CN117590883B - Sensing measurement and control system for monitoring motor temperature - Google Patents
Sensing measurement and control system for monitoring motor temperature Download PDFInfo
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- CN117590883B CN117590883B CN202410058588.XA CN202410058588A CN117590883B CN 117590883 B CN117590883 B CN 117590883B CN 202410058588 A CN202410058588 A CN 202410058588A CN 117590883 B CN117590883 B CN 117590883B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 19
- 238000005259 measurement Methods 0.000 title claims abstract description 10
- 238000001514 detection method Methods 0.000 claims abstract description 101
- 238000000034 method Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 158
- 230000005540 biological transmission Effects 0.000 claims description 62
- 238000001816 cooling Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 230000008602 contraction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000003211 malignant effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
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Abstract
The utility model relates to a sensing measurement and control system for monitoring motor temperature relates to the technical field of motor monitoring, and comprises a motor body, an inner detection part and an outer detection part, wherein the inner detection part comprises an inner detection box arranged in the motor body, a detection telescopic rod arranged on the motor body, a detection spring arranged in a rod cavity of the detection telescopic rod along the length direction of the detection telescopic rod and a detection tube communicated between the rod-free cavity of the detection telescopic rod and the inner detection box, gas is preset in the inner detection box, the detection tube and the rod-free cavity of the detection telescopic rod, the temperature in the inner detection box is in the rising process, the detection telescopic rod extends, and the temperature in the inner detection box is in the falling process, so that the detection telescopic rod contracts; the outer detection portion comprises a temperature sensor, and when the telescopic rod is detected to extend to a preset length, the temperature sensor is in a starting state. The motor temperature monitoring method and device can reduce the monitoring cost of the motor temperature.
Description
Technical Field
The application relates to the technical field of motor monitoring, in particular to a sensing measurement and control system for monitoring motor temperature.
Background
Motors are a large category of mechanical equipment that covers important engineering areas such as power, electricity, chemical, metallurgical, mining, and mechanical manufacturing.
The traditional motor generally comprises a motor rotor, a motor stator and a motor body, and in the working process of the motor body, the motor can generate a large amount of heat, so that the internal temperature of the motor is higher, if the heat is not timely emitted, the normal operation of the whole motor can be influenced, the working condition state of the motor can influence the operation of the equipment, the follow-up production can be influenced, especially when the motor is in a high-speed operation state for a long time, due to the influence of various random factors, mechanical faults can be avoided, especially when the temperature of the motor rises too fast or reaches a warning value, the insulation performance of an insulating layer wrapped by a stator core can be reduced if corresponding measures are not immediately taken, even insulation breakdown is caused, and malignant power failure accidents are caused.
At present, in order to monitor the temperature rise change of the motor in time, the temperature of the motor needs to be monitored in real time by using a temperature sensor, and the temperature sensor is in a working state for a long time, so that the monitoring cost of the temperature of the motor is high.
Disclosure of Invention
In order to solve the technical problem, the application provides a sensing measurement and control system for monitoring the temperature of a motor.
The application provides a sensing measurement and control system for monitoring motor temperature adopts following technical scheme:
a sensing measurement and control system for monitoring motor temperature comprises a motor body, an inner detection part, a detection spring, a detection tube and a control unit, wherein the inner detection part comprises an inner detection box arranged in the motor body, a detection telescopic rod arranged on the motor body, a detection spring arranged in a rod cavity of the detection telescopic rod along the length direction of the detection telescopic rod, the detection tube is communicated between a rodless cavity of the detection telescopic rod and the inner detection box, the inner detection box, the detection tube and the rodless cavity of the detection telescopic rod are all preset with gas, the temperature in the inner detection box is increased in the process of detecting the extension of the telescopic rod, and the temperature in the inner detection box is reduced in the process of detecting the contraction of the telescopic rod; the outer detection part comprises temperature sensors and a controller, wherein the temperature sensors and the controller are all arranged outside the motor body, the temperature sensors are in a normally closed state, when the detection telescopic rod extends to a preset length, the temperature sensors are in a starting state and are electrically connected with the controller, the temperature sensors are used for acquiring temperature information of the outer surface of the motor and transmitting corresponding temperature signals, and the controller is used for receiving the temperature signals and controlling the working state of the motor body.
By adopting the technical scheme, the temperature in the motor is gradually increased in the running process, and under the action of heat transfer, the gas in the inner detection box, the detection tube and the rodless cavity of the detection telescopic rod are heated and expanded, so that the detection telescopic rod extends;
when detecting the telescopic link and extending to preset length, detect the telescopic link and produce extrusion effect to control switch for temperature sensor is in the start-up state, realizes the preliminary detection to motor temperature through interior detection portion promptly, and after motor temperature risees to higher temperature, temperature sensor starts and carries out accurate temperature monitoring, avoids temperature sensor to be in start-up state all the time, thereby has reduced motor temperature's monitoring cost.
Optionally, be provided with cooling portion on the motor body, be provided with the water portion of changing on the cooling portion, cooling portion includes: the water tank is fixedly arranged below the motor body; the water inlet pipe is communicated with the water tank, and a water source is arranged at one end of the water inlet pipe, which is far away from the water tank; the water feeding valve is arranged in the water tank and is matched with the water inlet pipe for use; the drain pipe is communicated with the water tank; and the overflow valve is arranged on the drain pipe, and the water changing part is used for adjusting the water pressure in the water tank.
Through adopting above-mentioned technical scheme, when motor temperature is higher, trade water portion with the water pressure increase in the water tank for water in the water tank passes through the drain pipe and discharges, and the water level in the water tank reduces this moment, and external water source passes through inlet tube and water feeding valve and gets into in the water tank, and the lower water of temperature of the entering water tank of being convenient for cools off the motor.
Optionally, the water changing part includes: the first magnetic plate is arranged in the water tank and divides the water tank into a mounting area and a water storage area which are isolated from each other, and the first magnetic plate is in sliding connection with the water tank; the second magnetic plate is arranged in the installation area and is opposite to the first magnetic plate, and a mutual repulsive force exists between the second magnetic plate and the first magnetic plate; the water changing expansion plate, the fixed end of the water changing expansion plate is arranged outside the water tank, the movable end of the water changing expansion plate is inserted on the side wall of the water tank, and when the movable end of the water changing expansion plate is abutted against the inner wall of the water tank, the magnetic force action between the first magnetic plate and the second magnetic plate is isolated, the transmission part is arranged on the water changing expansion plate, and the transmission part is used for adjusting the length of the water changing expansion plate; the third magnetic plate is positioned in the installation area and positioned on one side of the water changing expansion plate, which is close to the first magnetic plate, and the third magnetic plate is fixedly connected with the movable end of the water changing expansion plate, and attractive force exists between the third magnetic plate and the first magnetic plate.
Optionally, the transmission part includes: the transmission spring is arranged in the rodless cavity of the water changing expansion plate along the length direction of the water changing expansion plate, and is always in a compressed state; one end of the transmission tube is communicated with the rod cavity of the water changing expansion plate, the other end of the transmission tube is communicated with the rod cavity of the detection expansion rod, and fluid is preset in the rod cavity of the detection expansion rod, the rod cavity of the water changing expansion plate and the transmission tube.
By adopting the technical scheme, in the process of increasing the temperature inside the motor, the detection telescopic rod extends, and in the process of detecting the extension of the telescopic rod, the rod cavity of the detection telescopic rod is gradually reduced, so that fluid in the rod cavity of the detection telescopic rod enters the rod cavity of the water changing telescopic plate through the transmission pipe, and the water changing telescopic plate is contracted;
in the contraction process of the water changing expansion plate, the repulsive force between the second magnetic plate and the first magnetic plate is gradually enhanced, so that the first magnetic plate can push and squeeze water in the water tank, the water pressure in the water tank is changed, and the water in the water tank can be replaced conveniently;
after the lower water of ambient temperature gets into the water tank, can cool off the motor for motor temperature reduces, and after motor temperature reduces, detect the telescopic link shrink, trade the water expansion plate and extend under drive spring's effect this moment, make the repulsive force between first magnetic plate and the second magnetic plate reduce gradually, be convenient for the reset of first magnetic plate.
Optionally, the transmission part further includes: the transmission box is fixedly arranged in the water tank; the transmission telescopic rod is arranged in the rod cavity of the water changing telescopic plate along the length direction of the water changing telescopic plate, the movable end of the transmission telescopic rod is fixedly connected with the movable end of the water changing telescopic plate, and the fixed end of the transmission telescopic rod is fixedly connected with the fixed end of the water changing telescopic plate; one end of the connecting pipe is communicated with the inside of the transmission box, the other end of the connecting pipe is communicated with the rodless cavity of the transmission telescopic rod, and gas is preset in the connecting pipe, the transmission box and the rodless cavity of the transmission telescopic rod.
Through adopting above-mentioned technical scheme, the setting of transmission box, connecting pipe and transmission telescopic link is in order to further enlarge the flexible scope of trade the water expansion plate.
Optionally, the external detection portion further includes an alarm, the alarm is electrically connected with the controller, and when the temperature sensor reaches a preset temperature, the controller controls the alarm to send out an alarm.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a side view of an embodiment of the present application;
FIG. 3 is a cross-sectional view of an embodiment of the present application;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a cross-sectional view of an embodiment of the present application for showing an internal test cassette.
Reference numerals illustrate:
1. a motor body;
2. an inner detection unit; 21. an inner detection box; 22. detecting a telescopic rod; 23. detecting a spring; 24. a detection tube;
3. an outer detection unit; 31. a temperature sensor; 32. a control switch; 33. a controller; 34. an alarm;
4. a cooling unit; 41. a water tank; 411. an installation area; 412. a water storage area; 42. a water inlet pipe; 43. a drain pipe; 44. a water feeding valve; 45. an overflow valve;
5. a water changing part; 51. a first magnetic plate; 52. a second magnetic plate; 53. a water changing expansion plate; 54. a third magnetic plate;
6. a transmission part; 61. a transmission spring; 62. a transmission tube; 63. a transmission box; 64. a transmission telescopic rod; 65. and (5) connecting pipes.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-5.
The embodiment of the application discloses a sensing measurement and control system for monitoring motor temperature. Referring to fig. 1, a sensing measurement and control system for monitoring motor temperature includes a motor body 1, an inner detection part 2, an outer detection part 3, the inner detection part 2 includes an inner detection box 21 disposed in the motor body 1, a detection telescopic rod 22 mounted on the motor body 1, a detection spring 23 disposed in a rod cavity of the detection telescopic rod 22 along a length direction of the detection telescopic rod 22, and a detection tube 24 disposed between a rod-free cavity of the detection telescopic rod 22 and the inner detection box 21 in a communicating manner, wherein gas is preset in the inner detection box 21, the detection tube 24 and the rod-free cavity of the detection telescopic rod 22, the temperature in the inner detection box 21 is in a rising process, the detection telescopic rod 22 extends, and the temperature in the inner detection box 21 is in a falling process, and the detection telescopic rod 22 contracts.
The outer detection part 3 comprises a temperature sensor 31, a control switch 32 and a controller 33 which are all arranged outside the motor body 1, wherein the temperature sensor 31 is in a normally closed state, the control switch 32 is electrically connected with the temperature sensor 31, and the control switch 32 is used for starting the temperature sensor 31 when being extruded; in the extending process of the detection telescopic rod 22, the distance between the movable end of the detection telescopic rod 22 and the control switch 32 is gradually reduced, and when the detection telescopic rod 22 extends to a preset length, the movable end of the detection telescopic rod 22 is tightly abutted with the control switch 32; the temperature sensor 31 is electrically connected with the controller 33, the temperature sensor 31 is used for collecting temperature information of the outer surface of the motor and transmitting corresponding temperature signals, and the controller 33 is used for receiving the temperature signals and controlling the working state of the motor body 1.
The motor body 1 is provided with a cooling part 4, the cooling part 4 is provided with a water changing part 5, the cooling part 4 comprises a water tank 41, a water inlet pipe 42, a water outlet pipe 43, a water feeding valve 44 and an overflow valve 45, and the water tank 41 is fixedly arranged below the motor body 1; the water inlet pipe 42 is communicated with the water tank 41, and a water source is arranged at one end of the water inlet pipe 42 away from the water tank 41; the water feeding valve 44 is arranged in the water tank 41 and is matched with the water inlet pipe 42 for use; a drain pipe 43 is provided in communication with the water tank 41; the overflow valve 45 is installed on the drain pipe 43, and the water changing part 5 is used to adjust the water pressure in the water tank 41.
It should be noted that, the water supply valve 44 is a water supply structure used in a toilet in the prior art, for example, and therefore, a detailed description of the specific structure of the water supply valve 44 is not needed in the present application.
The water changing part 5 comprises a first magnetic plate 51, a second magnetic plate 52, a water changing telescopic plate 53 and a third magnetic plate 54, wherein the first magnetic plate 51 is vertically arranged in the water tank 41 and divides the water tank 41 into a mounting area 411 and a water storage area 412 which are isolated from each other, and the first magnetic plate 51 is in sliding connection with the water tank 41, so that the first magnetic plate 51 extrudes water in the water storage area 412 in the process of approaching the water storage area 412; the second magnetic plate 52 is arranged in the mounting area 411 and is opposite to the first magnetic plate 51, and a repulsive force exists between the second magnetic plate 52 and the first magnetic plate 51; the water changing expansion plate 53 fixed end is installed outside the water tank 41, the movable end of the water changing expansion plate 53 is inserted on the side wall of the water tank 41, and when the movable end of the water changing expansion plate 53 is abutted to the inner wall of the water tank 41, the magnetic force action between the first magnetic plate 51 and the second magnetic plate 52 is isolated, the water changing expansion plate 53 is provided with a transmission part 6, and the transmission part 6 is used for adjusting the length of the water changing expansion plate 53.
The third magnetic plate 54 is located in the installation area 411 and is located on one side of the water changing expansion plate 53, which is close to the first magnetic plate 51, the third magnetic plate 54 is fixedly connected with the movable end of the water changing expansion plate 53, and attractive force exists between the third magnetic plate 54 and the first magnetic plate 51.
It should be noted that, the sliding of the first magnetic plate 51 has a travel limit, so that interference of the first magnetic plate 51 with other features during the sliding process is avoided.
The transmission part 6 comprises a transmission spring 61 and a transmission pipe 62, wherein the transmission spring 61 is arranged in a rodless cavity of the water changing expansion plate 53 along the length direction of the water changing expansion plate 53, and the transmission spring 61 is always in a compressed state; one end of the transmission pipe 62 is communicated with the rod cavity of the water changing expansion plate 53, the other end of the transmission pipe 62 is communicated with the rod cavity of the detection expansion rod 22, and the rod cavity of the detection expansion rod 22, the rod cavity of the water changing expansion plate 53 and the transmission pipe 62 are all provided with fluid in advance. The outer detecting portion 3 further includes an alarm 34, the alarm 34 being electrically connected to the controller 33, and when the temperature sensor 31 reaches a preset temperature, the controller 33 controls the alarm 34 to sound an alarm.
The transmission part 6 further comprises a transmission box 63, a transmission telescopic rod 64 and a connecting pipe 65, wherein the transmission box 63 is fixedly arranged in the water tank 41; the transmission telescopic rod 64 is arranged in the rod cavity of the water changing telescopic plate 53 along the length direction of the water changing telescopic plate 53, the movable end of the transmission telescopic rod 64 is fixedly connected with the movable end of the water changing telescopic plate 53, and the fixed end of the transmission telescopic rod 64 is fixedly connected with the fixed end of the water changing telescopic plate 53; one end of the connecting pipe 65 is communicated with the inside of the transmission box 63, the other end of the connecting pipe is communicated with the rodless cavity of the transmission telescopic rod 64, and gases are preset in the connecting pipe 65, the transmission box 63 and the rodless cavity of the transmission telescopic rod 64.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (3)
1. A sensing measurement and control system for monitoring the temperature of a motor, comprising:
a motor body (1),
the inner detection part (2) comprises an inner detection box (21) arranged in the motor body (1), a detection telescopic rod (22) arranged on the motor body (1), a detection spring (23) arranged in a rod cavity of the detection telescopic rod (22) along the length direction of the detection telescopic rod (22) and a detection tube (24) communicated between a rodless cavity of the detection telescopic rod (22) and the inner detection box (21), wherein gas is preset in the inner detection box (21), the detection tube (24) and the rodless cavity of the detection telescopic rod (22), the gas temperature in the inner detection box (21) is increased, the detection telescopic rod (22) is extended, and the gas temperature in the inner detection box (21) is contracted in the process of reducing;
the external detection part (3) comprises a temperature sensor (31), a control switch (32) and a controller (33) which are all arranged outside the motor body (1), wherein the temperature sensor (31) is in a normally closed state, and the control switch (32) is electrically connected with the temperature sensor (31) and is used for starting the temperature sensor (31) when being extruded; in the extending process of the detection telescopic rod (22), the distance between the movable end of the detection telescopic rod (22) and the control switch (32) is gradually reduced, and when the detection telescopic rod (22) extends to a preset length, the movable end of the detection telescopic rod (22) is tightly abutted to the control switch (32); the temperature sensor (31) is electrically connected with the controller (33), the temperature sensor (31) is used for collecting temperature information of the outer surface of the motor and transmitting corresponding temperature signals, and the controller (33) is used for receiving the temperature signals and controlling the working state of the motor body (1);
the motor body (1) is provided with a cooling part (4), the cooling part (4) is provided with a water changing part (5), and the cooling part (4) comprises:
the water tank (41) is fixedly arranged below the motor body (1);
the water inlet pipe (42) is communicated with the water tank (41), and a water source is arranged at one end, far away from the water tank (41), of the water inlet pipe (42);
a water feeding valve (44) which is arranged in the water tank (41) and is matched with the water inlet pipe (42);
a drain pipe (43) which is communicated with the water tank (41);
an overflow valve (45) mounted on the drain pipe (43), the water changing part (5) being used for adjusting the water pressure in the water tank (41);
the water changing part (5) comprises:
the first magnetic plate (51) is arranged in the water tank (41) and divides the water tank (41) into an installation area (411) and a water storage area (412) which are isolated from each other, and the first magnetic plate (51) is in sliding connection with the water tank (41);
the second magnetic plate (52) is arranged in the mounting area (411) and is opposite to the first magnetic plate (51), and a mutual repulsive force exists between the second magnetic plate (52) and the first magnetic plate (51);
the water changing expansion plate (53), the fixed end of the water changing expansion plate (53) is arranged outside the water tank (41), the movable end of the water changing expansion plate (53) is inserted into the side wall of the water tank (41), when the movable end of the water changing expansion plate (53) is abutted to the inner wall of the water tank (41), the magnetic force action between the first magnetic plate (51) and the second magnetic plate (52) is isolated, the transmission part (6) is arranged on the water changing expansion plate (53), and the transmission part (6) is used for adjusting the length of the water changing expansion plate (53);
the third magnetic plate (54) is positioned in the installation area (411) and is positioned at one side of the water changing expansion plate (53) close to the first magnetic plate (51), the third magnetic plate (54) is fixedly connected with the movable end of the water changing expansion plate (53), and attractive force exists between the third magnetic plate (54) and the first magnetic plate (51);
the transmission part (6) comprises:
the transmission spring (61) is arranged in the rodless cavity of the water changing expansion plate (53) along the length direction of the water changing expansion plate (53), and the transmission spring (61) is always in a compressed state;
and one end of the transmission pipe (62) is communicated with the rod cavity of the water changing expansion plate (53), the other end of the transmission pipe is communicated with the rod cavity of the detection expansion rod (22), and fluid is preset in the rod cavity of the detection expansion rod (22), the rod cavity of the water changing expansion plate (53) and the transmission pipe (62).
2. A sensing and control system for monitoring the temperature of an electric motor according to claim 1, characterized in that the transmission (6) further comprises:
the transmission box (63) is fixedly arranged in the water tank (41);
the transmission telescopic rod (64) is arranged in the rod cavity of the water changing telescopic plate (53) along the length direction of the water changing telescopic plate (53), the movable end of the transmission telescopic rod (64) is fixedly connected with the movable end of the water changing telescopic plate (53), and the fixed end of the transmission telescopic rod (64) is fixedly connected with the fixed end of the water changing telescopic plate (53);
one end of the connecting pipe (65) is communicated with the inside of the transmission box (63), the other end of the connecting pipe is communicated with the rodless cavity of the transmission telescopic rod (64), and gas is preset in the rodless cavities of the connecting pipe (65), the transmission box (63) and the transmission telescopic rod (64).
3. A sensing and control system for monitoring the temperature of a motor according to claim 2, characterized in that the outer detecting part (3) further comprises an alarm (34), the alarm (34) being electrically connected to a controller (33), the controller (33) controlling the alarm (34) to sound an alarm when the temperature sensor (31) reaches a preset temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410058588.XA CN117590883B (en) | 2024-01-16 | 2024-01-16 | Sensing measurement and control system for monitoring motor temperature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410058588.XA CN117590883B (en) | 2024-01-16 | 2024-01-16 | Sensing measurement and control system for monitoring motor temperature |
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| CN117590883A CN117590883A (en) | 2024-02-23 |
| CN117590883B true CN117590883B (en) | 2024-03-29 |
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| CN117946769A (en) * | 2024-03-20 | 2024-04-30 | 上海电气集团国控环球工程有限公司 | Pure oxygen gasification furnace with heat recycling function |
| CN118149279B (en) * | 2024-05-13 | 2024-07-23 | 太原市第二热力有限责任公司 | State monitoring system for thermodynamic large-caliber pipeline |
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| 丁左武 ; 沈志昕 ; 梅旭 ; 屈敏 ; 郝腾飞 ; .汽车用电磁液冷缓速器控制系统设计.电子器件.2019,(第06期),264-270. * |
| 基于FPGA-PCIE的声发射信号采集系统研究;张程杰;基于FP基于FPGA-PCIE的声发射信号采集系统研究;20230115;B022-20 * |
| 汽车用电磁液冷缓速器控制系统设计;丁左武;沈志昕;梅旭;屈敏;郝腾飞;;电子器件;20191231(第06期);264-270 * |
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| CN117590883A (en) | 2024-02-23 |
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