CN101419272B - Motor comprehensive test instrument - Google Patents
Motor comprehensive test instrument Download PDFInfo
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- CN101419272B CN101419272B CN2008101623131A CN200810162313A CN101419272B CN 101419272 B CN101419272 B CN 101419272B CN 2008101623131 A CN2008101623131 A CN 2008101623131A CN 200810162313 A CN200810162313 A CN 200810162313A CN 101419272 B CN101419272 B CN 101419272B
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- protector
- time relay
- motor
- down transformer
- shell
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Abstract
The invention relates to a comprehensive motor testing instrument, which comprises a shell, wherein the shell is provided with a power supply incoming wire end and a wire connecting terminal connected with a motor joint. The comprehensive motor testing instrument also comprises a detecting switch, a time relay, a first reducing transformer, ammeters, and a testing interface connected with a temperature mode protector or a manual overload current protector, wherein the power supply incoming wire end is connected with the detecting switch in series; the detecting switch is connected with the time relay in series; the time relay is connected with the primary side of the first reducing transformer; the secondary side of the first reducing transformer is connected with the test interface; and the secondary side of the first reducing transformer and a testing interface circuit are provided with the ammeters. The invention provides a comprehensive motor testing instrument capable of testing the temperature mode protector and the manual overload current protector.
Description
Technical field
The present invention relates to electromechanical testing equipment.
Background technology
For the detection of common electric machine lead-in wire mode, with reference to Fig. 1, when detecting the meeting of motor down-lead numbering, as long as remove top two copper sheets, directly the break-make of measuring it with multimeter just can be known the accordance that its motor down-lead is numbered.
In the motor production field; motor performance and production technology are all improving and progress; the client is more and more higher to the requirement of motor; with traditional common electric machine a lot of different places are arranged; for example adopt multioutlet, multivoltage, band temperature protector, have overcurrent protective device etc.; testing apparatus that present domestic detection motor is used and instrument can not adapt to the detection demand of these New-type electric machines, and detection means also can't satisfy the needs of production development.
Summary of the invention
Can not detected temperatures type protector in order to overcome existing electromechanical testing equipment, the manual deficiency of overload current protector, the invention provides a kind of can detected temperatures type protector, the manual motor comprehensive test instrument of overload current protector.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of motor comprehensive test instrument; comprise shell; shell is provided with power inleting terminal and the connection terminal that is connected with the joint of motor; described motor comprehensive test instrument also comprises test circuit; described test circuit comprises detector switch; the time relay; first step-down transformer; reometer and the test interface that is connected with temperature mode protector or manual overload current protector; described power inleting terminal serial connection detector switch; described detector switch is connected with the time relay; the described time relay is connected with the former limit of first step-down transformer; the secondary of described first step-down transformer is connected with described test interface, and the secondary of described first step-down transformer and the circuit of described test interface are provided with reometer.
Further, described test circuit also comprises three circuit number checking indicating circuits, described circuit number checking electronic circuit comprises second step-down transformer, pilot lamp and current-limiting resistance, the joint of described motor has three pairs, one of them joint in every butt junction connects an end of the secondary of second step-down transformer, the other end of the secondary of described second step-down transformer is connected in series with pilot lamp, current-limiting resistance, and described current-limiting resistance is connected with another joint in every butt junction; The former limit of described second step-down transformer is connected with power inleting terminal.
Further again, serial connection is used for the diode of directional current protection between described pilot lamp and current-limiting resistance.
The described time relay is a digital time relay, and the display location of described digital time relay is on shell.
Described power inleting terminal connects power light, and described power light is installed on the shell.The described time relay is in parallel with relay indicating light, and described relay indicating light is installed on the shell.The two ends of the secondary of described first step-down transformer are connected with protector break-make pilot lamp, and described protector break-make pilot lamp is installed on the shell.
Technical conceive of the present invention is: adopt the power supply of 220V AC power as this tester; carry out the alternating current of output LOW voltage after the pressure regulation through high-power transformer; connect tested temperature mode protector then; make and produce the rated operational current that meets temperature mode protector maximum in the temperature mode protector; check the used time of the time relay; by being connected on the digital electronic ammeter of the current transformer in this circuit; can check the break-make situation of temperature mode protector; digital time relay then shows the make-and-break time of protector, detects the technical requirement that whether reaches the specified tripping characteristic of temperature mode protector.
In like manner; with the power supply of 220V AC power as this tester; carry out through high-power transformer that the alternating current of output LOW voltage connects tested manual overload current protector then after the pressure regulation; make to produce in the manual overload current protector and meet the specified drop-away current of manual overload current protector; check the used time of the time relay; by being connected on the digital electronic ammeter of the current transformer in this circuit; can check the situation of manual overload current protector break-make; digital time relay then shows the make-and-break time of protector, detects the technical requirement that whether reaches the specified tripping characteristic of manual overload current protector.
For the motor that has the temperature mode protector; two copper sheets that the temperature mode protector has replaced the common electric machine wiring to close; the temperature mode protector be contained in again the motor internal coil above; the lead-in wire of temperature mode protector also is connected on coil inside; if measure the accordance of its motor down-lead numbering; after must threading off the temperature mode protector earlier, the accordance of its motor down-lead numbering of ability energy measurement.Adopt P4, the P5 of the low-voltage and high-current access motor of P4, P5 output to force its temperature mode protector to be threaded off; be divided into independently coil of three in motor; independently miniature transformer and three motor coils add that three pilot lamp form three independently loops, make its three pilot lamp operate as normal with three again.If instead the motor down-lead numbering is incorrect, three coils in transformer and the motor add that three pilot lamp can not form three independently loops, and three pilot lamp just can't show the accordance of motor down-lead numbering with regard to cisco unity malfunction.
Beneficial effect of the present invention mainly shows: 1, can detected temperatures type protector, manual overload current protector; 2, can detect the lead-in wire numbering of the motor that has the temperature mode protector; 3, simple in structure, easy to use.
Description of drawings
Fig. 1 is the lead-in wire numbering synoptic diagram of existing common electric machine.
Fig. 2 is the electrical schematic diagram of motor comprehensive test instrument.
Fig. 3 is the structural drawing of motor comprehensive test instrument.
Fig. 4 is the test synoptic diagram of temperature mode protector.
Fig. 5 is the test synoptic diagram of manual overload current protector.
Fig. 6 is the lead-in wire numbering synoptic diagram of built-in temperature type protector.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
With reference to Fig. 2～Fig. 6; a kind of motor comprehensive test instrument; comprise shell 1; shell 1 is provided with power inleting terminal and the connection terminal that is connected with the joint of motor; described motor comprehensive test instrument also comprises test circuit; described test circuit comprises detector switch K2; time relay sj; the first step-down transformer B1; reometer A and the test interface P1 that is connected with temperature mode protector or manual overload current protector; P2; described power inleting terminal serial connection detector switch K2; described detector switch K2 connects with time relay sj; described time relay sj is connected with the former limit of the first step-down transformer B1; the secondary of the described first step-down transformer B1 and described test interface P1; P2 connects, and the secondary of the described first step-down transformer B1 and the circuit of described test interface are provided with reometer A.
Described test circuit also comprises three circuit number checking indicating circuits, described circuit number checking electronic circuit comprises second step-down transformer, pilot lamp and current-limiting resistance, the joint of described motor has three pairs, one of them joint in every butt junction connects an end of the secondary of second step-down transformer, the other end of the secondary of described second step-down transformer is connected in series with pilot lamp, current-limiting resistance, and described current-limiting resistance is connected with another joint in every butt junction; The former limit of described second step-down transformer is connected with power inleting terminal.
Serial connection is used for the diode of directional current protection between described pilot lamp and current-limiting resistance.Described time relay sj is a digital time relay, and the display location of described digital time relay SJ is on shell 1.Described power inleting terminal connects power light D1, and described power light D1 is installed on the shell 1.Described time relay sj is in parallel with relay indicating light D2, and described relay indicating light D2 is installed on the shell 1.The two ends of the secondary of the described first step-down transformer B1 are connected with protector break-make pilot lamp D6, and described protector break-make pilot lamp D6 is installed on the shell 1.
Joint P4, the P5 of the motor of present embodiment, P6, T7, T8, T9, wherein P4 and T7 partner, and P5 and T8 partner, and P6 and T9 partner; Test interface comprises P1 and P2; Pilot lamp D3, D4 and the D5 of described circuit number checking indicating circuit.Time relay sj and A.C. contactor C interlock.
The method of testing of the motor comprehensive test instrument of present embodiment may further comprise the steps: at first, output terminal P4, P5, P6, T7, T8 and the T9 of this instrument receives the input end of motor accordingly; Turn on the power switch K1 then, power light D1 is bright; Open detector switch K2 again; relay indicating light D2 is bright, and the digital current Table A shows by the running current of temperature mode protector in the measured motor, forces its temperature mode protector to be threaded off; digital time relay SJ displays temperature type protector trip time, detect whether reach technical requirement.
The temperature mode protector is checked D3, D4, D5 pilot lamp after disconnecting, and its three pilot lamp operate as normal indications judge that the motor down-lead numbering is correct; If instead the motor down-lead numbering is incorrect, three pilot lamp are indicated with regard to cisco unity malfunction.The accordance of check verify motor down-lead numbering.
The detection of temperature mode protector is with detection interface P1P2 cut-in temperature type protector two ends; check the working current table then; and electric current transferred to the regulation parameter, check digital time relay SJ shows overcurrent protective device trip time whether to reach technical requirement.
Manually the detection of overload current protector is that detection interface P1, P2 are inserted manual overload current protector two ends; check the working current table then; and electric current transferred to the regulation parameter, check digital time relay SJ shows overcurrent protective device trip time whether to reach technical requirement.
Claims (6)
1. motor comprehensive test instrument, comprise shell, shell is provided with power inleting terminal and the connection terminal that is connected with the joint of motor, described motor comprehensive test instrument also comprises test circuit, described test circuit comprises detector switch, the time relay, first step-down transformer, reometer and the test interface that is connected with temperature mode protector or manual overload current protector, described power inleting terminal serial connection detector switch, described detector switch is connected with the time relay, the described time relay is connected with the former limit of first step-down transformer, the secondary of described first step-down transformer is connected with described test interface, the secondary of described first step-down transformer and the circuit of described test interface are provided with reometer, it is characterized in that: described test circuit also comprises three circuit number checking indicating circuits, described circuit number proof scheme comprises second step-down transformer, pilot lamp and current-limiting resistance, the joint of described motor has three pairs, corresponding respectively three circuit numbers checking of three butt junctions indicating circuit, one of them joint in every butt junction is connected an end of the secondary of the second corresponding step-down transformer, the other end of the secondary of described second step-down transformer and pilot lamp, current-limiting resistance serial connection, described current-limiting resistance is connected with another joint in every butt junction; The former limit of described second step-down transformer is connected with power inleting terminal.
2. motor comprehensive test instrument as claimed in claim 1 is characterized in that: serial connection is used for the diode of directional current protection between described pilot lamp and current-limiting resistance.
3. motor comprehensive test instrument as claimed in claim 1 or 2 is characterized in that: the described time relay is a digital time relay, and the display location of described digital time relay is on shell.
4. motor comprehensive test instrument as claimed in claim 3 is characterized in that: described power inleting terminal connects power light, and described power light is installed on the shell.
5. motor comprehensive test instrument as claimed in claim 3 is characterized in that: the described time relay is in parallel with relay indicating light, and described relay indicating light is installed on the shell.
6. motor comprehensive test instrument as claimed in claim 3 is characterized in that: the two ends of the secondary of described first step-down transformer are connected with protector break-make pilot lamp, and described protector break-make pilot lamp is installed on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101623131A CN101419272B (en) | 2008-12-01 | 2008-12-01 | Motor comprehensive test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101623131A CN101419272B (en) | 2008-12-01 | 2008-12-01 | Motor comprehensive test instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101419272A CN101419272A (en) | 2009-04-29 |
| CN101419272B true CN101419272B (en) | 2011-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101623131A Active CN101419272B (en) | 2008-12-01 | 2008-12-01 | Motor comprehensive test instrument |
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| Country | Link |
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| CN (1) | CN101419272B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104090175B (en) * | 2013-11-13 | 2017-09-29 | 浙江吉利控股集团有限公司 | A kind of rain shaving electrical machine temperature protector functional breadboard system and its control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314384Y (en) * | 1997-09-26 | 1999-04-14 | 宝山钢铁(集团)公司 | Multifunctional tester for A. C. generator of vehicle |
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2008
- 2008-12-01 CN CN2008101623131A patent/CN101419272B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2314384Y (en) * | 1997-09-26 | 1999-04-14 | 宝山钢铁(集团)公司 | Multifunctional tester for A. C. generator of vehicle |
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| Publication number | Publication date |
|---|---|
| CN101419272A (en) | 2009-04-29 |
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