CN215416524U

CN215416524U - Filling station's oil tank information acquisition mainboard

Info

Publication number: CN215416524U
Application number: CN202121603843.2U
Authority: CN
Inventors: 李航; 彭昊华; 武广学; 安俊超; 毛立森
Original assignee: Beidou Navigation Technology Guangzhou Co ltd
Current assignee: Beidou IOT Technology (Guangzhou) Co.,Ltd.
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-04
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a filling station oil tank information acquisition mainboard which comprises a circuit mainboard, wherein an external power supply connecting port, a pulse signal acquisition interface, a pulse signal isolation circuit, an RS232 conversion chip, an RS232 connection interface, a high-capacity built-in storage chip, an SIM (subscriber identity module) installation clamping groove, a 4G Internet of things module, a system operation indicator lamp, a clock battery and a main control CPU (central processing unit) are arranged on the circuit mainboard; the signal output end of the pulse signal acquisition interface is electrically connected with the signal input end of the pulse signal isolation circuit, and the signal output end of the RS232 connection interface is electrically connected with the signal input end of the RS232 conversion chip. The utility model can automatically collect information without data loss, has a pulse auxiliary collection circuit to ensure more accurate data, is provided with a one-key reset factory setting parameter function, and can locally store preset parameters when equipment fails.

Description

Filling station's oil tank information acquisition mainboard

Technical Field

The utility model relates to the technical field of gas stations, in particular to a gas station oil tank information acquisition mainboard.

Background

A gasoline station refers to a station for replenishing retail gasoline and engine oil, typically with added fuel oil, lubricating oil, etc., that serves automobiles and other motor vehicles. Because the petroleum commodities sold by the gas station have the characteristics of easy combustion and explosion, easy volatilization, easy leakage and easy static charge accumulation, the gas station takes 'safety' as a first criterion. The gas station is forbidden to be filled with gasoline in a carburetor and a dual barrel of an automobile, and all stations need to be flameout first when entering the station and refuel, and all dangerous goods entering the station are forbidden. The refueling data of the oil tank of the gas station are calculated simultaneously according to the refueling data such as the refueling amount, the amount of money, the sales tax amount or the tax amount to be paid, the tax data are stored in the memory, the refueling data can be used for printing invoices, and can also be used for printing tax statements to carry out tax payment declaration, and the refueling machine needs to be provided with a data acquisition system to monitor the working condition in the refueling tank in the use process

At present, the oil tank information acquisition information of a gas station mainly adopts a manual handheld instrument and one-to-one information acquisition mode, and the original mode has the following defects:

1. when information is acquired, the instrument can only acquire one-to-one information, the period is long, and the workload is large;

2. the manual collection can cause some cheating situations and can be tampered;

3. and the system cannot carry out systematic statistics, summarization and visual comparison.

SUMMERY OF THE UTILITY MODEL

The utility model provides a filling station oil tank information acquisition mainboard, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a filling station oil tank information acquisition mainboard comprises a circuit mainboard, wherein an external power supply connector, a pulse signal acquisition interface, a pulse signal isolation circuit, an RS232 conversion chip, an RS232 connection interface, a high-capacity built-in storage chip, an SIM (subscriber identity module) installation clamping groove, a 4G Internet of things module, a system operation indicator lamp, a clock battery and a main control CPU are arranged on the circuit mainboard;

the signal output end of the pulse signal acquisition interface is electrically connected with the signal input end of the pulse signal isolation circuit, the signal output end of the RS232 connection interface is electrically connected with the signal input end of the RS232 conversion chip, the signal output ends of the pulse signal isolation circuit, the RS232 conversion chip, the clock battery and the external power supply connector are electrically connected with the signal input end of the main control CPU, the 4G Internet of things module and the system operation indicator lamp are electrically connected with the signal output end of the main control CPU, and the high-capacity built-in storage chip is electrically connected with the main control CPU.

As a further improvement scheme of the technical scheme: the 4G thing networking module includes SIM card and IPEX antenna interface, the SIM card is located SIM installation draw-in groove, the electricity is connected between SIM card and the IPEX antenna interface, external GSM antenna is connected to the signal output part electricity of IPEX antenna interface.

As a further improvement scheme of the technical scheme: two fixed mounting holes which are arranged in a penetrating mode are formed in the circuit main board.

As a further improvement scheme of the technical scheme: the high-capacity built-in storage chip is a Flash storage chip.

As a further improvement scheme of the technical scheme: the circuit main board is also provided with a one-key recovery button.

As a further improvement scheme of the technical scheme: the board type of the circuit main board is FR-4.

Compared with the prior art, the utility model has the beneficial effects that:

the equipment can automatically collect information, data cannot be lost, a pulse auxiliary collection circuit is arranged, data are more accurate, a one-key reset factory-setting parameter function is arranged, and when the equipment breaks down, preset parameters can be stored locally.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

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 application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

fig. 1 is a schematic view of the operation structure of each part of a main board for collecting oil tank information of a gas station according to the present invention;

fig. 2 is a schematic structural diagram of an oil tank information acquisition main board of a gas station according to the present invention;

fig. 3 is a schematic structural diagram of a 4G internet of things module in a filling station oil tank information acquisition mainboard, which is provided by the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

the system comprises an external power supply connector 1, a pulse signal acquisition interface 2, a pulse signal isolation circuit 3, a RS232 conversion chip 4, an RS232 connection interface 5, a high-capacity built-in storage chip 6, a fixed mounting hole 7, an SIM mounting clamping groove 8, a 94G Internet of things module, a 10 system operation indicator lamp, a 11 clock battery and a 12 master control CPU.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

Referring to fig. 1 to 3, a filling station oil tank information acquisition mainboard comprises a circuit mainboard, wherein an external power supply connector 1, a pulse signal acquisition interface 2, a pulse signal isolation circuit 3, an RS232 conversion chip 4, an RS232 connection interface 5, a high-capacity built-in storage chip 6, a SIM mounting card slot 8, a 4G internet of things module 9, a system operation indicator lamp 10, a clock battery 11 and a master control CPU12 are arranged on the circuit mainboard;

the signal output part of the pulse signal acquisition interface 2 is electrically connected with the signal input part of the pulse signal isolation circuit 3, the signal output part of the RS232 connection interface 5 is electrically connected with the signal input part of the RS232 conversion chip 4, the pulse signal isolation circuit 3, the RS232 conversion chip 4, the signal output parts of the clock battery 11 and the external power supply connector 1 are electrically connected with the signal input part of the main control CPU12, the 4G Internet of things module 9 and the system operation indicator lamp 10 are electrically connected with the signal output part of the main control CPU12, the high-capacity built-in storage chip 6 and the main control CPU12 are electrically connected with each other, the device is provided with 4 system operation indicator lamps 10, and different working states of the device can be checked through the system operation indicator lamps 10.

The 4G internet of things module 9 comprises an SIM card and an IPEX antenna interface, the SIM card is positioned in an SIM installation card slot 8, the SIM card is electrically connected with the IPEX antenna interface, a signal output end of the IPEX antenna interface is electrically connected with an external GSM antenna, and the equipment adopts the external GSM antenna. The base station signal can be received omni-directionally.

Two fixing mounting holes 7 which are arranged in a penetrating mode are formed in the circuit main board, and the circuit main board can be fixed conveniently through the two fixing mounting holes 7.

Preferably, the high-capacity built-in memory chip 6 is a Flash memory chip.

Preferably, the circuit main board is further provided with a one-key recovery button, and when the user sets data to be wrong, the device is used. The equipment can be reset by one key and can continuously work according to the parameters when leaving the factory.

Preferably, the board type of the circuit main board is FR-4.

The working principle of the utility model is as follows:

the RS232 connecting interface 5 is connected with a tax control port of a gas station oil tank by adopting a three-core data wire with a shielding layer, the pulse signal collecting interface 2 is in pulse connection with an encoder of the gas station oil tank by adopting a two-core data wire with a shielding layer, and then information of the gas station oil tank can be automatically transmitted to the main control CPU12 through the RS232 connecting interface 5 and the RS232 conversion chip 4, so that automatic information collection is realized, and the pulse signal collecting interface 2 and the pulse signal isolating circuit 3 are matched for assistance, so that the accuracy of the data can be ensured, and after the information is collected, the main control CPU12 sends the data to a cloud server through a 4G Internet of things module group 9;

meanwhile, the device also comprises a storage system (a Flash storage chip is connected with the storage system, the Flash storage chip can store hundreds of thousands of pieces of collected data, when the 4G Internet of things module group 9 is abnormal in network, the collected information can be stored firstly, the 4G Internet of things module group 9 is waited for network recovery, the stored data can be uploaded to the cloud server again after the network recovery, the device adopts a handshake scheme of a local system and the cloud server, the main control CPU12 does not respond to the cloud server, the main control CPU12 judges that the data is not sent successfully, the main control CPU12 stores the data and carries out secondary report of the data, and after the data is sent successfully, the main control CPU12 deletes the stored data and prevents the same data from being reported repeatedly.

The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A filling station oil tank information acquisition mainboard is characterized by comprising a circuit mainboard, wherein an external power supply connector (1), a pulse signal acquisition interface (2), a pulse signal isolation circuit (3), an RS232 conversion chip (4), an RS232 connection interface (5), a high-capacity built-in storage chip (6), an SIM (subscriber identity module) installation clamping groove (8), a 4G Internet of things module (9), a system operation indicator lamp (10), a clock battery (11) and a master control CPU (12) are arranged on the circuit mainboard;

the signal output part of the pulse signal acquisition interface (2) is electrically connected with the signal input part of the pulse signal isolation circuit (3), the signal output part of the RS232 connection interface (5) is electrically connected with the signal input part of the RS232 conversion chip (4), the signal output parts of the pulse signal isolation circuit (3), the RS232 conversion chip (4), the clock battery (11) and the external power supply connector (1) are electrically connected with the signal input part of the master control CPU (12), the 4G Internet of things module (9) and the system operation indicator lamp (10) are electrically connected with the signal output part of the master control CPU (12), and the high-capacity built-in storage chip (6) is electrically connected with the master control CPU (12).

2. The filling station tank information acquisition mainboard of claim 1, characterized in that, 4G thing networking module (9) includes SIM card and IPEX antenna interface, the SIM card is located SIM installation draw-in groove (8), the electricity is connected between SIM card and the IPEX antenna interface, external GSM antenna is connected to the signal output part electricity of IPEX antenna interface.

3. The filling station tank information acquisition mainboard of claim 1, characterized in that, two fixed mounting holes (7) that are arranged through have been seted up on the circuit mainboard.

4. The filling station tank information acquisition mainboard of claim 1, characterized in that, the high capacity built-in storage chip (6) is a Flash storage chip.

5. The fuel tank information collecting main board of the fuel station as claimed in claim 1, wherein a one-key recovery button is further provided on the circuit main board.

6. The filling station tank information collecting main board of claim 1, wherein the board type of the circuit main board is FR-4.