CN221485582U - Thermal relay calibration device - Google Patents
Thermal relay calibration device Download PDFInfo
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- CN221485582U CN221485582U CN202322928142.1U CN202322928142U CN221485582U CN 221485582 U CN221485582 U CN 221485582U CN 202322928142 U CN202322928142 U CN 202322928142U CN 221485582 U CN221485582 U CN 221485582U
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- 238000004891 communication Methods 0.000 claims abstract description 63
- 238000012795 verification Methods 0.000 claims abstract description 27
- 230000009471 action Effects 0.000 claims abstract description 23
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 238000013500 data storage Methods 0.000 claims description 9
- 238000010295 mobile communication Methods 0.000 claims description 5
- 238000004870 electrical engineering Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model discloses a thermal relay verification device, which relates to the technical field of electrical engineering, a control module and a programmable power supply; the control module comprises an industrial personal computer and a check circuit, the industrial personal computer is in communication connection with the check circuit, the check circuit is connected with the relay to be tested, the industrial personal computer outputs a control instruction to the check circuit so as to control the check circuit to collect an action signal of the thermal relay to be tested, and the check circuit sends the action signal to the industrial personal computer; the signal output end of the industrial personal computer is connected with the signal input end of the programmable power supply, the signal output end of the programmable power supply is connected with the thermal relay to be tested, and the industrial personal computer outputs a switching instruction to the programmable power supply so as to control the programmable power supply to supply power to the thermal relay to be tested. The thermal relay verification device disclosed by the utility model solves errors caused by human factors, so that the testing efficiency and the accuracy are improved, and reliable technical support is provided for the overhaul of enterprises.
Description
Technical Field
The utility model relates to the technical field of electrical engineering, in particular to a thermal relay checking device.
Background
The thermal relay is an electrical element commonly used in motor control, is a protective relay with wider application, has inverse time limit protection characteristic, and has a crucial function on overload protection of a motor in the working stability.
In the prior art, when testing and checking the thermal relay, a current generator in the thermal relay checking instrument needs to be adjusted manually to generate test current to drive the thermal relay to work, so as to observe the action time of the thermal relay and judge the state of the thermal relay.
However, the manual setting of the test current may cause misoperation, so that potential safety hazards are brought once the given current is too large and the risk of burning out equipment, and error reading data is easy to occur when the action time of the thermal relay is observed manually, so that the accuracy of thermal relay verification is affected.
Disclosure of utility model
In view of this, the utility model provides a thermal relay calibration device, which mainly aims to solve the technical problems that misoperation is likely to occur when a test current is set manually, potential safety hazards are brought by the risk of burning equipment once the given current is too large, and error reading data is likely to occur when the action time of the thermal relay is observed manually, so that the calibration accuracy of the thermal relay is affected.
In order to achieve the above object, the present utility model provides a thermal relay verification device for verifying a thermal relay to be tested, including: the control module and the program-controlled power supply;
The control module comprises an industrial personal computer and a check circuit, the industrial personal computer is in communication connection with the check circuit, the check circuit is connected with the relay to be tested, the industrial personal computer outputs a control instruction to the check circuit so as to control the check circuit to collect an action signal of the thermal relay to be tested, and the check circuit sends the action signal to the industrial personal computer;
The signal output end of the industrial personal computer is connected with the signal input end of the programmable power supply, the signal output end of the programmable power supply is connected with the thermal relay to be tested, and the industrial personal computer outputs a switching instruction to the programmable power supply so as to control the programmable power supply to supply power to the thermal relay to be tested.
In one embodiment of the present utility model, optionally, the verification circuit includes a first RS485 communication unit and a signal acquisition unit;
The industrial personal computer is in communication connection with the first RS485 communication unit through an RS485 bus, and the first RS485 communication unit is connected with the signal acquisition unit;
The first RS485 communication unit is used for sending a control instruction sent by the industrial personal computer to the signal acquisition unit and sending an action signal of the thermal relay to be detected, which is standby by the signal acquisition unit, to the industrial personal computer.
In one embodiment of the present utility model, optionally, the signal acquisition unit includes a data processor, and the data processor is provided with an I/O communication interface;
The first RS485 communication unit is connected with the data processor, and the data processor is connected with the auxiliary contact of the thermal relay to be tested through the I/O communication interface.
In one embodiment of the present utility model, optionally, the signal acquisition unit further includes a data storage circuit;
The data storage circuit is connected with the data processor and is used for storing the action signals of the thermal relay to be tested collected by the verification circuit.
In an embodiment of the present utility model, optionally, the industrial personal computer is a mobile communication device.
In one embodiment of the present utility model, optionally, the programmable power supply includes a second RS485 communication unit and a power supply output unit;
The industrial personal computer is in communication connection with the second RS485 communication unit through an RS485 bus, and the second RS485 communication unit is connected with the power supply output unit;
The second RS485 communication unit is used for sending the switch instruction sent by the industrial personal computer to the power supply output unit.
In one embodiment of the present utility model, optionally, the power supply output unit is connected to the thermal relay to be tested through a power cable.
In one embodiment of the present utility model, optionally, the power supply output unit outputs a voltage ranging from 0 to 600VAC and a current ranging from 0 to 120A.
In one embodiment of the present utility model, optionally, the control box 350x400x450 has a weight of 25KG.
According to the thermal relay calibration device provided by the utility model, the industrial personal computer outputs the control instruction to the calibration circuit, so that the calibration circuit is effectively controlled to acquire the action signal of the thermal relay to be tested, and the working state of the thermal relay can be accurately analyzed and calibrated. Errors caused by human factors are solved, so that the testing efficiency and accuracy are improved, and reliable technical support is provided for the overhaul of enterprises. In addition, the economic benefit of enterprises is also improved due to the improvement of the efficiency.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
Fig. 1 shows a schematic structural diagram of a thermal relay checking device according to an embodiment of the present utility model;
Fig. 2 shows a schematic structural diagram of a thermal relay checking device according to an embodiment of the present utility model.
Detailed Description
The utility model will be described in detail hereinafter with reference to the drawings in conjunction with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
A supervision device according to some embodiments of the present utility model is described below with reference to fig. 1 to 2.
As shown in fig. 1, an embodiment of the present utility model provides a thermal relay checking device.
In the above embodiment, the thermal relay calibration device is configured to calibrate a thermal relay to be tested, and the control module includes an industrial personal computer and a calibration circuit, where the industrial personal computer is in communication connection with the calibration circuit, and the calibration circuit is connected with the relay to be tested. During actual operation, the industrial personal computer outputs a control instruction to the checking circuit so as to control the checking circuit to collect the action signal of the thermal relay to be tested, and the checking circuit sends the action signal to the industrial personal computer. The signal output end of the industrial personal computer is connected with the signal input end of the programmable power supply, the signal output end of the programmable power supply is connected with the thermal relay to be tested, and the industrial personal computer outputs a switching instruction to the programmable power supply so as to control the programmable power supply to supply power to the thermal relay to be tested.
The program-controlled power supply provided by the embodiment of the utility model can supply power to the thermal relay to be tested according to the switch instruction of the industrial personal computer, and can ensure the controllability and the safety of power supply. In addition, the verification circuit can automatically collect and send data, errors possibly occurring in manual operation are avoided, and the verification accuracy is improved.
In one embodiment of the present utility model, as shown in fig. 2, the verification circuit optionally includes a first RS485 communication unit and a signal acquisition unit. The industrial personal computer is in communication connection with the first RS485 communication unit through an RS485 bus, and the first RS485 communication unit is connected with the signal acquisition unit. The first RS485 communication unit is used for sending a control instruction sent by the industrial personal computer to the signal acquisition unit and sending an action signal of the thermal relay to be detected, which is standby by the signal acquisition unit, to the industrial personal computer.
In the embodiment, the industrial personal computer communicates with the signal acquisition unit through the RS485 communication unit to perform bidirectional data exchange, so that the efficiency and accuracy of data transmission are improved, and the thermal relay verification is efficiently and accurately completed. The RS485 communication unit enhances the long-distance data transmission capability in the environment with more electrical noise, and improves the stability and accuracy of signals. Meanwhile, RS485 supports multipoint communication, i.e. one master device can exchange information with multiple slaves at the same time. This means that the industrial personal computer can control a plurality of devices at the same time, and only needs to add new devices to the bus during actual operation, and no extra interfaces or hardware is needed, thereby reducing the complexity and cost of system expansion.
In one embodiment of the present utility model, optionally, the signal acquisition unit includes a data processor, and the data processor is provided with an I/O communication interface. The first RS485 communication unit is connected with the data processor, and the data processor is connected with the auxiliary contact of the thermal relay to be tested through the I/O communication interface.
In the above embodiment, the data processor can process the collected auxiliary contact signals of the thermal relay in real time, so as to screen, analyze and calculate the original data, so that the industrial personal computer can further control and monitor the data. The combination of the data processor and the I/O communication interface enables the signal acquisition unit to have a modularized design, so that the assembly, maintenance and upgrading are convenient, and the cost of the whole system is reduced.
In one embodiment of the utility model, optionally, the signal acquisition unit further comprises a data storage circuit. The data storage circuit is connected with the data processor and is used for storing and checking the action signals of the thermal relay to be tested collected by the circuit.
In the embodiment, by adding the data storage circuit, the beneficial effects of data backup and safety, data analysis and tracking, convenient data inquiry, high data availability and the like are realized, and effective guarantee is provided for improving the thermal relay verification efficiency and accuracy.
In one embodiment of the present utility model, optionally, the industrial personal computer is a mobile communication device.
In the embodiment, the industrial personal computer is used as the mobile communication equipment, so that the information can be quickly received and measures can be taken when the thermal relay is abnormal, the fault processing speed is improved, and the downtime is reduced. In addition, the mobile device can conveniently share data with other devices, so that the data can be conveniently analyzed and processed, the working efficiency is improved, and the automatic control is realized.
In one embodiment of the utility model, optionally, the programmable power supply includes a second RS485 communication unit and a power output unit. The industrial personal computer is in communication connection with a second RS485 communication unit through an RS485 bus, and the second RS485 communication unit is connected with the power supply output unit. The second RS485 communication unit is used for sending a switching instruction sent by the industrial personal computer to the power supply output unit.
In the embodiment, the switch instruction sent by the industrial personal computer drives the power supply output unit to supply power to the thermal relay to be tested through the second RS485 communication unit, so that the manual operation error is reduced, and the automation degree of the system is improved. The communication connection between the industrial personal computer and the programmable power supply is realized through the RS485 bus, so that the quick response is realized, the switching instruction sent by the industrial personal computer can be rapidly transmitted to the power supply output unit, and the control speed is improved.
In one embodiment of the utility model, the power supply output unit is optionally connected to the thermal relay to be tested by means of a 3x25mm power cable.
In the above embodiment, the 3×25mm power cable has a larger wire cross-sectional area and can withstand higher current. This makes the connection suitable for the power supply requirements of various types and specifications of thermal relays and other load devices. Meanwhile, the connection mode is compatible with the existing power wiring system, and is convenient to connect with the existing equipment. The power cable is used as a transmission medium between the power supply output unit and the thermal relay to be tested, so that stable transmission of a power supply can be effectively ensured. Therefore, stable power supply of the thermal relay to be tested in the working process can be ensured, and normal operation of the thermal relay to be tested is ensured. In addition, the power cable has higher insulating property, can effectively isolate the circuit between the power supply and the thermal relay to be tested, and reduces the risks of circuit faults and short circuits. Therefore, the safety of power supply can be improved, the potential danger to equipment and personnel is reduced, and the safety of the equipment and the personnel is protected.
In one embodiment of the utility model, optionally, the power supply output unit outputs a voltage ranging from 0 to 600VAC and a current ranging from 0 to 120A, and can output both single-phase and three-phase, the programmable power supply has a volume of 250x500x450, a weight of less than 50KG, and a weight of about 45KG.
In the above embodiments, such a wide output voltage and current range enables the power supply output unit to meet the test requirements of various types of thermal relays and other load devices, with wide applicability and versatility. Meanwhile, under various voltage and current levels, proper output parameters can be quickly selected and configured, and the efficiency and convenience of the testing process are improved. Compared with similar products, the portable electric power generator is easier to carry and transport, and is convenient for engineers to debug and maintain on site.
In one embodiment of the utility model, the industrial personal computer and the verification circuitry are optionally integrated within the control box.
In the embodiment, the industrial personal computer and the verification circuit are integrated in the control box, so that the effects of space optimization, system stability improvement, maintenance cost reduction, system protection enhancement and production efficiency improvement can be achieved.
In one embodiment of the present utility model, the control box 350x400x450, optionally, weighs 25KG.
In the above embodiments, the control box of this size and weight provides stability, facilitates portability and installation, and has a suitable space to accommodate the required equipment, all facilitating an optimal use experience and improved work efficiency.
On the other hand, the embodiment of the utility model provides a thermal relay checking device, which comprises a control module and a programmable power supply; the control module comprises an industrial personal computer and a checking circuit, wherein the industrial personal computer and the checking circuit are integrated in a control box, the control box is 350x400x450, and the weight is 25KG; the industrial personal computer is mobile communication equipment; the industrial personal computer is in communication connection with the checking circuit, the checking circuit is connected with the relay to be tested, the industrial personal computer outputs a control instruction to the checking circuit so as to control the checking circuit to collect the action signal of the thermal relay to be tested, and the checking circuit sends the action signal to the industrial personal computer. In practice, the verification circuit comprises a first RS485 communication unit and a signal acquisition unit; the industrial personal computer is in communication connection with the first RS485 communication unit through an RS485 bus, and the first RS485 communication unit is connected with the signal acquisition unit; the first RS485 communication unit is used for sending a control instruction sent by the industrial personal computer to the signal acquisition unit and sending an action signal of the thermal relay to be detected, which is standby by the signal acquisition unit, to the industrial personal computer. The signal acquisition unit comprises a data processor, and an I/O communication interface is arranged on the data processor; the first RS485 communication unit is connected with the data processor, and the data processor is connected with an auxiliary contact of the thermal relay to be tested through the I/O communication interface; the signal acquisition unit also comprises a data storage circuit; the data storage circuit is connected with the data processor and is used for storing and checking the action signals of the thermal relay to be tested collected by the circuit. The signal output end of the industrial personal computer is connected with the signal input end of the programmable power supply, the signal output end of the programmable power supply is connected with the thermal relay to be tested, and the industrial personal computer outputs a switching instruction to the programmable power supply so as to control the programmable power supply to supply power to the thermal relay to be tested; in practice, the programmable power supply comprises a second RS485 communication unit and a power supply output unit; the industrial personal computer is in communication connection with a second RS485 communication unit through an RS485 bus, and the second RS485 communication unit is connected with the power supply output unit; the second RS485 communication unit is used for sending a switching instruction sent by the industrial personal computer to the power supply output unit. The power supply output unit is connected with the thermal relay to be tested through a 3x25mm power cable. The output voltage range of the power supply output unit is 0-600 VAC, and the current range is 0-120A. The single-phase output and the three-phase output can be realized, the volume of the programmable power supply is 250x500x450, the weight is less than 50KG, and the weight can be about 45KG. The device outputs a control instruction to the checking circuit through the industrial personal computer, effectively controls the checking circuit to collect the action signal of the thermal relay to be detected, and can accurately analyze and check the working state of the thermal relay. Errors caused by human factors are solved, so that the testing efficiency and accuracy are improved, and reliable technical support is provided for the overhaul of enterprises. In addition, the economic benefit of enterprises is also improved due to the improvement of the efficiency.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A thermal relay verification device for verifying a thermal relay to be tested, comprising: the control module and the program-controlled power supply;
The control module comprises an industrial personal computer and a check circuit, the industrial personal computer is in communication connection with the check circuit, the check circuit is connected with the relay to be tested, the industrial personal computer outputs a control instruction to the check circuit so as to control the check circuit to collect an action signal of the thermal relay to be tested, and the check circuit sends the action signal to the industrial personal computer;
The signal output end of the industrial personal computer is connected with the signal input end of the programmable power supply, the signal output end of the programmable power supply is connected with the thermal relay to be tested, and the industrial personal computer outputs a switching instruction to the programmable power supply so as to control the programmable power supply to supply power to the thermal relay to be tested.
2. The thermal relay verification device of claim 1, wherein the verification circuit comprises a first RS485 communication unit and a signal acquisition unit;
The industrial personal computer is in communication connection with the first RS485 communication unit through an RS485 bus, and the first RS485 communication unit is connected with the signal acquisition unit;
The first RS485 communication unit is used for sending a control instruction sent by the industrial personal computer to the signal acquisition unit and sending an action signal of the thermal relay to be detected, which is standby by the signal acquisition unit, to the industrial personal computer.
3. The thermal relay verification apparatus of claim 2, wherein said signal acquisition unit comprises a data processor, said data processor having an I/O communication interface disposed thereon;
The first RS485 communication unit is connected with the data processor, and the data processor is connected with the auxiliary contact of the thermal relay to be tested through the I/O communication interface.
4. A thermal relay verification apparatus according to claim 3, wherein said signal acquisition unit further comprises a data storage circuit;
The data storage circuit is connected with the data processor and is used for storing the action signals of the thermal relay to be tested collected by the verification circuit.
5. The thermal relay verification apparatus of claim 1, wherein said industrial personal computer is a mobile communication device.
6. The thermal relay verification apparatus of claim 1, wherein the programmable power supply comprises a second RS485 communication unit and a power supply output unit;
The industrial personal computer is in communication connection with the second RS485 communication unit through an RS485 bus, and the second RS485 communication unit is connected with the power supply output unit;
The second RS485 communication unit is used for sending the switch instruction sent by the industrial personal computer to the power supply output unit.
7. The thermal relay verification device of claim 6, wherein the power output unit is connected to the thermal relay under test via a power cable.
8. The thermal relay verification apparatus of claim 6, wherein said power supply output unit outputs a voltage in the range of 0 to 600VAC and a current in the range of 0 to 120A.
9. The thermal relay verification apparatus of claim 1, wherein said industrial personal computer and said verification circuitry are integrated within a control box.
10. The thermal relay verification apparatus of claim 9, wherein said control box 350x400x450 has a weight of 25KG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322928142.1U CN221485582U (en) | 2023-10-30 | 2023-10-30 | Thermal relay calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322928142.1U CN221485582U (en) | 2023-10-30 | 2023-10-30 | Thermal relay calibration device |
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| Publication Number | Publication Date |
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| CN221485582U true CN221485582U (en) | 2024-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322928142.1U Active CN221485582U (en) | 2023-10-30 | 2023-10-30 | Thermal relay calibration device |
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| CN (1) | CN221485582U (en) |
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2023
- 2023-10-30 CN CN202322928142.1U patent/CN221485582U/en active Active
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