CN211060937U

CN211060937U - Entrance guard detector

Info

Publication number: CN211060937U
Application number: CN201921955040.6U
Authority: CN
Inventors: 徐斌; 蒋叶峰; 李国强; 王法东; 茅洪昌; 武政; 赵旦
Original assignee: Shanghai Yuyuan Internet Of Things Technology Co ltd
Current assignee: Shanghai Yuyuan Internet Of Things Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-21
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to an entrance guard detector, which comprises a controller, wherein the controller is connected with an entrance guard detector, the entrance guard detector is a wireless Hall sensor, and the wireless Hall sensor is used for detecting the state of a door of a power electric meter equipment box; the controller is also connected with a wireless radio frequency module, and the wireless radio frequency module is used for sending the state of the door detected by the Hall sensor to a remote receiver; the controller is further provided with a built-in lithium battery, and the built-in lithium battery supplies power to the wireless radio frequency module. The utility model discloses can avoid the mistake to report, reduce the winding displacement simultaneously.

Description

Entrance guard detector

Technical Field

The utility model relates to a power electric meter equipment chamber door forbidden detection technology field especially relates to a forbidden detector.

Background

The problem that power users steal power energy is a problem which often occurs in power supply, current leakage detection, paper seal labels, plastic seal labels and certain mechanical keys are mostly adopted in the conventional electricity larceny prevention method for carrying out theft prevention and theft prevention monitoring, and the electricity larceny prevention methods have the defects of post management, difficulty in determining loss, difficulty in obtaining evidence and the like. Therefore, the power supply reliability index is greatly influenced, a large amount of electric quantity is lost, the resource waste is caused, and the economic benefit of an enterprise is influenced. In order to solve the problems, the prior art generally adopts an infrared correlation mode to perform entrance guard detection, but the infrared correlation mode easily generates false alarm, and the prior infrared correlation mode needs to send out a detection signal in a wired mode, so that the arrangement layout needs to be designed, and the arrangement in an electric meter box is more complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an entrance guard detector is provided, reduce the winding displacement when avoiding the wrong report.

The utility model provides a technical scheme that its technical problem adopted is: the access control detector comprises a controller, wherein the controller is connected with the access control detector, the access control detector is a wireless Hall sensor, and the wireless Hall sensor is used for detecting the state of a door of a power electric meter equipment box; the controller is also connected with a wireless radio frequency module, and the wireless radio frequency module is used for sending the state of the door detected by the Hall sensor to a remote receiver; the controller is further provided with a built-in lithium battery, and the built-in lithium battery supplies power to the wireless radio frequency module.

The wireless Hall sensor is installed on a door frame of the electric power meter equipment box in an adhesive or magnet adsorption mode.

The chip adopted by the controller is MSP430G 2211.

The RFID chip adopted by the wireless radio frequency module is AT86RF233, NRF8001, MKW41Z512, MCR20AVHM or nRF 24L 01 +.

The controller is further integrated with a JTAG downloading module, and the JTAG downloading module is used for debugging the controller.

The controller is also connected with L ED indicating module, L ED indicating module is used for showing entrance guard's detector's operating condition.

Advantageous effects

Since the technical scheme is used, compared with the prior art, the utility model, have following advantage and positive effect: the utility model discloses a wireless hall sensor is as the detecting element of door state, so can avoid the condition of misstatement to take place, adopts wireless form can reduce the winding displacement in addition for the wiring in the ammeter case is more succinct. The utility model discloses an active RFID's wireless mode transmits for RFID's receiving and dispatching data's distance is farther, thereby realizes that the omnidirectional covers reads data, thereby is more nimble. In addition, the active RFID can realize a mode of combining active sending and passive reading, so that data can be actively submitted, and the aim of automatically uploading collected data is fulfilled.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a circuit diagram of a controller according to the present invention;

fig. 3 is a circuit diagram of a radio frequency module according to the present invention;

fig. 4 is a circuit diagram of an L ED indicating module according to the present invention.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The embodiment of the utility model relates to an entrance guard detector, as shown in figure 1, comprising a controller, wherein the controller is connected with the entrance guard detector, the entrance guard detector is a wireless Hall sensor, and the wireless Hall sensor is arranged on a door frame of a power electric meter equipment box in a gluing or magnet adsorption mode and is used for detecting the state of the door of the power electric meter equipment box; the controller is also connected with a wireless radio frequency module, and the wireless radio frequency module is used for sending the state of the door detected by the Hall sensor to a remote receiver; the controller is further provided with a built-in lithium battery, and the built-in lithium battery supplies power to the wireless radio frequency module.

The utility model discloses a wireless hall sensor is as the detecting element of door state, so can avoid the condition of misstatement to take place, adopts wireless form can reduce the winding displacement in addition for the wiring in the ammeter case is more succinct. The utility model discloses built-in lithium cell consequently can adopt active RFID's wireless mode to transmit for RFID's receiving and dispatching data's distance is farther, thereby realizes that omnidirectional cover reads data, thereby is more nimble. In addition, the active RFID can realize a mode of combining active sending and passive reading, so that data can be actively submitted, and the aim of automatically uploading collected data is fulfilled.

As shown in fig. 2, the chip adopted by the controller in this embodiment is MSP430G2211, which has low power consumption, low cost and high reliability, and meets the requirements of industrial-grade temperature use environment of-40 ℃ to 85 ℃. The controller is integrated with a JTAG downloading module which is used for debugging the controller, and when the controller is used, only the No. 2 pin of the Header4 is connected with the No. 11 pin of the MSP430G2211 chip.

The RFID chip adopted by the radio frequency module in the embodiment is AT86RF233, NRF8001, MKW41Z512, MCR20AVHM or nRF 24L 01+ 01. fig. 3 shows a circuit diagram of the AT86RF233 chip, the AT86RF233 chip of Atmel company is a monolithic 2.4GHz wireless transceiver with characteristics and extremely low power consumption, the receiver sensitivity of the wireless transceiver is-101 dBm, the programmable output power is from-17 dBm to +40dBm, the working voltage is 1.8V-3.6V, the deep sleep power consumption is 0.02 uA., and the service life of the built-in lithium battery can be prolonged to more than 10 years due to the low power consumption of the chip.

Fig. 4 is a circuit diagram of a L ED indicator module, which is directly connected to two L EDs through a 3.3V voltage source, and between the voltage source and L ED, it may be directly connected to an I/O terminal of the MSP430G2211 chip, so that the MSP430G2211 chip can drive different L ED. under different working states, and the L ED indicator module can display L ED indicator lights with different colors under different working states, thereby clearly knowing the working state of the whole access detector, and facilitating observation by workers.

The working flow of the entrance guard detector in the embodiment is as follows: the wireless Hall sensor installed in the power electric meter equipment box monitors the opening and closing states of the power electric meter equipment box in real time, the wireless radio frequency module sends the opening and closing information of the circuit electric meter equipment box detected by the wireless Hall sensor to a remote signal receiver actively through wireless signals, the signal receiver analyzes the received signals and transmits the data to a remote monitoring center, and the monitoring center can control an image monitoring device near the power electric meter equipment box to monitor the signals according to real-time access control data.

Claims

1. The entrance guard detector comprises a controller, wherein the controller is connected with the entrance guard detector, and is characterized in that the entrance guard detector is a wireless Hall sensor which is used for detecting the state of a door of a power electric meter equipment box; the controller is also connected with a wireless radio frequency module, and the wireless radio frequency module is used for sending the state of the door detected by the Hall sensor to a remote receiver; the controller is further provided with a built-in lithium battery, and the built-in lithium battery supplies power to the wireless radio frequency module.

2. The door access detector according to claim 1, wherein the wireless hall sensor is mounted on a door frame of an electric meter box by gluing or magnet adsorption.

3. The door access detector of claim 1, wherein the controller is implemented with a chip MSP430G 2211.

4. The door access detector according to claim 1, wherein the RFID chip used by the RF module is AT86RF233, NRF8001, MKW41Z512, MCR20AVHM, or NRF 24L 01 +.

5. The door access detector of claim 1, wherein the controller further integrates a JTAG download module.

6. The door access detector of claim 1, wherein the controller is further coupled to an L ED indicator module, and the L ED indicator module is configured to display an operating status of the door access detector.