WO2015043539A1 - 一种用于燃油加注机的添加剂注射装置及方法 - Google Patents

一种用于燃油加注机的添加剂注射装置及方法 Download PDF

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Publication number
WO2015043539A1
WO2015043539A1 PCT/CN2014/087837 CN2014087837W WO2015043539A1 WO 2015043539 A1 WO2015043539 A1 WO 2015043539A1 CN 2014087837 W CN2014087837 W CN 2014087837W WO 2015043539 A1 WO2015043539 A1 WO 2015043539A1
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Prior art keywords
additive
fuel
injection device
amount
controller
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PCT/CN2014/087837
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English (en)
French (fr)
Inventor
徐崇华
王佳华
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德莱赛稳加油设备(上海)有限公司
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Priority to BR112016006729A priority Critical patent/BR112016006729A2/pt
Priority to AU2014327956A priority patent/AU2014327956A1/en
Priority to EP14848743.2A priority patent/EP3050842A4/en
Publication of WO2015043539A1 publication Critical patent/WO2015043539A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/74—Devices for mixing two or more different liquids to be transferred
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/32—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
    • B67D7/3236—Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid relating to electrostatic charges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/84—Casings, cabinets or frameworks; Trolleys or like movable supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/74—Devices for mixing two or more different liquids to be transferred
    • B67D2007/745—Devices for mixing two or more different liquids to be transferred for obtaining fuel of a given octane level
    • B67D2007/748—Devices for mixing two or more different liquids to be transferred for obtaining fuel of a given octane level by mixing fuel with additives, e.g. anti-knocking agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/08—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred

Definitions

  • the present invention relates to an additive injection device, and more particularly to an additive injection device for a fuel dispenser.
  • Bottled additives are very popular on the market due to the many benefits of mixing additives in fuels.
  • mixing bottled additives into fuel is a messy process.
  • a customer wants to add an additive to a vehicle at a fuel filler, it is necessary to purchase the bottled additive and manually pour it into the vehicle's fuel tank before refueling.
  • the additive smells pungent and may spill when poured into the vehicle's fuel tank.
  • the customer also needs to determine the amount of additive needed based on the amount of fuel filled by the fuel filler.
  • the gas station is a flammable and explosive dangerous place, the injection of the additive should try to avoid any safety hazards.
  • the present invention provides an additive injection device for a fuel dispenser, the device comprising: a storage tank storing the additive; a pump connected to the storage box; a controller coupled to the pump, wherein the controller initiates injection of the additive in response to activation of a fueling at the fueling machine, terminating the additive in response to termination of fueling at the fueling machine Injection and control of the amount of additive injected into the fuel dispenser and the amount of additive that is subsequently added.
  • the apparatus further includes: a casing accommodating the storage box, the pump and the controller; and a first substrate dividing the space inside the casing into a non-hazardous area and a dangerous area
  • the non-hazardous area preferentially houses an electrical component of the additive injection device
  • the hazardous zone preferentially accommodating a non-electrical component of the additive injection device, at least one of the electrical components being located in the hazardous zone, the at least one of the hazardous zones being located in the hazardous zone
  • An electrical component has an explosion-proof characteristic.
  • the pump is a metering pump including a motor and a pump head, wherein the motor is located in the non-hazardous area, the pump head being located in the danger zone.
  • the apparatus further comprises: separating the danger into a liquid a second substrate of the nip and the empty space, wherein the non-hazardous area is located above the hazardous area, the empty space being located between the non-hazardous area and the hydraulic area.
  • the first and second substrates have a dustproof property against intrusion of solid foreign matter and a splashproof property against intrusion of harmful liquids.
  • a venting opening is formed at the casing of the air gap and the casing of the hydraulic zone.
  • the apparatus further comprising: a storage box meter connected to the controller, the storage box meter for generating a detection signal indicating an amount of the additive in the storage box, wherein, according to The detection signal determines that the amount of the additive in the storage box is outside the preset range, and generates an alarm.
  • a storage box meter connected to the controller, the storage box meter for generating a detection signal indicating an amount of the additive in the storage box, wherein, according to The detection signal determines that the amount of the additive in the storage box is outside the preset range, and generates an alarm.
  • the preset threshold is less than The lower limit of the preset range.
  • the amount of the additive for the fueling is selected from one of the following additive amounts: 1) a predetermined amount of additive; 2) a filling with the fueling
  • the amount of fuel is a preset amount of additive.
  • the present invention provides a method of injecting an additive into a fuel, the method comprising: initiating the additive by an additive injection device in response to receiving a signal indicative of fuel injection initiation from a fuel dispenser Injection; controlling, by the additive injection device, an amount of the additive injected into the fuel and being filled with the fuel; in response to receiving a signal from the fuel dispenser indicating that the fueling is terminated, The additive injection device terminates the injection of the additive.
  • the method further comprises: receiving, by the controller, a detection signal indicating the amount of the additive in the storage box from the storage box meter; determining the storage box according to the detection signal When the amount of the internal additive is outside the preset range, an alarm is generated by the controller, and when it is determined that the amount of the additive in the storage box is less than a preset threshold, the injection of the additive to the fuel is stopped by the controller, wherein the preset threshold Less than the lower limit of the preset range.
  • the present invention provides an additive injection device comprising: a storage tank for storing an additive; a metering pump coupled to the storage tank for injecting the additive into fuel in a fuel dispenser, The metering pump also meters the amount of additive injected into the fuel, wherein the metering pump includes a motor and a pump head; a controller coupled to the metering pump for controlling injection of the additive, the controller also controlling the amount of additive injected into the fuel a casing for accommodating the storage tank, the metering pump, and the controller; dividing the space inside the casing into a first substrate of a non-hazardous area and a danger zone, wherein the controller and the motor are located in the non-hazardous area The pump head and the storage box are located in the danger zone.
  • the additive injection device and method provided by the present invention frees people from the unpleasant user experience brought by the bottled additive by automatically completing the additive injection and mixing process and controlling and determining the amount of additive that is subsequently added to the fueling.
  • the additive injection device achieves a safer configuration without additional cost, and thus improves the injection of the additive. safety.
  • Figure 1 is a block diagram showing an embodiment of a gas station
  • FIG. 2 is a schematic block diagram of an embodiment of the additive injection device of FIG. 1;
  • Figure 3 is a perspective view of an embodiment of the additive injection device of Figure 1;
  • FIG. 4 is a flow chart of one embodiment of a method of injecting an additive into a fuel.
  • Circuits or circuitry and “controllers” and the like may include a single component or multiple active components. Or a collection of passive components directly or indirectly connected, such as one or more integrated circuit chips, to provide the functionality of the corresponding description.
  • the gas station 100 includes an additive injection device 101 and a fuel dispenser 103.
  • the additive injection device 101 is a separate device located adjacent to the fuel dispenser 103.
  • One or more additive flow tubes 115 from the additive injection device 101 are coupled to the fuel soft flow tubes 107 of the fuel dispenser at junctions 113, respectively.
  • the additive can be automatically injected into the fuel at the connection point 113 to form an additive blended fuel.
  • the additive mixed fuel is injected into the vehicle fuel tank through the nozzle 105 after flowing through the fuel soft flow tube 107 downstream of the connection point 113.
  • the additive injection device 101 is designed as a separate device located adjacent to the fuel dispenser 103.
  • the additive injection device 101 can be adapted to different application requirements, for example, integrated or placed within the fuel dispenser 103, or attached to the fuel dispenser 103.
  • a check valve prevents fuel from flowing back into the additive injection device 101 prior to injection of fuel into the connection point 113.
  • the additive injection device 101 can automate the additive injection and mixing process.
  • the additive injection device 101 can also control and determine the amount of additive that is subsequently added to the fueling, as will be detailed below in the description with reference to FIG. Therefore, when the vehicle is refueling, people can be freed from the unpleasant experience brought by the bottled additives.
  • the additive injection device 101 includes a storage tank 201 for storing an additive, a pump 203 coupled to the storage tank 201, and a controller 205 coupled to the pump 203.
  • the controller 205 initiates injection of an additive in response to activation of a fueling at the fuel filler 103, terminates injection of the additive in response to termination of fueling at the fueling machine 103, and controls The amount of additive injected into the fuel dispenser 103 and the amount of additive that is subsequently added.
  • pressing the select button 211 will issue a selection signal 217 indicating that the user has selected the injection additive to fuel for fuel fill at the fuel dispenser 103.
  • the controller 205 receives the selection signal 217 selecting the injection additive, the additive injection device 101 initiates a standby state. As the fuel filling at the fuel filler 103 proceeds, the controller 205 in the standby state automatically initiates the injection of the additive in response to the activation of the fueling, terminates the injection of the additive in response to the termination of the fueling, and controls the fuel with the fuel. The amount of additive added to the fill.
  • display 213 receives real-time additive fill information from controller 205 and displays it, such as additive fill amount, payables, and the like.
  • controller 205 controls the injection of the additive based on signal 219 transmitted from fuel dispenser 103. At the same time as the fueling is initiated, signal 219 is issued to indicate the activation of the fueling. In response to signal 219, controller 205 issues control signal 221 to initiate injection of the additive. In one embodiment, prior to transmission of control signal 221 to pump 203, motor controller 223 converts control signal 221 into electrical signal 225 that pump 203 can use. When an electrical signal 225 indicating fuel injection activation is received, the pump 203 is activated to draw the additive in the storage tank 201 through the additive flow tube 207 into the fuel dispenser 103. Similarly, while the fuel fill is terminated, a signal 219 is issued to indicate the termination of the fuel fill.
  • controller 205 issues control signal 221 to terminate the injection of the additive. Therefore, the additive injection device 101 can automatically perform the activation and termination of the additive injection in accordance with the activation and termination of the fueling at the fuel dispenser 103.
  • the controller 205 also controls the opening and closing of the valve 209 to ensure that the additive flowing through the additive flow tube 207 is properly directed to the fuel soft flow tube 107 where the fueling is being performed at the fuel filler 103.
  • the controller 205 also controls the amount of additive injected into the fuel.
  • the amount of additive used for this fueling is a predetermined amount of additive.
  • the controller 205 receives the signal 219 indicating the preset additive amount and issues a control signal 221 that instructs the pump 203 to continuously inject a predetermined amount of additive into the fuel in one injection.
  • the pump 203 can include a motor 227, such as a stepper motor, and a pump head 229, which can operate as a metering pump with a metered additive function to ensure the accuracy of the amount of additive injected into the fuel.
  • the complete rotation of the stepper motor 227 per revolution causes the pump head 229 to complete a full stroke, and a known amount of additive can be withdrawn from the storage bin 201 for each full stroke.
  • a known amount of additive can be withdrawn from the storage bin 201 for each full stroke.
  • the ratio of the amount of additive to the amount of fuel used for the fueling is a predetermined ratio.
  • the pump 203 is incrementally injected with a plurality of additives. Work in an intermittent manner.
  • the controller 205 receives a signal 219 indicating a preset fuel fill increment and issues a control signal 221, which instructs the pump 203 to complete an additive incremental injection.
  • the ratio of additive increments to fuel increments is equal to the preset ratio to ensure additive fill at a preset ratio.
  • the amount of the additive to be used for the fueling can be selected from the following additive amounts: 1) a preset additive amount; 2) the fuel amount to be filled with the fuel filling is preset The amount of additive in proportion.
  • controller 205 In addition to controlling additive injection, controller 205 also generates a signal 233 indicative of additive fill information, such as additive fill, payables, and the like.
  • the software code is programmed within controller 205. When executing the software code, the controller 205 monitors the dynamic fill amount data of the additive fill and calculates the dynamic payable based on the additive unit price. When receiving the signal 233 indicating the amount of charge data and the payables information, the display 213 updates the display content in real time. In another embodiment, the controller 205 can also program more programs to display more information, such as advertisements, images, promotional content.
  • the controller 205 also receives a detection signal 231 detected by the storage bin meter 215 indicating the amount of additive in the storage bin 201.
  • the controller 205 generates an alarm. More specifically, when the amount of the additive in the storage box 201 is greater than the upper limit of the preset range, the alarm indicates that the storage box 201 is nearly full.
  • the alarm indicates that the storage box 201 is nearly empty.
  • the controller 205 stops injecting the additive to the fuel, wherein the preset threshold is less than the lower limit of the preset range.
  • the additive injection device 101 not only automates the injection of the additive, but also flexibly controls the amount of additive that is added, for example, based on a predetermined amount of additive or based on a predetermined ratio of additive to fuel for fueling. Therefore, users who add additive fuel at the gas station enjoy a better user experience.
  • explosion-proof performance is critical to the assembly of gas stations. Accordingly, the explosion-proof performance of the additive injection device 103 is also a research focus of the embodiment of the present invention.
  • FIG. 3 is a perspective view 300 of one embodiment of the additive injection device 101 of FIG.
  • the perspective view 300 also includes a perspective view 301 as viewed from the front of the additive injection device 101 and a perspective view 303 as viewed from the back of the additive injection device 101.
  • the additive injection device 101 includes a housing 305 for housing the components depicted in FIG. 2 and cables for connecting the electrical components, such as controller 205, storage bin meter 215, motor controller 223, and the like.
  • the first substrate 311 divides the space inside the casing 305 into a non-hazardous area 307 and a dangerous area 309. Within the housing 305, a non-hazardous zone 307 is located above the danger zone 309.
  • the non-hazardous area 307 occupies the upper space inside the casing 305. Electrical components such as the controller 205, the display 213, the selection button 211, the motor controller 223, and the cables connecting the electrical components are located in the non-hazardous area 307. In one embodiment, the additive injection device 101 further includes a power source (not shown) that powers the controller 205 in the non-hazardous area 307.
  • the second substrate 317 divides the hazardous area 309 into a void zone 313 and a hydraulic zone 315.
  • the gap 313 is located between the non-hazardous zone 307 and the hydraulic zone 315.
  • Non-electrical components such as storage tank 201, additive flow tube 207, and valve 209 are located in hydraulic zone 315.
  • pump 203 includes stepper motor 227 and pump head 229. Referring to FIGS. 2 and 3, the stepping motor 227 electrically coupled to the controller 205 via the motor controller 223 is located in the non-hazardous area 307, and the non-electrical component pump head 229 is located in the empty area 313. Therefore, the danger zone 309 primarily houses the non-electrical components of the additive injection device 101.
  • the non-hazardous zone 307 preferentially houses the electrical components of the additive injection device 101
  • the hazardous zone 309 preferentially houses the non-electrical components of the additive injection device 101
  • hazardous area 309 also houses one or more electrical components, such as storage bin meter 215 located in hydraulic zone 315.
  • electrical components such as storage bin meter 215 located in hydraulic zone 315.
  • venting holes 319 and 320 are respectively formed at the casing of the air gap and the casing of the hydraulic zone.
  • the vents 319 are located in the front and back of the compartment of the bay, and the vents 319 are located around the enclosure of the bay.
  • the first and second substrates 311 and 317 for dividing the space inside the casing 305 need to satisfy a certain degree of casing protection, that is, an IP code such as the National Standard IP code of the People's Republic of China.
  • the lowest IP codes of the first and second substrates 311 and 317 are IP54, that is, the lowest levels of the first and second substrates 311 and 317 against solid foreign matter intrusion and harmful liquid intrusion are respectively dustproof and splashproof. .
  • the additive injection device 101 achieves a safer configuration without additional cost by dividing the interior space into different regions according to the level of danger and placing each component into the appropriate region.
  • FIG. 4 is a flow chart 400 of one embodiment of a method of injecting an additive into a fuel.
  • flowchart 400 reveals specific steps, these steps are exemplary. In other words, embodiments of the invention may also perform other various steps or variations of the steps in flowchart 400. It will be appreciated that the steps of flowchart 400 may have different execution sequences than those illustrated, and that not all of the steps of flowchart 400 may be performed.
  • Figure 4 will be described in conjunction with Figures 1 and 2.
  • Injection of the additive is initiated by an additive injection device.
  • an additive injection device for example, in response to receiving a signal 219 from the fuel dispenser 103 indicating fuel injection activation, the additive injection device 101 initiates injection of the additive.
  • the amount of additive injected into the fuel and filled with the fuel is controlled by the additive injection device. Referring to Fig. 2, the controller 205 of the additive injection device 101 can flexibly control the amount of additive injected into the fuel and filled with the fuel, for example, according to a preset amount of additive or according to a predetermined additive to fuel ratio for fuel filling. .
  • the injection of the additive is terminated by the additive injection device in response to receiving a signal from the fuel dispenser indicating that the fueling is terminated. For example, in response to receiving a signal 219 from the fuel dispenser 103 indicating the end of fuel fill, the additive injection device 101 terminates the injection of the additive.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Feeding And Controlling Fuel (AREA)

Abstract

一种用于燃油加注机的添加剂注射装置（101）和向燃油中注射添加剂的方法。该添加剂注射装置（101）包括：存储添加剂的存储箱（201）；与存储箱（201）连接的泵（203）；与泵（203）连接的控制器（205），其中控制器（205）响应于燃油加注机（103）处燃油加注的启动而启动添加剂的注射，响应于燃油加注机（103）处燃油加注的终止而终止添加剂的注射，并且控制注射入燃油加注机处的燃油并随之加注的添加剂量。该添加剂注射装置（101）和向燃油中注射添加剂的方法可提高添加剂添加的舒适性和安全性。

Description

一种用于燃油加注机的添加剂注射装置及方法 技术领域
本发明涉及一种添加剂注射装置，特别涉及一种用于燃油加注机的添加剂注射装置。
背景技术
业界存在的各种燃油已为大众所知悉。许多燃油和燃油添加剂一起使用时性能表现更好。例如，燃油添加剂有益于提高燃油品质和减少排放等。由于燃油中混合添加剂所带来的诸多益处，瓶装添加剂在市场上很受欢迎。然而，向燃油中混合瓶装添加剂是一个凌乱不便的过程。比如，当顾客要向燃油加注机处的车辆加注添加剂混合燃油时，需要在加注燃油之前购买瓶装添加剂并将之手工倾倒入车辆油箱内。而且，添加剂气味刺鼻，在倒入车辆油箱时可能溅出，顾客还需要根据燃油加注机加注的燃油量确定所需的添加剂量。此外，由于加油站是易燃易爆危险场所，添加剂的注射应尽量避免产生任何安全隐患。
发明内容
有鉴于上述提及之技术问题，在一些实施方式中，本发明提供一种用于燃油加注机的添加剂注射装置，该装置包括：存储该添加剂的存储箱；与该存储箱连接的泵；与该泵连接的控制器，其中该控制器响应于该燃油加注机处燃油加注的启动而启动该添加剂的注射，响应于该燃油加注机处燃油加注的终止而终止该添加剂的注射，并且控制注射入该燃油加注机处的燃油并随之加注的添加剂量。
在一些实施方式中，上述提供的装置中，该装置还包括：容纳该存储箱、该泵和该控制器的机壳；将该机壳内空间分为非危险区和危险区的第一基板，其中该非危险区优先容纳该添加剂注射装置的电气元件，该危险区优先容纳该添加剂注射装置的非电气元件，该电气元件中的至少一个位于该危险区，其位于该危险区的该至少一个电气元件具有防爆特性。
在一些实施方式中，上述提供的装置中，该泵是包括电机和泵头的计量泵，其中该电机位于该非危险区，该泵头位于该危险区。
在一些实施方式中，上述提供的装置中，该装置还包括：将该危险区分为液 压区和隔空区的第二基板，其中该非危险区位于该危险区的上方，该隔空区位于该非危险区和该液压区之间。
在一些实施方式中，上述提供的装置中，该第一和第二基板具有防固体异物侵入的防尘特性和防有害液体侵入的防溅特性。
在一些实施方式中，上述提供的装置中，该隔空区的机壳处和该液压区的机壳处开有通风孔。
在一些实施方式中，上述提供的装置中，该装置还包括：与该控制器连接的存储箱计量表，该存储箱计量表用于生成指示存储箱内添加剂量的探测信号，其中，当根据该探测信号确定该存储箱内添加剂量在预设范围之外时，产生报警，当确定该存储箱内添加剂量小于预设阈值时，停止向该燃油注射该添加剂，其中，该预设阈值小于该预设范围的下限值。
在一些实施方式中，上述提供的装置中，用于该燃油加注所加注的添加剂量从以下添加剂量中选择一个：1)一个预设添加剂量；2)与该燃油加注所加注的燃油量成预设比例的添加剂量。
在一些实施方式中，本发明提供一种向燃油中注射添加剂的方法，该方法包括：响应于接收到从燃油加注机传来的指示燃油加注启动的信号，通过添加剂注射装置启动该添加剂的注射；通过该添加剂注射装置控制注射入该燃油并且随该燃油加注而加注的添加剂量；响应于接收到从该燃油加注机传来的指示该燃油加注终止的信号，通过该添加剂注射装置终止该添加剂的注射。
在一些实施方式中，上述提供的方法中，该方法还包括：通过控制器接收到从存储箱计量表传来的指示该存储箱内添加剂量的探测信号；当根据该探测信号确定该存储箱内添加剂量在预设范围之外时，通过该控制器产生报警，当确定该存储箱内添加剂量小于预设阈值时，通过该控制器停止向该燃油注射该添加剂，其中，该预设阈值小于该预设范围的下限值。
在一些实施方式中，本发明提供一种添加剂注射装置，该装置包括：用于存储添加剂的存储箱；与该存储箱连接的用于向燃油加注机中的燃油注射该添加剂的计量泵，该计量泵还计量注射入该燃油的添加剂量，其中该计量泵包括电机和泵头；与该计量泵连接的用于控制添加剂注射的控制器，该控制器还控制注射入该燃油的添加剂量；用于容纳该存储箱、该计量泵和该控制器的机壳；将该机壳内空间分为非危险区和危险区的第一基板，其中该控制器和该电机位于该非危险区，该泵头和该存储箱位于该危险区。
本发明提供的添加剂注射装置和方法，通过自动完成添加剂注射和混合过程，并且控制和确定燃油加注中随之加注的添加剂量，使人们从瓶装添加剂带来的不愉快用户体验中解脱出来。另外，通过将添加剂注射装置内部空间根据危险水平划分为不同区域并将每个元件放置入合适区域，添加剂注射装置在没有增加额外费用的基础上实现了更安全配置，并因此提高了添加剂注射的安全性。
附图说明
通过结合附图对于本发明的实施方式进行描述，可以更好地理解本发明，在附图中：
图1所示为加油站的一种实施方式的模块示意图；
图2所示为图1中添加剂注射装置的一种实施方式的模块示意图；
图3所示为图1中添加剂注射装置的一种实施方式的透视图；
图4所示为向燃油中注射添加剂的方法的一种实施方式的流程图。
具体实施方式
以下将描述本发明的一个或者多个具体实施方式。首先要指出的是，在这些实施方式的具体描述过程中，为了进行简明扼要的描述，本说明书不可能对实际的实施方式的所有特征均作详尽的描述。应当可以理解的是，在任意一种实施方式的实际实施过程中，正如在任意一个工程项目或者设计项目的过程中，为了实现开发者的具体目标，或者为了满足系统相关的或者商业相关的限制，常常会做出各种各样的具体决策，而这也会从一种实施方式到另一种实施方式之间发生改变。此外，还可以理解的是，虽然这种开发过程中所作出的努力可能是复杂并且冗长的，然而对于与本发明公开的内容相关的本领域的普通技术人员而言，在本公开揭露的技术内容的基础上进行的一些设计，制造或者生产等变更只是常规的技术手段，不应当理解为本公开的内容不充分。
除非另作定义，在本说明书和权利要求书中使用的技术术语或者科学术语应当为本发明所属技术领域内具有一般技能的人士所理解的通常意义。本说明书以及权利要求书中使用的“第一”或者“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“一个”或者“一”等类似词语并不表示数量限制，而是表示存在至少一个。“或者”包括所列举的项目中的任意一者或者全部。“包括”或者“包含”等类似的词语意指出现在“包括”或者“包 含”前面的元件或者物件涵盖出现在“包括”或者“包含”后面列举的元件或者物件及其等同元件，并不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。此外，“电路”或者“电路系统”以及“控制器”等可以包括单一组件或者由多个主动元件或者被动元件直接或者间接相连的集合，例如一个或者多个集成电路芯片，以提供所对应描述的功能。
图1所示为加油站100的一种实施方式的框图。出于简洁和清楚之目的，此处省略了熟知的功能、配置和结构的详细描述，防止这些不必要的细节遮蔽针对本发明的描述。因此，本发明不限于下文即将描述的示例性实施例的实现方式，还可能通过其他方式实现。加油站100包括添加剂注射装置101和燃油加注机103。在一个实施例中，添加剂注射装置101是位于燃油加注机103附近的独立装置。一个或多个从添加剂注射装置101引出的添加剂流管115分别与燃油加注机的燃油软流管107在连接点113处连接。通过添加剂注射装置101，添加剂能够在连接点113处自动注射入燃油中形成添加剂混合燃油。添加剂混合燃油在流过连接点113下游的燃油软流管107后，通过喷嘴105注射入车辆油箱。
在图1所示实施例中，添加剂注射装置101被设计为位于燃油加注机103附近的独立装置。在其他实施例中，添加剂注射装置101可适应不同的应用要求而变换配置，例如，集成或放置燃油加注机103内，或挂靠燃油加注机103上。此外，添加剂在连接点113注射入燃油之前，单向阀(未示出)可防止燃油逆流入添加剂注射装置101。
有益的是，如果希望向车辆中加注添加剂混合燃油，添加剂注射装置101可自动完成添加剂注射和混合过程。在一个实施例中，添加剂注射装置101还能控制和确定燃油加注中随之加注的添加剂量，这点将在以下参照图2的描述中详述。因此，车辆加油时，人们能从瓶装添加剂带来的不愉快体验中解脱出来。
图2所示为图1中添加剂注射装置101的一种实施方式的框图。在图2的实施例中，添加剂注射装置101包括：用于存储添加剂的存储箱201、与存储箱201连接的泵203、与泵203连接的控制器205。参照图1和图2，控制器205响应于燃油加注机103处燃油加注的启动而启动添加剂的注射，响应于燃油加注机103处燃油加注的终止而终止添加剂的注射，并且控制注射入燃油加注机103处的燃油并随之加注的添加剂量。
在一个实施例中，按下选择按钮211将发出一个选择信号217，选择信号217指示用户已选择了注射添加剂至燃油用于燃油加注机103处的燃油加注。当控制器205接收到选择注射添加剂的选择信号217时，添加剂注射装置101启动进入待命状态。随着燃油加注机103处燃油加注的进行，处于待命状态的控制器205自动响应于燃油加注的启动而启动添加剂注射，响应于燃油加注的终止而终止添加剂注射，并且控制随燃油加注而加注的添加剂量。添加剂注射过程中，显示器213从控制器205接收实时的添加剂加注信息并予以显示，例如添加剂加注量、应付款等。
在一个实施例中，控制器205根据从燃油加注机103传送来的信号219控制添加剂的注射。燃油加注启动的同时，信号219发出以指示燃油加注的启动。响应于信号219，控制器205发出控制信号221以启动添加剂的注射。在一个实施例中，控制信号221传送至泵203之前，电机控制器223将控制信号221转换成了泵203可使用的电气信号225。当接收到指示燃油加注启动的电气信号225时，泵203启动从而将存储箱201内的添加剂通过添加剂流管207抽进燃油加注机103。相似地，燃油加注终止的同时，信号219发出以指示燃油加注的终止。响应于信号219，控制器205发出控制信号221以终止添加剂的注射。因此，根据燃油加注机103处燃油加注的启动和终止，添加剂注射装置101能够自动执行添加剂注射的启动和终止。控制器205还控制阀209的打开和闭合，从而确保流过添加剂流管207的添加剂被正确导向了燃油加注机103处正在进行燃油加注的那条燃油软流管107。
如上所述，控制器205还控制注射入燃油的添加剂量。在一个实施例中，用于此次燃油加注所加注的添加剂量是一个预设添加剂量。在这种情况下，控制器205接收到指示预设添加剂量的信号219并且发出控制信号221，控制信号211命令泵203在一次注射中连续注射预设量的添加剂到燃油中。泵203可以包括电机227，例如步进电机，和泵头229，这样就能作为具有计量添加剂量功能的计量泵工作，以此确保注射入燃油中添加剂量的准确性。操作中，步进电机227每圈完整的旋转使得泵头229完成一次整冲程，每次整冲程可以从存储箱201中抽出已知量的添加剂。通过确定步进电机227旋转的圈数，就能实现注射预设量的添加剂到燃油中。在另一个实施例中，用于此次燃油加注所加注的添加剂量与燃油量的比例是一个预设比例。在这种情况下，泵203以包含多个添加剂增量注射的 间断方式工作。燃油加注机103处每增加预设量的燃油加注，控制器205接收到指示预设燃油加注增量的信号219并且发出控制信号221，控制信号221命令泵203完成一次添加剂增量注射。添加剂增量和燃油增量的比例等于预设比例，从而确保实现按预设比例的添加剂加注。如上所述，用于此次燃油加注所加注的添加剂量可以从以下添加剂量中选择一个：1)一个预设添加剂量；2)与该燃油加注所加注的燃油量成预设比例的添加剂量。
除了控制添加剂注射，控制器205还产生指示添加剂加注信息的信号233，例如添加剂加注量、应付款等。在一个实施例中，控制器205内编程了软件代码。当执行软件代码时，控制器205监控添加剂加注的动态加注量数据并根据添加剂单价计算动态应付款。当接收到指示加注量数据和应付款信息的信号233时，显示器213实时更新显示内容。在另一个实施例中，控制器205还可以编程更多程序以显示更多信息，例如广告、图像、促销内容。
在一个实施例中，控制器205还接收存储箱计量表215探测到的指示存储箱201内添加剂量的探测信号231。当根据探测信号231确定存储箱201内添加剂量在预设范围之外时，控制器205产生报警。更确切地说，当存储箱201内添加剂量大于预设范围的上限值时，报警指示存储箱201接近满了。当存储箱201内添加剂量小于预设范围的下限值时，报警指示存储箱201接近空了。当确定存储箱201内添加剂量小于预设阈值时，控制器205停止向燃油注射添加剂，其中，预设阈值小于预设范围的下限值。
有益的是，添加剂注射装置101不仅自动执行添加剂注射，还能灵活控制加注的添加剂量，例如根据预设添加剂量或者根据用于燃油加注的添加剂与燃油的预设比例。因此，在加油站加注添加剂混合燃油的用户享受了更好的用户体验。除此之外，防爆性能对装配加油站至关重要。相应地，添加剂注射装置103的防爆性能也是本发明实施例的研究重点。
图3所示为图1中添加剂注射装置101的一种实施方式的透视图300。透视图300还包括从添加剂注射装置101前面观察的透视图301和从添加剂注射装置101背面观察的透视图303。在一个实施例中，添加剂注射装置101包括机壳305用于容纳图2所描述元件以及连接各电气元件的电缆，如控制器205、存储箱计量表215、电机控制器223等。第一基板311将机壳305内空间分为非危险区307和危险区309。在机壳305内，非危险区307位于危险区309上方。在一个实施 例中，非危险区307占据机壳305内上方空间。控制器205、显示器213、选择按钮211、电机控制器223等电气元件以及连接这些电气元件的电缆位于非危险区307。在一个实施例中，添加剂注射装置101还包括位于非危险区307的给控制器205供电的电源(未示出)。
在一个实施例中，第二基板317将危险区309分为隔空区313和液压区315。隔空区313位于非危险区307和液压区315之间。非电气元件，例如存储箱201、添加剂流管207和阀209位于液压区315。如上所述，在一个实施例中，泵203包括步进电机227和泵头229。参照图2和图3，通过电机控制器223与控制器205电气连接的步进电机227位于非危险区307，非电气元件泵头229位于隔空区313。因此，危险区309主要容纳添加剂注射装置101的非电气元件。换言之，非危险区307优先容纳添加剂注射装置101的电气元件，而危险区309优先容纳添加剂注射装置101的非电气元件。在一些情况下，危险区309也容纳一个或多个电气元件，例如位于液压区315的存储箱计量表215。当一个或多个电气元件位于危险区309时，这些电气元件需要具有防爆特性。在一个实施例中，为了进一步增强添加剂注射装置101的安全性，隔空区的机壳处和液压区的机壳处分别开有通风孔319和320。例如，通风孔319位于隔空区机壳的前面和背面，通风孔319位于隔空区机壳的四周。
而且，用于划分机壳305内空间的第一和第二基板311和317需要满足一定的机壳防护等级，即IP代码，如中华人民共和国国家标准IP代码。在一个实施例中，第一和第二基板311和317的最低IP代码为IP54，即第一和第二基板311和317防固体异物侵入和有害液体侵入的最低等级分别为防尘和防溅。
有益的是，通过将内部空间根据危险水平划分为不同区域并将每个元件放置入合适区域，添加剂注射装置101在没有增加额外费用的基础上实现了更安全配置。
图4所示为向燃油中注射添加剂的方法的一种实施方式的流程图400。虽然流程图400揭示了具体步骤，这些步骤是示例性的。换言之，本发明的实施例也可执行其他各种步骤或者流程图400中步骤的变型。可以理解的是，流程图400的步骤可以有不同于所示的执行顺序，而且并非流程图400的所有步骤都会得以执行。图4将结合图1和图2描述。
在步骤401，响应于接收到从燃油加注机传来的指示燃油加注启动的信号， 通过添加剂注射装置启动添加剂的注射。例如，响应于接收到从燃油加注机103传来的指示燃油加注启动的信号219，添加剂注射装置101启动添加剂的注射。在步骤403，通过添加剂注射装置控制注射入燃油并且随燃油加注而加注的添加剂量。参照图2，添加剂注射装置101的控制器205可以灵活控制注射入燃油并且随燃油加注而加注的添加剂量，例如根据预设添加剂量或者根据用于燃油加注的预设添加剂对燃油比例。在步骤405，响应于接收到从燃油加注机传来的指示燃油加注终止的信号，通过添加剂注射装置终止添加剂的注射。例如，响应于接收到从燃油加注机103传来的指示燃油加注终止的信号219，添加剂注射装置101终止添加剂的注射。
虽然结合特定的实施方式对本发明进行了说明，但本领域的技术人员可以理解，对本发明可以作出许多修改和变型。因此，要认识到，权利要求书的意图在于涵盖在本发明真正构思和范围内的所有这些修改和变型。

Claims (11)

  1. 一种用于燃油加注机的添加剂注射装置，其特征在于：该装置包括：存储该添加剂的存储箱；与该存储箱连接的泵；与该泵连接的控制器，其中该控制器响应于该燃油加注机处燃油加注的启动而启动该添加剂的注射，响应于该燃油加注机处燃油加注的终止而终止该添加剂的注射，并且控制注射入该燃油加注机处的燃油并随之加注的添加剂量。
  2. 如权利要求1所述的添加剂注射装置，其特征在于：该装置还包括：容纳该存储箱、该泵和该控制器的机壳；将该机壳内空间分为非危险区和危险区的第一基板，其中该非危险区优先容纳该添加剂注射装置的电气元件，该危险区优先容纳该添加剂注射装置的非电气元件，该电气元件中的至少一个位于该危险区，其位于该危险区的该至少一个电气元件具有防爆特性。
  3. 如权利要求2所述的添加剂注射装置，其特征在于：该泵是包括电机和泵头的计量泵，其中该电机位于该非危险区，该泵头位于该危险区。
  4. 如权利要求2所述的添加剂注射装置，其特征在于：该装置还包括：将该危险区分为液压区和隔空区的第二基板，其中该非危险区位于该危险区的上方，该隔空区位于该非危险区和该液压区之间。
  5. 如权利要求4所述的添加剂注射装置，其特征在于：该第一和第二基板具有防固体异物侵入的防尘特性和防有害液体侵入的防溅特性。
  6. 如权利要求4所述的添加剂注射装置，其特征在于：该隔空区的机壳处和该液压区的机壳处开有通风孔。
  7. 如权利要求1所述的添加剂注射装置，其特征在于：该装置还包括：与该控制器连接的存储箱计量表，该存储箱计量表用于生成指示存储箱内添加剂量的探测信号，其中，当根据该探测信号确定该存储箱内添加剂量在预设范围之外时，产生报警，当确定该存储箱内添加剂量小于预设阈值时，停止向该燃油注射该添加剂，其中，该预设阈值小于该预设范围的下限值。
  8. 如权利要求1所述的添加剂注射装置，其特征在于：用于该燃油加注所加注的添加剂量从以下添加剂量中选择一个：1)一个预设添加剂量；2)与该燃油加注所加注的燃油量成预设比例的添加剂量。
  9. 一种向燃油中注射添加剂的方法，其特种在于：该方法包括：响应于接收 到从燃油加注机传来的指示燃油加注启动的信号，通过添加剂注射装置启动该添加剂的注射；通过该添加剂注射装置控制注射入该燃油并且随该燃油加注而加注的添加剂量；响应于接收到从该燃油加注机传来的指示该燃油加注终止的信号，通过该添加剂注射装置终止该添加剂的注射。
  10. 一种向燃油中注射添加剂的方法，其特种在于：该方法还包括：通过控制器接收到从存储箱计量表传来的指示该存储箱内添加剂量的探测信号；当根据该探测信号确定该存储箱内添加剂量在预设范围之外时，通过该控制器产生报警，当确定该存储箱内添加剂量小于预设阈值时，通过该控制器停止向该燃油注射该添加剂，其中，该预设阈值小于该预设范围的下限值。
  11. 一种添加剂注射装置，其特种在于：该装置包括：用于存储添加剂的存储箱；与该存储箱连接的用于向燃油加注机中的燃油注射该添加剂的计量泵，该计量泵还计量注射入该燃油的添加剂量，其中该计量泵包括电机和泵头；与该计量泵连接的用于控制添加剂注射的控制器，该控制器还控制注射入该燃油的添加剂量；用于容纳该存储箱、该计量泵和该控制器的机壳；将该机壳内空间分为非危险区和危险区的第一基板，其中该控制器和该电机位于该非危险区，该泵头和该存储箱位于该危险区。
PCT/CN2014/087837 2013-09-29 2014-09-29 一种用于燃油加注机的添加剂注射装置及方法 WO2015043539A1 (zh)

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