CN204302385U - A kind of measurement mechanism of apparatus insulated performance - Google Patents
A kind of measurement mechanism of apparatus insulated performance Download PDFInfo
- Publication number
- CN204302385U CN204302385U CN201420736979.4U CN201420736979U CN204302385U CN 204302385 U CN204302385 U CN 204302385U CN 201420736979 U CN201420736979 U CN 201420736979U CN 204302385 U CN204302385 U CN 204302385U
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- insulating properties
- plc
- checkout gear
- signal
- measurement mechanism
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Abstract
The utility model relates to measurement mechanism technical field, discloses a kind of measurement mechanism of apparatus insulated performance, comprising: insulating properties checkout gear, signaling conversion circuit, PLC, memory device and input equipment; The test side of insulating properties checkout gear is connected with Devices to test, and the signal output part of insulating properties checkout gear is connected with the first input end of PLC by signaling conversion circuit; Second input of PLC is connected with the signal output part of input equipment, and the signal output part of PLC is connected with the signal input part of insulating properties checkout gear; PLC is also connected with memory device signal.The insulation data of Devices to test are transferred to memory device by insulating properties checkout gear and store by the utility model, to form tendency data; And by PLC, the work of insulating properties checkout gear is controlled, achieve while the insulation data of equipment are stored, reduce the labour intensity of staff.
Description
Technical field
The utility model relates to measurement mechanism technical field, is mainly applicable to the measurement mechanism of apparatus insulated performance.
Background technology
Often relatively severe (as steam, spray etc.), thus the insulating properties of its body and cable also can be constantly deteriorated for the working environment of the micro-machine equipment run due to scene.Therefore, in order to make the maintenance strategy of rational motor device, thus effectively reducing the frequency broken down, needing periodically to measure the insulating properties of motor device.
The method of traditional measurement motor device insulating properties uses megameter, and it has used the principle of electromagnetic induction and equalising torque, is presented on pointer watch dial by insulation numerical value.Although megameter uses simple, easy to carry, it detects numerical value cannot record automatically, and to formation tendency data, need to carry out a large amount of manual operations, this substantially increases the labour intensity of staff.
The method of another kind of common measurement motor device insulating properties uses earth resistance tester.This method has abandoned the working method of the artificial hand power of megameter, adopts advanced large scale integrated circuit, and the metering system of three terminals, four terminals is merged into a kind of new digital earth resistance tester of type by application DC/AC converter technique.Although make the measurement data that can obtain degree of precision in this way, its annex is more, and operation is comparatively complicated, in the middle of the measurement of the multiplex insulating properties at large-scale power supply unit.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of measurement mechanism of apparatus insulated performance, and it while storing the insulation data of equipment, can reduce the labour intensity of staff.
For solving the problems of the technologies described above, the utility model provides a kind of measurement mechanism of apparatus insulated performance, comprising: insulating properties checkout gear, signaling conversion circuit, PLC, memory device and input equipment; The test side of described insulating properties checkout gear is connected with Devices to test, and the signal output part of described insulating properties checkout gear is connected with the first input end of described PLC by described signaling conversion circuit; Second input of described PLC is connected with the signal output part of described input equipment, and the signal output part of described PLC is connected with the signal input part of described insulating properties checkout gear; Described PLC is also connected with described memory device signal.
Further, also comprise: buffer circuit; The signal input part of described buffer circuit is connected with the signal output part of described insulating properties checkout gear, and the signal output part of described buffer circuit is connected with the signal input part of described signaling conversion circuit.
Further, also comprise: relay and contactor; The test side of described insulating properties checkout gear is connected with described Devices to test by described relay, described contactor successively.
Further, also comprise: mobile terminal; Described mobile terminal is connected with described PLC signal by focus signal.
Further, also comprise: power module; Described power module comprises: battery, current converter circuit and power supply switch circuit; Described current converter circuit connects communication power supply; Described battery and current converter circuit are all connected with described insulating properties checkout gear, described signaling conversion circuit, described PLC, described memory device, described input equipment, described buffer circuit, described relay and described contactor by described power supply switch circuit.
The beneficial effects of the utility model are:
The insulation data of Devices to test are transferred to memory device by insulating properties checkout gear and store by the measurement mechanism of the apparatus insulated performance that the utility model provides, to form tendency data; And by PLC, the work of insulating properties checkout gear is controlled, achieve while the insulation data of equipment are stored, reduce the labour intensity of staff.In addition, the utility model also has structure feature simple, simple to operate.
Accompanying drawing explanation
The structured flowchart of the measurement mechanism of the apparatus insulated performance that Fig. 1 provides for the utility model embodiment;
The circuit connection diagram that the insulating properties of measurement mechanism to motor that Fig. 2 is the apparatus insulated performance provided by the utility model embodiment are measured;
Sectional broken line scatter diagram between the analog sampling signal that the measurement mechanism that Fig. 3 is the apparatus insulated performance provided by the utility model embodiment measures and motor resistance.
Detailed description of the invention
For setting forth the utility model further for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, be described in detail to according to the detailed description of the invention of the measurement mechanism of apparatus insulated performance that the utility model proposes and operation principle.
See Fig. 1, the measurement mechanism of the apparatus insulated performance that the utility model embodiment provides, comprising: insulating properties checkout gear, signaling conversion circuit, PLC, memory device, input equipment, relay and contactor; The test side of insulating properties checkout gear is connected with Devices to test, and the signal output part of insulating properties checkout gear is connected with the first input end (8 4 passage AI modules) of PLC by signaling conversion circuit; Second input (CP343 module) of PLC is connected with the signal output part of input equipment, and the signal output part (DO pin) of PLC is connected with the signal input part of insulating properties checkout gear; PLC is also connected with memory device signal.Wherein, the test side of insulating properties checkout gear is connected with Devices to test by relay, contactor successively.
Be further detailed the structure of the utility model embodiment, the utility model embodiment also comprises: buffer circuit; The signal input part of buffer circuit is connected with the signal output part of insulating properties checkout gear, and the signal output part of buffer circuit is connected with the signal input part of signaling conversion circuit.
Further, the utility model embodiment also comprises: mobile terminal; Mobile terminal is connected with PLC signal by focus signal (router), thus realizes the measurement operation in hotspot range.
In addition, the utility model embodiment also comprises: power module; Be further detailed power module, in the utility model embodiment, power module comprises: battery, current converter circuit and power supply switch circuit; Current converter circuit connects communication power supply; Battery and current converter circuit are all connected with insulating properties checkout gear, signaling conversion circuit, PLC, memory device, input equipment, buffer circuit, relay and contactor by power supply switch circuit.
In the utility model embodiment, insulating properties checkout gear can be megameter or earth resistance tester etc.; Input equipment can comprise keyboard, mouse etc.; PLC then adopts Siemens S7-300 PLC framework.
See Fig. 2, measured by the insulating properties of the utility model embodiment to motor, measurement instruction first outputs in megameter by PLC by staff, megameter is obtained electric, starting relay K1 adhesive; The busy relay K110 adhesive of the measuring circuit needed for PLC control simultaneously.During measurement, along with the deflection of the pointer of megameter, pointer loop can produce the current signal of milliampere level; Current signal is carried out anti-interference process through buffer circuit, then is converted to the discernible voltage signal of PLC by signaling conversion circuit, input AI module is sampled.The insulation data collected are outputted to memory device by PLC, to form tendency data.By the method, can measure the insulating properties of other equipment and store insulation data.When measuring complete, PLC halt instruction exports, relay disjunction.In addition, operating personnel can also send measurement instruction to PLC by handheld mobile device, thus realize the insulation measurement operation in any hotspot range.It should be noted that, in view of the non-linear relation of registration on megameter, in the utility model embodiment, the sectional broken line functional relation between analog sampling signal and resistance can be adopted to carry out matching to the insulation data measured, as shown in Figure 3.Here also it should be noted that, before the measurement being carried out insulating properties by the utility model embodiment, need to stop the upper level power supply of motor and frequency converter and electrical verification confirms without electricity, otherwise may scaling loss equipment; After measurement, need the whether disjunction of check measurement loop, to guarantee when motor normally runs, do not have working voltage and enter measuring circuit and cause equipment damage.
The insulation data of Devices to test are transferred to memory device by insulating properties checkout gear and store by the measurement mechanism of the apparatus insulated performance that the utility model embodiment provides, to form tendency data; And by PLC, the work of insulating properties checkout gear is controlled, achieve while the insulation data of equipment are stored, reduce the labour intensity of staff, for the tendency management of apparatus insulated data provides efficient, sound assurance, and then provide reference frame for the active management strategy of equipment, effectively prevent the generation of motor device fault.The utility model embodiment can also carry out insulation measurement operation by mobile terminal in any hotspot range, improves the practicality of the utility model embodiment.The utility model embodiment is also by the use to buffer circuit, and the interference that inhibit extraneous factor to transmit data, improves the accuracy of insulation DATA REASONING.In addition, the utility model also has structure advantage simple, simple to operate.
It should be noted last that, above detailed description of the invention is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. a measurement mechanism for apparatus insulated performance, is characterized in that, comprising: insulating properties checkout gear, signaling conversion circuit, PLC, memory device and input equipment; The test side of described insulating properties checkout gear is connected with Devices to test, and the signal output part of described insulating properties checkout gear is connected with the first input end of described PLC by described signaling conversion circuit; Second input of described PLC is connected with the signal output part of described input equipment, and the signal output part of described PLC is connected with the signal input part of described insulating properties checkout gear; Described PLC is also connected with described memory device signal.
2. the measurement mechanism of apparatus insulated performance as claimed in claim 1, is characterized in that, also comprise: buffer circuit; The signal input part of described buffer circuit is connected with the signal output part of described insulating properties checkout gear, and the signal output part of described buffer circuit is connected with the signal input part of described signaling conversion circuit.
3. the measurement mechanism of apparatus insulated performance as claimed in claim 2, is characterized in that, also comprise: relay and contactor; The test side of described insulating properties checkout gear is connected with described Devices to test by described relay, described contactor successively.
4. the measurement mechanism of apparatus insulated performance as claimed in claim 1, is characterized in that, also comprise: mobile terminal; Described mobile terminal is connected with described PLC signal by focus signal.
5. the measurement mechanism of apparatus insulated performance as claimed in claim 3, is characterized in that, also comprise: power module; Described power module comprises: battery, current converter circuit and power supply switch circuit; Described current converter circuit connects communication power supply; Described battery and current converter circuit are all connected with described insulating properties checkout gear, described signaling conversion circuit, described PLC, described memory device, described input equipment, described buffer circuit, described relay and described contactor by described power supply switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736979.4U CN204302385U (en) | 2014-11-28 | 2014-11-28 | A kind of measurement mechanism of apparatus insulated performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736979.4U CN204302385U (en) | 2014-11-28 | 2014-11-28 | A kind of measurement mechanism of apparatus insulated performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204302385U true CN204302385U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420736979.4U Expired - Fee Related CN204302385U (en) | 2014-11-28 | 2014-11-28 | A kind of measurement mechanism of apparatus insulated performance |
Country Status (1)
| Country | Link |
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| CN (1) | CN204302385U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158660A (en) * | 2015-08-31 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Automatic insulation detection system of constant-speed motor |
| CN105158659A (en) * | 2015-08-31 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Automatic insulation detection system of frequency conversion motor |
-
2014
- 2014-11-28 CN CN201420736979.4U patent/CN204302385U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158660A (en) * | 2015-08-31 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Automatic insulation detection system of constant-speed motor |
| CN105158659A (en) * | 2015-08-31 | 2015-12-16 | 北京首钢国际工程技术有限公司 | Automatic insulation detection system of frequency conversion motor |
| CN105158659B (en) * | 2015-08-31 | 2018-03-13 | 北京首钢国际工程技术有限公司 | A kind of variable-frequency motor insulation automatic checkout system |
| CN105158660B (en) * | 2015-08-31 | 2018-03-13 | 北京首钢国际工程技术有限公司 | A kind of constant speed motor insulation automatic checkout system |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170727 Address after: 430080 Qingshan District stock company of Hubei, Wuhan Province Patentee after: Wuhan iron and Steel Company Limited Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
| 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: 20150429 Termination date: 20191128 |