CN204008923U - Improved high density polyethylene low-voltage distribution cabinet starting test clamp - Google Patents
Improved high density polyethylene low-voltage distribution cabinet starting test clamp Download PDFInfo
- Publication number
- CN204008923U CN204008923U CN201420455769.8U CN201420455769U CN204008923U CN 204008923 U CN204008923 U CN 204008923U CN 201420455769 U CN201420455769 U CN 201420455769U CN 204008923 U CN204008923 U CN 204008923U
- Authority
- CN
- China
- Prior art keywords
- control
- granulation
- control terminal
- cabinet
- meter
- Prior art date
- 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 - Fee Related
Links
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
A kind of improved high density polyethylene low-voltage distribution cabinet starting test clamp, mainly contain granulation low-voltage distribution cabinet and control zero-power line, phase line and control terminal row etc., short pulse of granulation meter control cabinet starts control signal S, is connected on control terminal arranges in X10.1 on control terminal (12,13) with one in three wire clamps; Long pulse of granulation meter control cabinet starts control signal N, with in three wire clamps, another touches at least 2 seconds of control terminal (12,14); Control motor contactor K01 and send adhesive sound, show that the next long pulse of granulation meter control cabinet starts control signal N normal, take off the upper wire clamp of control terminal (14) in control terminal row X10.1, controlling motor start-up contactor K01 opens at once, show that short pulse that granulation meter control cabinet comes starts that control signal S is normal, the element in granulation meter control cabinet is intact, problem starts control signal N from the long pulse of granulation meter control cabinet.
Description
Technical field
The present invention relates to a kind of improved high density polyethylene low-voltage distribution cabinet starting test clamp.
Background technology
Large Scale Petrochemical Enterprises generally has granulating system, and at present, high density polyethylene granulating system, is all generally the external ground technology and equipment of introducing, and the motor of use and power distribution cabinet thereof are all also external introductions; The production run of granulating system is a full automatic production run, the technological parameter of production requirement is input in on-the-spot industrial computer, on-the-spot actual production data is input in programmable control system by field instrument, on-the-spot industrial computer and programmable control system communication, realize the operation of various device or stop, programmable control system wherein, we are referred to as granulation meter control cabinet; Some low-tension motor in granulating system production run, these low-tension motors have formed a set of power distribution cabinet, and we are referred to as granulation low-voltage distribution cabinet.Whether whether the operation of these low-tension motors is subject to the control of granulation meter control cabinet, granulation low-voltage distribution cabinet completely, and granulation meter control cabinet sends instruction, and granulation low-voltage distribution cabinet is accepted instruction, controlling low-tension motor and moving.Sometimes exist in process of production a certain low-tension motor to move, but but not operation, or the motor moving, cut operation.This situation affects the stable operation of high density polyethylene granulating system, within the shortest time, ascertain the reason, and solves motor operation.If granulation meter control cabinet does not send instruction, be instrument system problem so, affected the operation of this motor; If granulation meter control cabinet has sent instruction, but the not operation of this motor is exactly the problem of granulation low-voltage distribution cabinet, and namely electrical problems, cannot move this motor.Should in the time, ascertain the reason at square so, motor is normally moved.
Summary of the invention
The object of the invention is to solve the problem that prior art exists, can in the time, judge the motor that motor does not have operation or moving at square, the reason of cut, shortened fault handling time, recover as early as possible motor operation, a kind of improved high density polyethylene low-voltage distribution cabinet starting test clamp is provided.
Technical scheme of the present invention is: a kind of improved high density polyethylene low-voltage distribution cabinet starting test clamp, comprise that granulation low-voltage distribution cabinet controls zero-power line 1N1 and be connected in control terminal row X10.1 on control terminal 10, phase line 1L1 is connected in control terminal row X10.1 on control terminal 11, and with control auxiliary contact Q01, a relay K OA of power switch F10, the auxiliary normally closed contact F01 of hot protective relay, main power switch and control motor start-up contactor K01 and connect; The auxiliary contact Q01 of main power switch is in parallel with the auxiliary contact S04 of power switch operating handle, and the auxiliary reclay KOA being one another in series is in parallel with auxiliary reclay KOE with control motor start-up contactor K01; In control terminal row row X10.1, control terminal 12,13,14 is connected in series with auxiliary reclay K10, KOE, KOA respectively, it is characterized in that: short pulse of granulation meter control cabinet starts control signal S, with one in three wire clamps be connected on control terminal arrange in X10.1 on control terminal 12, on 13; From long pulse of granulation meter control cabinet, start control signal N, with in three wire clamps, another touches at control terminal and arranges in X10.1 at least 2 seconds on control terminal 12 and 14; Control motor contactor K01 and send adhesive sound, show that the next long pulse of granulation meter control cabinet starts control signal N normal, take off the wire clamp on control terminal 14 in control terminal row X10.1, controlling motor start-up contactor K01 opens at once, show that the next short pulse of granulation meter control cabinet starts control signal S normal, show that the element in granulation meter control cabinet is intact, problem starts control signal N from the long pulse of granulation meter control cabinet.
Compared with prior art, tool has the following advantages in the present invention:
(1) be exactly three crocodile clips (three wire clamps) by wire bonds together, as low-tension motor starting test clamp, three weld together crocodile clip, access respectively in the respective terminal of high density polyethylene motor secondary circuit, if low-tension motor can start, the electric fault that do not have is described, that instrument fault causes not starting of motor, if motor starts, the electric fault that has is not described, so just can shorten and ascertain the reason, and timely handling failure, make to produce stable as early as possible.
(2) investment for trnasforming urban land is considerably less, and due to square correct failure judgement reason in the time, recovery device operation as early as possible, can subtract greatly economic loss, guarantees the stable operation of process units.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the motor starting of the embodiment of the present invention 1.
1N1-control zero-power line from granulation low-voltage distribution cabinet.。
1L1-from controlling the phase line of power supply in granulation low-voltage distribution cabinet.
S-start control signal from the short pulse in granulation meter control cabinet.
N-from the long pulse stop control signal in granulation meter control cabinet.
F10-control power switch.
F01-hot protective relay is assisted normally closed contact.
The auxiliary contact of Q01-main power switch.
The auxiliary contact of S04-main power switch operating handle.
KOA, KOE, K10-auxiliary reclay.
K01-control motor start-up contactor.
Embodiment
Referring to Fig. 1, a kind of improved high density polyethylene low-tension motor starting test clamp, from granulation low-voltage distribution cabinet, controlling zero-power line 1N1 is connected in control terminal row X10.1 on control terminal 10, phase line 1L1 is connected in control terminal row X10.1 on control terminal 11, and with control auxiliary contact Q01, a relay K OA of power switch F10, the auxiliary normally closed contact F01 of hot protective relay, main power switch and control motor start-up contactor K01 and connect; The auxiliary contact Q01 of main power switch is in parallel with the auxiliary contact S04 of power switch operating handle, and the auxiliary reclay KOA being one another in series is in parallel with auxiliary reclay KOE with control motor start-up contactor K01; In control terminal row row X10.1, control terminal 12,13,14 is connected in series with auxiliary reclay K10, KOE, KOA respectively, it is characterized in that: short pulse of granulation meter control cabinet starts control signal S, with one in three wire clamps be connected on control terminal arrange in X10.1 on control terminal 12, on 13; From long pulse of granulation meter control cabinet, start control signal N, with in three wire clamps, another touches at control terminal and arranges in X10.1 at least 2 seconds on control terminal 12 and 14; Control motor contactor K01 and send adhesive sound, show that the next long pulse of granulation meter control cabinet starts control signal N normal, take off the wire clamp on control terminal 14 in control terminal row X10.1, controlling motor start-up contactor K01 opens at once, show that the next short pulse of granulation meter control cabinet starts control signal S normal, element in granulation meter control cabinet is intact, and problem starts control signal N from the long pulse of granulation meter control cabinet.So just distinguish motor and started the reason that cannot start.
Test procedure must be carried out in testing position at main power air switch, and this operation must be that professional electrician carries out, because this operation is charged carrying out, prevents electric shock accidents.
Electric operation personnel can use electroprobe or multimeter judgement, but the processing time is certainly long than the Special wire-clip time, one of reason, the control power supply of this import low-voltage distribution cabinet has special-purpose control transformer, voltage on control terminal 10 in zero line control terminal row in X10.1 is not AC0V with electroprobe or multimeter test, but AC110V, voltage in phase line control terminal row X10.1 on control terminal 11 is not AC220V with electroprobe or multimeter test, but AC110V, the easy like this erroneous judgement that causes electric operation personnel; Former therefore two, the control terminal of this power distribution cabinet and load terminal are arranged on the front of cabinet, approximately 280 centimetres of terminal cabinet gate-widths, and two people use multimeter test narrow, and work is inconvenient; Thus, with electroprobe or multimeter, judge the fault of this distribution loop, not as using low-tension motor starting test clamp convenient.
According to the size of import power distribution cabinet control terminal, select three sizeable crocodile clips, again according to the spacing of wanting calibrating terminal, select the wire of appropriate length, welded together, just formed low-tension motor starting test clamp, certainly, crocodile clip must be selected that with insulating gum cover, because charged the carrying out of test.
Claims (1)
1. an improved high density polyethylene low-voltage distribution cabinet starts test clamp, comprise that granulation low-voltage distribution cabinet controls zero-power line 1N1 and be connected in control terminal row X10.1 on control terminal (10), it is upper that phase line 1L1 is connected in control terminal row X10.1 control terminal (11), and with control auxiliary contact Q01, a relay K OA of power switch F10, the auxiliary normally closed contact F01 of hot protective relay, main power switch and control motor start-up contactor K01 and connect; The auxiliary contact Q01 of main power switch is in parallel with the auxiliary contact S04 of power switch operating handle, and the auxiliary reclay KOA being one another in series is in parallel with auxiliary reclay KOE with control motor start-up contactor K01; In control terminal row row X10.1, control terminal (12,13,14) is connected in series with auxiliary reclay K10, KOE, KOA respectively, it is characterized in that: short pulse of granulation meter control cabinet starts control signal S, with one in three wire clamps, be connected on control terminal and arrange in X10.1 on control terminal (12,13); From long pulse of granulation meter control cabinet, start control signal N, with in three wire clamps, another touches at control terminal and arranges in X10.1 at least 2 seconds on control terminal (12,14); Control motor contactor K01 and send adhesive sound, show that the next long pulse of granulation meter control cabinet starts control signal N normal, take off the wire clamp on control terminal (14) in control terminal row X10.1, controlling motor start-up contactor K01 opens at once, show that the next short pulse of granulation meter control cabinet starts control signal S normal, show that the element in granulation meter control cabinet is intact, problem starts control signal N from the long pulse of granulation meter control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455769.8U CN204008923U (en) | 2014-08-14 | 2014-08-14 | Improved high density polyethylene low-voltage distribution cabinet starting test clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455769.8U CN204008923U (en) | 2014-08-14 | 2014-08-14 | Improved high density polyethylene low-voltage distribution cabinet starting test clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008923U true CN204008923U (en) | 2014-12-10 |
Family
ID=52048902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420455769.8U Expired - Fee Related CN204008923U (en) | 2014-08-14 | 2014-08-14 | Improved high density polyethylene low-voltage distribution cabinet starting test clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204008923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191815A (en) * | 2018-08-16 | 2019-01-11 | 国网内蒙古东部电力有限公司电力科学研究院 | A kind of wireless auxiliary contact transfer device and method |
-
2014
- 2014-08-14 CN CN201420455769.8U patent/CN204008923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109191815A (en) * | 2018-08-16 | 2019-01-11 | 国网内蒙古东部电力有限公司电力科学研究院 | A kind of wireless auxiliary contact transfer device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204118696U (en) | Intelligent selection current transformer winding secondary side open-circuit protector circuit | |
| CN104062580B (en) | A kind of portable beaker three-phase non-three phase tester movement time | |
| CN204008923U (en) | Improved high density polyethylene low-voltage distribution cabinet starting test clamp | |
| JP2010048676A (en) | Method for conducting protective cooperation test of protective relay, and tester used for the same | |
| CN103825259A (en) | Relay protection system | |
| KR101443245B1 (en) | Devices for low-voltage circuit breaker testing | |
| CN105182230A (en) | Contactor synchronous detector and use method thereof | |
| CN103048586B (en) | The verification method of voltage transformer (VT) wiring correctness | |
| CN203734299U (en) | Relay protection system | |
| KR101853117B1 (en) | Method for locating a short circuit in an electrical grid comprising at least one line section | |
| CN203927005U (en) | Electric valve control circuit and the electric operated valve instrument that comprises this circuit | |
| CN204241604U (en) | DC detecting device during single-phase earthing of small current earthing system | |
| CN203432994U (en) | Phase sequence conversion device of three-phase alternating current tester | |
| JP2014021088A (en) | Display testing device and display testing method | |
| CN105977935B (en) | The method of manual simulating grid protective device zero sequence direction overcurrent protection actuating range | |
| CN205941823U (en) | Specified surplus switch -on breaking capacity testing arrangement | |
| CN104821545A (en) | Intelligent selection current transformer winding secondary side open circuit protector circuit | |
| CN106324407A (en) | Voltage transformer's second harmonic elimination device detector | |
| CN105098711A (en) | Intelligent selection current transformer winding secondary-side open-circuit protector circuit | |
| CN106896335A (en) | A kind of portable thread line fault indicator tester | |
| CN202384746U (en) | Overload protecting device of portable generator set with small power section | |
| CN104062616A (en) | Direct-current earthing and alternating current-directing current series simulation device | |
| CN104155565A (en) | Circuit and method for determining unknown cable | |
| WO2015042774A1 (en) | Series compensation protection apparatus and method thereof | |
| CN204241527U (en) | A kind of mining high-voltage switch Special test power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20170814 |