CN210577736U

CN210577736U - Farm power consumption safety monitoring device

Info

Publication number: CN210577736U
Application number: CN201921713597.9U
Authority: CN
Inventors: 文浪; 王琪; 叶圣涛
Original assignee: Nanchang Hangkong University
Current assignee: Nanchang Hangkong University
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-05-19
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an electric safety monitoring device for farm. The device comprises a main PCB circuit board, a voltage transformer and a current transformer; the electric energy metering chip is used for measuring each electric parameter in the circuit; the main control chip is used for processing data and information in the whole system; a storage unit for storing data and information; the liquid crystal display unit is used for displaying the state parameters of the system; an input unit; the relay unit controls the response of the relay by the main controller and determines the on-off of the circuit; and an alarm unit, wherein the alarm is triggered when the main controller judges that the circuit is abnormal. The utility model has the advantages that: the device has two kinds of modes of study and work, and the study mode can study electrical apparatus number and characteristic parameter in the recording circuit, and the work mode can accurate detection monitoring circuit state. Once the circuit is abnormal, the power supply can be cut off in time, an alarm is triggered, and relevant information is recorded so that a user can conveniently overhaul relevant electric appliances, and the power utilization safety of a farm is ensured.

Description

Farm power consumption safety monitoring device

Technical Field

The utility model relates to a monitoring device technical field, concretely relates to plant power consumption safety monitoring device.

Background

Along with the development of economy in China, the income of residents is continuously improved, the consumption of meat in the diet of residents is greatly improved, and the culture scale of a farm is continuously enlarged in order to meet the requirements of people. For large-scale cultivation, the cultivation risk variable is larger and larger, and culturists have the most important power utilization safety risk which is easy to ignore in addition to the variable market risk and the complicated epidemic situation risk. Because the hidden danger of the electrical fire is hidden and difficult to detect, people often ignore the importance of the electrical safety. Therefore, once an accident occurs during electricity utilization, a serious fire disaster can be caused, which not only causes disastrous loss to the property safety of farmers, but also even causes great threat to the life safety of residents.

However, various electrical safety monitoring devices developed in China mainly aim at indoor electrical safety monitoring devices which forget to cut off power supply type electrical fire hazards in residential areas, important industrial fields, dormitories or laboratories and the like, and the protection objects are mainly human beings. However, the power utilization safety monitoring products in the farm are not common, and timely treatment measures cannot be taken once the raised animals encounter fire and other dangers. Be applied to resident's safety inspection of using electricity device in addition, most function is complicated, the module is numerous, the price is expensive like some WIFI module, bluetooth module, does not install the WIFI network in some other farms.

In conclusion, people do not pay enough attention to the electricity utilization safety of large-scale farms, and therefore, the development of devices for the situations has certain popularization and application values.

Disclosure of Invention

The utility model discloses the problem that will solve is: the power utilization safety monitoring device for the farm can detect and monitor the circuit state accurately and intelligently in real time and can cut off a main power supply of the circuit in an emergency; prevent the fire caused by other artificial or non-artificial reasons such as circuit overload, short circuit, line material aging and the like in the farm, and protect the personal and property safety of farmers.

The utility model discloses a solve the technical scheme that above-mentioned problem provided and do: a farm electricity utilization safety monitoring device comprises a main PCB, a circuit state monitoring part and a power on and power off control part, wherein the circuit state monitoring part and the power on and power off control part are integrated on the main PCB;

the circuit state monitoring part comprises a main control chip and a control chip, wherein the main control chip is used for collecting information, processing data and coordinating tasks expected to be completed by each functional module in the system; the voltage transformer converts the alternating current large voltage signal into a small voltage signal; the current transformer is used for converting a large current signal into a small current signal and inputting the small current signal as a signal of a current detection end of the electric energy metering chip; the electric energy metering chip is used for measuring electric parameters in the circuit; the liquid crystal module is used for displaying various parameter information of the circuit and information for prompting a user; the storage unit is used for storing data information of each electric appliance in the learning mode;

the power-on and power-off control part comprises a relay unit, and the relay unit controls the power utilization of the farm to be on and off according to the power-on and power-off response signal given by the main control chip.

Preferably, the circuit state monitoring part has two input signals, which are respectively a small voltage signal converted by a voltage transformer and a small current signal converted by a current transformer, and the two input signals are used for calculating and measuring circuit parameters by the electric energy metering chip.

Preferably, the device further comprises a 5V power adapter which is connected with an external power supply to supply power to the whole device.

Preferably, the voltage transformer is a current type voltage transformer, and the specification of the voltage transformer is 2mA/2 mA; the current transformer is a straight-through current transformer, and the specification of the current transformer is 5mA/5 mA.

Preferably, the main control chip is STC12 series.

Preferably, the liquid crystal module is a common 1206 type liquid crystal display module.

Preferably, the alarm device also comprises an alarm unit, wherein the alarm unit comprises an alarm horn and an alarm lamp; the alarm horn is used for giving out prompt alarm when the circuit is abnormal; the alarm lamp is used for emitting flashing alarm light when the circuit is abnormal.

Compared with the prior art, the utility model has the advantages that: the utility model discloses this have two kinds of modes of study and work, electrical apparatus number and characteristic parameter in the study mode can study the recording circuit, and the working pattern can accurate detection monitoring circuit state. Once the circuit is abnormal, the power supply can be cut off in time, an alarm is triggered, and relevant information is recorded so that a user can conveniently overhaul relevant electric appliances, and the power utilization safety of a farm is ensured; the device can detect and monitor the circuit state accurately and intelligently in real time and cut off the main power supply of the circuit in an emergency; prevent the fire caused by other artificial or non-artificial reasons such as circuit overload, short circuit, line material aging and the like in the farm, and protect the personal and property safety of farmers.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Fig. 1 is an overall hardware block diagram of the present invention.

Fig. 2 is a top view of the internal hardware of the present invention.

Fig. 3 is a front view of the whole appearance of the present invention.

The attached drawings are marked as follows: 1. a main PCB circuit board; 2. a main control chip; 3. an electric energy metering chip; 4. a voltage transformer; 5. a current transformer; 6. a liquid crystal module; 7. a storage unit; 8. a relay unit; 9. pressing a key; 10. a wiring terminal; 11. an alarm horn; 12. an alarm lamp; 13. the device is provided with a power supply plug.

Detailed Description

The following detailed description will be made with reference to the accompanying drawings and examples, so that how to implement the technical means of the present invention to solve the technical problems and achieve the technical effects can be fully understood and implemented.

The utility model discloses a concrete embodiment is shown in fig. 1 to fig. 3, a plant power consumption safety monitoring device, its characterized in that: the intelligent power supply device comprises a main PCB (printed circuit board) 1, and a circuit state monitoring part and a power on and power off control part which are integrated on the main PCB 1; the main PCB circuit board 1 is a carrier for connecting all the functional modules, and the interface circuit connected with each functional module is arranged on the main PCB circuit board and can be expanded on the main PCB circuit board if other functions are added;

the circuit state monitoring part comprises a main control chip 2 which is used for collecting information, processing data and coordinating tasks expected to be completed by each functional module in the system; the voltage transformer 4 is used for converting the alternating current large voltage signal into a small voltage signal; the current transformer 5 is used for converting a large current signal into a small current signal and inputting the small current signal as a signal of a current detection end of the electric energy metering chip 3; the electric energy metering chip 3 is mainly used for detecting parameters such as voltage effective value, current effective value, apparent power, line temperature and the like in the computing circuit; (ii) a The liquid crystal module 6 is used for displaying various parameter information of the circuit and information for prompting a user; the storage unit 7 is used for storing data information of each electric appliance in the learning mode;

the power-on and power-off control part comprises a relay unit 8, and the relay unit 8 controls the power utilization of the farm to be on and off according to the power-on and power-off response signal given by the main control chip 2.

Furthermore, the circuit state monitoring part has two input signals, which are respectively a small voltage signal converted by the voltage transformer 4 and a small current signal converted by the current transformer 5, and the two input signals are used for calculating and measuring circuit parameters by the electric energy metering chip 3.

Furthermore, the device also comprises a 5V power adapter which is connected with an external power supply to supply power to the whole device.

Further, the voltage transformer 4 is a current type voltage transformer with the specification of 2mA/2 mA; the current transformer 5 is a straight-through current transformer with the specification of 5mA/5 mA.

Further, the main control chip is STC12 series.

Further, the liquid crystal module 6 is a common 1206 type liquid crystal display module.

Further, the alarm device also comprises an alarm unit, wherein the alarm unit comprises an alarm horn 11 and an alarm lamp 12; the alarm horn 11 is used for giving out prompt alarm when the circuit is abnormal; the alarm lamp 12 is used for emitting flashing alarm light when the circuit is abnormal.

The wiring terminals beside the voltage transformer 4 are respectively connected with a zero line and a live line of a main alternating current power supply, and the wiring terminals beside the relay unit 8 are connected with an electricity utilization end of a farm; the device power plug 13 is used to provide DC5V power to the device.

The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to be changed. All changes which come within the scope of the independent claims of the invention are to be embraced within their scope.

Claims

1. The utility model provides a plant power consumption safety monitoring device which characterized in that: the intelligent power supply device comprises a main PCB (printed circuit board) (1), and a circuit state monitoring part and a power-on and power-off control part which are integrated on the main PCB (1);

the circuit state monitoring part comprises a main control chip (2) which is used for collecting information, processing data and coordinating tasks expected to be completed by each functional module in the system; the voltage transformer (4) converts the alternating current large voltage signal into a small voltage signal; the current transformer (5) is used for converting a large current signal into a small current signal and inputting the small current signal as a signal of a current detection end of the electric energy metering chip (3); the electric energy metering chip (3) is used for measuring electric parameters in the circuit; the liquid crystal module (6) is used for displaying parameter information of the circuit and information for prompting a user; the storage unit (7) is used for storing data information of each electric appliance in the learning mode;

the power-on and power-off control part comprises a relay unit (8), and the relay unit (8) controls the power utilization of the farm to be on and off according to the power-on and power-off response signal given by the main control chip (2).

2. The farm electrical safety monitoring device according to claim 1, characterized in that: the circuit state monitoring part is provided with two paths of input signals, namely a small voltage signal converted by a voltage transformer (4) and a small current signal converted by a current transformer (5), and the two paths of signals are used for calculating and measuring circuit parameters by the electric energy metering chip (3).

3. The farm electrical safety monitoring device according to claim 2, characterized in that: the device also comprises a 5V power adapter which is connected with an external power supply to supply power to the whole device.

4. The farm electrical safety monitoring device according to claim 1, characterized in that: the voltage transformer (4) is a current type voltage transformer, and the specification of the voltage transformer is 2mA/2 mA; the current transformer (5) is a straight-through current transformer, and the specification of the current transformer is 5mA/5 mA.

5. The farm electrical safety monitoring device according to claim 1, characterized in that: the main control chip (2) is STC12 series.

6. The farm electrical safety monitoring device according to claim 1, characterized in that: the liquid crystal module (6) is a common 1206-type liquid crystal display module.

7. The farm electrical safety monitoring device according to claim 1, characterized in that: the alarm device also comprises an alarm unit, wherein the alarm unit comprises an alarm horn (11) and an alarm lamp (12); the alarm horn (11) is used for giving out prompt alarm when the circuit is abnormal; the alarm lamp (12) is used for emitting flashing alarm light when the circuit is abnormal.