CN204989418U - Online insulating detection control apparatus is shut down to motor based on signal pours into method into - Google Patents
Online insulating detection control apparatus is shut down to motor based on signal pours into method into Download PDFInfo
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- CN204989418U CN204989418U CN201520630959.3U CN201520630959U CN204989418U CN 204989418 U CN204989418 U CN 204989418U CN 201520630959 U CN201520630959 U CN 201520630959U CN 204989418 U CN204989418 U CN 204989418U
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Abstract
Online insulating detection control apparatus is shut down to motor based on signal pours into method into comprises control circuit part, controller part that control circuit part, second switch part and the second switch of first switch part and first switch part are partial. Because online insulating detection control apparatus is shut down to motor based on signal pours into method into, the interlock control of first switch, second switch when shutting down, through first switch partial control circuit, the partial control circuit of second switch, is realized to the various large -scale motor that uses in abominable locate environment, through time relay ST1's time -lag action, realize motor high voltage power supply and the switching that detects the power, put through the second switch after 10 minutes through the delay circuit time delay of inside, motor stator wiring end is received to the detection power of second switch in with the controller, pours into the signal into, realizes the insulating on -line measuring to motor stator, reacts the behaviour in service of motor effectively, in time, guarantees production processes's safety in production.
Description
Technical field
The utility model relates to the online Insulation monitoring control device of motor stopping based on signal injection method, uses the Workplace of medium-and-large-sized motor for industrial enterprise etc.
Background technology
The height of the insulation resistance of motor winding is one of index of evaluation electrical machine insulation performance and PROCESS FOR TREATMENT, for motor carry out the withstand voltage test of each several part, the test of the boosted voltage in short-term (interturn test) etc. of winding inter-turn provides reliability foundation.All define the measuring method to electrical machine insulation resistance in the standard of at home and abroad associated motor, and define ultimate value in a certain state.The quality of insulating property is relevant with every two phase windings, every insulating resistance value size between phase winding with casing, and the larger insulating property of insulation resistance are better.In motor operation course, the synergy impact of the many factors such as stator winding will be subject to electromagnetic force, expands with heat and contract with cold, mechanical force, electrochemical breakdown, these effects cause cumulative effect, along with the prolongation insulating property of service time will progressively reduce.When insulating resistance value is reduced to the ultimate value that motor standard specifies, cause electrical machine insulation fault.Cause great potential safety hazard to the normal starting of motor, work, the serviceable life of motor is shortened, this illustrates and carries out the analysis of insulation status to motor and protection is the necessary means that enhancing motor electrical insulation system is intact.
The utility model is based on the online Insulation monitoring control device of motor stopping of signal injection method; in process of production, when not disassembling connection terminal, detect the insulation resistance value of motor fast; and analyzed the insulation resistance value quality judging motor, to ensure the safety of production run.
Utility model content
The purpose of this utility model: be exactly motor by running status to halted state time, through the time delay of certain hour, power supply is transformed into low-voltage direct by high-voltage power supply and detects power supply, the input terminal of motor connects low-tension supply, inject direct current signal and carry out on-line measurement to the insulation resistance value of motor, and detection signal is sent to host computer and shows on the spot, Quick is for data, for site administrator's reference, the size cases according to insulating resistance value is safeguarded in time.Final guarantee production run safety.
Technical solution of the present utility model is: be grouped into by the control circuit part of the control circuit part of the first switch sections and the first switch sections, second switch part and second switch part, controller portion,
The lead-in wire terminal of the first switch sections connects high-voltage ac power, and leading-out terminal one is connected on the connection terminal of motor M, and be connected with the leading-out terminal of second switch part, two is connection control device parts simultaneously, and three is connect second switch part; On the connection terminal of the outlet termination motor of second switch part, be connected with the leading-out terminal of the first switch sections, the lambda line termination controller portion of second switch part is divided simultaneously; The input end one of controller part is connected with the first switch sections, and two is be connected with second switch part, and three is connect low-tension supply, and four is be connected with host computer by communicating circuit.
The CPU (central processing unit) part of described controller part is logical calculated, analysis device is connected with communicating circuit part, realizes the transmission of information to host computer, and the output of CPU (central processing unit) part connects display circuit part, warning circuit part.
The control circuit part of described first switch sections connects the inner 100V of the first switch sections and exchanges, the interchange 100V one end in termination first switch sections of fuse RD11,101 lines on another termination TA1; The normally closed button TA1 of 103 line one termination, another termination often opens one end of button QA1 and normal K11 battle one end of auxiliary reclay K11; 105 line one terminations often open the K11 normal battle of button QA1 and auxiliary reclay K11, another termination auxiliary reclay coil K11 one end; Coil K11 one end of 102 line one termination auxiliary reclay K11, auxiliary normally closed some QF2 one end of another termination circuit breaker Q F2; The auxiliary normally closed some QF2 of 104 line one termination circuit breaker Q F2,104 lines of another termination time relay coil ST1 and fuse RD12 lower end; The other end of the interchange 100V in another termination first switch sections of fuse RD12; Normal K12 battle one end of auxiliary reclay K11 connects 101 lines of normally closed button TA1, another termination 107 line, another termination time relay coil of 107 lines ST1; 104 lines of another termination RD12 of time relay coil ST1; Time closing often ST1 battle one end connects 101 lines of normally closed button TA1; The other end connects one end of the closing coil QF1 of circuit breaker Q F1 by 109 lines; 104 lines of coil QF1 (conjunction) another termination RD12; 101 lines on normally closed the normally closed button TA1 of K13 mono-termination; The other end connects one end of the switching winding QF1 (dividing) of circuit breaker Q F1 by 111 lines, 111 lines connect one end of time relay coil ST2 simultaneously; The time relay coil ST2 other end is connected with the switching winding QF1 (dividing) of circuit breaker Q F1 simultaneously, is then connected on 104 lines of RD12.
The control circuit part of described second switch part connects second switch partial interior 100V and exchanges, the interchange 100V one end in a termination second switch part of fuse RD21, and the other end often to be made war ST2 by the time closing that 201 lines meet time relay ST2; The time closing of 203 line one termination time relay ST2 is often made war one end of ST2, the auxiliary normally closed some QF1 of another termination of 203 lines circuit breaker Q F1; One end of the auxiliary normally closed some QF1 of 205 line one termination circuit breaker Q F1, one end of the normally closed button TA2 of another termination; The normally closed button TA2 of 207 line one termination, another termination often open button QA2 one end and auxiliary reclay K21 normal battle K21 one end; 209 line one terminations often open button QA2 and auxiliary reclay K21 normal battle K21 one end, one end of another termination auxiliary reclay K21 coil K21; The 202 line one termination auxiliary reclay coil K21 other ends, one end and the one end meeting fuse RD22 of the closing coil QF2 (conjunction) of another termination circuit breaker Q F2; The other end of the interchange 100V in another termination second switch part of fuse RD22; Normal K22 battle one end access delay closes 201 lines on ST2 normal battle; The other end connects closing coil QF2 (conjunction) one end of circuit breaker Q F2 by 211 lines; One end of QF2 (conjunction) another termination QF2 (dividing), is connected with 202 lines of auxiliary reclay coil K21 simultaneously; Normally closed some K23 one end access delay closes 201 lines on ST2 normal battle; The other end connects one end of the switching winding QF2 (dividing) of circuit breaker Q F2 by 213 lines, on 202 lines of another termination RD22 of the switching winding QF2 (dividing) of circuit breaker Q F2.
The main electrical scheme of described first switch and second switch, the terminals of the first switch connect 10KV power supply A, B, C, leading-out terminal is connected with the leading-out terminal of second switch, all be connected on the stator connection terminal of motor, detect power outlet end in another side joint controller of second high-voltage switch gear, the ground wire of controller is connected with motor housing ground connection afterwards.
The utility model has the advantages that: because the online Insulation monitoring control device of motor stopping based on signal injection method is by the first switch sections and control circuit part thereof, the interlocked relationship of second switch part and control circuit part thereof realizes the high-voltage power supply of motor and measures power supply and carry out time delay switching, solution motor opens, stop the technical barrier from motion tracking, when motor stopping, press normally closed button TA1, the time delay relay ST2 time delay of the first ON-OFF control circuit inside is after 10 minutes, press and often open button QA2, connect the second high-voltage switch gear, power supply in controller is received motor stator terminals by the second high-voltage switch gear, inject direct current signal, realize motor stator insulated detection, favourable improves the security in production run and realizes automatically controlling, the normal use of protection motor, extend motor serviceable life.
Accompanying drawing explanation
Fig. 1 is the utility model system schematic
1, there is CPU (central processing unit) part in controller part, mainly carry out the aspect work for the treatment of such as input of the collection of various types of signal, computing, process and detection signal;
2, the first switch sections, second switch part receive electric motor starting, stop signal, utilize the control circuit of the first switch, the control circuit of second switch to carry out handoff-security to the working power of motor and measurement power supply;
Fig. 2 is that the first switch control line figure realizes the starting of motor, stops controlling
Fig. 3 is that second switch operation circuit figure realizes the interlocking that machine operation power supply and the switching control chart 2 detecting power supply and Fig. 3 realize the first switch and second switch and controls, time delay switching;
Fig. 4 is system main electrical scheme schematic diagram
Fig. 5 is the systematic square frame schematic diagram of controller
Embodiment
Now by reference to the accompanying drawings the utility model is described as follows:
As shown in Figure 1, the utility model by: control circuit part (9), the controller part (3) of the control circuit part (8) of the first switch sections (1) and the first switch sections, second switch part (2) and second switch part form
The lead-in wire terminal of the first switch sections (1) connects high-voltage ac power, leading-out terminal one is connected on the connection terminal of motor M, be connected with the leading-out terminal of second switch part (2) simultaneously, two is connection control device parts (3), and three is connect second switch part (2); On the connection terminal of the outlet termination motor of second switch part (2), be connected with the leading-out terminal of the first switch sections (1) simultaneously, the lambda line termination controller portion of second switch part (2) is divided (3), the leading-out terminal of DC detecting power supply is connect, ground connection after the ground wire of controller part (3) is connected with motor M shell by controller part (3) internal conversion circuit; The input end one of controller part (3) is connected with the first switch sections (1); gather electric motor starting, stop signal; two is be connected with switch sections (2); motor is when stopped status; input direct-current measuring-signal in motor; gather electrical machine insulation Detection Information; three is connect low-tension supply; direct current is converted to by internal circuit; four is be connected with host computer (10) by communicating circuit (4), and metrical information is uploaded to host computer.
The CPU (central processing unit) part (7) of controller part (3) is logical calculated, analysis device is connected with communicating circuit part (4), realizes the transmission of information to host computer; CPU (central processing unit) part (7) is connected with display circuit part (6), gives display circuit show the electrical machine insulation data of detection in real time; CPU (central processing unit) part (7) is connected with warning circuit part (5), is reported to the police by warning circuit when electrical machine insulation resistance reduces;
The control circuit part (8) of the first switch sections (1) is primarily of the closing coil QF1 (conjunction) of circuit breaker Q F1, switching winding QF1 (dividing), normally closed button TA1, often open button QA1, fuse RD11, fuse RD12, time relay ST1, time relay ST2, the auxiliary normally closed some QF2 of circuit breaker Q F2, auxiliary reclay K11 forms, the control circuit part (9) of second switch part (2) is primarily of the closing coil QF2 (conjunction) of circuit breaker Q F2, switching winding QF2 (dividing), normally closed button TA2, often open button QA2, fuse RD21, fuse RD22, time relay ST2 time closing is often made war ST2, the auxiliary normally closed some QF1 of circuit breaker Q F1, auxiliary reclay K21 forms.
When motor M will work, in the control circuit part (8) of the first switch sections (1), when pressing the button QA1, auxiliary reclay K11 coil obtains electric, and the K11 normal battle of auxiliary reclay closes, and plays self-locking action; K12 closes, time relay ST1 coil obtains electric, its time closing often ST1 time delay battle closes for 1 minute, the closing coil QF1 (conjunction) of circuit breaker Q F1 obtains electric, circuit breaker Q F1 main contact closes, motor M connects working power work, and auxiliary normally closed some QF1 in second switch control circuit part (9) disconnects, and prevents auxiliary reclay coil K21 from obtaining electric; Normally closed some K13 of auxiliary reclay disconnects, and prevents the time relay ST2 coil from obtaining electric.
When motor will quit work, in the control circuit part (8) of the first switch sections (1), press stop button TA1, auxiliary reclay K11 coil losing electricity, normal K11, K12 disconnection battle of auxiliary reclay, normally closed some K13 closes, and the switching winding QF1 (dividing) of circuit breaker Q F1 obtains electric, in Fig. 4, isolating switch QF1 main contact disconnects, and motor M quits work, time relay ST2 coil obtains electric, in the control circuit part (9) of second switch part (2), time closing often ST2 time delay battle closes for 10 minutes, auxiliary reclay coil K21 closes, its normal battle, K22 closed, the closing coil QF2 (conjunction) of circuit breaker Q F2 obtains electric, in Fig. 4, the main contact of isolating switch QF2 closes, connect the measurement power supply in controller part (3), under the effect of the CPU (central processing unit) part (7) in device part (3) processed, measure the stator terminals that power supply injects motor in turn, collection signal introduces CPU (central processing unit) part (7), analytical calculation insulating resistance value, analysis result is shown by display circuit part (6), be uploaded to host computer by communicating circuit part (4) simultaneously, judgement is analyzed for staff, when electrical machine insulation resistance reduces, alerting signal is sent by warning circuit part (5), staff is reminded to be forbidden electrical power work, the normally closed some K23 of auxiliary reclay coil K21 disconnects, and prevents the switching winding QF2 (dividing) of circuit breaker Q F2 from obtaining electric, thus reach the insulating resistance value of the safety detection motor when motor stopping.
Claims (2)
1. based on the online Insulation monitoring control device of motor stopping of signal injection method; it is characterized in that: be made up of the control circuit part (9) of the control circuit part (8) of the first switch sections (1) and the first switch sections, second switch part (2) and second switch part, controller part (3)
The lead-in wire terminal of the first switch sections (1) connects high-voltage ac power, leading-out terminal one is connected on the connection terminal of motor M, be connected with the leading-out terminal of second switch part (2) simultaneously, two is connection control device parts (3), and three is connect second switch part (2); On the connection terminal of the outlet termination motor of second switch part (2), be connected with the leading-out terminal of the first switch sections (1) simultaneously, the lambda line termination controller portion of second switch part (2) is divided (3), the leading-out terminal of DC detecting power supply is connect, ground connection after the ground wire of controller part (3) is connected with motor M shell by controller part (3) internal conversion circuit; The input end one of controller part (3) is connected with the first switch sections (1); gather electric motor starting, stop signal; two is be connected with second switch part (2); motor is when stopped status; direct current measurement signal is injected in motor; gather electrical machine insulation information; three is connect low-tension supply; convert direct current to by internal circuit, the output of controller part (3) is simultaneously connected with host computer (10) by communicating circuit (4).
2. the online Insulation monitoring control device of the motor stopping based on signal injection method according to claim 1, it is characterized in that: the CPU (central processing unit) part (7) of controller part (3) is logical calculated, analysis device is connected with communicating circuit part (4), realizes the transmission of information to host computer; CPU (central processing unit) part (7) is connected with display circuit part (6), gives display circuit show the electrical machine insulation data of detection in real time; CPU (central processing unit) part (7) is connected with warning circuit part (5), is reported to the police by warning circuit when electrical machine insulation resistance reduces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520630959.3U CN204989418U (en) | 2015-08-17 | 2015-08-17 | Online insulating detection control apparatus is shut down to motor based on signal pours into method into |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520630959.3U CN204989418U (en) | 2015-08-17 | 2015-08-17 | Online insulating detection control apparatus is shut down to motor based on signal pours into method into |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204989418U true CN204989418U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520630959.3U Expired - Fee Related CN204989418U (en) | 2015-08-17 | 2015-08-17 | Online insulating detection control apparatus is shut down to motor based on signal pours into method into |
Country Status (1)
| Country | Link |
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| CN (1) | CN204989418U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717837A (en) * | 2016-02-26 | 2016-06-29 | 王静爽 | Motor shutdown on-line insulation monitoring control method |
| CN107947683A (en) * | 2017-11-17 | 2018-04-20 | 李继前 | Control circuit, hair dryer and modality based on motor |
| RU210968U1 (en) * | 2021-10-18 | 2022-05-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Уральский государственный аграрный университет" (ФГБОУ ВО Южно-Уральский ГАУ) | Device for monitoring the insulation resistance of the windings of an asynchronous electric motor |
-
2015
- 2015-08-17 CN CN201520630959.3U patent/CN204989418U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717837A (en) * | 2016-02-26 | 2016-06-29 | 王静爽 | Motor shutdown on-line insulation monitoring control method |
| CN107947683A (en) * | 2017-11-17 | 2018-04-20 | 李继前 | Control circuit, hair dryer and modality based on motor |
| CN107947683B (en) * | 2017-11-17 | 2020-05-08 | 李继前 | Control circuit, hairdryer and physiotherapy equipment based on motor |
| RU210968U1 (en) * | 2021-10-18 | 2022-05-16 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Уральский государственный аграрный университет" (ФГБОУ ВО Южно-Уральский ГАУ) | Device for monitoring the insulation resistance of the windings of an asynchronous electric motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170309 Address after: Yuelu District City, Hunan province 410205 Changsha Xian Jia No. 67 West Lake Jiaxing international exchange The Square Hotel room 1405 Patentee after: Hunan Meineng Electric Power Technology Co.,Ltd. Address before: 056001 Hebei, Handan Guangming South Street, No. 199 32-3-4 Patentee before: Cao Qingjiao |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210817 |
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| CF01 | Termination of patent right due to non-payment of annual fee |