CN112484875A - Temperature measuring system of motor controller - Google Patents
Temperature measuring system of motor controller Download PDFInfo
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- CN112484875A CN112484875A CN202011296004.0A CN202011296004A CN112484875A CN 112484875 A CN112484875 A CN 112484875A CN 202011296004 A CN202011296004 A CN 202011296004A CN 112484875 A CN112484875 A CN 112484875A
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- controller
- temperature
- temperature measuring
- cover plate
- sensor
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- 238000009529 body temperature measurement Methods 0.000 claims abstract description 28
- 239000002826 coolant Substances 0.000 claims abstract description 17
- 239000000110 cooling liquid Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000012945 sealing adhesive Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000306 component Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/18—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/32—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using change of resonant frequency of a crystal
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
Abstract
The invention belongs to the technical field of motor monitoring, and relates to a motor controller temperature measurement system which comprises a controller, a temperature measurement system rack and a display terminal, wherein the controller is placed on the temperature measurement system rack, the controller is connected with the display terminal through a wire harness, and the controller is provided with a temperature measurement subsystem inside the controller and a radiator coolant temperature measurement subsystem, which are used for respectively monitoring the temperature of the controller and the temperature of coolant and displaying monitoring data information on the display terminal. The invention can monitor the internal temperature distribution of the motor controller and the temperatures of the cooling liquid at the inlet and the outlet of the controller cooling system under various working conditions, is suitable for different types of motor controllers, has the characteristics of easy disassembly and no damage to the original structure of the controller, and fully meets the requirements of temperature monitoring of various motor controllers at the present stage.
Description
Technical Field
The invention belongs to the technical field of motor monitoring, and relates to a temperature measuring system of a motor controller.
Background
With the rapid development of economy in China, the problems of energy and environmental protection are increasingly paid attention to people. Under the background, new energy electric vehicles are developed, and the yield and the sales volume are increased year by year, so that the new energy electric vehicles become important transportation means in daily life of people. At present, under the strong support of national policies, more and more research projects on new energy vehicles are being developed.
The motor controller is a core component of the electric automobile, and in the research of the new energy electric automobile, the motor controller is one of key research objects, plays the role of a motor brain, receives signals transmitted by a driver and accurately and effectively controls the motor. As one of automotive electronics, a motor controller has a large number of power electronic components inside. During normal operation, the power devices can accumulate a large amount of heat to cause the overall temperature of the motor controller to rise, so that the working performance of other electronic components is influenced, the controller can carry out unreasonable operation on the automobile, and finally dangerous driving of the electric automobile is caused. Therefore, the heat dissipation performance of the motor controller is considered in designing the motor controller, and a heat dissipation system is designed for the motor controller. However, due to variability of the working environment and the possibility of aging damage to the heat dissipating components. The motor controller needs a real-time monitoring system to ensure that it is below normal operating temperatures.
In the current research progress of the motor controller, the problems related to monitoring the temperature field of the motor controller are few, and a complete set of measuring system and scheme for monitoring the temperature field in the motor controller in real time is not provided.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a temperature measuring system of a motor controller, which has the following specific technical scheme.
The utility model provides a motor controller temperature measurement system, includes controller, temperature measurement system rack and display terminal, the controller is placed on temperature measurement system rack, and the display terminal is connected through the pencil to the controller, be equipped with the inside temperature measurement subsystem of controller and radiator coolant liquid temperature measurement subsystem on the controller, monitor the temperature of controller and coolant liquid respectively.
Furthermore, a top mounting hole is formed in the top of the controller, the temperature measuring subsystem in the controller comprises a specially-made cover plate, a cover plate mounting hole corresponding to the top mounting hole in position, a flange, a cover plate fixing bolt and a gasket which are fixedly mounted in a matched mode are arranged on the periphery of the specially-made cover plate, a through hole is formed in the top of the specially-made cover plate, transverse plates are arranged on two sides of the interior of the specially-made cover plate, and a temperature sensor array consisting of a plurality of stainless steel packaged type DS18B20 temperature sensors is arranged on each transverse plate; and the wire harness of the stainless steel packaged DS18B20 temperature sensor penetrates through the through hole to be connected with a display terminal, and annular handles are arranged on the edges of two sides of the outer side of the special cover plate 1.
Further, the controller lower part is equipped with the radiator, is equipped with coolant liquid on the radiator and advances, the outlet pipe, be equipped with radiator coolant liquid temperature measurement subsystem on the coolant liquid advances, the outlet pipe, radiator coolant liquid temperature measurement subsystem includes middle temperature tube, middle temperature tube advances, the delivery port is connected with the coolant liquid through clamp cooperation sealing tape, middle temperature tube middle part is equipped with the sensor socket, sensor socket department is equipped with Pt100 temperature sensor, and Pt100 temperature sensor top is equipped with the sensor fixing bolt of sensor caping and fixed sensor caping, and the fixed pencil set nut that is equipped with of one end of Pt100 temperature sensor's pencil, and the other end of pencil is connected to display terminal.
Furthermore, the temperature measurement system rack comprises a base, a fixing hand capable of being adjusted in a sliding mode is arranged on the base, a lifting and adjusting pipe sleeve supporting seat with the lower end fixed on the base is arranged between the base and the middle temperature measurement pipe, and the upper end of the pipe sleeve supporting seat abuts against the middle temperature measurement pipe.
A method for installing and using a temperature measuring system of a motor controller comprises the following steps:
the first step is as follows: arranging and fixing the stainless steel packaged DS18B20 temperature sensor on a transverse plate of a specially-made cover plate, and finishing a wire harness of the stainless steel packaged DS18B20 temperature sensor and then penetrating out of a through hole in the top of the cover plate to be connected with a display terminal;
the second step is that: adjusting the distance between fixing hands according to the specification of the controller, fixing the controller on the base, detaching an original cover plate of the controller, replacing a specially-made cover plate, and fixing by using a cover plate fixing bolt and a matched flange and a gasket;
the third step: fixing a Pt100 temperature sensor on a sensor socket of a middle temperature measuring pipe, and screwing and fixing a sensor cover top by using a sensor fixing bolt after the insertion depth of the sensor is in a proper range;
the fourth step: keeping the central lines of the middle temperature measuring pipe and the cooling liquid inlet and outlet pipes consistent, cleaning the pipe ends, winding a sealing adhesive tape, installing a hoop, fastening a hoop fixing bolt, adjusting the height of a pipe sleeve supporting seat, and further fixing the middle temperature measuring pipe on the base;
the fifth step: one end of a wire harness of the Pt100 temperature sensor is fixed through a wire harness fixing nut, and the other end of the wire harness is connected with a display terminal.
The invention has the beneficial effects that:
(1) the invention can accurately and flexibly monitor the temperature distribution condition of each part of the motor controller during working, is convenient for operators to find the abnormal state of the controller in time and avoids dangerous driving and damage of parts;
(2) the invention has wide applicability, and the temperature measuring system can be universal on various motor controllers only by connecting the flange with the cover plate of the actual controller and the cooling liquid inlet and outlet pipe diameter adapting assembly;
(3) the invention has simple and convenient installation and disassembly, does not damage the structural arrangement of the internal components of the controller, and does not cause secondary problems and the difficulty of upgrading and rearranging the controller.
Drawings
FIG. 1 is a schematic diagram of the inside structure of a temperature measurement subsystem inside a controller according to the present invention;
FIG. 2 is a schematic diagram of the outer side structure of the temperature measurement subsystem inside the controller according to the present invention;
FIG. 3 is an exploded view of the radiator coolant temperature measurement subsystem of the present invention;
FIG. 4 is a schematic view of the assembly position of the components of the present invention;
FIG. 5 is a connection diagram of the apparatus of the present invention;
in the figure, 1-special cover plate, 2-stainless steel packaged DS18B20 temperature sensor, 3-cover plate fixing bolt, 4-gasket, 5-middle temperature measuring tube, 6-clamp, 7-clamp fixing bolt, 8-clamp fixing nut, 9-Pt 100 temperature sensor, 10-sensor cover top, 11-sensor fixing bolt, 12-wiring harness fixing nut, 13-base, 14-fixing hand, 15-pipe sleeve supporting seat, 16-display terminal, 17-annular handle, 18-through hole, 19-sensor socket and 20-transverse plate.
Detailed description of the invention
In order to make the objects, technical solutions and technical effects of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
The temperature measuring system of the motor controller shown in fig. 1-5 comprises a controller, a temperature measuring system rack and a display terminal 16, wherein the controller is placed on the temperature measuring system rack, the controller is connected with the display terminal 16 through a wire harness, and the controller is provided with a temperature measuring subsystem inside the controller and a temperature measuring subsystem of cooling liquid of a radiator for respectively monitoring the temperature of the controller and the temperature of the cooling liquid.
The top of the controller is provided with a top mounting hole, the temperature measuring subsystem in the controller comprises a specially-made cover plate 1, the periphery of the specially-made cover plate 1 is provided with a cover plate mounting hole corresponding to the top mounting hole, a flange, a cover plate fixing bolt 3 and a gasket 4 which are matched and fixedly mounted, and the top of the specially-made cover plate 1 is provided with a through hole 18; transverse plates 20 are arranged on two sides of the interior of the special cover plate 1, and a temperature sensor array consisting of a plurality of stainless steel packaged DS18B20 temperature sensors 2 is arranged on the transverse plates 20; the wire harness of the stainless steel packaged DS18B20 temperature sensor 2 is directly connected with the display terminal 16 through the through hole 18, and the digital signal output by the wire harness can be directly processed by the terminal processor according to the compiling requirement without a conversion circuit and displayed through a screen; the two edges of the outer side of the special cover plate 1 are provided with annular handles 17 for facilitating the disassembly and assembly of the special cover plate 1.
The controller lower part is equipped with the radiator, is equipped with coolant liquid on the radiator and advances, the outlet pipe, be equipped with radiator coolant liquid temperature measurement subsystem on the coolant liquid advances, the outlet pipe, radiator coolant liquid temperature measurement subsystem is equipped with Pt100 temperature sensor 9 including middle temperature tube 5, and middle temperature tube 5 middle part is equipped with sensor socket 19, sensor socket 19 department is equipped with Pt100 temperature sensor 9, and Pt100 temperature sensor 9 top is equipped with sensor fixing bolt 11 of sensor caping 10 and fixed sensor caping 10, and the one end of Pt100 temperature sensor 9's pencil is fixed and is equipped with pencil fixation nut 12, and the other end of pencil is connected to display terminal 16.
The temperature measurement system rack comprises a base 13, and a fixing hand 14 capable of being adjusted in a sliding mode is arranged on the base 13, so that the fixing requirements of different types of controllers are met.
A pipe sleeve supporting seat 15 which is fixed on the base 13 at the lower end and can be adjusted in a lifting mode is arranged between the base 13 and the middle temperature measuring pipe 5, the upper end of the pipe sleeve supporting seat 15 abuts against the middle temperature measuring pipe 5, and the middle temperature measuring pipe 5 is further fixed.
When the controller works, data obtained by monitoring of the temperature measurement subsystem in the controller and the temperature measurement subsystem of the cooling liquid of the radiator are collected on the display terminal 16.
A method for installing and using a temperature measuring system of a motor controller comprises the following steps:
the first step is as follows: the DS18B20 temperature sensors 2 are arranged and fixed on the transverse plate 20 of the customized cover plate 1 according to actual requirements, and the sensor wire harness penetrates out of the through hole 18 in the top of the cover plate after being arranged and is connected with the display terminal 16.
The second step is that: adjusting the distance between the fixing hands 14 according to the specification of the actual controller, fixing the controller on the base 13, detaching the original cover plate of the controller, replacing the original cover plate with a special cover plate 1 with a temperature sensor 2, and fixing by a cover plate fixing bolt 3 and a matched flange and a gasket 4.
The third step: the Pt100 temperature sensor 9 is fixed to the sensor socket 19 of the middle temperature measuring tube 5, and after the insertion depth of the sensor 9 is secured within an appropriate range, the sensor cover 10 is fixed by the sensor fixing bolt 11.
Claims (5)
1. The utility model provides a motor controller temperature measurement system, includes controller, temperature measurement system rack and display terminal (16), its characterized in that, the controller is placed on the temperature measurement system rack, and the controller passes through pencil connection display terminal (16), be equipped with the inside temperature measurement subsystem of controller and radiator coolant liquid temperature measurement subsystem on the controller, monitor the temperature of controller and coolant liquid respectively.
2. The motor controller temperature measuring system according to claim 1, wherein a top mounting hole is formed in the top of the controller, the controller internal temperature measuring subsystem comprises a specially-made cover plate (1), a cover plate mounting hole corresponding to the top mounting hole in position is formed in the periphery of the specially-made cover plate (1), a flange, a cover plate fixing bolt (3) and a gasket (4) are matched and fixedly mounted on the periphery of the specially-made cover plate (1), a through hole (18) is formed in the top of the specially-made cover plate (1), transverse plates (20) are arranged on two sides of the interior of the specially-made cover plate (1), and a temperature sensor array consisting of a plurality of stainless steel packaged DS18B20 temperature sensors (2) is arranged on each transverse plate (; the wire harness of the stainless steel packaged DS18B20 temperature sensor (2) penetrates through the through hole (18) to be connected with the display terminal (16), and the two edges of the outer side of the special cover plate (1) are provided with annular handles (17).
3. The temperature measuring system of the motor controller according to claim 1, wherein a radiator is arranged at the lower part of the controller, a cooling liquid inlet pipe and a cooling liquid outlet pipe are arranged on the radiator, a cooling liquid temperature measuring subsystem of the radiator is arranged on the cooling liquid inlet pipe and the cooling liquid outlet pipe, the cooling liquid temperature measuring subsystem of the radiator comprises an intermediate temperature measuring pipe (5), the intermediate temperature measuring pipe (5) is connected with a cooling liquid inlet pipe and a cooling liquid outlet pipe through a clamping hoop (6) in a matching way and a sealing adhesive tape, a sensor socket (19) is arranged at the middle part of the intermediate temperature measuring pipe (5), a Pt100 temperature sensor (9) is arranged at the sensor socket (19), a sensor cover top (10) and a sensor fixing bolt (11) for fixing the sensor cover top (10) are arranged at the top of the Pt100 temperature sensor (9), a wire harness fixing nut (12) is fixedly, the other end of the wire harness is connected to a display terminal (16).
4. The temperature measuring system of a motor controller according to claim 3, wherein the temperature measuring system rack comprises a base (13), a fixing hand (14) capable of sliding adjustment is arranged on the base (13), a pipe sleeve supporting seat (15) capable of lifting adjustment and with the lower end fixed on the base is arranged between the base (13) and the middle temperature measuring pipe (5), and the upper end of the pipe sleeve supporting seat (15) abuts against the middle temperature measuring pipe (5).
5. The method for installing and using the temperature measuring system of the motor controller as claimed in claims 1-4, characterized by comprising the following steps:
the first step is as follows: arranging and fixing the stainless steel packaged DS18B20 temperature sensors (2) on a transverse plate (20) of a specially-made cover plate (1), and arranging wire harnesses of the stainless steel packaged DS18B20 temperature sensors (2) and then penetrating out of a through hole (18) in the top of the cover plate to be connected with a display terminal (16);
the second step is that: adjusting the distance between fixing hands (14) according to the specification of the controller, fixing the controller on a base (13), detaching an original cover plate of the controller, replacing a specially-made cover plate (1), and fixing the controller by using a cover plate fixing bolt (3) and a matched flange and a gasket (4);
the third step: fixing a Pt100 temperature sensor (9) on a sensor socket (19) of a middle temperature measuring tube (5), and screwing and fixing a sensor cover top (10) by using a sensor fixing bolt (11) after the insertion depth of the sensor is in a proper range;
the fourth step: keeping the central lines of the middle temperature measuring pipe (5) and the inlet pipe and the outlet pipe of the cooling liquid consistent, cleaning the pipe ends, winding a sealing adhesive tape, installing a clamp (6), fastening a clamp fixing bolt (7), adjusting the height of a pipe sleeve supporting seat (15), and further fixing the middle temperature measuring pipe (5) on a base (13);
the fifth step: one end of a wire harness of the Pt100 temperature sensor (9) is fixed (12) through a wire harness fixing nut, and the other end is connected with a display terminal (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011296004.0A CN112484875A (en) | 2020-11-18 | 2020-11-18 | Temperature measuring system of motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011296004.0A CN112484875A (en) | 2020-11-18 | 2020-11-18 | Temperature measuring system of motor controller |
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| Publication Number | Publication Date |
|---|---|
| CN112484875A true CN112484875A (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011296004.0A Pending CN112484875A (en) | 2020-11-18 | 2020-11-18 | Temperature measuring system of motor controller |
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| CN (1) | CN112484875A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745063A (en) * | 2011-04-19 | 2012-10-24 | 北京超力锐丰科技有限公司 | Electric vehicle cooling system and control algorithm thereof |
| US20140054025A1 (en) * | 2012-08-24 | 2014-02-27 | Graig E. Decarr | Programmable temperature controller for hazardous location enclosures |
| CN204279041U (en) * | 2014-11-27 | 2015-04-22 | 福建省福工动力技术有限公司 | A kind of temperature control system for motor and electric machine controller |
| CN107525603A (en) * | 2017-10-13 | 2017-12-29 | 阜新柔金密封有限公司 | Temperature monitoring system |
| US20180087977A1 (en) * | 2016-09-26 | 2018-03-29 | Eaton Corporation | Intelligent temperature monitoring system and method therfor |
| CN111696933A (en) * | 2020-06-03 | 2020-09-22 | 杭州富阳钰宝机床厂 | Intelligent controller for motor |
| CN111880094A (en) * | 2020-07-24 | 2020-11-03 | 奇瑞新能源汽车股份有限公司 | Motor cooling experiment system and electric automobile thermal management experiment system |
-
2020
- 2020-11-18 CN CN202011296004.0A patent/CN112484875A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745063A (en) * | 2011-04-19 | 2012-10-24 | 北京超力锐丰科技有限公司 | Electric vehicle cooling system and control algorithm thereof |
| US20140054025A1 (en) * | 2012-08-24 | 2014-02-27 | Graig E. Decarr | Programmable temperature controller for hazardous location enclosures |
| CN204279041U (en) * | 2014-11-27 | 2015-04-22 | 福建省福工动力技术有限公司 | A kind of temperature control system for motor and electric machine controller |
| US20180087977A1 (en) * | 2016-09-26 | 2018-03-29 | Eaton Corporation | Intelligent temperature monitoring system and method therfor |
| CN107525603A (en) * | 2017-10-13 | 2017-12-29 | 阜新柔金密封有限公司 | Temperature monitoring system |
| CN111696933A (en) * | 2020-06-03 | 2020-09-22 | 杭州富阳钰宝机床厂 | Intelligent controller for motor |
| CN111880094A (en) * | 2020-07-24 | 2020-11-03 | 奇瑞新能源汽车股份有限公司 | Motor cooling experiment system and electric automobile thermal management experiment system |
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Application publication date: 20210312 |