of method of judging and handling the automatic transfer switching electric appliance fault.
Background technology
Automatic transfer switching electric appliance is claimed ATSE (Automatic Transfer Switching Equipment) again, comprises one or several transfer switching equipment and operating mechanism.In important electricity consumption place, ATSE is used for testing circuit, and when a power supply goes wrong and can not continue as the load equipment normal power supply, switches to another power supply, thus the continuous operation of proof load equipment.Yet in use, ATSE is in the switching problem that solves between the different electrical power, and himself also variety of issue possibly occur.For example when the handle of change over switch fractures, can't break off change over switch, switch to stand-by power supply, then can make two power supply short circuits that switch each other if will use power supply this moment always through the handle of change over switch.The damage that this very likely can cause fire or cause load equipment.Equally, when the contact melting welding of change over switch, although from seeing that in appearance handle is in open position, yet because the melting welding phenomenon has taken place in change over switch inside, so cause the change over switch that melting welding takes place in fact to be in closure state.If will use power supply this moment always switches to stand-by power supply and will produce and the handle identical danger that fractures.In addition, change over switch possibly cause its inside contact not fasten because of repeatedly using, thus can't continue to use, and finally influence the realization of the effect of the ATSE under it.Therefore, when the dropout fault takes place, often hope in time to find the problem place, and the change over switch that lost efficacy of replacing in time.Otherwise when stand-by power supply also goes wrong, can't carry out power supply once more and switch.
In the past, those skilled in the art's solution to the problems described above was generally, and for example for fear of maybe be because of the risk of short-circuits that handle fractures and/or contact melting welding is caused, and outside ATSE, connects several fuses again.The shortcoming of doing like this is; The shared space of entire equipment and the complexity of installation have been increased; And improved equipment cost, simultaneously because can't fracture to for example handle, failure cause and position that contact melting welding, change over switch are threaded off make timely judgement, so the maintenance personal needs the labor time to seek and fix a breakdown; Thereby influenced normally carrying out of production, life, and increased maintenance cost.
Summary of the invention
In view of this, an object of the present invention is to provide a kind of automatic transfer switching electric appliance, particularly provide a kind of and can judge and handle that handle fractures, the automatic transfer switching electric appliance of contact melting welding and the inner dropout fault of change over switch.Another object of the present invention provides a kind of method of judging and handling the automatic transfer switching electric appliance fault.
In order to realize previous purpose; Automatic transfer switching electric appliance has comprised the part of conventional ATSE, i.e. side change over switch commonly used, prepped side change over switch, operating mechanism, control unit, signal processing unit, one group of power input terminal commonly used, one group of stand-by power supply input terminal, one group of lead-out terminal and power status signal gathering unit.Side change over switch wherein commonly used is used to connect power input terminal commonly used and lead-out terminal, and the prepped side change over switch is used to connect stand-by power supply input terminal and lead-out terminal.Operating mechanism mechanically engages with side change over switch handle commonly used and prepped side change over switch handle, so that operating mechanism can correctly be controlled the position of each change over switch handle.The power status signal gathering unit is arranged on power input terminal commonly used and/or the stand-by power supply input terminal.In addition, said automatic transfer switching electric appliance also includes: be arranged on the change over switch output signal gathering unit on the said lead-out terminal, it is used to gather the voltage signal on the lead-out terminal, and the voltage signal that collects is sent to signal processing unit; Change over switch handle position signal gathering unit, it is used to gather the position signalling of side change over switch handle commonly used and/or prepped side change over switch handle, and the signal that collects is sent to signal processing unit.
According to one embodiment of the present invention, said change over switch handle position signal gathering unit is used for position signalling is sent to signal processing unit.Signal processing unit is analyzed to the position signalling of acquisition with from the voltage signal of change over switch output signal gathering unit.Signal processing unit is arranged to, when said side change over switch commonly used when make position changes to open position, the voltage signal of change over switch output signal gathering unit is zero if change over switch is in open position, then thinks fault-free; The voltage signal of change over switch output signal gathering unit is non-vanishing if change over switch is in open position, then thinks to have taken place that handle fractures and/or contact melting welding fault.Think when signal processing unit and to exist handle to fracture and/or during contact melting welding fault, for fear of power supply commonly used and stand-by power supply short circuit, signal processing unit can send signal to control unit and stop operating mechanism, and can closed said prepped side change over switch.
According to another embodiment of the present invention; Said change over switch handle position signal gathering unit is used for position signalling is sent to signal processing unit, and said signal processing unit is analyzed said position signalling and the voltage signal of exporting signal gathering unit from said change over switch.Signal processing unit is arranged to, and when the side change over switch said commonly used that is in the close position was threaded off, the voltage signal of change over switch output signal gathering unit was non-vanishing if change over switch is in the close position, and then thinks fault-free; The voltage signal of change over switch output signal gathering unit is zero if change over switch is in the close position, and then thinks the inner dropout fault of change over switch has taken place.When signal processing unit thinks that when having that change over switch is inner threads off, signal processing unit can send signal to control unit and stop operating mechanism, and can closed said prepped side change over switch.
According to another embodiment of the invention, said change over switch handle position signal gathering unit is used for position signalling is sent to signal processing unit.Signal processing unit is analyzed to the position signalling of acquisition with from the voltage signal of change over switch output signal gathering unit.Signal processing unit is arranged to, when said side change over switch commonly used when make position changes to open position, the voltage signal of change over switch output signal gathering unit is zero if change over switch is in open position, then thinks fault-free; The voltage signal of change over switch output signal gathering unit is non-vanishing if change over switch is in open position, then thinks to have taken place that handle fractures and/or contact melting welding fault; When the side change over switch said commonly used that is in the close position was threaded off, the voltage signal of change over switch output signal gathering unit was non-vanishing if change over switch is in the close position, and then thought fault-free; The voltage signal of change over switch output signal gathering unit is zero if change over switch is in the close position, and then thinks the inner dropout fault of change over switch has taken place.Think when signal processing unit and to exist handle to fracture and/or during contact melting welding, for fear of power supply commonly used and stand-by power supply short circuit, signal processing unit can send signal to control unit and stop operating mechanism, and can closed said prepped side change over switch.When signal processing unit thinks that when having that change over switch is inner threads off, signal processing unit can send signal to control unit and stop operating mechanism, and can closed said prepped side change over switch.
Preferably, change over switch handle position signal gathering unit is through detecting the residing position of operating mechanism, the side change over switch of confirming mechanically to engage with operating mechanism commonly used and/or the handle position of prepped side change over switch.
Preferably, the said change over switch in the various execution modes of the present invention is miniature circuit breaker (MCB), but the present invention also can use breaker of plastic casing etc., any available circuit breaker.
Preferably, the said change over switch handle position signal gathering unit in the various execution modes of the present invention is three position transducers, but also can be the position transducer of any feasible quantity.
Preferably, the said position transducer in the various execution modes of the present invention is the photoelectricity coupling sensor, but also can be the position transducer of other suitable type.
Preferably, the said automatic transfer switching electric appliance in the various execution modes of the present invention also comprises a warning device, is used for when said automatic transfer switching electric appliance breaks down, reporting to the police.
In order to realize a back purpose of the present invention, the invention provides a kind of method of judging and handling the automatic transfer switching electric appliance fault.
According to another embodiment of the invention, said method comprising the steps of:
On lead-out terminal, gather voltage signal, and gather the position signalling of change over switch handle;
Signal processing unit receives respectively from the voltage signal on the said lead-out terminal with from the position signalling of said change over switch handle position signal gathering unit;
Analyze said voltage signal and said position signalling; If side change over switch commonly used is positioned at open position and has voltage signal on the lead-out terminal; Then exist handle to fracture and/or contact melting welding fault; If side change over switch commonly used is in open position and does not have voltage signal, then fault-free on the lead-out terminal.
Preferably, after the said step of analyzing said voltage signal and said position signalling, also comprise stopping operating mechanism and step that can closed said prepped side change over switch.
Preferably, stop operating mechanism and can the said step of closed said prepped side change over switch after, also comprise the step of warning.
According to another embodiment of the invention, the method for the fault of a kind of judgement and processing automatic transfer switching electric appliance may further comprise the steps:
On lead-out terminal, gather voltage signal, and gather the position signalling of change over switch handle;
Signal processing unit receives respectively from the voltage signal on the said lead-out terminal with from the position signalling of said change over switch handle position signal gathering unit;
Analyze said voltage signal and said position signalling;, side change over switch commonly used do not have voltage signal on the lead-out terminal if being in the close position; Then there is the inner dropout fault of side change over switch commonly used; If side change over switch commonly used is in open position and has voltage signal, then fault-free on the lead-out terminal.
Preferably, after the said step of analyzing said voltage signal and said position signalling, also comprise stopping operating mechanism and step that can closed said prepped side change over switch.
Preferably, stop operating mechanism and can the said step of closed said prepped side change over switch after, also comprise the step of warning.
According to another embodiment of the invention, the method for the fault of a kind of judgement and processing automatic transfer switching electric appliance may further comprise the steps:
On lead-out terminal, gather voltage signal, and gather the position signalling of change over switch handle;
Signal processing unit receives respectively from the voltage signal on the said lead-out terminal with from the position signalling of said change over switch handle position signal gathering unit;
Analyze said voltage signal and said position signalling; If side change over switch commonly used is in open position and has voltage signal on the lead-out terminal; Then exist handle to fracture and/or contact melting welding fault; If side change over switch commonly used is in open position and does not have voltage signal, then fault-free on the lead-out terminal; If side change over switch commonly used is in the close position and does not have voltage signal on the lead-out terminal, then there is the inner dropout fault of side change over switch commonly used,, side change over switch commonly used has voltage signal, then fault-free on the lead-out terminal if being in the close position.
Preferably, after the said step of analyzing said voltage signal and said position signalling, also comprise stopping operating mechanism and step that can closed said prepped side change over switch.
Preferably, stop operating mechanism and can the said step of closed said prepped side change over switch after, also comprise the step of warning.
It will be understood by those skilled in the art that in some cases the prepped side among the present invention also can be used as side commonly used and uses, and side commonly used also can be used as prepped side and uses.
From such scheme, can find out, because the present invention has avoided power supply commonly used and stand-by power supply short circuit, and can report to the police to fault, thus help protecting the safety of production, life, and saved the time, reduced cost.
Description of drawings
Fig. 1 is the front view of automatic transfer switching electric appliance of the present invention;
Fig. 2 is the cutaway view that obtains along the A-A among Fig. 1;
Fig. 3 is the front view of automatic transfer switching electric appliance of having removed Fig. 1 of front panel;
Fig. 4 a, 4b and 4c have shown operating mechanism and the chassis that is in side change over switch closure commonly used/prepped side change over switch open position, centre position and side change over switch disconnection/prepped side change over switch make position commonly used respectively;
Fig. 5 is the illustrative view of functional configuration of automatic transfer switching electric appliance of the present invention;
Fig. 6 is the structural representation of automatic transfer switching electric appliance of the present invention.
Embodiment
In order to make the object of the invention clearer, do further to specify below in conjunction with the accompanying drawing specific embodiments of the invention.
Fig. 1 has shown the front view of automatic transfer switching electric appliance of the present invention.Wherein, a side at power supply commonly used place representes that with alphabetical N a side at stand-by power supply place is represented with letter b.Although in this execution mode, side change over switch 1 commonly used is a miniature circuit breaker with prepped side change over switch 3, it will be appreciated by those skilled in the art that said change over switch 1 and 3 also can be the circuit breaker of other type, for example breaker of plastic casing etc.In use, said change over switch 1 and 3 top respectively with chassis 6 on one group of power input terminal commonly used be connected with one group of stand-by power supply input terminal.Power input terminal commonly used and stand-by power supply input terminal are used three phase lines and the zero line of power supply and stand-by power supply always according to being connected respectively to three-phase shown in the mark (being L1, L2, L3, N).The bottom of side change over switch 1 commonly used and prepped side change over switch 3 is connected to one group of identical lead-out terminal.On each terminal of power input terminal commonly used and stand-by power supply input terminal power status signal gathering unit 11 (as shown in Figure 5) is housed all.Change over switch output signal gathering unit 12 (as shown in Figure 5) all is housed on each lead-out terminal.Fig. 1 has also shown the panel 41 of shell.Operating mechanism 2 (like Fig. 4 a, 4b, 4c) and circuit board 71,72 and 73 have been comprised in the shell.As shown in Figure 1, operating mechanism 2 has two bars to be exposed to outside the shell respectively in side commonly used and prepped side.Signal processing unit 13 (as shown in Figure 5), control unit 14 (as shown in Figure 5) and alarm 10 (as shown in Figure 5) constitute with surface-mounted integrated circuit.In addition, on the panel 41 of shell, an indicating device has been indicated N, F, three positions of B, and wherein position N representes that power supply closure commonly used/stand-by power supply breaks off, and position B representes that the stand-by power supply closure/power supply commonly used breaks off, and centre position F representes that two power supplys all break off.
Fig. 2 has shown the cutaway view that obtains along the A-A of Fig. 1.Wherein, the main body 42 and the motor 23 of shell are fixed on the chassis 6, and the panel 41 of shell covers on the main body 42 of shell.Rotating disk 24 is fixed together with the axle of motor 23.Circuit board 71 includes alarm 10, and on circuit board 71, alarm lamp and/or alarm hooter is installed, and the type of said alarm lamp and/or alarm hooter can change according to different actual needs with quantity.Circuit board 72 includes signal processing unit 13; Be mainly used in and analyze and processing signals, said signal comprises from the signal that is arranged on the power status signal gathering unit 11 on power input terminal commonly used and the stand-by power supply input terminal, from the signal that is arranged on the switch output signal collecting unit 12 on the lead-out terminal and from the signal that is arranged on the change over switch handle position signal gathering unit 5 on the operating mechanism 2.Circuit board 73 includes control unit 14, and control unit 14 is used to control the rotation of motor 23 and the warning of alarm 10.Control unit 14 can be controlled motor 23 rotations; So that the commonly used position of source of operating mechanism 2 from Fig. 4 a is through the centre position of Fig. 4 b; Change to the stand-by power supply position of Fig. 4 c then, perhaps change to position of source commonly used through the centre position from the stand-by power supply position.In addition, rotating disk 24 inserts in the optocoupler plates 53, and rotating disk 24 through the slit in the optocoupler plate 53, and has breach 25 (shown in Fig. 4 a, 4b and 4c) at the middle body of the semicircle circumference of rotating disk 24 in rotary course.When operating mechanism mediated, when promptly the light in the optocoupler plate 53 can pass the breach 25 on the said rotating disk 24, optocoupler plate 53 can send corresponding position signalling to signal processing unit.
Fig. 3 has shown and has been used for confirming the optocoupler plate 51,52 of operating mechanism 2 present positions and 53 position that the operation principle of optocoupler plate 51,52 and the operation principle of optocoupler plate 53 are similar.Operating mechanism 2 comprises side clamp forks 21, prepped side clamp forks 22 and rotating disk 24 commonly used, and two bars outwardly of said clamp forks 21 and clamp forks 22 are exposed to outside the shell, and accommodates the handle of change over switch 1 and change over switch 3 between said two bars respectively.Clamp forks 21 respectively has two parallel open with clamp forks 22, accommodates three alignment pins 26 in two parallel open of said each clamp forks, makes that clamp forks 21,22 can only be along the axial motion of symmetry axis B.Rotating disk 24 respectively has a pin 27 in its two ends farthest; And each pin 27 all is inserted into this to be sold in the groove on 27 pairing clamp forks 21 and the clamp forks 22; Move up or down with promotion clamp forks 21 or clamp forks 22 when motor 23 rotates, thus the closure of realization change over switch 1 and/or change over switch 3.Optocoupler plate 51 is used to judge the position of clamp forks 21, and optocoupler plate 52 is used to judge the position of clamp forks 22.When optocoupler plate 51 is covered by clamp forks 21, optocoupler plate 53 is covered by rotating disk 24, and optocoupler plate 52 is during crested, thinks then that side change over switch commonly used is in the close position and the prepped side change over switch is in open position; When optocoupler plate 52 is covered by clamp forks 22, optocoupler plate 53 is covered by rotating disk 24, and optocoupler plate 51 is during crested, thinks then that side change over switch commonly used is in open position and the prepped side change over switch is in the close position; When optocoupler plate 51,52 is covered by clamp forks 21,22 respectively, and optocoupler plate 53 thinks that then operating mechanism mediates not during crested, and side change over switch promptly commonly used and prepped side change over switch all are in open position.
Fig. 4 a, 4b and 4c have shown operating mechanism and the chassis that is in side change over switch closure commonly used/prepped side change over switch open position, centre position and side change over switch disconnection/prepped side change over switch make position commonly used respectively.
Fig. 5 is an illustrative view of functional configuration of the present invention.Wherein stimulus part 8 is made up of power status signal gathering unit 11, change over switch output signal gathering unit 12 and change over switch handle position signal gathering unit 5, and the signal that all incite somebody to action separately unit 11, unit 12 and unit 5 is transferred to signal processing unit 13 processing.Signal processing unit 13 is made up of electronic device, and is arranged to and can handles various signals, and the signal that will further handle sends control unit 14 to, controls operating mechanism 2 and alarm 10 by control unit 14 according to its received signal.Signal processing unit 13 is formed processing and control section 15 with control unit 14.Operating mechanism 2 is formed segment signal output 9 with alarm 10.
Fig. 6 is signal of the present invention and control sketch map.Wherein NI representes that power status signal commonly used, NO represent that side change over switch output signal commonly used, BI represent that stand-by power supply status signals, BO represent prepped side change over switch output signal.Processing and control section 15 are controlled alarm 10 and operating mechanism 2 respectively.2 pairs of side change over switches 1 commonly used of operating mechanism are controlled with prepped side change over switch 3.
First embodiment of the invention, the change over switch output signal gathering unit 12 on the lead-out terminal is sent voltage signal, and change over switch handle position signal gathering unit 5 is sent position signalling; Signal processing unit 13 receives said voltage signal and said position signalling respectively; 13 pairs of said voltage signals of signal processing unit and said position signalling are analyzed, and judge the position of side change over switch commonly used and/or the position of prepped side change over switch.Signal processing unit 13 also further judges whether to exist handle to fracture and/or contact melting welding and the inner dropout fault of change over switch; When the side change over switch said commonly used that is in the close position is threaded off; If side change over switch commonly used is in the close position; And the voltage signal of change over switch output signal gathering unit 12 is zero, then thinks to have the inner dropout fault of side change over switch commonly used; If side change over switch commonly used is in the close position, and the voltage signal of change over switch output signal gathering unit 12 is non-vanishing, then thinks fault-free; When make position changed to open position, if side change over switch commonly used is in open position, and the voltage signal of change over switch output signal gathering unit 12 was zero at said side change over switch commonly used, then thought fault-free; If side change over switch commonly used is in open position, and the voltage signal of change over switch output signal gathering unit 12 is non-vanishing, then thinks to exist handle to fracture and/or contact melting welding fault.
Think when signal processing unit 13 and to exist handle to fracture and/or during contact melting welding fault, signal processing unit 13 can send signal to control unit 14.Control unit 14 will stop operating mechanism 2 after receiving said signal, to avoid power supply commonly used and stand-by power supply short circuit.When signal processing unit thinks that when having that change over switch is inner threads off, control unit 14 also will stop operating mechanism 2.
In addition, when having fault, signal processing unit 13 also can send signal to control unit 14, and control unit 14 will be controlled alarm 10 and report to the police after receiving said signal.
The automatic transfer switching electric appliance of second execution mode of the present invention has and identical mechanical structure of first execution mode and circuit structure.Its difference only is; Signal processing unit 13 in second execution mode of the present invention only fractures to handle and/or contact melting welding fault is analyzed and handled; Promptly at said side change over switch commonly used when make position changes to open position; If side change over switch commonly used is in open position, and the voltage signal of change over switch output signal gathering unit 12 is zero, then thinks fault-free; If side change over switch commonly used is in open position, and the voltage signal of change over switch output signal gathering unit 12 is non-vanishing, then thinks to exist handle to fracture and/or contact melting welding fault.
When signal processing unit 13 thinks that when having the inner dropout fault of change over switch, signal processing unit 13 can send signal to control unit 14.Control unit 14 will stop operating mechanism 2 after receiving said signal, to avoid power supply commonly used and stand-by power supply short circuit.
In addition, when having fault, signal processing unit 13 also can send signal to control unit 14, and control unit 14 will be controlled alarm 10 and report to the police after receiving said signal.
The automatic transfer switching electric appliance of the 3rd execution mode of the present invention has and identical mechanical structure of first execution mode and circuit structure.Its difference only is; The signal processing unit 13 of the 3rd execution mode of the present invention only takes off a mouthful fault to inside to be analyzed and handles; Promptly when the side change over switch said commonly used that is in the close position is threaded off; If side change over switch commonly used is in the close position, and the voltage signal of change over switch output signal gathering unit 12 is zero, then think to have the inner dropout fault of change over switch; If if optocoupler plate side change over switch commonly used is in the close position, and the voltage signal of change over switch output signal gathering unit 12 is non-vanishing, then think fault-free.
Think when signal processing unit 13 and to exist handle to fracture and/or during contact melting welding fault, signal processing unit 13 can send signal to control unit 14.Control unit 14 will stop operating mechanism 2 after receiving said signal, to avoid power supply commonly used and stand-by power supply short circuit.When signal processing unit thinks that when having that change over switch is inner threads off, control unit 14 also will stop operating mechanism 2.
In addition, when having fault, signal processing unit 13 also can send signal to control unit 14, and control unit 14 will be controlled alarm 10 and report to the police after receiving said signal.
According to the 4th execution mode of the present invention, automatic transfer switching electric appliance failure judgment and processing method may further comprise the steps:
(A) output of the change over switch on lead-out terminal signal gathering unit 12 is sent voltage signal, and change over switch handle position signal gathering unit 5 is sent position signalling;
(B) signal processing unit 13 receives said voltage signal and said position signalling respectively;
(C) 13 pairs of said voltage signals of signal processing unit and said position signalling are analyzed, and judge the position of side change over switch commonly used and/or the position of prepped side change over switch.Signal processing unit 13 also further judges whether to exist handle to fracture and/or contact melting welding and the inner dropout fault of change over switch; When the side change over switch said commonly used that is in the close position takes place to thread off; If side change over switch commonly used is in the close position; And the voltage signal of change over switch output signal gathering unit 12 is zero, then thinks to have the inner dropout fault of change over switch, if side change over switch commonly used is in the close position; And the voltage signal of change over switch output signal gathering unit 12 is non-vanishing, then thinks fault-free; When make position changed to open position, if side change over switch commonly used is in open position, and the voltage signal of change over switch output signal gathering unit 12 was zero at said side change over switch commonly used, then thought fault-free; If side change over switch commonly used is in open position, and the voltage signal of change over switch output signal gathering unit 12 is non-vanishing, then thinks to exist handle to fracture and/or contact melting welding fault;
(D) think when signal processing unit 13 and exist handle to fracture and/or during contact melting welding fault, signal processing unit 13 can send signal to control unit 14.Control unit 14 will stop operating mechanism 2 after receiving said signal, to avoid power supply commonly used and stand-by power supply short circuit.When signal processing unit thinks that when having that change over switch is inner threads off, control unit 14 also will stop operating mechanism 2.
(E) in addition, when having fault, signal processing unit 13 also can send signal to control unit 14, and control unit 14 will be controlled alarm 10 and report to the police after receiving said signal.
The 5th execution mode of the present invention, automatic transfer switching electric appliance failure judgment and processing method may further comprise the steps:
(A) output of the change over switch on lead-out terminal signal gathering unit 12 is sent voltage signal, and change over switch handle position signal gathering unit 5 is sent position signalling;
(B) signal processing unit 13 receives said voltage signal and said position signalling respectively;
(C) 13 pairs of said voltage signals of signal processing unit and said position signalling are analyzed, and judge the position of side change over switch commonly used and/or the position of prepped side change over switch.Signal processing unit 13 also further judges whether to exist handle to fracture and/or contact melting welding fault; At said side change over switch commonly used when make position changes to open position; If side change over switch commonly used is in open position; And the voltage signal of change over switch output signal gathering unit 12 is zero, then thinks fault-free; If side change over switch commonly used is in open position, and the voltage signal of change over switch output signal gathering unit 12 is non-vanishing, then thinks to exist handle to fracture and/or contact melting welding fault;
(D) think when signal processing unit 13 and exist handle to fracture and/or during contact melting welding fault, signal processing unit 13 can send signal to control unit 14.Control unit 14 will stop operating mechanism 2 after receiving said signal, to avoid power supply commonly used and stand-by power supply short circuit.
(E) in addition, when having fault, signal processing unit 13 also can send signal to control unit 14, and control unit 14 will be controlled alarm 10 and report to the police after receiving said signal.
According to the 6th execution mode of the present invention, automatic transfer switching electric appliance failure judgment and processing method may further comprise the steps:
(A) output of the change over switch on lead-out terminal signal gathering unit 12 is sent voltage signal, and change over switch handle position signal gathering unit 5 is sent position signalling;
(B) signal processing unit 13 receives said voltage signal and said position signalling respectively;
(C) 13 pairs of said voltage signals of signal processing unit and said position signalling are analyzed, and judge the position of side change over switch commonly used and/or the position of prepped side change over switch.Signal processing unit 13 also further judges whether to exist the inner dropout fault of change over switch; When the side change over switch said commonly used that is in the close position is threaded off; If side change over switch commonly used is in the close position; And the voltage signal of change over switch output signal gathering unit 12 is zero, then thinks to have the inner dropout fault of change over switch; If side change over switch commonly used is in the close position, and the voltage signal of change over switch output signal gathering unit 12 is non-vanishing, then thinks fault-free
(D) think that when having the inner dropout fault of change over switch, signal processing unit 13 can send signal to control unit 14 when signal processing unit 13.Control unit 14 will stop operating mechanism 2 after receiving said signal.
(E) in addition, when having fault, signal processing unit 13 also can send signal to control unit 14, and control unit 14 will be controlled alarm 10 and report to the police after receiving said signal.
The above is merely preferred embodiments of the present invention, it will be understood by those skilled in the art that in some cases, and the prepped side among the present invention also can be used as side commonly used and uses, and side commonly used also can be used as prepped side and uses.Various execution mode of the present invention is not in order to restriction the present invention, and is all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. automatic transfer switching electric appliance; Comprise a side change over switch commonly used; A prepped side change over switch; An operating mechanism; A control unit; A signal processing unit; One group of power input terminal commonly used; One group of stand-by power supply input terminal; One group of lead-out terminal and power status signal gathering unit; Said side change over switch commonly used connects said power input terminal commonly used and said lead-out terminal; Said prepped side change over switch connects said stand-by power supply input terminal and said lead-out terminal; Said operating mechanism mechanically engages with said side change over switch handle commonly used and said prepped side change over switch handle; So that said operating mechanism can correctly be controlled the position of each said change over switch handle; Said power status signal gathering unit is arranged on said one group of power input terminal commonly used and/or the said one group of stand-by power supply input terminal
It is characterized in that said automatic transfer switching electric appliance also comprises:
Change over switch output signal gathering unit is arranged on said one group of lead-out terminal, is used to gather the signal on said one group of lead-out terminal, and the signal that collects is sent to said signal processing unit;
Change over switch handle position signal gathering unit is used to gather the position signalling of said side change over switch handle commonly used and/or said prepped side change over switch handle, and the signal that collects is sent to said signal processing unit,
Said signal processing unit is arranged to; Can be when make position changes to open position at said side change over switch commonly used; To analyzing from the position signalling of said change over switch handle position signal gathering unit with from the voltage signal of said change over switch output signal gathering unit; Thereby can judge whether said side change over switch commonly used and/or said prepped side change over switch exist handle to fracture and/or contact melting welding fault, and when having said fault, said control unit will stop said operating mechanism; And can closed said prepped side change over switch; And said signal processing unit can also be when the side change over switch said commonly used that is in the close position be threaded off, to analyzing from the position signalling of said change over switch handle position signal gathering unit with from the voltage signal of said change over switch output signal gathering unit; Thereby can judge whether said side change over switch commonly used and/or said prepped side change over switch exist inner dropout fault; When having said fault, said control unit will stop said operating mechanism, and can closed said prepped side change over switch.
2. automatic transfer switching electric appliance as claimed in claim 1; It is characterized in that said signal processing unit also is arranged to, can be when the side change over switch said commonly used that is in the close position be threaded off; Judge whether said side change over switch commonly used and/or said prepped side change over switch exist inner dropout fault; When having said fault, said control unit will stop said operating mechanism, and can closed said prepped side change over switch.
3. as each described automatic transfer switching electric appliance of above-mentioned claim; It is characterized in that; Said change over switch handle position signal gathering unit is gathered the position signalling of the side change over switch said commonly used that mechanically engages with said operating mechanism and/or the position signalling of said prepped side change over switch through gathering the position signalling of said operating mechanism.
4. automatic transfer switching electric appliance as claimed in claim 3 is characterized in that, said change over switch handle position signal gathering unit is three position transducers.
5. automatic transfer switching electric appliance as claimed in claim 4 is characterized in that, said position transducer is the photoelectricity coupling sensor.
6. automatic transfer switching electric appliance as claimed in claim 5 is characterized in that, said automatic transfer switching electric appliance also comprises an alarm, and said alarm is used for when said automatic transfer switching electric appliance breaks down, reporting to the police.
7. method of judging and handling the automatic transfer switching electric appliance fault, it uses the described automatic transfer switching electric appliance of claim 1, said method comprising the steps of:
(A) on lead-out terminal, gather voltage signal, and gather the position signalling of change over switch handle;
(B) signal processing unit receives respectively from the voltage signal on the said lead-out terminal with from the position signalling of change over switch handle position signal gathering unit;
(C) analyze said voltage signal and said position signalling; When make position changes to open position,, and there is voltage signal on the said lead-out terminal at said side change over switch commonly used if said side change over switch commonly used is in open position; Then exist handle to fracture and/or contact melting welding fault; Stop operating mechanism and can closed said prepped side change over switch, if said side change over switch commonly used is in open position and does not have voltage signal, then fault-free on the said lead-out terminal.
8. method as claimed in claim 7 is characterized in that, stop operating mechanism and can closed said prepped side change over switch after, also comprise the step of warning.
9. method of judging and handling the automatic transfer switching electric appliance fault, it uses the described automatic transfer switching electric appliance of claim 1, said method comprising the steps of:
(A) on lead-out terminal, gather voltage signal, and with the position signalling of gathering the change over switch handle;
(B) signal processing unit receive respectively on the said lead-out terminal voltage signal and from the position signalling of change over switch handle position signal gathering unit;
(C) analyze said voltage signal and said position signalling; When the side change over switch said commonly used that is in the close position takes place to thread off; If said side change over switch commonly used is in the close position and does not have voltage signal on the said lead-out terminal, then there is the inner dropout fault of said side change over switch commonly used, stop operating mechanism and can closed said prepped side change over switch;, said side change over switch commonly used has voltage signal, then fault-free on the said lead-out terminal if being in the close position.
10. method as claimed in claim 9 is characterized in that, said stop operating mechanism and can closed said prepped side change over switch after, also comprise the step of warning.
11. the method judging and handle the automatic transfer switching electric appliance fault, it uses the described automatic transfer switching electric appliance of claim 1, said method comprising the steps of:
(A) on lead-out terminal, gather voltage signal, and with the position signalling of gathering the change over switch handle;
(B) signal processing unit receive respectively on the said lead-out terminal voltage signal and from the position signalling of change over switch handle position signal gathering unit;
(C) analyze said voltage signal and said position signalling; At said side change over switch commonly used when make position changes to open position; If said side change over switch commonly used is in open position and has voltage signal on the said lead-out terminal; Then exist handle to fracture and/or contact melting welding fault, if said side change over switch commonly used is in open position and does not have voltage signal, then fault-free on the said lead-out terminal; When the side change over switch said commonly used that is in the close position takes place to thread off;, said side change over switch commonly used do not have voltage signal on the said lead-out terminal if being in the close position; Then there is the inner dropout fault of said side change over switch commonly used; Stop operating mechanism and can closed said prepped side change over switch, have voltage signal, then fault-free if said side change over switch commonly used is in the close position on the said lead-out terminal.
12. method as claimed in claim 11 is characterized in that, said stop operating mechanism and can closed said prepped side change over switch after, also comprise the step of warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910000199 CN101783252B (en) | 2009-01-16 | 2009-01-16 | Automatic transfer switching electric appliance and method for judging and treating failure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910000199 CN101783252B (en) | 2009-01-16 | 2009-01-16 | Automatic transfer switching electric appliance and method for judging and treating failure thereof |
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| Publication Number | Publication Date |
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| CN101783252A CN101783252A (en) | 2010-07-21 |
| CN101783252B true CN101783252B (en) | 2012-12-12 |
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| CN 200910000199 Expired - Fee Related CN101783252B (en) | 2009-01-16 | 2009-01-16 | Automatic transfer switching electric appliance and method for judging and treating failure thereof |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386675B (en) * | 2011-11-25 | 2014-01-29 | 常熟开关制造有限公司(原常熟开关厂） | Automatic changeover switch |
| CN103676641B (en) * | 2013-12-24 | 2016-08-17 | 施耐德万高（天津）电气设备有限公司 | Automatic transfer switching electric appliance control system that low cost is highly reliable and control method |
| CN106656136A (en) * | 2015-10-30 | 2017-05-10 | 西门子公司 | Automatic change-over switch electric appliance |
| CN110444416B (en) * | 2018-05-04 | 2022-01-21 | 施耐德电器工业公司 | Driving mechanism of dual-power automatic transfer switch and dual-power automatic transfer switch |
| CN110444417B (en) * | 2018-05-04 | 2021-09-21 | 施耐德电器工业公司 | Dual-power transfer switch and switching mechanism thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2894032Y (en) * | 2006-03-13 | 2007-04-25 | 天津市铱科智能机械技术开发有限公司 | Automatic changeover switch controller |
| CN2938529Y (en) * | 2006-06-27 | 2007-08-22 | 深圳泰永科技有限公司 | Automatic change-over switch electrical equipment with overcurrent, short-circuit detection function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030075982A1 (en) * | 2000-04-11 | 2003-04-24 | Seefeldt William J. | Transfer switch |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2894032Y (en) * | 2006-03-13 | 2007-04-25 | 天津市铱科智能机械技术开发有限公司 | Automatic changeover switch controller |
| CN2938529Y (en) * | 2006-06-27 | 2007-08-22 | 深圳泰永科技有限公司 | Automatic change-over switch electrical equipment with overcurrent, short-circuit detection function |
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| CN101783252A (en) | 2010-07-21 |
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