CN203039349U - Motor protector realized by and based on RN8302 - Google Patents
Motor protector realized by and based on RN8302 Download PDFInfo
- Publication number
- CN203039349U CN203039349U CN 201320012413 CN201320012413U CN203039349U CN 203039349 U CN203039349 U CN 203039349U CN 201320012413 CN201320012413 CN 201320012413 CN 201320012413 U CN201320012413 U CN 201320012413U CN 203039349 U CN203039349 U CN 203039349U
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- module
- control module
- motor protector
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- relay
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- Control Of Electric Motors In General (AREA)
Abstract
The utility model provides a motor protector realized by and based on RN8302, and the motor protector comprises a control module, a sampling module, a relay module connected with the control module and used for protecting the motor, a button module connected with the control module and a display module connected with the control module and used for displaying electricity parameters, wherein the sampling module comprises a calculating chip and a current transformer and a voltage transformer respectively connected with the calculating chip, the calculating chip employs a RN8302 chip, the relay module comprises a one path protective relay output and a three-path programmable relay output, the control module comprises a reception module, a comparison module and a drive module, and the control module comprises a 79F6431 chip. The motor protector realized by and based on RN8302 employs the 79F6431chip to realize 48 times of fault recording, and through the carried programmable relay output, free setting of output modes and fault types is realized.
Description
Technical field
The utility model is specifically related to a kind of motor protector.
Background technology
The effect of motor protector is comprehensively to protect control to motor, overcurrent, undercurrent, the phase failure, stall, short circuit, overvoltage, under-voltage, electric leakage, three-phase imbalance, overheated, ground connection, bearing wear appear at motor, when rotor is eccentric, winding is aging is reported to the police or protect control.
Motor protector is the important devices of generating, power supply, using electricity system.Be inter-trade, have a large capacity and a wide range, the energy-conservation electronic product of Remarkable Energy Saving.Almost be penetrated into all and use electrical domain; Be the important assurance of industry, agricultural and national defense construction and people's lives ordinary production and trouble free service, in national economy and energy-conservation cause, irreplaceable critical role and effect arranged.
Motor protector in the market can only record failure logging 32 times, and great majority do not possess the free setting of output mode and fault type.
The utility model content
In order to solve the deficiency of above-mentioned technology, the purpose of this utility model provides a kind of motor protector of realizing based on RN8302, and it has solved, and the motor protector failure logging was few in the past, and did not possess the deficiency that freely arranges of output mode and fault type.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of motor protector of realizing based on RN8302; it comprises control module; link to each other with control module; be used for gathering three-phase current; the sampling module of voltage signal; be connected with control module; for the relay module that motor is protected; be connected with control module; be connected for the key-press module that control module is carried out the set point setting and with control module; be used for showing the display module of electrical quantity; described sampling module comprises be used to the computation chip that draws electric energy active power and the current transformer that is connected with computation chip respectively and voltage transformer; described computation chip adopts the RN8302 chip; described relay module comprises the output of No. one protection relay and 3 tunnel relay outputs able to programme; described control module comprises for the receiver module that receives the computation chip output valve; be connected with receiver module; be connected for the comparison module of the data that compare the receiver module reception and with comparison module; be used for the driver module of output relay module drive instruction, described control module comprises the 79F6431 chip.
Described motor protector is provided with for gathering on off state, and is used for the start and stop motor or realizes the opening into the amount module of rotating function, and described to open into the amount module be 8 tunnel inputs.
Described motor protector is provided with for 1 road analog module of realizing that the distant signal transmission shows.
Described motor protector is provided with for realizing the long-range communication module of uploading data and remote signalling, remote control.
Described display module comprises LCDs.
The beneficial effects of the utility model are that employing 79F6431 chip can be realized failure logging 48 times, by the relay output able to programme of carrying, the free setting of realization output mode and fault type.
Description of drawings
Fig. 1 is logical construction schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified:
Referring to Fig. 1; the utility model comprises control module 1; link to each other with control module 1; be used for gathering the three-phase electricity electric current; the sampling module 2 of voltage signal; be connected with control module 1; for the relay module 3 that motor is protected; be connected with control module 1; be connected for the key-press module 6 that control module 1 is carried out the set point setting and with control module 1; be used for showing the display module 5 of electrical quantity; described sampling module 2 comprises be used to the computation chip 23 that draws electric energy active power and the current transformer 22 that is connected with computation chip 23 respectively and voltage transformer 21; described computation chip 23 adopts the RN8302 chip; described relay module 3 comprises No. one protection relay output 31 and 3 tunnel relay outputs 32 able to programme; described control module 1 comprises for the receiver module 11 that receives computation chip 23 output valves; drive the driver module 13 that instructs for the comparison module 12 of the data that compare receiver module 11 receptions and for output relay module 3, described control module 1 comprises the 79F6431 chip.
Described motor protector is provided with for gathering on off state; and opening into amount module 4 for start and stop motor or realization rotating function; described open into amount module 4 be 8 the tunnel input; described motor protector is provided with for 1 road analog module 8 of realizing that the distant signal transmission shows; described motor protector is provided with for realizing the long-range communication module 7 of uploading data and remote signalling, remote control, and described display module 5 comprises LCDs.
Sample circuit comprises computation chip 23 and the current transformer 22 that is connected with computation chip 23 respectively and voltage transformer 21; described computation chip 23 adopts the RN8302 chip; this chip is applicable to phase three-wire three; three-phase and four-line; and it can provide overvoltage; over-current detection; and possess decompression indication and zero passage detection; zero passage threshold values and decompression threshold values all can arrange simultaneously; satisfy the overvoltage of motor protector; overload; under-voltage and underload detection; the signal that these computation chip 23 received current instrument transformers 22 and voltage transformer 21 are gathered; and transfer signal to the receiver module 11 of control module 1; this receiver module 11 is input to comparison module 12 with the signal that receives; compare by the set point of comparison module 12 with key-press module 6 inputs; control driver module 13 then and output a control signal to relay module 3; described relay module 3 comprises No. one protection relay output 31 and 3 tunnel relay outputs 32 able to programme; No. one protection relay output 31 can realize under-voltage; overvoltage; overload or underload protection; other 3 tunnel relay outputs 32 able to programme can arrange by 6 pairs of control modules 1 of key-press module according to demand, achieve the free setting of fault type and output mode.
Control module 1 can realize that the data of computation chip 23 outputs show that display module 5 comprises LCDs simultaneously, realizes multidata demonstration by LCDs by display module 5 simultaneously.
The utility model is provided with communication module 7 and 1 road analog module 8, can realize the long-range function of uploading data and remote signalling, remote control, realizes that by communication module 7 host computers transmit a signal to this protector, realizes Long-distance Control by 1 road analog module 8.
The utility model also is provided with 8 the tunnel and opens into amount module 4, can the sense switch state by this module, and this state can be realized uploading by communication module 7, by this module, can also realize motor start and stop or rotating simultaneously.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection range of the present utility model.
Claims (5)
1. motor protector of realizing based on RN8302; it comprises control module (1); link to each other with control module (1); be used for gathering three-phase current; the sampling module of voltage signal (2); be connected with control module (1); for the relay module (3) that motor is protected; be connected with control module (1); be connected for the key-press module (6) that control module (1) is carried out the set point setting and with control module (1); be used for showing the display module (5) of electrical quantity; it is characterized in that: described sampling module (2) comprises be used to the computation chip that draws electric energy active power (23) and the current transformer (22) that is connected with computation chip (23) respectively and voltage transformer (21); described computation chip (23) adopts the RN8302 chip; described relay module (3) comprises No. one protection relay output (31) and 3 tunnel relay outputs able to programme (32); described control module (1) comprises for the receiver module (11) that receives computation chip (23) output valve; be connected with receiver module (11); be connected for the comparison module (12) of the data that compare receiver module (11) reception and with comparison module (12); be used for the driver module (13) that output relay module (3) drives instruction, described control module (1) comprises the 79F6431 chip.
2. the motor protector of realizing based on RN8302 according to claim 1; it is characterized in that; described motor protector is provided with for gathering on off state, and is used for the start and stop motor or realizes the opening into amount module (4) of rotating function, and described to open into amount module (4) be 8 tunnel inputs.
3. the motor protector of realizing based on RN8302 according to claim 1 is characterized in that, described motor protector is provided with for 1 road analog module (8) of realizing that the distant signal transmission shows.
4. the motor protector of realizing based on RN8302 according to claim 1 is characterized in that, described motor protector is provided with for realizing the long-range communication module (7) of uploading data and remote signalling, remote control.
5. the motor protector of realizing based on RN8302 according to claim 1 is characterized in that described display module (5) comprises LCDs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012413 CN203039349U (en) | 2013-01-10 | 2013-01-10 | Motor protector realized by and based on RN8302 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012413 CN203039349U (en) | 2013-01-10 | 2013-01-10 | Motor protector realized by and based on RN8302 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203039349U true CN203039349U (en) | 2013-07-03 |
Family
ID=48691435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320012413 Expired - Lifetime CN203039349U (en) | 2013-01-10 | 2013-01-10 | Motor protector realized by and based on RN8302 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203039349U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711830A (en) * | 2018-05-23 | 2018-10-26 | 云南华联锌铟股份有限公司 | A kind of HV motor protection device |
| CN110011475A (en) * | 2019-04-08 | 2019-07-12 | 浙江格瑶科技股份有限公司 | A kind of motor protecting device |
-
2013
- 2013-01-10 CN CN 201320012413 patent/CN203039349U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711830A (en) * | 2018-05-23 | 2018-10-26 | 云南华联锌铟股份有限公司 | A kind of HV motor protection device |
| CN108711830B (en) * | 2018-05-23 | 2023-12-29 | 云南华联锌铟股份有限公司 | High-voltage motor protection device |
| CN110011475A (en) * | 2019-04-08 | 2019-07-12 | 浙江格瑶科技股份有限公司 | A kind of motor protecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160706 Address after: 337000 Jiangxi city of Pingxiang province Chishan Industrial Park Patentee after: JIANGXI HJATIS POWER INDUSTRY Co.,Ltd. Address before: 325604, Jetta road 84, Liushi Town, Wenzhou, Zhejiang, Yueqing Patentee before: ZHEJIANG HUAJIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130703 |