CN104614671A - Calibration aiding device for time relay and calibration method - Google Patents
Calibration aiding device for time relay and calibration method Download PDFInfo
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- CN104614671A CN104614671A CN201510051774.1A CN201510051774A CN104614671A CN 104614671 A CN104614671 A CN 104614671A CN 201510051774 A CN201510051774 A CN 201510051774A CN 104614671 A CN104614671 A CN 104614671A
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Abstract
The invention discloses a calibration aiding device for a time relay. The device comprises an AC voltage output module, a DC voltage output module and a function changeover switch; the function changeover switch is a double-pole-double-throw switch; a first upper contact and a third upper contact of the first switch are connected and then are connected to the input end of the time relay; a first lower contact and a third lower contact of the second switch are respectively communicated with two contact terminals of the time relay; when measuring a power-on type time relay, a second lower contact and a third lower contact are connected to a first signal channel of a digital millisecond meter; when measuring a power-off type time relay, the second lower contact and the third lower contact are connected to the first signal channel of the digital millisecond meter, and two contact terminals of the relay are connected to a third signal channel of the digital millisecond meter. With the adoption of the device, a plurality of groups of DC voltage can be provided; the time relays of two times can be calibrated by switching over through one device; the wiring is simple; the use is convenient.
Description
Technical field
The present invention relates to the calibrating installation of the time relay, particularly time relay alignment aid and calibration steps.
Background technology
The time relay refers to that relay is from obtaining input signal, certain time-delay is had to contact action, its time delay meets again the relay of accuracy requirement, and it is actually a kind of voltage relay with delayed contact, and its time-delay characteristics have on-delay and power cut off delay two kinds; Its contact also has snap action and deferred action two kinds, and the time relay is generally used in various protection and aut.eq. as auxiliary element, makes to be obtained required time delay by the action of control element.Electronical time relay, also known as the semiconductor time relay, the time relay utilizing semiconductor element to make has a series of advantages such as applied widely, delay precision is high, easy to adjust, the life-span is long, is widely used in automatic control system.
The time relay can be divided into by delay pattern: 1. on-delay type.This relay coil is after acquisition input signal (or energising), and trigger immediately, treats that time delay is complete, and it performs part (i.e. contact) and just outputs signal (i.e. action).When input signal disappears, state before relay recovery action.Its action situation, the time namely experienced from coil electricity to contact action, (T) claimed the on-delay time.2. power cut off delay type.This relay is contrary with the former, when after acquisition input signal (energising), enforcement division is divided and is outputed signal immediately, when input signal disappears (power-off), relay is through certain time-delay, just can return to state before action, be the power cut off delay time from coil blackout to contact reset required time.
China has issued " electronical time relay calibrating standard " on April 12nd, 2011, and implement July 12 the same year, but domesticly so far do not produce the time relay delay time detector conformed to code requirement, if and adopt digital electric stopwatch or digital millisecond instrument to calibrate by calibrating standard, during calibration, circuit builds complexity, easily make mistakes, and hidden danger is brought to instrument and equipment and operator safety.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of time relay alignment aid, comprise alternating voltage output module, direct voltage output module and function change-over switch,
Described alternating voltage output module is for exporting the alternating voltage of several different electric pressures, and described direct voltage output module is for exporting the DC voltage of several different electric pressures;
Described function change-over switch comprises the first switch and the second switch of interlock, described first switch comprises the first plectrum, the first upper contact, the second upper contact and the 3rd upper contact, the stiff end of described first plectrum is connected with the second upper contact, described second upper contact is for connecting one of them output terminal of described alternating voltage output module or direct voltage output module, and described first upper contact is connected with the 3rd upper contact and voltage input end for being connected the energising type time relay to be measured or the power-off type time relay; Accordingly, described second switch comprises the second plectrum, the first lower contact, the second lower contact and the 3rd lower contact, the stiff end of described second plectrum is connected with the second lower contact, and described first lower contact and the 3rd lower contact are respectively used to two contacts being connected the energising type time relay to be measured.
Particularly, described first plectrum has three kinds of operating states: be communicated with the first upper contact, unsettled and be communicated with the 3rd upper contact; Accordingly, described second plectrum has three kinds of operating states: be communicated with the first lower contact, unsettled and be communicated with the 3rd lower contact; While described first plectrum is communicated with the first upper contact, the second plectrum is communicated with the first lower contact; While described first plectrum is communicated with the 3rd upper contact, the second plectrum is communicated with the 3rd lower contact.
Preferably, the function change-over switch also comprising control panel and be arranged on described control panel and several interfaces, described interface comprises power supply input interface and several voltage output interfaces, described voltage output interface is corresponding with the output terminal of described alternating voltage output module and direct voltage output module respectively to be connected, and described power supply input interface is connected with described function change-over switch.
Preferably, described interface also comprises energising type time relay interface and power-off type time relay interface, described energising type time relay interface is for connecting the energising type time relay to be measured and described function change-over switch, and described power-off type time relay interface is for connecting the power-off type time relay to be measured and described function change-over switch.
Preferably, described interface also comprises the first output interface, the second output interface, the 3rd output interface and the 4th output interface, described first output interface and the second output interface are connected with described second lower contact and described 3rd lower contact respectively, and described 3rd output interface and the 4th output interface are connected with two contacts of the power-off type time relay to be measured respectively.
Preferably, it is the alternating voltage of 220V, 110V, 36V, 24V that described alternating voltage output module is used for output voltage grade, and it is the DC voltage of 12V, 24V, 36V that described direct voltage output module is used for output voltage grade.
Preferably, also comprise plug, described plug is used for external AC power supply, is described alternating voltage output module and direct voltage output module for power supply.
Preferably, described function change-over switch is double-point double-throw switch; Described first plectrum and the second plectrum are by a handle control action.
Correspondingly, present invention also offers a kind of calibration steps of the type time relay that is energized, the method utilizes above-mentioned time relay alignment aid, comprises the following steps:
S1, the first plectrum of function change-over switch and the second plectrum are placed in vacant state;
S2, operating voltage according to the energising type time relay to be measured, the output terminal of corresponding alternating voltage output module or direct voltage output module is connected with function change-over switch, the energising type time relay is connected with function change-over switch, second lower contact and the 3rd lower contact are connected into the first signalling channel of digital millisecond instrument, corresponding measurement parameter setting is carried out to digital millisecond instrument, and connects the power supply of digital millisecond instrument, alternating voltage output module and/or direct voltage output module;
S3, be communicated with the first upper contact by the first plectrum of function change-over switch, the second plectrum is communicated with the first lower contact;
S4, basis calibrate the delay time of the energising type time relay from the numerical value that digital millisecond instrument reads.
Correspondingly, present invention also offers a kind of calibration steps of the power-off type time relay, the method utilizes above-mentioned time relay alignment aid, comprises the following steps:
S1, the first plectrum of function change-over switch and the second plectrum are placed in vacant state;
S2, according to the operating voltage of the power-off type time relay to be measured, the output terminal of corresponding alternating voltage output module or direct voltage output module is connected with function change-over switch, the power-off type time relay is connected with function change-over switch, second lower contact and the 3rd lower contact are connected into the first signalling channel of digital millisecond instrument, two contacts of the power-off type time relay are connected into the secondary signal passage of digital millisecond instrument, and corresponding optimum configurations is carried out to digital millisecond instrument, and connect digital millisecond instrument, the power supply of alternating voltage output module and/or direct voltage output module,
S3, be communicated with the 3rd upper contact by the first plectrum of function change-over switch, the second plectrum is communicated with the 3rd lower contact, continues predetermined preheating time;
S4, the first plectrum of function change-over switch and the second plectrum are placed in vacant state;
S5, basis calibrate the delay time of the power-off type time relay from the numerical value that digital millisecond instrument reads.The present invention is applicable to the calibration of the delay time of the various time relay, is specially adapted to electronical time relay.
By combinationally using of time relay alignment aid provided by the invention and digital millisecond instrument, solve and there is no corresponding delay time calibrating installation, thus cause and to need to use accessory to build testing circuit in real work temporarily, waste time and energy and also bring the problem of potential safety hazard.
Apply apparatus and method provided by the invention, there is following beneficial effect:
1, by adopting direct voltage output module and alternating voltage output module, the present invention can provide multiple combined-voltage for needing the time relay of calibration, comprises the voltage of direct current 12V, 24V, 36V and alternating current 220V, 110V, 36V and 24V.
2, only just can be realized the calibration of the energising type time relay and the power-off type time relay by the switching of function change-over switch with a device, only the energising type time relay or the power-off type time relay that need calibration need be accessed this device corresponding wiring interface during wiring, signal output part is accessed the signal input channel of digital millisecond instrument, again circuit need not be built, wiring is simple, easy to use.
3, this apparatus structure simple, be easy to carry, be specially adapted to field calibration.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art and advantage, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit theory diagrams of the time relay alignment aid that the embodiment of the present invention provides;
Fig. 2 is the control panel schematic diagram of the time relay alignment aid that the embodiment of the present invention provides;
In figure: 1-first upper contact, 2-second upper contact, 3-the 3rd upper contact, 4-first lower contact, 5-second lower contact, 6-the 3rd lower contact.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiment:
Refer to Fig. 1, Fig. 2, embodiments provide a kind of time relay alignment aid, comprise alternating voltage output module, direct voltage output module and function change-over switch,
Described alternating voltage output module is for exporting the alternating voltage of several different electric pressures, and described direct voltage output module is for exporting the DC voltage of several different electric pressures;
Described function change-over switch comprises the first switch and the second switch of interlock, described first switch comprises the first plectrum, the first upper contact 1, second upper contact 2 and the 3rd upper contact 3, the stiff end of described first plectrum is connected with the second upper contact 2, described second upper contact 2 is for connecting one of them output terminal of described alternating voltage output module or direct voltage output module, and described first upper contact 1 is connected with the 3rd upper contact 3 and voltage input end for being connected the energising type time relay to be measured or the power-off type time relay; Accordingly, described second switch comprises the second plectrum, the first lower contact 4, second lower contact 5 and the 3rd lower contact 6, the stiff end of described second plectrum is connected with the second lower contact 5, and described first lower contact 4 and the 3rd lower contact 6 are respectively used to two contacts being connected the energising type time relay to be measured.
Particularly, described first plectrum has three kinds of operating states: be communicated with the first upper contact 1, unsettled and be communicated with the 3rd upper contact 3; Accordingly, described second plectrum has three kinds of operating states: be communicated with the first lower contact 4, unsettled and be communicated with the 3rd lower contact 6; While described first plectrum is communicated with the first upper contact 1, the second plectrum is communicated with the first lower contact 4; While described first plectrum is communicated with the 3rd upper contact 3, the second plectrum is communicated with the 3rd lower contact 6.
Preferably, the function change-over switch also comprising control panel and be arranged on described control panel and several interfaces, described interface comprises power supply input interface and several voltage output interfaces, described voltage output interface is corresponding with the output terminal of described alternating voltage output module and direct voltage output module respectively to be connected, and described power supply input interface is connected with described function change-over switch.
Preferably, described interface also comprises energising type time relay interface and power-off type time relay interface, described energising type time relay interface is for connecting the energising type time relay to be measured and described function change-over switch, and described power-off type time relay interface is for connecting the power-off type time relay to be measured and described function change-over switch.
Preferably, described interface also comprises the first output interface, the second output interface, the 3rd output interface and the 4th output interface, described first output interface and the second output interface are connected with described second lower contact 5 and described 3rd lower contact 6 respectively, and described 3rd output interface and the 4th output interface are connected with two contacts of the power-off type time relay to be measured respectively.
Preferably, it is the alternating voltage of 220V, 110V, 36V, 24V that described alternating voltage output module is used for output voltage grade, and it is the DC voltage of 12V, 24V, 36V that described direct voltage output module is used for output voltage grade.
Preferably, also comprise plug, described plug is used for external AC power supply, is described alternating voltage output module and direct voltage output module for power supply.
Preferably, described function change-over switch is double-point double-throw switch; Described first plectrum and the second plectrum are by a handle control action.
Preferably, the corresponding three kinds of switching states of the function change-over switch on control panel, " on-delay ", " breaking ", " power cut off delay ", wherein, " on-delay " is communicated with the first upper contact 1 corresponding to the first plectrum, and the second plectrum is communicated with the first lower contact 4; " break " and be in vacant state corresponding to the first plectrum and the second plectrum, not with any contact; " power cut off delay " is communicated with the 3rd upper contact 3 corresponding to the first plectrum, and the second plectrum is communicated with the 3rd lower contact 6.
Correspondingly, present invention also offers a kind of calibration steps of the type time relay that is energized, the method utilizes above-mentioned time relay alignment aid, comprises the following steps:
S1, the first plectrum of function change-over switch and the second plectrum are placed in vacant state;
Accordingly, on control panel, function change-over switch is placed in " breaking ";
S2, operating voltage according to the energising type time relay to be measured, the output terminal of corresponding alternating voltage output module or direct voltage output module is connected with function change-over switch, the energising type time relay is connected with function change-over switch, second lower contact and the 3rd lower contact are connected into the first signalling channel of digital millisecond instrument, corresponding measurement parameter setting is carried out to digital millisecond instrument, and connects the power supply of digital millisecond instrument, alternating voltage output module and/or direct voltage output module;
Preferably, the first output interface on control panel and the second output interface access the first signalling channel of digital millisecond instrument, digital millisecond instrument " single-continuous " selector switch puts single, during as calibrated with the normally closed contact of the time relay, the function change-over switch of digital millisecond instrument is put " idle contact closes ", during as calibrated with the normally opened contact of the time relay, the function change-over switch of digital millisecond instrument is put " idle contact disconnection ", selects suitable markers;
S3, be communicated with the first upper contact by the first plectrum of function change-over switch, the second plectrum is communicated with the first lower contact;
Preferably, the function change-over switch on control panel is placed in " on-delay ", time relay delayed startup, and digital millisecond instrument starts timing simultaneously, and delay time terminates, and digital millisecond instrument stops timing;
S4, basis calibrate the delay time of the energising type time relay from the numerical value that digital millisecond instrument reads.
Correspondingly, present invention also offers a kind of calibration steps of the power-off type time relay, the method utilizes above-mentioned time relay alignment aid, comprises the following steps:
S1, the first plectrum of function change-over switch and the second plectrum are placed in vacant state, i.e. off-state;
Accordingly, on control panel, function change-over switch is placed in " breaking ";
S2, according to the operating voltage of the power-off type time relay to be measured, the output terminal of corresponding alternating voltage output module or direct voltage output module is connected with function change-over switch, the power-off type time relay is connected with function change-over switch, second lower contact and the 3rd lower contact are connected into the first signalling channel of digital millisecond instrument, two contacts of the power-off type time relay are connected into the secondary signal passage of digital millisecond instrument, and corresponding optimum configurations is carried out to digital millisecond instrument, and connect digital millisecond instrument, the power supply of alternating voltage output module and/or direct voltage output module,
Preferably, the first output interface on control panel and the second output interface access the first signalling channel of digital millisecond instrument, and the 3rd output interface and the 4th output interface access the secondary signal passage of digital millisecond instrument; Digital millisecond instrument " single-continuous " selector switch puts single, and the function change-over switch of digital millisecond instrument is put " empty node ", selects suitable markers;
S3, be communicated with the 3rd upper contact by the first plectrum of function change-over switch, the second plectrum is communicated with the 3rd lower contact, continues predetermined preheating time;
Preferably, the function change-over switch on control panel is placed in " power cut off delay ", and time relay power supply is connected, and continues predetermined preheating time;
S4, the first plectrum of function change-over switch and the second plectrum are placed in vacant state;
Preferably, the function change-over switch on control panel is placed in " breaking ", and time relay power cut off delay starts, and digital millisecond instrument starts timing simultaneously, and setting time terminates, and digital millisecond instrument stops timing;
S5, basis calibrate the delay time of the power-off type time relay from the numerical value that digital millisecond instrument reads.
The present invention is applicable to the calibration of the delay time of the various time relay, is specially adapted to electronical time relay.
By combinationally using of time relay alignment aid provided by the invention and digital millisecond instrument, solve and there is no corresponding delay time calibrating installation, thus cause and to need to use accessory to build testing circuit in real work temporarily, waste time and energy and also bring the problem of potential safety hazard.
Apply apparatus and method provided by the invention, there is following beneficial effect:
1, by adopting direct voltage output module and alternating voltage output module, the present invention can provide multiple combined-voltage for needing the time relay of calibration, comprises the voltage of direct current 12V, 24V, 36V and alternating current 220V, 110V, 36V and 24V.
2, only just can be realized the calibration of the energising type time relay and the power-off type time relay by the switching of function change-over switch with a device, only the energising type time relay or the power-off type time relay that need calibration need be accessed this device corresponding wiring interface during wiring, signal output part is accessed the signal input channel of digital millisecond instrument, again circuit need not be built, wiring is simple, easy to use.
3, this apparatus structure simple, be easy to carry, be specially adapted to field calibration.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. time relay alignment aid, is characterized in that, comprises alternating voltage output module, direct voltage output module and function change-over switch,
Described alternating voltage output module is for exporting the alternating voltage of several different electric pressures, and described direct voltage output module is for exporting the DC voltage of several different electric pressures;
Described function change-over switch comprises the first switch and the second switch of interlock, described first switch comprises the first plectrum, first upper contact (1), second upper contact (2) and the 3rd upper contact (3), the stiff end of described first plectrum is connected with the second upper contact (2), described second upper contact (2) is for connecting one of them output terminal of described alternating voltage output module or direct voltage output module, described first upper contact (1) is connected with the 3rd upper contact (3) and voltage input end for being connected the energising type time relay to be measured or the power-off type time relay, accordingly, described second switch comprises the second plectrum, the first lower contact (4), the second lower contact (5) and the 3rd lower contact (6), the stiff end of described second plectrum is connected with the second lower contact (5), and described first lower contact (4) and the 3rd lower contact (6) are respectively used to two contacts being connected the energising type time relay to be measured.
2. time relay alignment aid according to claim 1, is characterized in that, described first plectrum has three kinds of operating states: be communicated with the first upper contact (1), unsettled and be communicated with the 3rd upper contact (3); Accordingly, described second plectrum has three kinds of operating states: be communicated with the first lower contact (4), unsettled and be communicated with the 3rd lower contact (6); While described first plectrum is communicated with the first upper contact (1), the second plectrum is communicated with the first lower contact (4); While described first plectrum is communicated with the 3rd upper contact (3), the second plectrum is communicated with the 3rd lower contact (6).
3. time relay alignment aid according to claim 1 and 2, it is characterized in that, the function change-over switch also comprising control panel and be arranged on described control panel and several interfaces, described interface comprises power supply input interface and several voltage output interfaces, described voltage output interface is corresponding with the output terminal of described alternating voltage output module and direct voltage output module respectively to be connected, and described power supply input interface is connected with described function change-over switch.
4. time relay alignment aid according to claim 3, it is characterized in that, described interface also comprises energising type time relay interface and power-off type time relay interface, described energising type time relay interface is for connecting the energising type time relay to be measured and described function change-over switch, and described power-off type time relay interface is for connecting the power-off type time relay to be measured and described function change-over switch.
5. the time relay alignment aid according to claim 1 or 2 or 4, it is characterized in that, described interface also comprises the first output interface, the second output interface, the 3rd output interface and the 4th output interface, described first output interface and the second output interface are connected with described second lower contact (5) and described 3rd lower contact (6) respectively, and described 3rd output interface and the 4th output interface are connected with two contacts of the power-off type time relay to be measured respectively.
6. time relay alignment aid according to claim 5, it is characterized in that, it is the alternating voltage of 220V, 110V, 36V, 24V that described alternating voltage output module is used for output voltage grade, and it is the DC voltage of 12V, 24V, 36V that described direct voltage output module is used for output voltage grade.
7. the time relay alignment aid according to claim 1 or 2 or 4 or 6, is characterized in that, also comprise plug, and described plug is used for external AC power supply, is described alternating voltage output module and direct voltage output module for power supply.
8. time relay alignment aid according to claim 7, is characterized in that, described function change-over switch is double-point double-throw switch; Described first plectrum and the second plectrum are by a handle control action.
9. the calibration steps of the energising type time relay, the method utilizes the time relay alignment aid in claim 1-8 described in any one, it is characterized in that, comprises the following steps:
S1, the first plectrum of function change-over switch and the second plectrum are placed in vacant state;
S2, operating voltage according to the energising type time relay to be measured, the output terminal of corresponding alternating voltage output module or direct voltage output module is connected with function change-over switch, the energising type time relay is connected with function change-over switch, second lower contact and the 3rd lower contact are connected into the first signalling channel of digital millisecond instrument, corresponding measurement parameter setting is carried out to digital millisecond instrument, and connects the power supply of digital millisecond instrument, alternating voltage output module and/or direct voltage output module;
S3, be communicated with the first upper contact by the first plectrum of function change-over switch, the second plectrum is communicated with the first lower contact;
S4, basis calibrate the delay time of the energising type time relay from the numerical value that digital millisecond instrument reads.
10. the calibration steps of the power-off type time relay, the method utilizes the time relay alignment aid in claim 1-8 described in any one, it is characterized in that, comprises the following steps:
S1, the first plectrum of function change-over switch and the second plectrum are placed in vacant state;
S2, according to the operating voltage of the power-off type time relay to be measured, the output terminal of corresponding alternating voltage output module or direct voltage output module is connected with function change-over switch, the power-off type time relay is connected with function change-over switch, second lower contact and the 3rd lower contact are connected into the first signalling channel of digital millisecond instrument, two contacts of the power-off type time relay are connected into the secondary signal passage of digital millisecond instrument, and corresponding optimum configurations is carried out to digital millisecond instrument, and connect digital millisecond instrument, the power supply of alternating voltage output module and/or direct voltage output module,
S3, be communicated with the 3rd upper contact by the first plectrum of function change-over switch, the second plectrum is communicated with the 3rd lower contact, continues predetermined preheating time;
S4, the first plectrum of function change-over switch and the second plectrum are placed in vacant state;
S5, basis calibrate the delay time of the power-off type time relay from the numerical value that digital millisecond instrument reads.
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Application publication date: 20150513 |