CN208723536U - A kind of electromotor integrated protection system for extractive equipment - Google Patents
A kind of electromotor integrated protection system for extractive equipment Download PDFInfo
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- CN208723536U CN208723536U CN201821510025.6U CN201821510025U CN208723536U CN 208723536 U CN208723536 U CN 208723536U CN 201821510025 U CN201821510025 U CN 201821510025U CN 208723536 U CN208723536 U CN 208723536U
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Abstract
The utility model discloses a kind of electromotor integrated protection systems for extractive equipment, including controller, comprehensive protector of motor, contactor, no-load leakage tests relay, no-load leakage tests resistance, high_voltage isolation relay, no-load detection of electrical leakage module and motor, controller is connect with comprehensive protector of motor, comprehensive protector of motor also respectively with no-load leakage tests relay, no-load detection of electrical leakage module is connected with relay, no-load leakage tests resistance is connect by the normally opened contact II of no-load leakage tests relay with no-load detection of electrical leakage module, high_voltage isolation relay is connect by the normally-closed contact of contactor with comprehensive protector of motor, the load cable of motor is connect by the normally opened contact of high_voltage isolation relay with no-load detection of electrical leakage module, the utility model can intuitively observe electric motor loop working condition, detection of electrical leakage shape State can quickly judge failure cause, reduce the repair time.
Description
Technical field
The utility model relates to the electric motor protecting technical field of extractive equipment, specifically a kind of motor for extractive equipment
Integrated Protection System.
Background technique
Coal is as important non-renewable energy, and coal in China industry is in development process to extractive equipment performance and type requirements
It is higher and higher, with the raising of coal mining the degree of automation, significantly improve the mining rate of working face, working face pushes away
Into speed, extractive equipment working environment is complicated, will affect greatly to safety in production if a failure occurs, cause economic damage
It loses.This just needs the electrical equipment of high reliablity, high degree of automation to be monitored and protect extractive equipment operation, and motor
Integrated Protection System is more important as the effect of the important component of electrical equipment.
Utility model content
The purpose of this utility model is to provide a kind of electromotor integrated protection systems for extractive equipment, which can be straight
Sight observes electric motor loop working condition, detection of electrical leakage state, can quickly judge failure cause, reduces the repair time.
To achieve the above object, the utility model provides the following technical solutions:
A kind of electromotor integrated protection system for extractive equipment, including controller, comprehensive protector of motor, contactor,
No-load leakage tests relay, no-load leakage tests resistance, high_voltage isolation relay, no-load detection of electrical leakage module and motor,
In,
The comprehensive protector of motor passes through emergency stop relay normally open contact with no-load detection of electrical leakage module respectively and connects electricity
Source, the controller are connect with comprehensive protector of motor, the comprehensive protector of motor also respectively with no-load leakage tests relay
Device, no-load detection of electrical leakage module are connected with relay, and the contactor coil is comprehensive by the normally opened contact I and motor of relay
Protector connection, the no-load leakage tests resistance are examined by normally opened contact II and the no-load electric leakage of no-load leakage tests relay
Module connection is surveyed, the high_voltage isolation relay is connect by the normally-closed contact of contactor with comprehensive protector of motor, the electricity
Machine is connect by the normally opened contact of high_voltage isolation relay with no-load detection of electrical leakage module, and the motor is normally opened by contactor
Contact III connects 3300V power supply.
Temperature sensor is provided on the motor, the temperature sensor passes sequentially through isolated gate and temperature detecting module
Connect comprehensive protector of motor.
As a further solution of the present invention: being provided with earth leakage search/lockout detection instruction on the comprehensive protector of motor
Lamp and contactor are closed indicator light, and the earth leakage search/lockout detection indicator light is connected to the normally opened contact IV of no-load detection of electrical leakage module
On, the contactor closure indicator light is connected on the normally opened contact V of contactor.
As a further solution of the present invention: further including display screen, the controller and display screen are communicated to connect.
As a further solution of the present invention: Current Voltage sensor is additionally provided on circuit, the Current Voltage
Sensor is connect with comprehensive protector of motor, comprehensive for detecting motor power loop current and voltage signal and being conveyed to motor
Protector.
Compared with prior art, the utility model the utility model has the advantages that
1, the utility model can intuitively observe electric motor loop working condition, detection of electrical leakage state, can quickly judge
Failure cause reduces the repair time；
2, temperature detecting module is arranged in the utility model, and temperature detecting module is connected with isolated gate, in temperature acquisition mistake
Operation stability is able to ascend in journey.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the work flow diagram of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the present embodiment provides a kind of electromotor integrated protection system for extractive equipment, including controller
19, display screen 20, comprehensive protector of motor 1, contactor 6, no-load leakage tests relay 10, no-load leakage tests resistance 12,
High_voltage isolation relay 13, no-load detection of electrical leakage module 14 and motor 3.
Wherein, the comprehensive protector of motor 1 and no-load detection of electrical leakage module 14 are touched by emergency stop relay normally open respectively
18 connection power supply of point, the controller 19 are connect with comprehensive protector of motor 1, the controller 19 and 20 communication link of display screen
Connect, the comprehensive protector of motor 1 also respectively with no-load leakage tests relay 10, no-load detection of electrical leakage module 14 and relay
Device 16 connects, and the contactor coil 6 is connect by the normally opened contact I 17 of relay 16 with comprehensive protector of motor 1, described
The normally opened contact II 11 and no-load detection of electrical leakage module 14 that no-load leakage tests resistance 12 passes through no-load leakage tests relay 10
Connection, the high_voltage isolation relay 13 are connect by the normally-closed contact 8 of contactor 6 with comprehensive protector of motor 1, the motor
3 load cable is connect by the normally opened contact of high_voltage isolation relay 13 with no-load detection of electrical leakage module 14, and the motor 3 is logical
The normally opened contact III 9 for crossing contactor 6 connects 3300V power supply, and earth leakage search/lockout detection is provided on the comprehensive protector of motor 1
Indicator light 21 and contactor are closed indicator light 22, and the earth leakage search/lockout detection indicator light 21 is connected to no-load detection of electrical leakage module
On 14 normally opened contact IV 15, the contactor closure indicator light 22 is connected on the normally opened contact V 7 of contactor 6.The electricity
Current Voltage sensor 2, the Current Voltage sensor 2 and comprehensive protector of motor 1 are additionally provided on machine comprehensive protector
Connection, for detecting 3 power loop electric current of motor and voltage signal and being conveyed to comprehensive protector of motor 1.
Temperature sensor is provided on the motor 3, the temperature sensor passes sequentially through isolated gate 4 and temperature detection mould
Block 5 connects comprehensive protector of motor 1, since isolated gate 4 is arranged, is able to ascend operation stability during temperature acquisition.
As shown in Fig. 2, the workflow of the utility model is as follows:
After controller 19 detects that remote controler and coalcutter wireless telecommunications are normal, emergency stop circuit is powered, emergency stop relay
Normally opened contact 18 is closed, and comprehensive protector of motor 1 is powered；
Detect that wireless telecommunications are normally sent by Profibus bus afterwards between remote controler and coalcutter in controller 19
To comprehensive protector of motor 1, the output of comprehensive protector of motor 1 makes no-load leakage tests relay 10 have actuation condition,
Normally opened contact 11 II is closed, and no-load leakage tests resistance 12 is connected；
The output of comprehensive protector of motor 1 is powered by the normally-closed contact 8 of contactor 6 to high_voltage isolation relay 13, high
Press disconnecting relay 13 it is electric after its internal normally opened contact closure connect 3 power loop of motor, no-load detection of electrical leakage module 14 is examined
Whether normal survey no-load leakage tests electric current；
When no-load leakage tests electric current goes beyond the scope, no-load detection of electrical leakage module 14 is acted, and normally opened contact IV 15 is closed,
To which earth leakage search/lockout information is fed back to comprehensive protector of motor 1, the earth leakage search/lockout of comprehensive protector of motor 1 detects indicator light 21
It is bright, while relay 16 being forbidden to act, normally opened contact I 17 maintains a normally open, and the coil power supply of contactor 6 is in an off state,
Its normally opened contact 9 III maintains a normally open, and 3300V power supply off-state receives enabling signal at this time, can not also start motor 3；
When no-load detection of electrical leakage module 14 detects no-load leakage tests electric current in normal range (NR), after receiving enabling signal,
Stop to 10 output signal of no-load leakage tests relay, normally opened contact II 11 is flicked by closed state, leakage tests resistance
12 disconnect；
Comprehensive protector of motor 1 starts to give relay 16 output signal, and the normally opened contact I 17 of relay 16 is closed, to connecing
The normally-closed contact 8 of the coil power supply of tentaculum 6, contactor 6 disconnects, and stops powering to high_voltage isolation relay, contactor 6 obtains electric
Afterwards, normally opened contact III 9 is closed, and 3300V power supply is powered to motor 3, and the normally opened contact V 7 of contactor 6 is closed, comprehensive to motor
1 feedback signal of protector is closed, the contactor closure indicator light 22 of comprehensive protector of motor 1 is bright, it is known that 3300V power supply is normal；
After 3300V power supply, the temperature sensor of motor 3 is by being sent to temperature for signal after the limitation of isolated gate 4 voltage, electric current
Detection module 5, the temperature signal detected are input to comprehensive protector of motor 1, and comprehensive protector of motor 1 is judged by temperature value
Whether 3 operating status of motor is normal, and Current Voltage sensor 2 detects 3 power loop current/voltage of motor letter signal and is conveyed to
Comprehensive protector of motor 1, comprehensive protector of motor 1 by current/voltage signal judge whether motor 3 overloads, overcurrent, phase shortage,
Under-voltage, decompression, imbalance；
When comprehensive protector of motor 1 judges 3 abnormal running of motor, comprehensive protector of motor 1 stops to contactor
The enabled relay 16 that is powered exports, and normally opened contact I 17 is flicked by closed state, and the coil power supply of contactor 6, which is in, disconnects shape
State；The normally opened contact III 9 of contactor 6 is flicked by closed state, and 3300V is for electrically disconnected, and the normally opened contact V 7 of contactor 6 is by closing
Conjunction state flicks, and contactor is closed indicator light 22 and extinguishes.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of electromotor integrated protection system for extractive equipment, it is characterised in that: including controller (19), the comprehensive guarantor of motor
Protect device (1), contactor (6), no-load leakage tests relay (10), no-load leakage tests resistance (12), high_voltage isolation relay
(13), no-load detection of electrical leakage module (14) and motor (3), wherein
The comprehensive protector of motor (1) and no-load detection of electrical leakage module (14) pass through emergency stop relay normally open contact (18) respectively
Connect power supply, the controller (19) connect with comprehensive protector of motor (1), the comprehensive protector of motor (1) also respectively with
No-load leakage tests relay (10), no-load detection of electrical leakage module (14) and relay (16) connection, the contactor (6) pass through
The normally opened contact I (17) of relay (16) is connect with comprehensive protector of motor (1), and the no-load leakage tests resistance (12) passes through
The normally opened contact II (11) of no-load leakage tests relay (10) is connect with no-load detection of electrical leakage module (14), the high_voltage isolation
Relay (13) is connect by the normally-closed contact (8) of contactor (6) with comprehensive protector of motor (1), the load of the motor (3)
Cable is connect by the normally opened contact of high_voltage isolation relay (13) with no-load detection of electrical leakage module (14), and the motor (3) is logical
Cross normally opened contact III (9) the connection 3300V power supply of contactor (6)；
Temperature sensor is provided on the motor (3), the temperature sensor passes sequentially through isolated gate (4) and temperature detection mould
Block (5) connects comprehensive protector of motor (1).
2. a kind of electromotor integrated protection system for extractive equipment according to claim 1, it is characterised in that: the electricity
Earth leakage search/lockout detection indicator light (21) and contactor closure indicator light (22), the electric leakage are provided on machine comprehensive protection device (1)
Locking detection indicator light (21) is connected on the normally opened contact IV (15) of no-load detection of electrical leakage module (14), the contactor closure
Indicator light (22) is connected on the normally opened contact V (7) of contactor (6).
3. a kind of electromotor integrated protection system for extractive equipment according to claim 2, it is characterised in that: further include
Display screen (20), the controller (19) and display screen (20) communicate to connect.
4. a kind of electromotor integrated protection system for extractive equipment according to claim 3, it is characterised in that: on circuit
It is provided with Current Voltage sensor (2), the Current Voltage sensor (2) connect with comprehensive protector of motor (1), for detecting
Motor (3) power loop electric current and voltage signal are simultaneously conveyed to comprehensive protector of motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821510025.6U CN208723536U (en) | 2018-09-14 | 2018-09-14 | A kind of electromotor integrated protection system for extractive equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821510025.6U CN208723536U (en) | 2018-09-14 | 2018-09-14 | A kind of electromotor integrated protection system for extractive equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723536U true CN208723536U (en) | 2019-04-09 |
Family
ID=65982127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821510025.6U Active CN208723536U (en) | 2018-09-14 | 2018-09-14 | A kind of electromotor integrated protection system for extractive equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834652A (en) * | 2019-11-29 | 2020-02-25 | 中车大连机车车辆有限公司 | Locomotive overspeed automatic unloading device, locomotive overspeed automatic unloading method and vehicle |
| CN115220507A (en) * | 2022-09-21 | 2022-10-21 | 山西万家寨水控水利机电科技服务有限公司 | Novel integrated motor with leakage protection device |
-
2018
- 2018-09-14 CN CN201821510025.6U patent/CN208723536U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834652A (en) * | 2019-11-29 | 2020-02-25 | 中车大连机车车辆有限公司 | Locomotive overspeed automatic unloading device, locomotive overspeed automatic unloading method and vehicle |
| CN115220507A (en) * | 2022-09-21 | 2022-10-21 | 山西万家寨水控水利机电科技服务有限公司 | Novel integrated motor with leakage protection device |
| CN115220507B (en) * | 2022-09-21 | 2022-12-16 | 山西万家寨水控水利机电科技服务有限公司 | Novel integrated motor with leakage protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211019 Address after: 451162 2nd floor, building 1, smart terminal mobile phone industrial park, intersection of Huaxia Avenue and Donghai Road, Hangkong port area, Zhengzhou City, Henan Province Patentee after: Zhengzhou Coal Machinery Intelligent Working Face Technology Co.,Ltd. Address before: 710000 No. 8-101, Jingwei medium and small industrial park, economic and Technological Development Zone, Xi'an, Shaanxi Province Patentee before: XI'AN SIJIANGDE EQUIPMENT MANUFACTURING Co.,Ltd. |
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| TR01 | Transfer of patent right |