CN104902704B - A kind of reactive factor remote alarming device for abnormity - Google Patents

Abstract

The invention provides a kind of reactive factor remote alarming device for abnormity, including shell, alarm, alarm is arranged on the both sides of shell, the front portion of shell is provided with draw-in groove, the top of shell side is provided with fan, the bottom of shell opposite side is provided with air inlet, circuit board it is provided with in shell, it is provided with processor on circuit boards, processor and a wireless transport module connect, processor drives module to be connected with alarm by reporting to the police, the top inner wall of shell is provided with temperature sensor, temperature sensor is connected with processor, processor is connected with fan by fan-driving module.The device of the program, it is possible to achieve long-range warning, when power factor exception, electricity consumption enterprise can obtain information timely, is adjusted timely, it is simple to what enterprise produced is smoothed out.

Description

A remote alarm device for abnormal reactive power factor

technical field

The invention relates to a remote alarm device for abnormal reactive power factor used in a power grid.

Background technique

In the prior art, it is known that reactive power management is directly related to the safety, stability and economic operation of the power grid, and is an important measure to measure the management level of enterprises. Doing a good job in reactive power management is of great significance for accelerating the implementation of new rural electrification construction, improving the economic operation level and voltage quality of the power grid, reducing line loss, and providing high-quality, economical and reliable power supply for the construction of a new socialist countryside. Reactive power management is one of the main technical means to reduce loss and consumption of the current low-voltage power grid. Reasonable compensation for low-voltage reactive power has obvious effects on reducing power grid loss and improving power grid voltage quality. Reconnection of low-voltage reactive power is a specific practice to improve the voltage quality of the power grid, reduce the loss of the power grid, and realize the fine management of the low-voltage power grid. It plays an important role in maximizing the benefits of enterprises. Once the reactive power compensation is abnormal, it will bring huge losses, but at present, there are only related line power factors in the power supply dispatching system, so once the power factor is abnormal, the staff needs to be notified step by step, which is not only a waste of time, but also unnecessary It is conducive to the timely adjustment of power-consuming enterprises, which is the shortcoming of the existing technology.

Contents of the invention

The purpose of the present invention is to provide a technical scheme of a remote alarm device for abnormal reactive power factor in view of the deficiencies in the prior art. The device of this scheme can realize remote alarm. It will get information in time and make adjustments in time to facilitate the smooth progress of enterprise production.

This scheme is realized through the following technical measures: a remote alarm device for abnormal reactive power factor, including a shell and an alarm, characterized in that: the alarm is arranged on both sides of the shell, and the front of the shell is provided with A card slot, a fan is arranged on the top of one side of the casing, an air inlet is arranged on the lower part of the other side of the casing, a circuit board is arranged inside the casing, a processor is arranged on the circuit board, and the processor and A wireless transmission module is connected, the processor is connected to the alarm through the alarm driving module, a temperature sensor is arranged on the top inner wall of the casing, the temperature sensor is connected to the processor, and the processor is driven through the fan module Connect with fan.

The alarm driving module includes a first transistor V1, the first transistor V1 is connected to the processor through a first resistor R1, the collector of the first transistor V1 is connected to +VCC through a second resistor R2, and the first transistor V1 is connected to +VCC through a second resistor R2. The emitter of the first transistor V1 is grounded through the third resistor R3, the first capacitor C1 is connected in parallel with the third resistor R3, the emitter of the second transistor V2 is connected to the collector of the first transistor V1, The collector of the second transistor V2 is grounded through the fourth resistor R4, and the second capacitor C2 is connected in parallel with the fourth resistor R4, and the base of the second transistor V2 is connected to the first transistor V1 through the fifth resistor R5. Emitter connection, the emitter of the first transistor V1 is connected to +VCC through the sixth resistor R6, the base of the third transistor V3 is connected to the emitter of the second transistor V2, and the emitter of the third transistor V3 The pole is connected to +VCC, the collector of the third transistor V3 is grounded through the seventh resistor R7 and the light-emitting diode LED, the collector of the third transistor V3 is connected to the base of the fourth transistor V4, The emitter of the fourth transistor V4 is grounded, the collector of the fourth transistor V4 is connected to +VCC through an intermediate relay KM, the intermediate relay KM is connected in parallel with the first diode D1, and the normally open contact KM-1 of the intermediate relay is connected to +VCC The alarms are connected in series with the power supply.

The fan drive module includes a fifth triode V5, the base of the fifth triode is connected to the processor through the eighth resistor R8, the emitter of the fifth triode V5 is grounded, and the collector of the fifth triode V5 The electrodes are connected to +VCC through the second relay KM2, and the normally open contact KM2-1 of the second relay is connected in series with the fan and then connected to the power supply.

The power supply is AC 220V.

The wireless communication module is a 3G wireless communication module.

A dust removal net is arranged on the inner wall of the air inlet.

A protective net is arranged outside the alarm.

The top of the shell is arc-shaped.

The beneficial effect of this scheme can be known according to the description of the above scheme. Since the alarm is arranged on both sides of the shell in this scheme, it is convenient to send an alarm sound to the surroundings; the front end of the shell is provided with a card slot, which can be used to place each The label of the alarm device, maintenance and other information cards; there is a fan on one side of the shell, which can be used to cool the inside of the shell; an air inlet is set on the corresponding side of the fan, so that the low-temperature air that enters can penetrate the entire shell, which is beneficial Cool down; the alarm driver module and the fan driver module can be used to control the alarm and the fan respectively; the temperature sensor is used to detect the temperature, and the workshop temperature of some enterprises is high, which is not conducive to the work of the device, so it is necessary to measure the temperature. Once the temperature is too high, the processor controls the operation of the fan to cool down the housing; the wireless communication module is a 3G wireless communication module, which can transmit remote information; the top of the housing is arc-shaped, which can effectively block dust. It can be seen that, compared with the prior art, the present invention has outstanding substantive features and remarkable progress, and the beneficial effects of its implementation are also obvious.

Description of drawings

Fig. 1 is a schematic structural diagram of a specific embodiment of the present invention.

Fig. 2 is an electrical block diagram of a specific embodiment of the present invention.

Fig. 3 is a circuit diagram of the alarm driving module.

FIG. 4 is a circuit diagram of the fan drive module.

In the figure, 1 is the shell, 2 is the alarm, 3 is the circuit board, 4 is the fan, 5 is the air inlet, 6 is the protective net, 7 is the card slot, 8 is the processor, 9 is the alarm driver module, 10 is the fan Drive module, 11 is a temperature sensor, 12 is a wireless communication module.

detailed description

In order to clearly illustrate the technical features of the solution, the solution will be described below through a specific implementation mode combined with the accompanying drawings.

It can be seen from the accompanying drawings that a remote alarm device for abnormal reactive power factor of this program includes a casing 1 and an alarm 2, and the alarm 2 is arranged on both sides of the casing 1, and an alarm is arranged outside the alarm. Protective net, the front portion of shell 1 is provided with draw-in groove 7, is provided with fan 4 at the top of shell 1 side, is provided with air inlet 5 at the bottom of shell 1 other side, is provided with dust removal net on the inner wall of air inlet. A circuit board 3 is arranged inside the shell 1, and a processor 8 is arranged on the circuit board 3. The processor 8 is connected to a wireless transmission module 12, and the wireless communication module is a 3G wireless communication module. The processor 8 is connected to the alarm 2 through the alarm driving module 9, and a temperature sensor 11 is arranged on the top inner wall of the housing 1, and the temperature sensor 11 is connected to the processor 8, and the processor 8 is connected to the processor 8 through a fan. The drive module 10 is connected to the fan 4, and the top of the housing is arc-shaped.

The alarm driving module 9 includes a first transistor V1, the first transistor V1 is connected to the processor through a first resistor R1, the collector of the first transistor V1 is connected to +VCC through a second resistor R2, and the first transistor V1 is connected to +VCC through a second resistor R2. The emitter of a transistor V1 is grounded through the third resistor R3, the first capacitor C1 is connected in parallel with the third resistor R3, and the emitter of the second transistor V2 is connected to the collector of the first transistor V1 , the collector of the second transistor V2 is connected to the ground through the fourth resistor R4, the second capacitor C2 is connected in parallel with the fourth resistor R4, the base of the second transistor V2 is connected to the first transistor V1 through the fifth resistor R5 The emitter of the first transistor V1 is connected to +VCC through the sixth resistor R6, the base of the third transistor V3 is connected to the emitter of the second transistor V2, and the third transistor V3 The emitter is connected to +VCC, the collector of the third transistor V3 is grounded through the seventh resistor R7 and the light-emitting diode LED, and the collector of the third transistor V3 is connected to the base of the fourth transistor V4. The emitter of the fourth transistor V4 is grounded, the collector of the fourth transistor V4 is connected to +VCC through an intermediate relay KM, the intermediate relay KM is connected in parallel with the first diode D1, and the normally open contact KM-1 of the intermediate relay is connected to +VCC The alarms are connected in series with the power supply. The power supply is AC 220V.

The fan drive module 10 includes a fifth triode V5, the base of the fifth triode is connected to the processor through the eighth resistor R8, the emitter of the fifth triode V5 is grounded, and the fifth triode V5 The collector is connected to +VCC through the second relay KM2, and the normally open contact KM2-1 of the second relay is connected in series with the fan and then connected to the power supply. The power supply is AC 220V.

Claims (7)

1. A remote alarm device for abnormal reactive power factor, comprising a shell and an alarm, characterized in that: the alarm is arranged on both sides of the shell, the front of the shell is provided with a card slot, and the top of one side of the shell A fan is provided, and an air inlet is provided on the lower part of the other side of the casing. A circuit board is arranged inside the casing, and a processor is arranged on the circuit board. The processor is connected to a wireless transmission module, and the The processor is connected to the alarm through the alarm driving module, and a temperature sensor is arranged on the top inner wall of the casing, the temperature sensor is connected to the processor, and the processor is connected to the fan through the fan driving module; The alarm driving module includes a first transistor V1, the first transistor V1 is connected to the processor through a first resistor R1, the collector of the first transistor V1 is connected to +VCC through a second resistor R2, and the first transistor V1 is connected to +VCC through a second resistor R2. The emitter of the first transistor V1 is grounded through the third resistor R3, the first capacitor C1 is connected in parallel with the third resistor R3, the emitter of the second transistor V2 is connected to the collector of the first transistor V1, The collector of the second transistor V2 is grounded through the fourth resistor R4, and the second capacitor C2 is connected in parallel with the fourth resistor R4, and the base of the second transistor V2 is connected to the first transistor V1 through the fifth resistor R5. Emitter connection, the emitter of the first transistor V1 is connected to +VCC through the sixth resistor R6, the base of the third transistor V3 is connected to the emitter of the second transistor V2, and the emitter of the third transistor V3 The pole is connected to +VCC, the collector of the third transistor V3 is grounded through the seventh resistor R7 and the light-emitting diode LED, the collector of the third transistor V3 is connected to the base of the fourth transistor V4, The emitter of the fourth transistor V4 is grounded, the collector of the fourth transistor V4 is connected to +VCC through an intermediate relay KM, the intermediate relay KM is connected in parallel with the first diode D1, and the normally open contact KM-1 of the intermediate relay is connected to +VCC The alarms are connected in series with the power supply. 2. The remote alarm device for abnormal reactive power factor according to claim 1, characterized in that: the fan drive module includes a fifth triode V5, the base of the fifth triode communicates with the processor through the eighth resistor R8 connection, the emitter of the fifth transistor V5 is grounded, the collector of the fifth transistor V5 is connected to +VCC through the second relay KM2, and the normally open contact KM2-1 of the second relay is connected in series with the fan Then connect to the power supply. 3. The remote alarm device for abnormal reactive power factor according to claim 1 or 2, characterized in that: said power supply is AC 220V. 4. The remote alarm device for abnormal reactive power factor according to claim 1, characterized in that: said wireless communication module is a 3G wireless communication module. 5. The remote alarm device for abnormal reactive power factor according to claim 1, characterized in that: a dust removal net is arranged on the inner wall of the air inlet. 6. The remote alarm device for abnormal reactive power factor according to claim 1, characterized in that: a protective net is set outside the alarm. 7. The remote alarm device for abnormal reactive power factor according to claim 1, characterized in that: the top of the housing is arc-shaped.