CN201307154Y - Comprehensive test instrument for motor - Google Patents
Comprehensive test instrument for motor Download PDFInfo
- Publication number
- CN201307154Y CN201307154Y CNU200820168581XU CN200820168581U CN201307154Y CN 201307154 Y CN201307154 Y CN 201307154Y CN U200820168581X U CNU200820168581X U CN U200820168581XU CN 200820168581 U CN200820168581 U CN 200820168581U CN 201307154 Y CN201307154 Y CN 201307154Y
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- CN
- China
- Prior art keywords
- motor
- down transformer
- time relay
- protector
- test instrument
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
A comprehensive test instrument for a motor comprises a casing; a power supply inlet wire end and a connecting terminal connected with a connector of the motor are arranged on the casing; the comprehensive test instrument for the motor further comprises a test circuit; the test circuit comprises a detection switch, a time relay, a first step-down transformer, an ammeter and a temperature-type protector or a testing interface connected with a manual overload current protector; the power supply inlet wire end is connected in series with the detection switch; the detection switch is connected in series with the time relay; the time relay is connected with the primary side of the first step-down transformer; the secondary side of the first step-down transformer is connected with the testing interface; and the ammeter is arranged on the secondary side of the first step-down transformer and the circuit of the testing interface. The comprehensive test instrument for the motor provided by the utility model is capable of detecting the temperature-type protector and the manual overload current protector.
Description
Technical field
The utility model 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.
The utility model content
Can not detected temperatures type protector in order to overcome existing electromechanical testing equipment, the manual deficiency of overload current protector, the utility model provide a kind of can detected temperatures type protector, the manual motor comprehensive test instrument of overload current protector.
The technical scheme that its technical matters that solves the utility model adopts 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 utility model 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.
The beneficial effects of the utility model mainly show: 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 utility model 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 (7)
1; 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; it is characterized in that: 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.
2, motor comprehensive test instrument as claimed in claim 1, it is characterized in that: 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.
3, motor comprehensive test instrument as claimed in claim 2 is characterized in that: serial connection is used for the diode of directional current protection between described pilot lamp and current-limiting resistance.
4, as the described motor comprehensive test instrument of one of claim 1-3, it 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.
5, motor comprehensive test instrument as claimed in claim 4 is characterized in that: described power inleting terminal connects power light, and described power light is installed on the shell.
6, motor comprehensive test instrument as claimed in claim 4 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.
7, motor comprehensive test instrument as claimed in claim 4 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 |
|---|---|---|---|
| CNU200820168581XU CN201307154Y (en) | 2008-12-01 | 2008-12-01 | Comprehensive test instrument for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820168581XU CN201307154Y (en) | 2008-12-01 | 2008-12-01 | Comprehensive test instrument for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201307154Y true CN201307154Y (en) | 2009-09-09 |
Family
ID=41099621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820168581XU Expired - Lifetime CN201307154Y (en) | 2008-12-01 | 2008-12-01 | Comprehensive test instrument for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201307154Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185861A (en) * | 2011-12-30 | 2013-07-03 | 上海汽车集团股份有限公司 | Test system for thermal protection device of vehicle micromotor |
| CN103852679A (en) * | 2012-12-06 | 2014-06-11 | 东风汽车电子有限公司 | Resistance board reliability detector |
| CN105807223A (en) * | 2014-12-29 | 2016-07-27 | 上海大郡动力控制技术有限公司 | Detection and protection method of permanent magnet synchronous motor test current/time |
| CN103852679B (en) * | 2012-12-06 | 2016-11-30 | 东风汽车电子有限公司 | resistance board reliability detector |
-
2008
- 2008-12-01 CN CNU200820168581XU patent/CN201307154Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185861A (en) * | 2011-12-30 | 2013-07-03 | 上海汽车集团股份有限公司 | Test system for thermal protection device of vehicle micromotor |
| CN103185861B (en) * | 2011-12-30 | 2015-11-18 | 上海汽车集团股份有限公司 | The test macro of thermal protection device of vehicle micromotor |
| CN103852679A (en) * | 2012-12-06 | 2014-06-11 | 东风汽车电子有限公司 | Resistance board reliability detector |
| CN103852679B (en) * | 2012-12-06 | 2016-11-30 | 东风汽车电子有限公司 | resistance board reliability detector |
| CN105807223A (en) * | 2014-12-29 | 2016-07-27 | 上海大郡动力控制技术有限公司 | Detection and protection method of permanent magnet synchronous motor test current/time |
| CN105807223B (en) * | 2014-12-29 | 2020-03-06 | 上海大郡动力控制技术有限公司 | Detection and protection method for test current/time of permanent magnet synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090909 Effective date of abandoning: 20081201 |