CN207184267U - A kind of motor temperature detects alarm control unit - Google Patents
A kind of motor temperature detects alarm control unit Download PDFInfo
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- CN207184267U CN207184267U CN201721174330.8U CN201721174330U CN207184267U CN 207184267 U CN207184267 U CN 207184267U CN 201721174330 U CN201721174330 U CN 201721174330U CN 207184267 U CN207184267 U CN 207184267U
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- temperature detection
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Abstract
The utility model discloses a kind of motor temperature to detect alarm control unit, and it includes U, V, W three-phase coil temperature detection sensor, fore bearing temperature detection sensor and the rear bearing temperature detection sensor being connected on PLC inputs；U, V, W three-phase coil temperature detection sensor is corresponded at U, V, W three-phase coil gap bridge of stator respectively, and fore bearing temperature detection sensor and rear bearing temperature detection sensor are corresponded at motor fore bearing and rear bearing respectively.Motor warning circuit module is also connected with by relay on the PLC, when motor U, V, W three-phase coil and too high front and back bearings temperature, motor warning circuit module sends alarm signal.The utility model can detect the temperature of motor stator three-phase coil and front and back bearings, and alarm new signal is sent when temperature is too high.
Description
Technical field
Machine field is the utility model is related to, refers in particular to a kind of motor temperature detection alarm control unit.
Background technology
Motor is in the process of running because power supply voltage is not up to standard, switch board line fault, overload or motor
Bearing lubrication is bad to cause motor coil heating or motor bearings heating.This problem is not easy by operating personnel in use
It is it was found that easily ignored.And the heating of these two aspects can cause mortal injury to motor, ultimately result in motor coil and burn or turn surely
Son sweeps hall.In order to allow operating personnel to find the coil and bearing temperature situation of change of motor in advance, corresponding repairing is taken
Maintenance measure, prevent motor damage.
And existing motor temperature detection alarm control unit, the overall heating temp in outside of a detection motor can not be right
The coil and bearing temperature of motor are detected, and are only detected outside motor entirety heating temp, are not easy to targetedly to motor
Safeguarded, reduce the maintenance efficiency of staff.
The content of the invention
The purpose of this utility model is：For above-mentioned problem, there is provided a kind of motor temperature detects controlling alarm
Device, the device can detect coil of stator of motor and bearing temperature.
The technical solution adopted in the utility model is as follows：
A kind of motor temperature detects alarm control unit, it is characterised in that：It includes the U phases being connected on PLC inputs
Coil temperature detection sensor, V phase coils temperature detection sensor, W phase coils temperature detection sensor, fore bearing temperature detection
Sensor and rear bearing temperature detection sensor；U phases alarm relay, V phases alarm relay, the W being connected in PLC output ends
Phase alarm relay, fore bearing alarm relay, rear bearing alarm relay；The U phase coils temperature detection sensor installation
At the gap bridge of stator U phase coils, V phase coils temperature detection sensor is arranged at the gap bridge of stator V phase coils, W phase coils
Temperature detection sensor is arranged at the gap bridge of stator W phase coils;Fore bearing temperature detection sensor and rear bearing temperature detection
Sensor is corresponded at motor fore bearing and rear bearing respectively；The U phases alarm relay normally opened contact is alarmed with motor
U phase warning circuit block coupled in series in circuit module；In the V phases alarm relay normally opened contact and motor warning circuit module
V phase warning circuit block coupled in series;The W phases alarm relay normally opened contact is alarmed with the W phases in motor warning circuit module
Circuit module is connected;The fore bearing alarm relay normally opened contact and the fore bearing warning circuit in motor warning circuit module
Block coupled in series;Bearing alarm relay normally opened contact and the rear bearing warning circuit module in motor warning circuit module after described
Series connection；
The motor warning circuit module is connected with the time relay, on-delay break contact and the electricity of the time relay
Machine control circuit module is connected.
Due to said structure, the present apparatus can detect the temperature of three-phase coil, the temperature of front and back bearings, when temperature is too high
Alarm, notifies attendant；Meanwhile when nobody's controlled motor stops, delayed automatic control motor stopping.
Further, motor warning circuit module is alarmed including U phase warning circuits module, V phase warning circuits module, W phases
Circuit module, fore bearing warning circuit module and rear bearing warning circuit module；The U phases warning circuit module, V phases are alarmed electricity
Road module, W phase warning circuits module, fore bearing warning circuit module and rear bearing warning circuit module rear and time parallel with one another
Relay is connected；The U phases warning circuit module, V phase warning circuits module, W phase warning circuits module, fore bearing warning circuit
Module and rear bearing warning circuit module include alarm lamp and alarming horn parallel with one another.
Further, outside motor environment temperature detection sensor is also associated with PLC input；In PLC output ends
It is also associated with outside motor environment temperature alarm relay；The outside motor environment temperature alarm relay normally opened contact and electricity
Machine ambient temperature alarm module and time relay series connection；The outside motor environment temperature alarm module is parallel with one another
Alarm lamp and alarming horn.
Due to said structure, the present apparatus can also detect outside motor environment temperature, avoid motor from transporting in high temperature environments
Go and damage.
Further, display device is also associated with the PLC, U phase coil temperature is provided with the display device and is shown
Show module, V phase coils temperature display module, W phase coils temperature display module, fore bearing temperature display module, rear bearing temperature
Display module and outside motor environment temperature display module.
Due to said structure, display device can each Temperature numerical of real-time display, be easy to attendant monitor motor work
Make state.
Further, sensor mounting hole, the fore bearing temperature are offered in the bearing chamber of the forward and backward end cap of motor
Detection sensor and rear bearing temperature detection sensor are inserted to be inserted in sensor mounting hole respectively.
Further, the sensor mounting hole has multiple, respectively the rounded array on the outside of fore bearing and rear bearing
Arrange and be arranged on motor front and back ends and cover, and be respectively inserted with the sensor mounting hole at each fore bearing and rear bearing
Fore bearing temperature detection sensor and rear bearing temperature detection sensor；And each fore bearing temperature detection sensor and rear bearing
Temperature detection sensor is both connected on PLC input.
Due to said structure, temperature sensor is uniformly arranged on the outside of motor bearings, can more accurately detect axle
The temperature held, the sensitivity of detection means is improved, avoid bearing uneven heating from causing temperature detection inaccurate.
Further, circuit for controlling motor module includes being serially connected motor stop button, electric motor starting button and connect
Tentaculum；Wherein main noddle on contactor normally opened contact is connected on motor main circuit, and auxiliary contact normally opened contact is connected in parallel on motor and opened
At dynamic button.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
The utility model can detect the temperature at motor three-phase coil and front and back bearings, enable staff direct
The temperature regime of each part of motor internal is solved, is easy to the maintenance of motor.When motor temperature is too high, the device being capable of controlled motor
Shut down, while alert notice staff, avoid motor heat damage.
Brief description of the drawings
Fig. 1 is PLC circuit structure chart；
Fig. 2 is the electricity of motor warning circuit module, outside motor environment temperature alarm module and circuit for controlling motor module
Line structure figure.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
A kind of motor temperature detects alarm control unit, and it includes the U phase coil temperature detections being connected on PLC inputs
Sensor W1, V phase coil temperature detection sensor W2, W phase coil temperature detection sensor W3, fore bearing temperature detection sensor
W4 and rear bearing temperature detection sensor W5；U phase alarm relay KA1, V the phase alarm relays being connected in PLC output ends
KA2, W phase alarm relay KA3, fore bearing alarm relay KA4, rear bearing alarm relay KA5；The U phase coils temperature
Detection sensor W1 is arranged at the gap bridge of stator U phase coils, and V phase coil temperature detection sensors W2 is arranged on stator V phase lines
At the gap bridge of circle, W phase coil temperature detection sensors W3 is arranged at the gap bridge of stator W phase coils;
Fore bearing temperature detection sensor W4 and rear bearing temperature detection sensor W5 is corresponded to be arranged on motor front axle respectively
Hold at room and rear bearing chamber；
The detection means includes motor warning circuit module 1, and the motor warning circuit module 1 is alarmed electricity including U phases
Road module, V phase warning circuits module, W phase warning circuits module, fore bearing warning circuit module and rear bearing warning circuit mould
Block；
The U phases alarm relay normally opened contact KA1 and U phase warning circuit block coupled in series；The V phases alarm relay is normal
Open contact KA2 and V phase warning circuit block coupled in series;
The W phases alarm relay normally opened contact KA3 and W phase warning circuit block coupled in series;
The fore bearing alarm relay normally opened contact KA4 and fore bearing warning circuit block coupled in series;Bearing report after described
Alert relay normally open contact KA5 and rear bearing warning circuit block coupled in series；
The U phases warning circuit module, V phase warning circuits module, W phase warning circuits module, fore bearing warning circuit mould
Connected after block and rear bearing warning circuit module are parallel with one another with time relay KT, time relay on-delay break contact
KT connects with circuit for controlling motor module 3.
The U phases warning circuit module, V phase warning circuits module, W phase warning circuits module, fore bearing warning circuit mould
Block and rear bearing warning circuit module include alarm lamp and alarming horn parallel with one another.
Outside motor environment temperature detection sensor W6 is also associated with the input of the PLC；Also connect in PLC output ends
It is connected to outside motor environment temperature alarm relay KA6；The outside motor environment temperature alarm relay normally opened contact KA6 with
Outside motor environment temperature alarm module 2 and time relay KT series connection；The outside motor environment temperature alarm module 2 is mutual
Alarm lamp and alarming horn in parallel.
Display device is also associated with the PLC, U phase coil temperature display modules are provided with the display device;V phases
Coil temperature display module, W phase coils temperature display module, fore bearing temperature display module, rear bearing temperature display module and
Outside motor environment temperature display module.
Sensor mounting hole is provided with the outside of fore bearing and rear bearing, the fore bearing temperature detection sensor W4 is with after
Bearing temperature detection sensor W5 is inserted to be inserted in sensor mounting hole respectively；
The sensor mounting hole is opened in the bearing chamber of the forward and backward end cap of motor.The sensor mounting hole have it is multiple,
It can be 3,4,5,6；There are 3 sensor mounting hole in the present embodiment, at fore bearing, there are 3 sensings at rear bearing
Device mounting hole, their rounded array arrangements on the outside of fore bearing and rear bearing, and each fore bearing and rear bearing go out respectively
Sensor mounting hole in be respectively inserted with fore bearing temperature detection sensor W4 and rear bearing temperature detection sensor W5；It is and every
Individual fore bearing temperature detection sensor W4 and rear bearing temperature detection sensor W5 are both connected on PLC input, that is, have 3
Bearing temperature detection sensor W5 is connected on PLC after fore bearing temperature detection sensor W4 and 3.
Circuit for controlling motor module 3 includes motor stop button SB1, electric motor starting button SB2 and the contact being serially connected
Device KM；Wherein main noddle on contactor normally opened contact KM is connected on motor main circuit, and auxiliary contact normally opened contact KM is connected in parallel on electricity
At machine start button SB2, self-locking motor start button SB2.
Relay, motor warning circuit module 1, outside motor environment temperature alarm mould in PLC, PLC output end
Block 2, circuit for controlling motor module 3, display device are by 220V AC-powereds；Motor then accesses L1, L2, L3 three phase supplies；U
Phase coil temperature detection sensor W1, V phase coil temperature detection sensor W2, W phase coil temperature detection sensor W3, fore bearing
After temperature detection sensor W4 bearing temperature detection sensor W5 and outside motor environment temperature detection sensor W6 by PLC inside
Power supply is powered, supply voltage 24V.
U, V, W three-phase coil temperature detection sensor are arranged on by way of binding on the gap bridge of U, V, W three-phase coil.
The operation principle of this motor temperature detection alarm control unit is as follows：
U phase coil temperature detection sensor W1, V phase coil temperature detection sensor W2, W phase coil temperature detection sensors
W3, fore bearing temperature detection sensor W4, rear bearing temperature detection sensor W5, outside motor environment temperature detection sensor W6
U phase coils temperature, V phase coils temperature, W phase coils temperature, fore bearing temperature, rear bearing temperature, outside motor ring are detected respectively
Border temperature.When U phase coil temperature detection sensor W1, V phase coil temperature detection sensor W2, W phase coils temperature detection senses
Device W3, fore bearing temperature detection sensor W4, rear bearing temperature detection sensor W5 and outside motor environment temperature detection sensing
When the temperature value that device W6 is detected is more than the rated temperature value of setting in PLC, PLC controls corresponding U phase alarm relays respectively
KA1, V phase alarm relay KA2, W phase alarm relay KA3, fore bearing alarm relay KA4, rear bearing alarm relay
KA5, outside motor environment temperature alarm relay KA6 invocation points, make each contact action on a relay.
U phase alarm relay normally opened contacts KA1 is closed, alarm lamp F1 and alarm loudspeaker in U phase warning circuit modules
B1 works；
V phase alarm relay normally opened contacts KA2 is closed, alarm lamp F2 and alarm loudspeaker in V phase warning circuit modules
B2 works；
W phase alarm relay normally opened contacts KA3 is closed, alarm lamp F3 and alarm loudspeaker in W phase warning circuit modules
B3 works；
Fore bearing alarm relay normally opened contact KA4 is closed, alarm lamp F4 in fore bearing warning circuit module and
Alarming horn B4 works；
Bearing alarm relay normally opened contact KA5 is closed afterwards, alarm lamp F5 in rear bearing warning circuit module and
Alarming horn B5 works；
Ambient temperature alarm relay normally opened contact KA6 is closed, and the alarm in ambient temperature alarm module refers to
Show lamp F6 and alarming horn B6 work；
U phase alarm relay normally opened contact KA1 or V phase alarm relay normally opened contact KA2 or W phase alarm relays are normally opened
Contact KA3 or fore bearing alarm relay normally opened contact KA4 or rear bearings alarm relay normally opened contact KA5 or external environment condition temperature
Time relay KT is obtained electric after degree alarm relay normally opened contact KA6 closures, is delayed after certain time, and the time relay, which is powered, to be prolonged
When break contact KT after disconnect, motor circuit module can not obtain electric（Contactor KM can not obtain electric, uncontrollable contacts of contactor KM
Closure）, then motor stalls.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of motor temperature detects alarm control unit, it is characterised in that：It includes the U phase lines being connected on PLC inputs
Temperature detection sensor, V phase coils temperature detection sensor, W phase coils temperature detection sensor, fore bearing temperature detection is enclosed to pass
Sensor and rear bearing temperature detection sensor；It is connected to U phases alarm relay in PLC output ends, V phases alarm relay, W phases
Alarm relay, fore bearing alarm relay, rear bearing alarm relay；The U phase coils temperature detection sensor is arranged on
At the gap bridge of stator U phase coils, V phase coils temperature detection sensor is arranged at the gap bridge of stator V phase coils, W phase coil temperature
Detection sensor is spent to be arranged at the gap bridge of stator W phase coils;Fore bearing temperature detection sensor and rear bearing temperature detection pass
Sensor is corresponded at motor fore bearing and rear bearing respectively；The U phases alarm relay normally opened contact and motor alarm electricity
U phase warning circuit block coupled in series in the module of road；In the V phases alarm relay normally opened contact and motor warning circuit module
V phase warning circuit block coupled in series;The W phases alarm relay normally opened contact and the W phases in motor warning circuit module are alarmed electricity
Road block coupled in series;The fore bearing alarm relay normally opened contact and the fore bearing warning circuit mould in motor warning circuit module
Block is connected;Bearing alarm relay normally opened contact and the rear bearing warning circuit module string in motor warning circuit module after described
Connection；The motor warning circuit module is connected with the time relay, time relay on-delay break contact and motor control
Circuit module is connected.
2. motor temperature according to claim 1 detects alarm control unit, it is characterised in that：Motor warning circuit module
Including U phase warning circuits module, V phase warning circuits module, W phase warning circuits module, fore bearing warning circuit module and rear axle
Hold warning circuit module；The U phases warning circuit module, V phase warning circuits module, W phase warning circuits module, fore bearing alarm
Connected after circuit module and rear bearing warning circuit module are parallel with one another with the time relay；The U phases warning circuit module, V
Phase warning circuit module, W phase warning circuits module, fore bearing warning circuit module and rear bearing warning circuit module include phase
Mutually alarm lamp and alarming horn in parallel.
3. motor temperature according to claim 2 detects alarm control unit, it is characterised in that：On PLC input also
It is connected with outside motor environment temperature detection sensor；Outside motor environment temperature alarm relay is also associated with PLC output ends
Device；
The outside motor environment temperature alarm relay normally opened contact and outside motor environment temperature alarm module and time after
Electrical equipment is connected；
The outside motor environment temperature alarm module alarm lamp and alarming horn parallel with one another.
4. motor temperature according to claim 3 detects alarm control unit, it is characterised in that：It is also connected with the PLC
There is display device, U phase coils temperature display module, V phase coils temperature display module, W phase lines are provided with the display device
Enclose temperature display module, fore bearing temperature display module, rear bearing temperature display module and outside motor environment temperature and show mould
Block.
5. motor temperature according to claim 4 detects alarm control unit, it is characterised in that：The forward and backward end cap of motor
Sensor mounting hole is offered in bearing chamber, the fore bearing temperature detection sensor and rear bearing temperature detection sensor are inserted
Insert respectively in sensor mounting hole.
6. motor temperature according to claim 5 detects alarm control unit, it is characterised in that：The sensor mounting hole
Have it is multiple, respectively on the outside of fore bearing and rear bearing rounded array arrangement and be arranged on motor front and back ends and cover, and each
Fore bearing temperature detection sensor and the inspection of rear bearing temperature are respectively inserted with sensor mounting hole at fore bearing and rear bearing
Survey sensor；And each fore bearing temperature detection sensor and rear bearing temperature detection sensor are both connected to PLC input
On.
7. motor temperature according to claim 6 detects alarm control unit, it is characterised in that：Circuit for controlling motor module
Including the motor stop button, electric motor starting button and contactor being serially connected；Wherein main noddle on contactor normally opened contact is connected
On motor main circuit, auxiliary contact normally opened contact is connected in parallel at electric motor starting button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174330.8U CN207184267U (en) | 2017-09-14 | 2017-09-14 | A kind of motor temperature detects alarm control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721174330.8U CN207184267U (en) | 2017-09-14 | 2017-09-14 | A kind of motor temperature detects alarm control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207184267U true CN207184267U (en) | 2018-04-03 |
Family
ID=61747266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721174330.8U Active CN207184267U (en) | 2017-09-14 | 2017-09-14 | A kind of motor temperature detects alarm control unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207184267U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950876A (en) * | 2019-03-29 | 2019-06-28 | 江苏核电有限公司 | A kind of motor bearings protection system based on temperature detection |
| CN112036742A (en) * | 2020-08-28 | 2020-12-04 | 银云智能科技(广州)有限公司 | Method for evaluating running health state of power distribution room equipment |
-
2017
- 2017-09-14 CN CN201721174330.8U patent/CN207184267U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950876A (en) * | 2019-03-29 | 2019-06-28 | 江苏核电有限公司 | A kind of motor bearings protection system based on temperature detection |
| CN112036742A (en) * | 2020-08-28 | 2020-12-04 | 银云智能科技(广州)有限公司 | Method for evaluating running health state of power distribution room equipment |
| CN112036742B (en) * | 2020-08-28 | 2021-06-01 | 银云智能科技(广州)有限公司 | Method for evaluating running health state of power distribution room equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Motor Temperature Detection Alarm Control Device Effective date of registration: 20230921 Granted publication date: 20180403 Pledgee: Zhengning County Rural Credit Cooperative Association Pledgor: QINGYANG OUWEI ELECTROMECHANICAL EQUIPMENT CO.,LTD. Registration number: Y2023980058162 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |