A new type of automatic metering auxiliary device

By designing fire-proof feeding mechanism and fire extinguishing channel in the self-calibration auxiliary device of the fuel dispenser, the risk of oil products caught fire during self-calibration is solved, and the emergency fire extinguishing function is realized, ensuring the safety and reliability of the equipment.

CN222719002UActive Publication Date: 2025-04-04ANHUI HUAPU TESTING TECH CO LTD
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Patent Information

Application Number
CN202421494937.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-04
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

During the self-calibration process of the fuel dispenser, gasoline or other oil products may catch fire due to metal friction sparks, and the residual oil products after metering are also prone to catch fire due to accidental fire sources during non-working hours.

Method used

A new type of automated metering auxiliary device was designed, including a mobile cart, a jacket box, a fire-proof feeding mechanism, a metering box, a fire extinguishing channel, a movable metering ruler and a discharge valve. The device uses a fire-proof feeding mechanism to set up a fire-extinguishing dry powder box, a pressurized fan and an exhaust nozzle in the metering box, and uses a temperature sensor and a pressurized fan to achieve emergency fire extinguishing.

Benefits of technology

It effectively prevents the risk of oil fires during the self-calibration of the tanker, and can quickly extinguish the fire in case of an accident, ensuring the safety and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222719002U_ABST
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Abstract

The utility model provides a novel automatic metering auxiliary device, comprising a mobile cart, an outer box fixedly connected to the upper surface of the mobile cart, a fireproof feeding mechanism arranged above the outer box, a metering box fixedly connected to the one side surface of the outer box, a fire extinguishing channel arranged on the inner wall of one side of the metering box, a movable metering ruler arranged on the surface of the metering box, and a discharge valve fixedly connected to the outer surface of the metering box, so as to solve the risk of fire caused by metal friction sparks of gasoline or other oil products inside the equipment when the fuel dispenser is self-calibrated, and gasoline or other oil products will still remain inside the equipment even if they are discharged after metering, and the problem of residual gasoline catching fire easily due to accidental fire source may occur during non-working hours.
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Description

Technical Field

[0001] The utility model mainly relates to the field of metering assistance, and in particular to a novel automatic metering assistance device. Background Art

[0002] The calibration of gas station is the top priority in the daily quality management of oil sales companies, because gas stations are the windows of sales companies, and they directly face the vast number of oil consumers. Consumers' recognition of the amount of oil paid directly affects the reputation and image of sales companies. The accuracy of the amount of oil paid by the gas station determines the public's perception of the oil company, and also determines the vital interests of the company. Therefore, oil sales companies regard the calibration regulations of gas station as a daily and necessary special work.

[0003] In the invention patent application with application number CN202321895264.9, application publication date 2023.12.19, and name "A self-calibration device for a fuel dispenser", there is included an oil storage tank and a detection device arranged on the oil storage tank, the detection device includes an overflow cover, a metering neck and a metering cylinder, the overflow cover and the metering cylinder are connected through the metering neck, an oil drain pipe is provided on the oil storage tank, the metering cylinder is connected to the oil storage tank, an oil inlet pipe for inserting a refueling gun is provided on the overflow cover, a first temperature sensor for detecting the muzzle temperature of the refueling gun is provided in the oil inlet pipe, a second temperature sensor for detecting the temperature in the cylinder and a third temperature sensor for detecting the ambient temperature are provided on the metering cylinder, the second temperature sensor extends into the metering cylinder, the device is connected between the metering cylinder and the overflow cover and an oil sight pipe is provided, the oil sight pipe is arranged parallel to the metering neck, a vernier caliper is arranged side by side next to the oil sight pipe, a sleeve is provided on the metering cylinder and the overflow cover, both ends of the oil sight pipe are arranged in the sleeve, and the vernier caliper is detachably arranged in the sleeve.

[0004] However, in actual use, when the self-calibration device is used to calibrate the fuel dispenser, there is a risk of metal friction sparks inside the device causing fire. Even after metering and discharge, gasoline or other oil products will still remain inside the device. During non-working hours, the residual gasoline is prone to catching fire due to an unexpected fire source. Utility Model Content

[0005] 1. Technical problems to be solved by the utility model:

[0006] The utility model provides a novel automatic metering auxiliary device, which is used to solve the problem that when the fuel dispenser is self-calibrated, there is a risk of fire caused by metal friction sparks inside the equipment for gasoline or other oil products. Even if the gasoline or other oil products are discharged after metering, there will still be residual gasoline or other oil products inside the equipment. During non-working hours, the residual gasoline is also prone to catch fire due to an unexpected fire source.

[0007] 2. Technical solution:

[0008] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is: a new type of automatic metering auxiliary device, including a mobile cart, an outer box is fixedly connected to the upper surface of the mobile cart, a fire-proof feeding mechanism is arranged above the outer box, a metering box is fixedly connected to the one side surface of the outer box, a fire extinguishing channel is arranged on the inner wall of one side of the metering box, a movable metering scale is arranged on the surface of the metering box, and a unloading valve is fixedly connected to the outer surface of the metering box.

[0009] Furthermore, the fire-proof feeding mechanism is arranged at the top and inside of the outer box, and one end of the fire-proof feeding mechanism is interconnected with the fire extinguishing channel, and the liquid outlet end of the fire-proof feeding mechanism is arranged on the upper surface of the metering box.

[0010] Furthermore, the fire-proof feeding mechanism includes a fire-extinguishing dry powder box arranged inside the outer box, a pressurizing fan is arranged on one side of the fire-extinguishing dry powder box, and a discharge nozzle is arranged on the other end of the pressurizing fan. A supporting partition is arranged on the top surface of the outer box, a peristaltic pump is arranged at the lower end of the supporting partition, a feeding pipe is arranged on the surface of the supporting partition, a temperature display panel is arranged on the surface of the supporting partition, a discharge pipe is arranged on one side surface of the peristaltic pump, and a temperature sensor is arranged at the lower end of the discharge pipe.

[0011] Furthermore, one end of the temperature sensor is interconnected with the temperature display panel, and the other end is interconnected with the pressurized fan, and the air inlet of the pressurized fan is arranged inside the fire extinguishing dry powder box.

[0012] Furthermore, the movable measuring ruler includes a glass nest fixed to the surface of the measuring box, the inner surface of the glass nest is provided with a mounting slot, the surface of the mounting slot is provided with a transparent sliding ruler, and the two side surfaces of the transparent sliding ruler are provided with sliding engaging strips.

[0013] Furthermore, the surface of the sliding ruler is provided with an observation scale, and the sliding ruler is installed on the inner surface of the glass nesting through a transparent sliding engaging strip, and the height scale on the surface of the transparent sliding ruler is observed through the glass nesting.

[0014] 3. Beneficial effects:

[0015] The utility model has a reasonable design. Before the self-calibration operation of the fuel dispenser is carried out, the same type of oil with a fixed measurement after detection and measurement is added into the metering box, and the feed pipe and the peristaltic pump discharge the oil into the metering box through the discharge pipe. At the same time, when the oil enters the metering box, the temperature of the oil is displayed on the surface of the temperature display panel through the temperature sensor. When the oil in the metering box catches fire in an unexpected situation, the temperature sensor senses the temperature rise and controls the pressurized fan to spray the dry powder in the fire extinguishing dry powder box through the discharge nozzle from the fire extinguishing channel to perform the fire extinguishing operation, thereby realizing the purpose of emergency fire extinguishing when a fire occurs.

[0016] After adding the same type of oil with a fixed measurement after detection into the metering box, observe the height of the transparent sliding ruler through the glass nesting. After the oil is discharged through the discharge valve, add and measure it through the oil gun metering box. By observing whether the oil height on the transparent sliding ruler of the fuel dispenser is consistent with that of the previous same type of oil, it can be judged whether the fuel dispenser is measuring accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the planar structure of the fire-proof feeding mechanism of this utility model;

[0019] Figure 3 It is a three-dimensional schematic diagram of the fireproof feeding mechanism of the utility model;

[0020] Figure 4 For this utility model Figure 3 Schematic diagram of A in the figure.

[0021] Reference numerals:

[0022] 1. Mobile cart; 2. Outer box; 3. Fire-proof feeding mechanism; 301. Fire-extinguishing dry powder box; 302. Pressurized fan; 303. Discharge nozzle; 304. Support partition; 305. Peristaltic pump; 306. Feed pipe; 307. Temperature display panel; 308. Discharge pipe; 309. Temperature sensor; 4. Measuring box; 5. Fire-extinguishing channel; 6. Movable measuring ruler; 601. Glass nesting; 602. Installation slot; 603. Transparent sliding ruler; 604. Sliding fitting strip; 7. Discharge valve. DETAILED DESCRIPTION

[0023] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0024] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0027] See attached Figure 1-4 , including a mobile cart 1, an outer box 2 is fixedly connected to the upper surface of the mobile cart 1, a fireproof feeding mechanism 3 is arranged above the outer box 2, a metering box 4 is fixedly connected to the one side surface of the outer box 2, a fire extinguishing channel 5 is arranged on the inner wall of one side of the metering box 4, a movable measuring ruler 6 is arranged on the surface of the metering box 4, a unloading valve 7 is fixedly connected to the outer surface of the metering box 4, the fireproof feeding mechanism 3 is arranged on the top and inside of the outer box 2, and one end of the fireproof feeding mechanism 3 is interconnected with the fire extinguishing channel 5, and the liquid outlet end of the fireproof feeding mechanism 3 is arranged on the upper surface of the metering box 4. The device avoids safety accidents caused by accidental fire during detection and metering operations and daily placement through the fireproof feeding mechanism 3.

[0028] The fire-proof feeding mechanism 3 includes a fire-extinguishing dry powder box 301 arranged inside the outer box 2, a pressurizing fan 302 is arranged on one side of the fire-extinguishing dry powder box 301, and a discharge nozzle 303 is arranged at the other end of the pressurizing fan 302. A supporting baffle 304 is arranged on the top surface of the outer box 2, a peristaltic pump 305 is arranged at the lower end of the supporting baffle 304, a feeding pipe 306 is arranged on the surface of the supporting baffle 304, and a temperature display panel 307 is arranged on the surface of the supporting baffle 304. A discharge pipe 308 is arranged on one side of the peristaltic pump 305, and a temperature sensor 309 is arranged at the lower end of the discharge pipe 308. One end of the temperature sensor 309 is interconnected with the temperature display panel 307, and the other end is interconnected with the pressurizing fan 302. The air inlet of the pressurizing fan 302 is arranged inside the fire-extinguishing dry powder box 301.

[0029] In this embodiment, before the fuel dispenser self-calibration operation is performed, the same type of oil with a fixed amount after detection and metering is added into the metering box 4, and the feed pipe 306 and the peristaltic pump 305 discharge the oil into the metering box 4 through the discharge pipe 308. At the same time, when the oil enters the metering box 4, the oil temperature is displayed on the surface of the temperature display panel 307 through the temperature sensor 309. When an unexpected situation occurs and the oil inside the metering box 4 catches fire, the temperature sensor 309 senses the temperature rise and controls the pressurized fan 302 to spray the dry powder inside the fire extinguishing dry powder box 301 through the discharge nozzle 303 from the fire extinguishing channel 5 to perform a fire extinguishing operation, thereby achieving the purpose of emergency fire extinguishing when a fire occurs.

[0030] The movable measuring ruler 6 includes a glass nest 601 fixed to the surface of the measuring box 4, the inner surface of the glass nest 601 is provided with a mounting slot 602, the surface of the mounting slot 602 is provided with a transparent sliding ruler 603, the two side surfaces of the transparent sliding ruler 603 are provided with sliding engaging strips 604, the surface of the sliding ruler 603 is provided with an observation scale, the sliding ruler 603 is installed on the inner surface of the glass nest 601 through the sliding engaging strips 604, and the height scale on the surface of the transparent sliding ruler 603 is observed through the glass nest 601.

[0031] In this embodiment, after the same type of oil with a fixed amount after detection and measurement is added into the metering box 4, the height of the transparent sliding ruler 603 is observed through the glass nest 601. After the oil is discharged through the discharge valve 7, it is filled and measured through the oil gun metering box 4. By observing whether the oil height of the same type of oil on the surface of the transparent sliding ruler 603 is consistent with that of the previous oil of the same type, it is determined whether the metering of the fuel dispenser is accurate.

[0032] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. A new type of automatic metering auxiliary device, characterized in that The invention comprises a mobile cart (1), an outer casing (2) is fixedly connected to the upper surface of the mobile cart (1), a fireproof feeding mechanism (3) is arranged above the outer casing (2), a metering box (4) is fixedly connected to the surface of one side of the outer casing (2), a fire extinguishing passage (5) is arranged on the inner wall of one side of the metering box (4), a movable metering ruler (6) is arranged on the surface of the metering box (4), and a discharge valve (7) is fixedly connected to the outer surface of the metering box (4).

2. A novel automatic metering auxiliary device according to claim 1, characterized in that: The fireproof feeding mechanism (3) is arranged at the top and inside of the outer box (2), and one end of the fireproof feeding mechanism (3) is interconnected with the fire extinguishing passage (5), and the liquid outlet end of the fireproof feeding mechanism (3) is arranged on the upper surface of the metering box (4).

3. A novel automatic metering auxiliary device according to claim 1, characterized in that: The fire-proof feeding mechanism (3) comprises a fire-extinguishing dry powder box (301) arranged inside the outer box (2); a pressurizing fan (302) is arranged on one side of the fire-extinguishing dry powder box (301); a discharge nozzle (303) is arranged on the other end of the pressurizing fan (302); a supporting baffle (304) is arranged on the top surface of the outer box (2); a peristaltic pump (305) is arranged at the lower end of the supporting baffle (304); a feeding pipe (306) is arranged on the surface of the supporting baffle (304); a temperature display panel (307) is arranged on the surface of the supporting baffle (304); a discharge pipe (308) is arranged on one side of the peristaltic pump (305); and a temperature sensor (309) is arranged at the lower end of the discharge pipe (308).

4. A novel automatic metering auxiliary device according to claim 3, characterized in that: One end of the temperature sensor (309) is interconnected with the temperature display panel (307), and the other end is interconnected with the pressurizing fan (302); the air inlet of the pressurizing fan (302) is arranged inside the fire extinguishing dry powder box (301).

5. A novel automatic metering auxiliary device according to claim 1, characterized in that: The movable measuring ruler (6) comprises a glass nest (601) fixed to the surface of the measuring box (4), the inner surface of the glass nest (601) is provided with a mounting slot (602), the surface of the mounting slot (602) is provided with a transparent sliding ruler (603), and the surfaces of both sides of the transparent sliding ruler (603) are provided with sliding engaging strips (604).

6. A novel automatic metering auxiliary device according to claim 5, characterized in that: The surface of the sliding ruler (603) is provided with an observation scale. The sliding ruler (603) is mounted on the inner surface of the glass nest (601) via a sliding engaging strip (604). The height scale on the surface of the transparent sliding ruler (603) is observed through the glass nest (601).

Citation Information

Patent Citations

  • Self-correcting device of fuel dispenser

    CN220201422U