CN204128709U - For the device for monitoring temperature of motor - Google Patents
For the device for monitoring temperature of motor Download PDFInfo
- Publication number
- CN204128709U CN204128709U CN201420533618.XU CN201420533618U CN204128709U CN 204128709 U CN204128709 U CN 204128709U CN 201420533618 U CN201420533618 U CN 201420533618U CN 204128709 U CN204128709 U CN 204128709U
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- Prior art keywords
- temperature
- motor
- temperature sensor
- scrambler
- signal
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Abstract
The utility model discloses a kind of device for monitoring temperature for motor, all set temperature sensing element in motor with the scrambler being installed on motor external shell, with in induction motor, the change of external temperature, and in utilizing, the temperature difference that external temperature produces monitors the working condition of two inductors, motor can be operated under the temperature range of safety, reach the function of protection motor, avoid motor burnout, effectively can increase the life-span that motor uses, and protect the high Power output that motor can remain good at normal working temperature, and temperature sensor carries out signal transmission by single transmission line, dispensing efficiency can be promoted and reduce distribution cost.
Description
Technical field
The utility model relates to a kind of device for monitoring temperature for motor.
Background technology
Though general motor internal is equiped with temperature sensor, when motor has produced the phenomenon of high temperature, the often motor too high damage of Yin Wendu in the running, relatedly burn other part of motor internal.
Therefore; have in the supervisory system of motor temperature protection mechanism at present; burn in order to avoid motor internal causes because temperature is too high; usually temperature sensor detect motor temperature exceed a certain temperature spot time; cut-out can be carried out export and allow motor decommission; avoid motor to damage and perform defencive function; but after motor shuts down; user must wait for that again motor temperature drops to a certain design temperature point and just can again operate later, so can cause the inconvenience that user operates.
On the other hand; also a kind of temperature warning device of motor is had on the market; but alarming device only connects hummer or loudspeaker etc. in motor outside; when temperature sensor senses that motor temperature exceedes a certain temperature spot; sound is utilized to reach warning function; but the volume of general work place machine operation often can be greater than hummer volume; if therefore can be excessive because of the volume of mechanical motion after hummer or loudspeaker start; make staff cannot hear the sound that hummer or loudspeaker send, cause to discover the overheated phenomenon of motor immediately and causing motor to damage.
But, if the temperature sensor of motor internal damages, whether cannot exceed a certain temperature spot by normal detection motor temperature, even if motor is provided with suddenly stop the functions such as protection or temperature warning, also cannot sense the phenomenon that motor is overheated.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art existence, provides a kind of device for monitoring temperature for motor, motor is operated under the temperature range of safety, avoids motor burnout.
The purpose of this utility model is achieved through the following technical solutions:
For a device for monitoring temperature for motor, comprising:
Driver, has a temperature monitoring unit, and produces a driving signal in order to control and CD-ROM drive motor running;
Scrambler, it is installed on the external shell of motor, has a processing unit, and described feedback signal is also back to driver by the feedback signal exported during in order to read motor running;
First temperature sensor, is arranged in motor, in order to detect the temperature variation of motor internal, to produce the first temperature signal;
Second temperature sensor, to be arranged in scrambler and to be attached at the external shell of motor, in order to detect the temperature variation of the external shell of motor, to produce the second temperature signal; And
First transmission line, for described first temperature sensor of serial connection and scrambler, in order to be sent in scrambler by described first temperature signal;
Second transmission line, for described second temperature sensor of serial connection and scrambler, in order to be sent in scrambler by described second temperature signal;
The processing unit of described scrambler is integrated the first temperature signal and the second temperature signal and is exported the 3rd temperature signal, 3rd temperature signal is sent in the temperature monitoring unit of described driver by the 3rd transmission line, makes the temperature variation of temperature monitoring unit monitoring motor inside and external shell.
Preferably, described temperature monitoring unit also comprises a temperature sensor abnormality alarm device and a motor overtemperature warning system, described temperature sensor abnormality alarm device system is in order to indicate the working condition of the first temperature sensor and the second temperature sensor, and described motor overtemperature warning system is in order to indicate the situation of being heated of motor.
Preferably, described first temperature sensor and the second temperature sensor are thermistor, thermal diode or thermopair.
Preferably, described first temperature signal is sent in the processing unit of described scrambler by described first transmission line by described first temperature sensor; Described second temperature signal is sent in the processing unit of described scrambler by described second transmission line by described second temperature sensor.
Preferably, described feedback signal comprises position, the velocity and acceleration of described motor.
Preferably, described first transmission line, the second transmission line, the 3rd transmission line are same transmission line.
The beneficial effects of the utility model are mainly reflected in:
By all set temperature sensing element in motor with the scrambler being installed on motor external shell, with in induction motor, the change of external temperature, and in utilizing, the temperature difference that external temperature produces monitors the working condition of two inductors, motor can be operated under the temperature range of safety, reach the function of protection motor, avoid motor burnout, effectively can increase the life-span that motor uses, and protect the high Power output that motor can remain good at normal working temperature, and temperature sensor carries out signal transmission by single transmission line, dispensing efficiency can be promoted and reduce distribution cost.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail embodiment of the present utility model, is easier to understand, grasp to make technical solutions of the utility model.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solutions of the utility model are described further:
Fig. 1: the structural representation of the utility model device for monitoring temperature;
Fig. 2: the schematic flow sheet of the utility model temperature monitoring method.
Embodiment
As shown in Figure 1, the device for monitoring temperature 1 for motor comprises: a driver 10, receives the input current 121 of power supply 12 and produces a driving signal 103, in order to control and to drive its motor 14 to operate, having a temperature monitoring unit 101 in it; One scrambler 16, it is installed on the external shell of motor 14, has a processing unit 161, in order to read the feedback signal 162 exported when motor 14 operates, and feedback signal 162 is back to driver 10; Therefore, can CD-ROM drive motor 14 operate after driver 10 is because of power supply 12 startup, and scrambler 16 can sense the feedback signal 162 that motor 14 exports, the feedback signal 162 in scrambler 16 is collected again by driver 10, produce after treatment and drive signal 103 to control motor 14, and feedback signal 162 comprises the position, velocity and acceleration etc. of motor 14.
Device for monitoring temperature 1 for motor comprises one first temperature sensor T1 further, is arranged in order to detect the temperature variation of motor 14 inside in motor 14, to produce one first temperature signal; And one second temperature sensor T2, be arranged at scrambler 16 inner and be attached at the external shell of motor 14, in order to detect the temperature variation of motor 14 external shell, to produce one second temperature signal.It is inner and be attached at the external shell of motor 14 that the mode that described second temperature sensor T2 can utilize the mode of sticking together or utilization to inlay is arranged at scrambler 16; Wherein the first temperature sensor T1 and the second temperature sensor T2 is respectively via two transmission lines, first temperature signal and the second temperature signal are transferred to (line segment S1 and S2) in scrambler 16, and integrate the first temperature signal and the second temperature signal by the processing unit 161 of scrambler 16 inside and export one the 3rd temperature signal, 3rd temperature signal is sent in temperature monitoring unit 101 by a transmission line (line segment S3) again, makes the temperature variation of temperature monitoring unit 101 monitoring motor 14 inside and external shell.Connect the transmission line (line segment S1, S2) of the first temperature sensor T1 and the second temperature sensor T2, itself and connection handling unit 161 can be considered same transmission line with the transmission line (line segment S3) of temperature monitoring unit 101, all in order to transmit temperature signal, single transmission line carries out temperature signal transmission thus, effectively can reduce the complexity of distribution, promote dispensing efficiency and reduce distribution cost.
In addition, temperature monitoring unit 101 also has temperature sensor abnormality alarm device 1011 and a motor overtemperature warning system 1012, wherein temperature sensor abnormality alarm device 1011 is in order to indicate two temperatures sensing element (T1, T2) working condition, when the temperature difference of the first temperature sensor T1 and the second temperature sensor T2 exceedes the temperature range of normal specification, then temperature sensor abnormality alarm device 1011 can send abnormality alarm message, warning user first temperature sensor T1 and the second temperature sensor T2 produces the situation of temperature anomaly, motor overtemperature warning system 1012 is then in order to indicate the situation of being heated of motor 14, therefore when the first temperature sensor T1 sense motor 14 internal temperature be increased beyond specified temperature range, or when the second temperature sensor T2 sense motor 14 external shell temperature be increased beyond specified temperature range time, a temperature alarm message can be sent in advance by motor overtemperature warning system 1012 thus, the temperature of warning motor 14 has reached overheating protection scope, now then can export one to interrupt signal and start that safety is anxious stops protection mechanism, shut down in order to control motor 14, reach the object of protection motor 14.The thing that will illustrate in the present embodiment, the first temperature sensor T1 and the second temperature sensor T2 is thermistor (Thermistor), thermal diode (Thermal Diode) or thermopair (Thermal Couple) etc.
When motor 14 in the running, by the temperature monitoring unit 101 of driver 10 inside monitor simultaneously the first temperature sensor T1 and the second temperature sensor T2 sense the change of temperature, that is the temperature variation of simultaneously monitoring motor 14 internal temperature and external shell, therefore when the first temperature sensor T1 sense motor 14 internal temperature rise to rated temperature range or when the second temperature sensor T2 sense motor 14 external shell temperature rise to rated temperature range time, motor overtemperature warning system 1012 will send temperature alarm message in advance, such as: pass through hummer, loudspeaker is sounded or is passed through cresset flashing, the temperature reaching warning motor 14 has reached overheating protection scope, inform that user's motor 14 has overheated phenomenon, if the temperature of motor has exceeded overheating protection scope, now system meeting further output interruption signal has started a safety and has suddenly stopped protection mechanism, shuts down, reach the function protecting motor in order to control motor 14.
Except being provided with except temperature sensor in motor; also temperature sensor is provided with in the scrambler connect with motors; even if therefore the temperature sensor of motor internal damages and cannot to be heated situation by actual induction motor internal; by the effect of temperature sensor set in scrambler; although be the situation of being heated of induction motor external shell; but the current temperature of motor internal can be known by inference according to the change of motor external shell temperature; the same object that can reach protection motor, motor can be operated under the temperature range of safety.
As shown in Figure 2, the flow process of described method for supervising is as follows:
Step 200: monitoring motor inside and external temperature; The change of the temperature inner and outside by the temperature monitoring unit monitoring motor of internal drive, that is observe the first temperature sensor T1 and the second temperature sensor T2 sense the change of temperature, then enter step 201.
Step 201: judge whether the temperature difference of two temperatures sensing element exceedes the temperature range of normal specification; If the temperature difference of the first temperature sensor T1 and the second temperature sensor T2 exceedes the temperature range of normal specification, skip to step 202 and send abnormality alarm message by temperature sensor abnormality alarm device, warning user first temperature sensor T1 and the second temperature sensor T2 produces the situation of temperature anomaly, if under the temperature difference of the first temperature sensor T1 and the second temperature sensor T2 is in the temperature range of normal specification, then proceed to step 203.
Step 203: judge that whether motor is overheated, because the temperature detecting motor internal can higher than the temperature of motor external shell, the temperature that first temperature sensor T1 and the second temperature sensor T2 senses, or the temperature difference of two temperatures sensing element can judge that current motor is heated situation, in other words, when the first temperature sensor sense motor internal temperature be increased beyond specified temperature range, when the second temperature sensor sense motor external shell temperature be increased beyond rated temperature range time, then skip to step 204, if the first temperature sensor T1 sense motor internal temperature be not yet increased beyond preset temperature range, or second temperature sensor T2 sense motor external shell temperature and be not yet increased beyond preset temperature range, then to step 206.
Step 204: overtemperature warning system gives the alarm message; Motor inside and outside temperature risen reach rated temperature range time, a temperature alarm message can be sent in advance such as: sounded by hummer, loudspeaker or pass through cresset flashing by overtemperature warning system, inform user's motor superheat state, then enter step 205.
Step 205: starter motor safety is anxious stops protection mechanism; When motor temperature exceedes overheating protection scope, stop protection mechanism in order to stop the running of motor by anxious for startup one safety, reach the object of protection motor.
Step 206: motor is in normal operating temperature range.
In sum, due to motor and set temperature sensing element in the scrambler being installed on motor external shell, utilize the change of two temperatures sensing element difference induction motor inside and outside portion case temperature, and the temperature difference that the temperature that set temperature monitoring unit monitors inside and outside portion housing in driver produces, can to be effectively heated situation by monitoring motor, and guarantee the working condition of temperature sensor, increase the life-span that motor uses, and make the high Power output that motor can remain good at normal working temperature.
It is emphasized that: be only preferred embodiment of the present utility model above, not any pro forma restriction is done to the utility model, every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1. for a device for monitoring temperature for motor, it is characterized in that: comprise
Driver, has a temperature monitoring unit, and produces a driving signal in order to control and CD-ROM drive motor running;
Scrambler, it is installed on the external shell of motor, has a processing unit, and described feedback signal is also back to driver by the feedback signal exported during in order to read motor running;
First temperature sensor, is arranged in motor, in order to detect the temperature variation of motor internal, to produce the first temperature signal;
Second temperature sensor, to be arranged in scrambler and to be attached at the external shell of motor, in order to detect the temperature variation of the external shell of motor, to produce the second temperature signal; And
First transmission line, for described first temperature sensor of serial connection and scrambler, in order to be sent in scrambler by described first temperature signal;
Second transmission line, for described second temperature sensor of serial connection and scrambler, in order to be sent in scrambler by described second temperature signal;
The processing unit of described scrambler is integrated the first temperature signal and the second temperature signal and is exported the 3rd temperature signal, 3rd temperature signal is sent in the temperature monitoring unit of described driver by the 3rd transmission line, makes the temperature variation of temperature monitoring unit monitoring motor inside and external shell.
2. the device for monitoring temperature for motor according to claim 1, it is characterized in that: described temperature monitoring unit also comprises a temperature sensor abnormality alarm device and a motor overtemperature warning system, described temperature sensor abnormality alarm device system is in order to indicate the working condition of the first temperature sensor and the second temperature sensor, and described motor overtemperature warning system is in order to indicate the situation of being heated of motor.
3. the device for monitoring temperature for motor according to claim 1 and 2, is characterized in that: described first temperature sensor and the second temperature sensor are thermistor, thermal diode or thermopair.
4. the device for monitoring temperature for motor according to claim 1, is characterized in that: described first temperature signal is sent in the processing unit of described scrambler by described first transmission line by described first temperature sensor; Described second temperature signal is sent in the processing unit of described scrambler by described second transmission line by described second temperature sensor.
5. the device for monitoring temperature for motor according to claim 1, is characterized in that: described feedback signal comprises position, the velocity and acceleration of described motor.
6. the device for monitoring temperature for motor according to claim 1, is characterized in that: described first transmission line, the second transmission line, the 3rd transmission line are same transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533618.XU CN204128709U (en) | 2014-04-30 | 2014-09-17 | For the device for monitoring temperature of motor |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218282.8 | 2014-04-30 | ||
| CN201420218282 | 2014-04-30 | ||
| CN201420533618.XU CN204128709U (en) | 2014-04-30 | 2014-09-17 | For the device for monitoring temperature of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204128709U true CN204128709U (en) | 2015-01-28 |
Family
ID=52225271
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410473436.2A Active CN104236746B (en) | 2014-04-30 | 2014-09-17 | Device for monitoring temperature and monitoring method for motor |
| CN201420533618.XU Withdrawn - After Issue CN204128709U (en) | 2014-04-30 | 2014-09-17 | For the device for monitoring temperature of motor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410473436.2A Active CN104236746B (en) | 2014-04-30 | 2014-09-17 | Device for monitoring temperature and monitoring method for motor |
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| Country | Link |
|---|---|
| CN (2) | CN104236746B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236746A (en) * | 2014-04-30 | 2014-12-24 | 苏州新代数控设备有限公司 | Temperature monitoring device and method for motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6852476B2 (en) * | 2017-03-13 | 2021-03-31 | オムロン株式会社 | Rotating machine condition monitoring system, rotating machine condition monitoring method, programs and recording media |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101769990B (en) * | 2008-12-26 | 2012-06-20 | 鸿富锦精密工业（深圳）有限公司 | System and method for testing temperature rising characteristic of motor |
| JP5549505B2 (en) * | 2010-09-28 | 2014-07-16 | 日産自動車株式会社 | Temperature protection device, motor control device, and temperature protection method |
| US9404811B2 (en) * | 2011-10-04 | 2016-08-02 | Hamilton Sundstrand Corporation | Motor housing thermal sensing |
| CN104236746B (en) * | 2014-04-30 | 2016-10-26 | 苏州新代数控设备有限公司 | Device for monitoring temperature and monitoring method for motor |
-
2014
- 2014-09-17 CN CN201410473436.2A patent/CN104236746B/en active Active
- 2014-09-17 CN CN201420533618.XU patent/CN204128709U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236746A (en) * | 2014-04-30 | 2014-12-24 | 苏州新代数控设备有限公司 | Temperature monitoring device and method for motor |
| CN104236746B (en) * | 2014-04-30 | 2016-10-26 | 苏州新代数控设备有限公司 | Device for monitoring temperature and monitoring method for motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104236746B (en) | 2016-10-26 |
| CN104236746A (en) | 2014-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20161012 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |