CN209878642U - Full-automatic winding temperature rise measuring instrument - Google Patents
Full-automatic winding temperature rise measuring instrument Download PDFInfo
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- CN209878642U CN209878642U CN201920531546.8U CN201920531546U CN209878642U CN 209878642 U CN209878642 U CN 209878642U CN 201920531546 U CN201920531546 U CN 201920531546U CN 209878642 U CN209878642 U CN 209878642U
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Abstract
The utility model discloses a full-automatic winding temperature rise measuring apparatu, include the box body and through the lid of screw fixed connection at the box body top, one side of box body is inlayed and is equipped with communication module, the fixed first protection box that is equipped with in top of lid, one side of box body is equipped with the power cord, another avris of box body is connected with the second protection box through the wire, the inside of box body is equipped with the main control board, resistance measurement module, alternating voltage current detection module, supply circuit control module, the inside of first protection box and the inside of second protection box are equipped with alarm module and temperature and humidity sensor module respectively. The utility model discloses can realize that full-automatic winding temperature rise is measured, but the measurement personnel pass through the host computer whole procedure of controlling, but the winding temperature rise of simultaneous measurement 8 group's passageways, small light in weight easily carries.
Description
Technical Field
The utility model relates to a measuring apparatu specifically is full-automatic winding temperature rise measuring apparatu.
Background
The most common way to measure the winding temperature rise in the current stage is as follows:
1. multimeter method: when detecting products with alternating current motors, such as an electric fan, a range hood and the like, the temperature rise of a motor winding is often measured by using a resistance method, after a sample is measured, when only one group of winding is measured, a detector needs to measure the resistance value of the motor winding by using a universal meter, the measuring method is simplest and fastest, but when a plurality of groups of windings are measured, the detector needs to measure the windings one by one, so that the condition of slow measurement exists, and the measuring result is inaccurate; its advantage does: the device is portable, easy to operate and low in price; the disadvantages are: the precision is low and the single channel is realized; is suitable for use in: measuring the resistance values of windings of single-phase and three-phase alternating current motors, dust collector motors, electronic transformers and the like;
2. direct current digital resistance tester method: compared with a universal meter, the direct current digital resistance tester has higher measurement precision, but because the single-channel measurement is adopted, the defect that the winding is measured slowly by using the universal meter still exists; its advantage does: the precision is high, and the operation is easy; the disadvantages are: is not easy to carry, has single channel and is expensive; is suitable for use in: measuring the resistance values of windings of single-phase and three-phase alternating current motors, dust collector motors, electronic transformers and the like;
3. method of measuring temperature rise with winding: the live winding temperature rise measuring instrument can test the winding temperature rise under the live condition, after a detector sets relevant parameters, the live winding temperature rise measuring instrument can set the full-automatic measurement of the motor winding temperature rise according to a program, manual control is not needed in the period, and real-time measurement of two groups of channels can be realized; its advantage does: high precision, double-channel, charged detection; the disadvantages are: large volume, complex operation and high price; is suitable for use in: the device is suitable for online temperature rise measurement of single-phase and three-phase alternating current motors, dust collector motors, electronic transformers and other live windings.
The problems that the universal meter is inaccurate in measuring the winding temperature rise, the universal meter and the direct-current digital resistance tester are few in measuring channel, and the live winding temperature rise measuring instrument is not portable exist, and therefore the full-automatic winding temperature rise measuring instrument is provided.
SUMMERY OF THE UTILITY MODEL
For solving the defect that prior art exists, the utility model provides a full-automatic winding temperature rise measuring apparatu.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model discloses full-automatic winding temperature rise measuring apparatu, include the box body and through the lid of screw fixed connection at the box body top, one side of box body inlays and is equipped with communication module, the fixed first protection box that is equipped with in top of lid, one side of box body is equipped with the power cord, another avris of box body is connected with the second protection box through the wire, the inside of box body is equipped with master control board, resistance measurement module, alternating current voltage current detection module, supply circuit control module, power supply circuit control module, the inside of first protection box and the inside of second protection box are equipped with alarm module and temperature and humidity sensor module respectively, resistance measurement module, alternating current voltage current detection module, supply circuit control module, alarm module, temperature and humidity sensor module and communication module all are connected with the master control board.
As the preferred technical scheme of the utility model, the main control board adopts AT89C51 singlechip.
As the preferred technical scheme of the utility model, communication module adopts MAX3232 chip and DB9 interface.
As an optimal technical scheme of the utility model, temperature and humidity sensor module adopts DHT11 temperature and humidity sensor.
As the utility model discloses a preferred technical scheme, alternating voltage current detection module has 8 ways analog input.
As an optimal technical scheme of the utility model, the both sides of box body and the equal fixedly connected with in both sides of second protection box are fixed the ear.
The utility model has the advantages that: the full-automatic winding temperature rise measuring instrument can realize full-automatic winding temperature rise measurement, a tester can control a program in the whole process through an upper computer, the winding temperature rise of 8 groups of channels can be measured simultaneously, and the full-automatic winding temperature rise measuring instrument is small in size, light in weight and easy to carry.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the full-automatic winding temperature rise measuring instrument of the present invention;
FIG. 2 is a schematic view of the disassembly structure of the full-automatic winding temperature rise measuring instrument of the present invention;
FIG. 3 is a schematic diagram of a main control board of the full-automatic winding temperature rise measuring instrument of the present invention;
FIG. 4 is a schematic diagram of a communication module of the full-automatic winding temperature rise measuring instrument of the present invention;
FIG. 5 is a schematic diagram of a resistance measuring module of the full-automatic winding temperature rise measuring instrument of the present invention;
FIG. 6 is a schematic diagram of an alarm module of the full-automatic winding temperature rise measuring instrument of the present invention;
fig. 7 is a temperature and humidity sensing module of the full-automatic winding temperature rise measuring instrument of the utility model;
FIG. 8 is a schematic diagram of an AC voltage and current detecting module of the full-automatic winding temperature rise measuring instrument of the present invention;
fig. 9 is the utility model discloses full-automatic winding temperature rise measuring apparatu's supply circuit control module schematic diagram.
In the figure: 1. a power line; 2. a first protective case; 3. a second protective case; 4. a cover body; 5. a communication module; 6. a box body; 7. and fixing the ears.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the full-automatic winding temperature rise measuring instrument of the present invention comprises a box body 6 and a cover body 4 fixedly connected to the top of the box body 6 by screws, a communication module 5 is embedded in one side of the box body 6, a first protection box 2 is fixedly arranged on the top of the cover body 4, a power cord 1 is arranged on one side of the box body 6, a second protection box 3 is connected to the other side of the box body 6 by a wire, a main control board, a resistance measuring module, an alternating current voltage current detecting module, a power supply circuit control module are arranged inside the box body 6, an alarm module and a temperature and humidity sensor module are respectively arranged inside the first protection box 2 and inside the second protection box 3, the resistance measuring module, the alternating current voltage detecting module, the power supply circuit control module, the alarm module, the temperature and, the function of the alternating voltage and current detection module is as follows: monitoring the voltage, the current and the power of the sample in real time, and feeding back test data to a main control board; the function of the power supply circuit control module is as follows: controlling normal power supply and power-off operation of the sample; the function of the resistance measuring module is as follows: measuring the resistance value of the sample winding; the function of the communication module 5 is: the computer is responsible for data exchange with a computer upper computer; the main control board has the functions of: initializing the bottom layer data, and taking charge of processing and integrating various data; the alarm module has the functions of: alarming for abnormal conditions; the temperature and humidity sensor module has the following functions: and measuring the temperature and humidity of the test environment of the sample.
The main control board adopts an AT89C51 singlechip, the communication module 5 adopts an MAX3232 chip and a DB9 interface, the temperature and humidity sensor module adopts a DHT11 temperature and humidity sensor, and the alternating voltage and current detection module has 8 paths of analog quantity input.
Wherein, the both sides of box body 6 and the equal fixedly connected with fixed ear 7 in both sides of second protection box 3 pass fixed ear 7 and twist operating position through the screw, can realize fixed box body 6 or second protection box 3.
During work, after relevant parameters are set by a detection person on a computer, the whole detection work is started.
Firstly, the fixing box body 6 or the second protection box 3 can be realized by the screw passing through the fixing lug 7 and being screwed into the working position, the main control board triggers the resistance measuring module to measure and calculate the resistance value of the cold winding of the sample, the multi-path relay is used for controlling the instantaneous switching of each detection channel, so that the resistance value detection is carried out at the highest speed, the error is reduced, the accuracy is improved, meanwhile, the temperature and humidity sensing module is triggered to measure the temperature and humidity of the working environment, then the main control board calculates and integrates the received winding resistance value and the temperature and humidity value, the values are transmitted to the upper computer for storage through the communication module 5, then the main control board triggers the power supply circuit control module to supply power to the test sample, and the alternating voltage and current detection module is responsible for detecting an input circuit of the sample, monitoring the power supply condition of the sample in real time and sending information such as electric parameters to the main control board.
When the fact that a sample stops working is detected, the alarm module immediately gives an alarm, the main control board immediately triggers the power supply circuit control module to perform power-off operation, then the resistance measurement module is triggered to measure a sample winding, finally, the main control board calculates and integrates the resistance value and the temperature and humidity value of the thermal state winding, and uploads data to the upper computer through the communication module 5.
The device adopts a mode that the box body 6 integrates all modules, has small volume and light weight, and is easy to carry; the device is suitable for temperature rise measurement of the windings of motors, water pumps, compressors, low-power motors and the like for most household appliances (such as air conditioners, refrigerators, freezers, electric fans, range hoods and the like).
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Full-automatic winding temperature rise measuring apparatu, including box body (6) and lid (4) at box body (6) top through screw fixed connection, its characterized in that, one side of box body (6) is inlayed and is equipped with communication module (5), the top of lid (4) is fixed and is equipped with first protection box (2), one side of box body (6) is equipped with power cord (1), another avris of box body (6) is connected with second protection box (3) through the wire, the inside of box body (6) is equipped with master control board, resistance measurement module, alternating current voltage current detection module, supply circuit control module, the inside of first protection box (2) and the inside of second protection box (3) are equipped with alarm module and temperature and humidity sensor module respectively, resistance measurement module, alternating current voltage current detection module, supply circuit control module, The alarm module, the temperature and humidity sensor module and the communication module (5) are all connected with the main control board.
2. The full-automatic winding temperature rise measuring instrument according to claim 1, wherein the main control board adopts an AT89C51 single chip microcomputer.
3. The fully automatic winding temperature rise measuring instrument according to claim 1, wherein the communication module (5) employs a MAX3232 chip and a DB9 interface.
4. The fully-automatic winding temperature rise measuring instrument according to claim 1, wherein the temperature and humidity sensor module adopts a DHT11 temperature and humidity sensor.
5. The automatic winding temperature rise measuring instrument according to claim 1, wherein the ac voltage and current detecting module has 8 analog inputs.
6. The fully automatic winding temperature rise measuring instrument according to claim 1, wherein both sides of the box body (6) and both sides of the second protection box (3) are fixedly connected with fixing lugs (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920531546.8U CN209878642U (en) | 2019-04-18 | 2019-04-18 | Full-automatic winding temperature rise measuring instrument |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920531546.8U CN209878642U (en) | 2019-04-18 | 2019-04-18 | Full-automatic winding temperature rise measuring instrument |
Publications (1)
Publication Number | Publication Date |
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CN209878642U true CN209878642U (en) | 2019-12-31 |
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CN201920531546.8U Active CN209878642U (en) | 2019-04-18 | 2019-04-18 | Full-automatic winding temperature rise measuring instrument |
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2019
- 2019-04-18 CN CN201920531546.8U patent/CN209878642U/en active Active
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