Automatic temperature measurement and early warning system for power equipment of transformer substation

Abstract

The utility model discloses an automatic temperature measurement and early warning system for power equipment of a transformer substation, which belongs to the technical field of temperature monitoring and early warning of the power equipment, measures the temperature of the power equipment of the transformer substation or the installation site of the power equipment of the transformer substation through a distributed architecture, realizes on-site sound-light alarm and displays alarm information through a display. Workers can be helped to realize on-site rapid inspection, timely discovery of equipment abnormity is facilitated, measures are taken to prevent equipment faults, and safe and stable operation of a power system is ensured; meanwhile, hardware equipment for on-line temperature measurement early warning and on-line temperature measurement cruising is provided, the on-line temperature measurement early warning function can be achieved, and workers can conduct remote on-line temperature measurement routing inspection on power equipment of the transformer substation.

Description

Technical Field

[0001] The utility model belongs to the technical field of temperature monitoring and early warning of power equipment, and particularly relates to an automatic temperature measurement and early warning system for substation power equipment. Background Technique

[0002] With the rapid development of social economy, the power demand is increasing continuously, and the power system is facing increasing operating pressure. As an important part of the power system, the safe and stable operation of the substation is crucial to the entire power system. In the substation, power equipment runs for a long time and is affected by various factors such as the thermal effect of current and equipment aging, and it is easy to have abnormal temperatures. Excessive equipment temperature may lead to a decline in equipment performance, and even cause equipment failures, which will seriously affect the normal operation of the entire power system in severe cases. Therefore, it is of great significance to measure the temperature of substation power equipment in real time and give early warnings.

[0003] At present, the temperature measurement of power equipment mainly adopts the method of manual inspection, which has the following problems: 1) The inspection efficiency is low and real-time monitoring cannot be achieved; 2) It is greatly affected by human factors and the accuracy is not high; 3) There are safety risks during the inspection process.

[0004] To solve the above problems, it is necessary to study an automatic temperature measurement and early warning system for substation power equipment to realize real-time monitoring, early warning and analysis of the temperature of power equipment, so as to ensure the safe and stable operation of the power system. Summary of the Invention

[0005] The utility model provides an automatic temperature measurement and early warning system for substation power equipment to solve the problems existing in the prior art through manual inspection.

[0006] An automatic temperature measurement and early warning system for substation power equipment includes: a plurality of wireless temperature measurement and alarm devices, a wireless gateway, a base station, a server, and a plurality of remote terminal devices;

[0007] A plurality of the wireless temperature measurement and alarm devices are arranged on the substation power equipment or in the surrounding environment of the substation power equipment, and each of the wireless temperature measurement and alarm devices is wirelessly communicatively connected to the wireless gateway. The base station is communicatively connected to the server, and a plurality of the remote terminal devices are wirelessly communicatively connected to the server. The remote terminal devices are set as the mobile terminals or mobile devices of the staff to form a temperature measurement and early warning system combining on-site and online.

[0008] Further, the wireless temperature measurement and alarm device includes a temperature measurement module, a clock module, a reset module, an acoustic-optic alarm module, a wireless alarm module, a display alarm module, and a control module;

[0009] The temperature measurement module, clock module, reset module, acoustic-optic alarm module, wireless alarm module, and display alarm module are all electrically connected to the control module.

[0010] Furthermore, the wireless temperature measurement and alarm device further includes a power supply module, and the power supply module provides operating voltages for the temperature measurement module, clock module, reset module, acoustic-optic alarm module, wireless alarm module, display alarm module, and control module respectively.

[0011] Furthermore, the control module includes a main control chip U1 of model AT89S52, and the clock module, reset module, acoustic-optic alarm module, wireless alarm module, and display alarm module are all electrically connected to the main control chip U1.

[0012] Furthermore, the display alarm module includes a display U2 of model LCD1602, and the data transmission interface of the display U2 is electrically connected to the first IO interface of the main control chip U1.

[0013] Furthermore, the wireless alarm module includes a wireless communication module U3 of model NRF24L01, and the data transmission interface of the wireless communication module U3 is electrically connected to the second IO interface of the main control chip U1;

[0014] The wireless temperature measurement and alarm device is wirelessly communicatively connected to a wireless gateway through the wireless communication module U3.

[0015] Furthermore, the temperature measurement module includes a temperature measurement module U4 of model AD7416, and the data transmission interface of the temperature measurement module U4 is electrically connected to the third IO interface of the main control chip U1.

[0016] Furthermore, the acoustic-optic alarm module includes a light-emitting diode LED, a buzzer BZ, and a driving circuit;

[0017] The input end of the driving circuit is electrically connected to the fourth IO interface of the main control chip U1, and the output end of the driving circuit is electrically connected to the light-emitting diode LED and the buzzer BZ respectively.

[0018] An automatic temperature measurement and early warning system for substation electrical equipment provided by the present utility model measures the temperature of substation electrical equipment or the installation site of substation electrical equipment through a distributed architecture, and realizes on-site acoustic-optic alarm and displays alarm information through a display, which can help staff to conduct on-site rapid inspections, contribute to timely discovery of equipment abnormalities, take measures to prevent equipment failures, and ensure the safe and stable operation of the power system; at the same time, it provides hardware equipment for online temperature measurement and early warning and online temperature measurement cruise, which can not only realize the function of online temperature measurement and early warning, but also enable staff to remotely and online measure and inspect substation electrical equipment. Brief Description of the Drawings

[0019] The accompanying drawings here are incorporated into and form a part of this specification, showing embodiments in accordance with the present utility model, and are used together with the specification to explain the principles of the present utility model.

[0020] Figure 1 It is a schematic structural diagram of an automatic temperature measurement and early warning system for substation power equipment provided by the present utility model.

[0021] Figure 2 It is a circuit topology block diagram of a wireless temperature measurement and alarm device provided by the present utility model.

[0022] Figure 3 It is a circuit diagram of a clock module, a reset module and a control module provided by the present utility model.

[0023] Figure 4 It is a circuit diagram of a display and alarm module provided by the present utility model.

[0024] Figure 5 It is a circuit diagram of a wireless alarm module provided by the present utility model.

[0025] Figure 6 It is a circuit diagram of a temperature measurement module provided by the present utility model.

[0026] Figure 7 It is a circuit diagram of an acoustic-optic alarm module provided by the present utility model.

[0027] Among them, 1 - wireless temperature measurement and alarm device, 2 - wireless gateway, 3 - base station, 4 - server, 5 - remote terminal device.

[0028] Through the above-mentioned accompanying drawings, specific embodiments of the present utility model have been shown, and there will be more detailed descriptions hereinafter. These drawings and textual descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to explain the concept of the present utility model to those skilled in the art by referring to specific embodiments. Detailed Description of the Embodiments

[0029] Here, the exemplary embodiments will be described in detail, and the examples are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present utility model. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present utility model as detailed in the appended claims.

[0030] The embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

[0031] As Figure 1As shown in the figure, the utility model provides an automatic temperature measurement and early warning system for substation power equipment, including: a plurality of wireless temperature measurement and alarm devices 1, a wireless gateway 2, a base station 3, a server 4, and a plurality of remote terminal devices 5;

[0032] A plurality of the wireless temperature measurement and alarm devices 1 are arranged on the substation power equipment or in the surrounding environment of the substation power equipment, and each of the wireless temperature measurement and alarm devices 1 is wirelessly communicatively connected to the wireless gateway 2. The base station 3 is communicatively connected to the server 4, and a plurality of the remote terminal devices 5 are all wirelessly communicatively connected to the server 4. The remote terminal devices 5 are set as the mobile terminals or mobile devices of the staff, so as to form a temperature measurement and early warning system combining on-site and online.

[0033] The automatic temperature measurement and early warning system for substation power equipment provided by the utility model measures the temperature of the substation power equipment or the installation site of the substation power equipment through a distributed architecture, and realizes on-site sound and light alarm and displays alarm information through a display, which can help the staff to quickly conduct on-site inspections, contribute to timely discovery of equipment abnormalities, take measures to prevent equipment failures, and ensure the safe and stable operation of the power system; at the same time, it provides hardware equipment for online temperature measurement and early warning and online temperature measurement cruise, which can not only realize the online temperature measurement and early warning function, but also enable the staff to remotely and online measure and inspect the substation power equipment.

[0034] It should be noted that in order to make the temperature measurement and early warning more accurate, a plurality of wireless temperature measurement and alarm devices 1 should be installed as much as possible at the parts to be monitored and around these parts, or evenly distributed in the area to be monitored, so as to make the temperature measurement more accurate.

[0035] As Figure 2 shown, the wireless temperature measurement and alarm device 1 includes a temperature measurement module, a clock module, a reset module, a sound and light alarm module, a wireless alarm module, a display alarm module, and a control module;

[0036] The temperature measurement module, the clock module, the reset module, the sound and light alarm module, the wireless alarm module, and the display alarm module are all electrically connected to the control module.

[0037] In an embodiment of the utility model, the wireless temperature measurement and alarm device 1 further includes a power supply module, and the power supply module respectively provides working voltages for the temperature measurement module, the clock module, the reset module, the sound and light alarm module, the wireless alarm module, the display alarm module, and the control module.

[0038] Optionally, the power supply module can be powered by a mobile power supply, so as to improve the installation convenience of the entire wireless temperature measurement and alarm device 1. However, the mobile power supply needs to be replaced regularly, which will increase the maintenance work. It can also be powered by a power transmission cable.

[0039] In an embodiment of the present utility model, the control module includes a main control chip U1 of model AT89S52, and the clock module, the reset module, the acoustic-optic alarm module, the wireless alarm module, and the display alarm module are all electrically connected to the main control chip U1.

[0040] This embodiment uses a single-chip microcomputer and Internet of Things technology to construct a wireless temperature measurement and alarm device 1, which can not only effectively reduce the installation and maintenance costs, but also has the advantages of low power consumption and easy installation.

[0041] As Figure 3 shown, the reset module may include a polar capacitor C1, a resistor R1, and a button K1. The RST pin of the main control chip U1 is respectively connected to one end of the resistor R1, one end of the button K1, and the negative electrode of the polar capacitor C1. The other end of the resistor R1 is grounded, and the other end of the button K1 and the positive electrode of the polar capacitor C1 are both connected to the +5V voltage. By setting the reset module, not only can the device be reset when an operation abnormality occurs, but it can also be used as a button to turn off the acoustic-optic alarm, thereby reducing the number of buttons and effectively increasing the integrity of the entire device.

[0042] The clock module may include a ground capacitor C2, a ground capacitor C3, and a crystal oscillator Y1. The XTAL1 pin of the main control chip U1 is respectively connected to the ground capacitor C3 and one end of the crystal oscillator Y1. The XTAL2 pin of the main control chip U1 is respectively connected to the ground capacitor C2 and the other end of the crystal oscillator Y1. By setting the clock module, the normal operation of the control module can be ensured.

[0043] In an embodiment of the present utility model, the display alarm module includes a display U2 of model LCD1602, and the data transmission interface of the display U2 is electrically connected to the first IO interface of the main control chip U1.

[0044] As Figure 4 shown, the data transmission interface of the display U2 may include its D0-D7 pins, RS pin, RW pin, and EN pin. The first IO interface of the main control chip U1 may include its P0.0-P0.7 pins, P2.5 pin, P2.6 pin, and P2.7 pin. The D0-D7 pins, RS pin, RW pin, and EN pin of the display U2 are respectively connected to the P0.0-P0.7 pins, P2.5 pin, P2.6 pin, and P2.7 pin of the main control chip U1 in one-to-one correspondence. By setting the display alarm module, the alarm information and alarm temperature can be displayed according to the settings of the staff, or other information can be displayed, which can improve the efficiency of the staff's on-site patrol.

[0045] In an embodiment of the present utility model, the wireless alarm module includes a wireless communication module U3 of model NRF24L01, and a data transmission interface of the wireless communication module U3 is electrically connected to a second IO interface of a main control chip U1; the wireless temperature measurement and alarm device 1 is wirelessly communicatively connected to a wireless gateway 2 through the wireless communication module U3.

[0046] As Figure 5 shown, the data transmission interface of the wireless communication module U3 may include its CSN pin, CE pin, MOSI pin, SCK pin, IRQ pin, and MISO pin, and the second IO interface of the main control chip U1 may include its P1.7 pin, P1.6 pin, P1.5 pin, P1.4 pin, P3.2 pin, and P1.3 pin, and the CSN pin, CE pin, MOSI pin, SCK pin, IRQ pin, and MISO pin of the wireless communication module U3 are respectively and correspondingly connected to the P1.7 pin, P1.6 pin, P1.5 pin, P1.4 pin, P3.2 pin, and P1.3 pin of the main control chip U1. By setting the wireless communication module U3, the wireless temperature measurement and alarm device 1 is enabled to have the ability to connect to the wireless gateway 2, so that data can be synchronized to a server, enabling staff to implement remote monitoring or early warning functions, thereby improving the safety and efficiency of temperature measurement and inspection. The setting of the distributed temperature measurement architecture can greatly improve the accuracy of temperature measurement and early warning.

[0047] In an embodiment of the present utility model, the temperature measurement module includes a temperature measurement module U4 of model AD7416, and a data transmission interface of the temperature measurement module U4 is electrically connected to a third IO interface of the main control chip U1.

[0048] As Figure 6 shown, the data transmission interface of the temperature measurement module U4 may include its SCL pin and SDA pin, and the third IO interface of the main control chip U1 may include its P2.1 pin and P2.2 pin, and the SCL pin and SDA pin of the temperature measurement module U4 are respectively and correspondingly connected to the P2.1 pin and P2.2 pin of the main control chip U1.

[0049] In an embodiment of the present utility model, the sound and light alarm module includes a light emitting diode LED, a buzzer BZ, and a driving circuit; an input end of the driving circuit is electrically connected to a fourth IO interface of the main control chip U1, and an output end of the driving circuit is respectively electrically connected to the light emitting diode LED and the buzzer BZ.

[0050] As Figure 7As shown, the drive circuit may include a resistor R2 and a triode Q1. One end of the resistor R2 is the input end of the drive circuit. The fourth IO interface of the main control chip U1 may be its P1.0 pin, and one end of the resistor R2 is connected to the P1.0 pin of the main control chip U1. The other end of the resistor R2 is connected to the base of the triode Q1. The emitter of the triode Q1 is grounded, and the collector of the triode Q1 is the output end of the drive circuit. The output end of the drive circuit is respectively connected to the negative electrode of the light-emitting diode LED and one end of the buzzer BZ. The positive electrode of the light-emitting diode LED and the other end of the buzzer BZ are both connected to the +3.3V voltage. By setting the acoustic and optical alarm module, abnormal alarm of the on-site temperature can be realized, so that the staff can timely find the location of the abnormal on-site temperature, improving the inspection efficiency and the safety of the inspection.

[0051] After considering the specification and practicing the invention disclosed herein, those skilled in the art will readily conceive of other embodiments of the present utility model. The present utility model is intended to cover any variations, uses, or adaptations of the present utility model, which follow the general principles of the present utility model and include the common general knowledge or conventional technical means in the technical field not disclosed in the present utility model. It should be understood that the present utility model is not limited to the exact structures described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present utility model is only limited by the appended claims.

Claims

1. An automatic temperature measurement and early warning system for power equipment in a substation, characterized in that: include: A plurality of wireless temperature measurement alarm devices (1), a wireless gateway (2), a base station (3), a server (4) and a plurality of remote terminal devices (5); A plurality of the wireless temperature measurement alarm devices (1) are arranged on the power equipment of the substation or in the surrounding environment of the power equipment of the substation, and each of the wireless temperature measurement alarm devices (1) is wirelessly connected to the wireless gateway (2), the base station (3) is wirelessly connected to the server (4), and a plurality of the remote terminal devices (5) are wirelessly connected to the server (4), and the remote terminal devices (5) are arranged as mobile terminals or mobile devices of staff, so as to form a temperature measurement and early warning system combining on-site and online. The wireless temperature measurement alarm device (1) comprises a temperature measurement module, a clock module, a reset module, an audible and visual alarm module, a wireless alarm module, a display alarm module and a control module; The temperature measurement module, clock module, reset module, sound and light alarm module, wireless alarm module and display alarm module are all electrically connected to the control module; The wireless temperature measurement alarm device (1) further comprises a power supply module, which provides working voltage for the temperature measurement module, the clock module, the reset module, the sound and light alarm module, the wireless alarm module, the display alarm module and the control module respectively; The control module includes a main control chip U1 of model AT89S52, and the clock module, reset module, sound and light alarm module, wireless alarm module and display alarm module are all electrically connected to the main control chip U1; The display alarm module includes a display U2 of model LCD1602, and the data transmission interface of the display U2 is electrically connected to the first IO interface of the main control chip U1; The wireless alarm module includes a wireless communication module U3 of model NRF24L01, and the data transmission interface of the wireless communication module U3 is electrically connected to the second IO interface of the main control chip U1; The wireless temperature measurement alarm device (1) is wirelessly connected to the wireless gateway (2) via the wireless communication module U3; The temperature measurement module includes a temperature measurement module U4 of model AD7416, and the data transmission interface of the temperature measurement module U4 is electrically connected to the third IO interface of the main control chip U1; The sound and light alarm module includes a light emitting diode (LED), a buzzer (BZ) and a driving circuit; The input end of the driving circuit is electrically connected to the fourth IO interface of the main control chip U1, and the output end of the driving circuit is electrically connected to the light emitting diode LED and the buzzer BZ respectively.

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