WO2018086284A1 - 一种液化石油气钢瓶气体余量的监测装置、监测系统 - Google Patents

一种液化石油气钢瓶气体余量的监测装置、监测系统 Download PDF

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Publication number
WO2018086284A1
WO2018086284A1 PCT/CN2017/075924 CN2017075924W WO2018086284A1 WO 2018086284 A1 WO2018086284 A1 WO 2018086284A1 CN 2017075924 W CN2017075924 W CN 2017075924W WO 2018086284 A1 WO2018086284 A1 WO 2018086284A1
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WIPO (PCT)
Prior art keywords
liquefied petroleum
petroleum gas
gas cylinder
monitoring
gas
Prior art date
Application number
PCT/CN2017/075924
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English (en)
French (fr)
Inventor
郭振
Original Assignee
多立恒（北京）能源技术股份公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201621214445.0U external-priority patent/CN206290969U/zh
Priority claimed from CN201621214541.5U external-priority patent/CN206234614U/zh
Application filed by 多立恒（北京）能源技术股份公司 filed Critical 多立恒（北京）能源技术股份公司
Priority to JP2019600071U priority Critical patent/JP3224777U/ja
Priority to EP17869114.3A priority patent/EP3540289A4/en
Publication of WO2018086284A1 publication Critical patent/WO2018086284A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/023—Special adaptations of indicating, measuring, or monitoring equipment having the mass as the parameter
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03—Orientation
    • F17C2201/032—Orientation with substantially vertical main axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/01—Mounting arrangements
    • F17C2205/0153—Details of mounting arrangements
    • F17C2205/0192—Details of mounting arrangements with external bearing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/033—Small pressure, e.g. for liquefied gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/032—Control means using computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/034—Control means using wireless transmissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/036—Control means using alarms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0421—Mass or weight of the content of the vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0447—Composition; Humidity
    • F17C2250/0452—Concentration of a product
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/07—Actions triggered by measured parameters
    • F17C2250/072—Action when predefined value is reached
    • F17C2250/077—Action when predefined value is reached when empty
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/02—Improving properties related to fluid or fluid transfer
    • F17C2260/024—Improving metering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2265/00—Effects achieved by gas storage or gas handling
    • F17C2265/04—Effects achieved by gas storage or gas handling using an independent energy source, e.g. battery
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0745—Gas bottles

Definitions

  • the invention relates to the field of liquefied petroleum gas devices, in particular to a monitoring device and a monitoring system for liquefied petroleum gas cylinder gas residual amount.
  • liquefied petroleum gas is still used as an important fuel for cooking and heating in places such as residents and restaurants.
  • Liquefied petroleum gas is generally packed in special steel cylinders. Since the cylinders are non-transparent materials, it is impossible to directly observe the gas balance in the cylinders. The user only knows that the liquefied petroleum gas has been used up when it cannot be ignited on the cooker, and the gas volume cannot be known in advance, thus affecting the user's use.
  • the present invention provides a gas residue monitoring system for a liquefied petroleum gas cylinder, which can facilitate the user to predict the balance of the liquefied petroleum gas in the cylinder in advance.
  • the invention provides a monitoring device for the remaining amount of a liquefied petroleum gas cylinder, comprising an annular body having a central hole, a base of the liquefied petroleum gas cylinder is inserted into the central hole and supported by the annular body, wherein the annular body is provided There are weight detecting elements.
  • the outer circumference of the annular body is of a concave design.
  • the annular body includes an upper cover and a lower cover that are engaged to form a closed cavity, and the weight detecting component is disposed in the closed cavity.
  • the weight detecting component comprises a weighing data acquisition board and a data transmission board.
  • a battery compartment is disposed in the closed cavity, and the battery compartment has a battery that is powered to the weight detecting component.
  • the upper cover and the lower cover may also be connected by screwing or hooking to form the closed cavity.
  • the inner circumference of the annular body is provided with an annular support slope for engaging a circular arc transition surface supporting the bottom of the liquefied petroleum steel bottle.
  • a magnetic nail is uniformly disposed on the support slope.
  • a caster is mounted on the bottom of the annular body.
  • the monitoring device comprises an annular body having a central hole
  • the base of the liquefied petroleum gas cylinder is inserted into the central hole and supported by the annular body, and the annular body is provided with a weight detecting element, and the weight detecting element
  • the weight of the supported cylinder can be detected.
  • the detection value can obviously reflect the remaining amount of the gas in the cylinder, so that the user can predict in advance; in addition, the support is in the center hole, the position is relatively stable, and the support is relatively reliable. Moreover, it does not take up too much space in height.
  • the monitoring system for the gas residue of the liquefied petroleum gas cylinder comprises a detecting device and a residual reminder terminal, wherein the detecting device comprises a supporting portion for supporting a liquefied petroleum gas cylinder, and the supporting portion is provided with detecting the liquefied petroleum gas A weight detecting element of the weight of the cylinder, the weight detecting element outputs a detection result to the remaining amount prompting terminal.
  • the remaining amount prompting terminal has at least one of a warning module, a margin display module, and a wireless data uploading module, and the wireless data uploading module is capable of uploading the remaining amount data to the mobile phone or the computer.
  • the margin reminding terminal includes a front cover and a rear cover, and the two are fastened to form a housing cavity, and the warning module, the remaining amount display module, and the wireless data uploading module are disposed in the housing cavity Inside.
  • a bottom of the back cover is provided with a mounting plate for mounting and fixing the remaining amount of tips. end.
  • the remaining prompting terminal is provided with a gas detecting hole, and the warning module alarms when the gas detecting hole detects that the gas concentration exceeds the standard.
  • the support portion includes an annular body having a central hole into which the cylinder base of the liquefied petroleum gas cylinder is inserted and supported on the annular body; the weight detecting element is disposed on the Ring body.
  • the outer circumference of the annular body is provided with an inner recess.
  • the annular body includes an upper cover and a lower cover that are engaged to form a closed cavity, the weight detecting component is disposed in the closed cavity; and the closed cavity is provided with a battery compartment, The battery compartment is internally provided with a battery that supplies power to the weight detecting element.
  • the inner circumference of the annular body is provided with an annular support slope for engaging a circular arc transition surface of a bottom of the cylinder supporting the liquefied petroleum cylinder.
  • the support bevel is uniformly provided with magnetic nails.
  • a caster is mounted on the bottom of the annular body.
  • the monitoring system includes a detecting device capable of detecting the weight of the liquefied petroleum gas cylinder, the detecting device can simultaneously feed back the detected data to the remaining amount prompting terminal, thereby facilitating the user to view the remaining amount information and predicting in advance The balance of liquefied petroleum gas in the cylinder.
  • Figure 1 is a schematic view showing the structure of a commonly used standard liquefied petroleum gas cylinder
  • FIG. 2 is a schematic structural view of a specific embodiment of a gas residue monitoring system for a liquefied petroleum gas cylinder according to the present invention
  • Figure 3 is a schematic structural view of the detecting device of Figure 2;
  • Figure 4 is a plan view of Figure 3;
  • Figure 5 is a cross-sectional view taken along line A-A of Figure 4.
  • Figure 6 is a schematic view showing the layout of the weight detecting element of Figure 3;
  • FIG. 7 is a schematic structural view of the remaining amount prompting terminal in FIG. 2;
  • Figure 8 is a bottom view of Figure 7;
  • FIG. 9 is a schematic perspective view of FIG. 7.
  • FIG. 9 is a schematic perspective view of FIG. 7.
  • annular body 1 annular body; 11 upper cover; 12 lower cover; 13 closed cavity; 14 central hole; 15 support slope; 16 magnetic nail; 17 outer arc; 18 inner recess; 19 caster; 20 annular body bottom surface. 21 weighing collection board; 22 data transmission board; 23 batteries; 24 battery compartment;
  • FIG. 1 is a schematic structural view of a conventional standard liquefied petroleum gas cylinder, which mainly embodies the structure of a general liquefied petroleum gas cylinder to facilitate understanding of the use mode of the detecting device in the embodiment;
  • FIG. 2 is a view of the present invention A schematic structural view of a specific embodiment of a liquefied petroleum gas cylinder gas balance monitoring system is provided;
  • FIG. 3 is a schematic structural view of the detecting device of FIG.
  • the detection system includes a detecting device for detecting the weight of the liquefied petroleum gas cylinder 100, specifically including a support portion provided with a weight detecting element for detecting 100 weights of the liquefied petroleum gas cylinder.
  • the support portion specifically includes an annular body 1 formed by the upper cover 11 and the lower cover 12.
  • the upper cover 11 and the lower cover 12 are fastened to each other to form a closed cavity 13 and a central hole 14 of the annular body 1.
  • the upper cover 11 and the lower cover 12 are specifically It is connected by screw or snap connection, and of course other conventional connections can be used.
  • the annular body 1 is provided with a weight detecting element, and when the detecting device is used, the liquefied petroleum gas cylinder 100 can be supported on the annular body 1.
  • the cylinder base 102 is generally arranged in a circular shape. To ensure that the cylinder base 102 is smoothly inserted into the central hole 14 in the annular body 1 and supported by the annular body 1, it is obvious that the diameter of the central hole 14 should be larger than the circular base 102 of the liquefied petroleum gas cylinder. The diameter is smaller than the diameter of the body of the liquefied petroleum gas cylinder 100. From Figure 1, the circular base of the cylinder is 102 feet. The inch is relatively small with respect to the main body, so that the liquefied petroleum gas cylinder 100 can be supported at the inner circumferential position of the annular body 1.
  • FIG. 4 is a top view of FIG.
  • the central hole 14 of the annular body 1 is circular so as to be able to be matched with the bottle body of the liquefied petroleum gas cylinder 100 of a generally circular structure to achieve a more reliable and uniform support effect.
  • the central hole 14 can also be provided as a square hole or other form as long as the liquefied petroleum gas cylinder 100 can be supported on the annular body 1 and has a certain positioning effect based on the insertion of the cylinder base 102.
  • the bottom of the liquefied petroleum gas cylinder 100 should be suspended after being inserted into the center hole 14 to be kept with the ground or other table on which the detecting device is placed. A certain distance, in this way, under the appropriate distance setting, the detecting device does not significantly raise the height of the liquefied petroleum gas cylinder 100, thereby reducing the space occupation.
  • the solution provided by the present invention detects the weight of the liquefied petroleum gas cylinder 100 by the weight detecting element, and obtains the remaining amount, so that the user can know the remaining amount of the liquefied petroleum gas, thereby inflating in time; in addition, the ring set by the detecting device
  • the central body 1 is provided with a central hole 14 so that the liquefied petroleum gas cylinder 100 is placed on the detecting device, and at the same time, a certain positioning effect is obtained, which is favorable for the stability of the liquefied petroleum gas cylinder 100 and does not occupy Too much space is more in line with the user's needs.
  • FIG. 5 is a cross-sectional view taken along line A-A of FIG.
  • the inner circumference of the annular body 1 is provided with an annular support slope 15 corresponding to an annular chamfer at the upper portion of the inner circumference of the annular body 1.
  • the circular arc transition surface 101 of the cylinder bottom 102 is laid on the support slope 15 of the annular body 1.
  • the support bevel 15 has a certain guiding effect for facilitating the insertion of the cylinder base 102.
  • the supporting inclined surface 15 can also be set as a circular arc supporting surface to cooperate with the circular arc transition surface 101, and can also increase the supporting contact area and improve the support stability.
  • the supporting bevel 15 may further uniformly arrange the magnetic nails 16, and four magnetic nails 16 are provided in FIG.
  • the magnetic nail 16 is adsorbed.
  • the arc transition surface 101 serves to further position and fix the liquefied petroleum cylinder 100 by the magnetic nail 16 set on the support slope 15 .
  • the number of magnetic nails 16 is not limited to four.
  • the outer circumference of the annular body 1 is recessed and formed with an inner recess 18.
  • the arrangement of the inner recess 18 facilitates user handling and saves material.
  • the outer circumference of the annular body 1 in FIG. 4 is circular, and four circumferential recesses 18 are evenly distributed in the circumferential direction, and the inner concave portion 18 is arcuate, forming a structure in which the outer circular arc segment 17 and the arcuate inner concave portion 18 are sequentially connected, and The outer arc segment 17 and the inner recess 18 are connected by a small arc transition, and the structure is simple and reasonable.
  • casters 19 are also installed at the bottom of the annular body 1, and the casters 19 are specifically arranged four and uniformly distributed along the circumference to ensure stability.
  • the caster 19 can be screwed to the bottom of the annular body 1.
  • the cylinder base 102 needs to be suspended, and when the caster 19 is provided, it is only required to be higher than the caster 19.
  • the bottom surface 103 of the liquefied petroleum gas cylinder should be higher than the bottom surface 20 of the annular body 1.
  • the monitoring effect of the gas remaining amount of the liquefied petroleum gas cylinder is completed by measuring the weight of the liquefied petroleum gas cylinder. Therefore, the ring body 1 is provided with a weight monitoring component.
  • FIG. 6 is a schematic diagram of the layout of the weight detecting component of FIG.
  • the weight monitoring component is disposed in the closed cavity 13 of the annular body 1.
  • the closed cavity is formed by the upper cover 11 and the lower cover 12, and the support slope 15 and the magnetic nail 16 are disposed at On the upper cover 11.
  • the weight detecting element is disposed in the closed cavity 13, and the closed cavity 13 protects the weight monitoring element from contamination and damage.
  • the weight monitoring component mainly includes a weighing data acquisition board 21 and a data transmission board 22, and in the closed cavity 13, a battery compartment 24 for mounting the battery 23 may also be disposed.
  • the battery 23 is easy to meet diverse user needs and is not subject to environmental restrictions.
  • the power interface can also be set. In this case, the location needs to be equipped with a socket.
  • the weighing data acquisition board 21 includes a weight sensor, a signal processing circuit, and a PCB board.
  • the weighing data acquisition board 21 is responsible for collecting data and processing the collected data, wherein the weight sensor is connected with the upper cover 11 to ensure that the support can be collected.
  • Weight data of the object, weighing data acquisition board The output terminal of the 21 is connected to the input end of the data transmission board 22, and the battery 23 or other power supply is connected to the power supply end of the weighing data acquisition board 21 and the weighing data transmission board 22, and the data transmission board 22 is used for transmitting the collected weight to the outside.
  • the data can be transmitted by wire or wirelessly, and the wireless transmission module can be set when wirelessly transmitting.
  • the liquefied petroleum gas cylinder 100 generally has a standard size, and the detection device provided by the invention can be fabricated according to a standard liquefied petroleum gas cylinder to meet the needs of users.
  • the detection device is also suitable, as long as the size is designed to support the cylinder.
  • the above description focuses on the structure of the detecting device. After detecting the weight information of the liquefied petroleum gas cylinder 100, the detection result can be transmitted to the remaining amount prompting terminal of the monitoring system provided by the present invention.
  • the specific structure of the remaining prompting terminal can be referred to FIG. 7-9. understanding.
  • FIG. 7 is a schematic structural view of a specific embodiment of the remaining amount prompting terminal of FIG. 2;
  • FIG. 8 is a bottom view of FIG. 7, and
  • FIG. 9 is a schematic perspective view of FIG.
  • the remaining amount reminder terminal 30 is used in combination with the above-mentioned detecting device. After detecting the weight of the cylinder, the detecting device transmits the detected data to the remaining amount prompting terminal 30, and the remaining amount prompting terminal 30 can make a display, a warning, etc., to prompt the user. .
  • the remaining amount prompting terminal 30 includes a front cover 31 and a rear cover 32, and the two are engaged to form a housing cavity, and at least a margin display module, a warning module, and a wireless data uploading module may be disposed in the housing cavity.
  • the display bar 311 of the remaining amount display module 30 can be displayed on the outer surface of the front cover 31 for the user to directly observe, and the display bar 311 can be displayed by using the cylinder shown in the figure and the pattern of the internal grid. In order to more intuitively reflect the remaining gas volume in the cylinder.
  • the weight value at the time of full bottle setting may be preset inside the remaining amount prompting terminal 30, and the gas remaining amount may be known based on the detected weight value.
  • the calculation module of the gas residual amount can also be placed on the detecting device, and it is also possible to output the remaining amount result to the remaining amount prompting terminal 30, that is, the detection result shown in FIG. 2 is not limited to the directly detected weight value, and also Can be the margin value. In comparison, it is provided that the margin indicating terminal 30 is easier to arrange.
  • the remaining amount prompting terminal 30 simultaneously sets the warning module, and the warning light of the warning module is displayed on the outer surface of the front cover 31.
  • the alarm light can flash to prompt Households, where the margin is insufficient, can be set, or can be set up, such as insufficient, serious shortage, etc., and equipped with corresponding alarm lights, such as yellow, red lights, to distinguish.
  • the gas leak detection component is also configured, and the warning module can also alarm according to the gas leakage signal to further improve the safety performance.
  • the wireless data uploading module can transmit the data to a computer or a mobile phone (for example, a mobile phone APP), and the user can remotely monitor the gas remaining state of the steel cylinder, thereby improving the user experience.
  • a computer or a mobile phone for example, a mobile phone APP
  • the wireless data transmission module, the warning module, and the margin display module can realize the pre-prediction function for the margin as long as one is provided.
  • the remaining amount presentation terminal 30 is further provided with a self-test, an SOS, and a setting button. Press the self-test button to test whether the functions of each part of the monitoring device are normal; the SOS button can be selected to provide a gas service, or an emergency call, or seek a fixed mobile phone number help; the "Settings" button can be used for the monitoring device. Basic Settings.
  • the WIFI signal light can display the current WIFI connection communication situation, and it is clear whether the wireless data uploading module works smoothly; the power signal light shows the current monitoring device power supply status.
  • the remaining amount reminder terminal 30 is further provided with a gas detecting hole 12, which can detect natural gas liquefied gas, etc., and when the concentration exceeds the standard, the warning module can alarm.
  • the gas detecting hole 12 can also function as a ventilation and heat dissipation to extend the service life of the internal components.
  • the gas detecting holes 312 may be specifically provided on both sides and the bottom of the front cover 31 as shown in FIG.
  • the bottom of the remaining amount reminder terminal 30 may be provided with a mounting plate 33 which facilitates mounting the remaining amount indicating terminal 30 in an easily viewable position such as a wall or a cabinet.
  • a power plug 313 may be disposed on the housing of the remaining amount reminder terminal 30 to be inserted into the socket.
  • the remaining amount reminder terminal 30 can also be equipped with a battery directly.
  • the remaining amount reminder terminal 30 can be fixed to a wall or other position where the socket is usually provided, and at this time, the power plug 313 is provided to easily obtain continuous power supply.
  • the monitoring system provided by the present invention includes a detecting device capable of detecting the weight of the liquefied petroleum gas cylinder, the detecting device can simultaneously feed back the detected data to the remaining amount prompting terminal, thereby facilitating the user to view.
  • the remaining amount information the amount of liquefied petroleum gas in the cylinder is predicted in advance. Therefore, in principle, the detecting device can detect the weight of the cylinder as long as it is
  • the support portion for supporting the liquefied petroleum gas cylinder 100 is not limited to the above-described annular body 1, and may be, for example, a body without a center hole.
  • the annular body 1 has a corresponding technical effect as a supporting portion, and details are not described herein again.

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Abstract

一种液化石油气钢瓶气体余量的监测装置、监测系统，监测系统包括检测装置和余量提示终端，所述检测装置包括支撑液化石油气钢瓶的支撑部，所述支撑部设有检测所述液化石油气钢瓶重量的重量检测元件，所述重量检测元件输出检测结果至所述余量提示终端。该监测系统，包括能够检测到液化石油气钢瓶重量的检测装置，该检测装置同时又能够把检测的数据反馈给余量提示终端，从而便于用户查看余量信息，提前预判钢瓶内液化石油气的余量。

Description

一种液化石油气钢瓶气体余量的监测装置、监测系统
本申请要求于2016年11月10日提交中国专利局、申请号为201621214445.0、发明名称为“一种液化石油气钢瓶气体余量的监测系统”，以及于2016年11月10日提交中国专利局、申请号为201621214541.5、发明名称为“一种液化石油气钢瓶气体余量的监测装置”的两项中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及液化石油气装置领域，尤其涉及一种用于液化石油气钢瓶气体余量的监测装置、监测系统。
背景技术
液化石油气作为清洁能源，在居民、饭店等地方依然用作做饭、供热的重要燃料使用。液化石油气一般采用专用钢瓶承装，由于钢瓶为非透明材料，无法直接观测到钢瓶内气体余量。用户只有在灶具上无法点燃时才知道液化石油气已经用尽，无法提前知晓气量，从而影响了用户的使用。
有鉴于此，如何使用户能够提前预判钢瓶内液化石油气的余量，是本领域技术人员亟待解决的技术问题。
发明内容
为解决上述问题，本发明提供了一种液化石油气钢瓶气体余量监测系统，该检测装置能够便于用户提前预判钢瓶内液化石油气的余量。
本发明提供液化石油气钢瓶余量的监测装置，包括具有中心孔的环形主体，所述液化石油气钢瓶的底座插入所述中心孔内，并支撑于所述环形主体，其中所述环形主体设有重量检测元件。
可选地，所述环形主体的外周采用内凹设计。
可选地，所述环形主体包括相扣合形成封闭型腔的上盖和下盖、所述重量检测元件设于所述封闭型腔内。
可选地，所述重量检测元件包括称重数据采集板和数据传输板。
可选地，所述封闭型腔内设有电池仓，所述电池仓内置放供电至所述重量检测元件的电池。
可选地，所述上盖与所述下盖还可以采用螺接或卡钩连接，形成所述封闭型腔。
可选地，所述环形主体内周设置有环形的支撑斜面，用于配合支撑所述液化石油钢瓶底部的圆弧过渡面。
可选地，所述支撑斜面上内均布设有磁钉。
可选地，所述环形主体的底部安装有脚轮。
由于本发明所提供的监测装置包括具有中心孔的环形主体，所述液化石油气钢瓶的底座插入所述中心孔内，并支撑于环形主体，且环形主体设有重量检测元件，则重量检测元件可以检测支撑的钢瓶的重量，与初始重量相比，显然检测值可以体现出钢瓶内气量的余量，从而便于用户提前预判；另外，支撑于中心孔内，位置较为稳定，支撑相对可靠，而且，高度上不会占用过多空间。
本发明提供的液化石油气钢瓶气体余量的监测系统，包括检测装置和余量提示终端，所述检测装置包括支撑液化石油气钢瓶的支撑部，所述支撑部设有检测所述液化石油气钢瓶重量的重量检测元件，所述重量检测元件输出检测结果至所述余量提示终端。
可选地，所述余量提示终端具有警示模块、余量显示模块、无线数据上传模块中的至少一者，所述无线数据上传模块能够上传余量数据至手机或计算机。
可选地，所述余量提示终端包括前盖和后盖，二者扣合形成壳体腔，所述警示模块、所述余量显示模块以及所述无线数据上传模块，设置于所述壳体腔内。
可选地，所述后盖的底部设有安装板，用于安装固定所述余量提示终 端。
可选地，所述余量提示终端设有气体检测孔，所述气体检测孔检测气体浓度超标时，所述警示模块报警。
可选地，所述支撑部包括具有中心孔的环形主体，所述液化石油气钢瓶的钢瓶底座插入所述中心孔内，并支撑于所述环形主体上；所述重量检测元件设于所述环形主体。
可选地，所述环形主体的外周设有内凹部。
可选地，所述环形主体包括相扣合形成封闭型腔的上盖和下盖、所述重量检测元件设于所述封闭型腔内；所述封闭型腔内设有电池仓，所述电池仓内置放供电至所述重量检测元件的电池。
可选地，所述环形主体内周设置有环形的支撑斜面，用于配合支撑所述液化石油钢瓶的钢瓶底部的圆弧过渡面。
可选地，所述支撑斜面内均布设有磁钉。
可选地，所述环形主体的底部安装有脚轮。
由于本发明所提供的监测系统，包括能够检测到液化石油气钢瓶重量的检测装置，该检测装置同时又能够把检测的数据反馈给余量提示终端，从而便于用户查看余量信息，提前预判钢瓶内液化石油气的余量。
附图说明
图1为常用标准液化石油气钢瓶的结构示意图；
图2为本发明所提供的一种液化石油气钢瓶气体余量监测系统一种具体实施例的结构示意图；
图3为图2中检测装置的结构示意图；
图4为图3的俯视图；
图5为图4的A-A向剖视图；
图6为图3中的重量检测元件布局示意图；
图7为图2中余量提示终端的结构示意图；
图8为图7的仰视图；
图9为图7的立体结构示意图。
图1中的附图标记说明如下：
100液化石油气钢瓶；101圆弧过渡面；102钢瓶底座；103钢瓶底面。
图2-图9中的图示标记为：
1环形主体；11上盖；12下盖；13封闭型腔；14中心孔；15支撑斜面；16磁钉；17外圆弧；18内凹部；19脚轮；20环形主体底面。21称重采集板；22数据传输板；23电池；24电池仓；
30余量提示终端、31前盖、311显示条、312气体检测孔、313电源插头、32底盖、33安装板。
具体实施方式
为了使本领域的技术人员更好地理解本发明的技术方案，下面结合附图和具体实施例对本发明作进一步的详细说明。
请参考图1-2,图1为常用标准液化石油气钢瓶的结构示意图，该示意图主要体现一般液化石油气钢瓶的结构，以便于理解本实施例中检测装置的使用方式；图2为本发明所提供的一种液化石油气钢瓶气体余量监测系统一种具体实施例的结构示意图；图3为图2中检测装置的结构示意图。
该检测系统包括一检测装置，该监测装置用于检测液化石油气钢瓶100的重量，具体包括支撑部，支撑部设有检测液化石油气钢瓶100重量的重量检测元件。支撑部具体包括上盖11和下盖12形成的环形主体1，上盖11和下盖12相互扣合形成环形主体1的封闭型腔13和中心孔14，上盖11和下盖12具体可采用螺接或卡扣连接方式连接，当然也可以采用其他常规的连接方式。
环形主体1设有重量检测元件，使用该检测装置时，可以将液化石油气钢瓶100支撑于环形主体1上。钢瓶底座102通常呈圆形设置，为保证钢瓶底座102顺利插入环形主体1中的中心孔14内并被环形主体1所支撑，显然，中心孔14的直径应大于液化石油气钢瓶圆形底座102的直径，小于液化石油气钢瓶100的瓶身主体直径。从图1来看，钢瓶圆形底座102尺 寸相对于其主体较小，故液化石油气钢瓶100可以支撑在环形主体1的内周位置。
请参考图4，图4为图3的俯视图。
图4中，环形主体1的中心孔14为圆形，从而能够与通常为圆形结构的液化石油气钢瓶100的瓶身所匹配，以达到更可靠均匀的支撑效果。当然，中心孔14也可设置为方形孔或其他形式，只要液化石油气钢瓶100能够支撑在环形主体1上，并基于钢瓶底座102的插入而具备了一定的定位效果即可。
为了使得液化石油气钢瓶100能够支撑在环形主体1上，进而被重量检测元件检测到重量，显然液化石油气钢瓶100的底部插入中心孔14后应当悬空，与地面或者放置检测装置的其他台面保持一定距离，这样，在适当的距离设定下，检测装置不会明显抬高液化石油气钢瓶100的高度，减少空间的占用。
因此，本发明所提供的方案，一方面通过重量检测元件检测液化石油气钢瓶100的重量，可获得其余量，便于用户知晓液化石油气的余量，从而及时充气；另外，检测装置设置的环状主体1，其中心孔14的设置，使得液化石油气钢瓶100置放而制成在该检测装置上时，同时起到了一定的定位效果，有利于液化石油气钢瓶100的稳定，并且不占用过多的空间，更符合用户的使用需求。
请继续参考5，图5为图4的A-A向剖视图。
具体地，该环形主体1内周设置有环形的支撑斜面15，相当于在环形主体1的内周上部设有环形倒角。
当液化石油气钢瓶100的钢瓶底座102插入环形主体1中的中心孔14后，钢瓶底部102的圆弧过渡面101搭落在环形主体1的支撑斜面15上。支撑斜面15具有一定的导向作用，便于钢瓶底座102的插入。当然，支撑斜面15也可设置为圆弧支撑面，以与圆弧过渡面101相配合，还能够增加支撑接触面积，提高支撑稳定性。
另外，支撑斜面15上还可以进一步均布设置磁钉16，图4中设有四个磁钉16。当液化石油气钢瓶100支撑于环形主体1时，磁钉16会吸附 圆弧过渡面101，则支撑斜面15上设定的磁钉16对所述液化石油气缸100起到进一步定位和固定的作用。显然，磁钉16的数量并不限于四个。
请继续参考图4，本实例中环形主体1的外周采用内凹设计，形成有内凹部18。内凹部18的设置便于用户把持，并且节省材料。具体地，图4中的环形主体1外周为圆形，延其周向均布有四个内凹部18，内凹部18为弧状，形成外圆弧段17和弧状内凹部18依次相接的结构，并且外圆弧段17与内凹部18之间通过小圆弧过渡连接，结构简单合理。
本案例中在环形主体1底部还安装有脚轮19，脚轮19具体设置四个，并沿周向均布，保证稳定性。脚轮19可采用螺接连接于环形主体1的底部。如此，当液化石油气缸钢瓶100支撑于环形主体1后，可方便移动使用，对于较重的液化石油气钢瓶100而言，脚轮19的滚动移动显然便于用户使用。
如前所述，钢瓶底座102需要悬空，在设置脚轮19时，只要高于脚轮19即可。当然，若为方便以后更换不同型号的脚轮或拆除脚轮后该装置仍能正常使用，则液化石油气钢瓶底面103应高于环形主体1的底面20。
本实施例中通过测量液化石油气钢瓶的重量，完成对液化石油气钢瓶气体余量的监测作用。故该环形本体1内设有重量监测元件。
请参考图6，图6为图3中的重量检测元件布局示意图。
该重量监测元件设定于环形本体1的封闭型腔内13，另外，如前所述，封闭型腔由上盖11和下盖12扣合形成，上述支撑斜面15、磁钉16均设置在上盖11上。
将重量检测元件设于封闭型腔13内，封闭型腔13可保护重量监测元件不被污染和损害。其中重量监测元件主要包括称重数据采集板21和数据传输板22，同时在该封闭型腔内13内，还可以设置用于安装电池23的电池仓24。电池23便于满足多样化的用户需求，不易受到环境限制。当然也可以设置电源接口，此时，使用位置需要配备插座。
称重数据采集板21包括重量传感器、信号处理电路、PCB板，称重数据采集板21负责采集数据并对采集到的数据进行处理，其中重量传感器与上盖11相连接，保证可以采集到支撑物的重量数据，称重数据采集板 21输出端接入数据传输板22的输入端，电池23或其他供电电源接入称重数据采集板21和称重数据传输板22的电源端，数据传输板22用于向外部传输采集的重量数据，可以采用有线或无线传输，无线传输时，可以设置无线传输模块。
液化石油气钢瓶100通常有标准尺寸，本发明所提供的检测装置可以根据标准液化石油气钢瓶进行制作，从而满足广大用户需求。当然，存在非普通标准的液化石油气钢瓶时，该检测装置同样适用，只要尺寸设计能够支撑钢瓶即可。
以上着重描述检测装置结构，检测到液化石油气钢瓶100的重量信息后，可以将检测结果传输至本发明所提供监测系统的余量提示终端，余量提示终端的具体结构可以参考图7-9理解。
图7为图2中余量提示终端的一种具体实施例的结构示意图；图8为图7的仰视图；图9为图7的立体结构示意图。
余量提示终端30与上述的检测装置配合使用，检测装置检测出钢瓶的重量后，将检测的数据传输至余量提示终端30，余量提示终端30可以做出显示、警示等，以提示用户。
具体到本实施例中，余量提示终端30包括前盖31和后盖32，二者相扣合形成壳体腔，壳体腔内可设置余量显示模块、警示模块、无线数据上传模块中的至少一者。
如图7所示，余量显示模块30的显示条311可以显示于前盖31外表面，以便用户直接观测，显示条311可以采用图中所示的钢瓶加上内部格条的图案方式显示，以更为直观地体现钢瓶内的剩余气量。可以在余量提示终端30内部预设满瓶时的重量值，则根据检测重量值可以获知气体余量。当然，气体余量的计算模块也可以置于检测装置上，将余量结果输出给余量提示终端30也是可以的，即图2中所示的检测结果并不限于直接检测的重量值，也可以是余量值。相较而言，设于余量提示终端30更易于布置。
从图7可看出，该余量提示终端30同时设置了警示模块，警示模块的报警灯显示于前盖31的外表面。当余量不足时，报警灯可以闪烁以提示用 户，这里的余量不足，可以进行设定，也可以分档设置，例如不足、严重不足等，并配备相应的报警灯光，例如黄色、红色灯，以示区分。除了余量不足报警，当气体出现泄漏时，同时配置气体泄漏检测元件，警示模块还可以根据气体泄漏的信号进行报警，以进一步提高安全性能。
余量提示终端30设置无线数据上传模块时，无线数据上传模块可以将数据传输至计算机或手机(例如手机APP)，则用户可以远程监控钢瓶的气体余量状态，从而提升用户体验。当然，无线数据传输模块、警示模块以及余量显示模块三者，只要具备一者，即实现了对余量的提前预判功能。
另外，如图7所示，余量提示终端30上还设有自检、SOS、设置按钮。按下自检按钮，可以测试监测装置各部分功能是否正常；SOS按钮，可以选择设置为提供叫气服务，或紧急呼救，或寻求固定手机号码帮助等功能；“设置”按钮可以对监测装置进行基础设置。
另外，除了报警灯，还设有WIFI信号灯和电源信号灯。WIFI信号灯可以显示当前WIFI连接通讯情况，明确无线数据上传模块的工作是否顺畅；电源信号灯显示当前监测装置的供电状况。
另外，余量提示终端30还设有气体检测孔12，可以对天然气液化气等进行检测，浓度超标时，警示模块可以报警。气体检测孔12还可以起到通风散热的作用，延长内部元器件的使用寿命。气体检测孔312具体可以设于前盖31的两侧以及底部，如图7所示。
余量提示终端30的底部可以设有安装板33，安装板33便于将余量提示终端30安装于易于观测的位置，例如墙壁或是橱柜等位置。
余量提示终端30的壳体上可以设置电源插头313，以插入插座中。当然，余量提示终端30也可以直接配备电池。如上所述，余量提示终端30可以固定在墙壁或其他通常设有插座的位置，则此时设置电源插头313易于获得持续的供电。
从以上描述可看出，由于本发明所提供的监测系统，包括能够检测到液化石油气钢瓶重量的检测装置，该检测装置同时又能够把检测的数据反馈给余量提示终端，从而便于用户查看余量信息，提前预判钢瓶内液化石油气的余量。因此，原则上检测装置只要能够检测出钢瓶的重量即可，故 支撑液化石油气钢瓶100的支撑部并不限于上述的环形主体1，例如可以是未设中心孔的称本体。当然，环形主体1作为支撑部具有相应的技术效果，此处不再赘述。
以上对本发明所提供的一种液化石油气钢瓶气体余量检测系统进行了详细介绍。本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。

Claims (14)

  1. 一种液化石油气钢瓶气体余量的监测装置，其特征在于，所述监测装置包括具有中心孔(14)的环形主体(1)，所述液化石油气钢瓶的底座(102)插入所述中心孔(14)内，并支撑于所述环形主体(1)上；所述环形主体(1)设有重量检测元件。
  2. 如权利要求1所述的液化石油气钢瓶气体余量的监测装置，其特征在于，所述环形主体(1)的外周设有内凹部(18)。
  3. 如权利要求1所述的液化石油气钢瓶气体余量的监测装置，其特征在于，所述环形主体(1)包括相扣合形成封闭型腔(13)的上盖(11)和下盖(12)、所述重量检测元件设于所述封闭型腔(13)内。
  4. 如权利要求3所述的液化石油气钢瓶气体余量的监测装置，其特征在于，所述重量检测元件包括称重数据采集板(21)和数据传输板(22)。
  5. 如权利要求3所述的液化石油气钢瓶气体余量的监测装置，其特征在于，所述封闭型腔内(13)设有电池仓(24)，所述电池仓(24)内置放供电至所述重量检测元件的电池(23)。
  6. 如权利要求3所述的液化石油气钢瓶气体余量的监测装置，其特征在于，所述上盖(11)与所述下盖(12)采用螺接或卡钩连接，形成所述封闭型腔(13)。
  7. 如权利要求1-6任一项所述的液化石油气钢瓶气体余量的监测装置，其特征在于，所述环形主体(1)内周设置有环形的支撑斜面(15)，用于配合支撑所述液化石油钢瓶(100)底部的圆弧过渡面(101)。
  8. 如权利要求7所述的液化石油气钢瓶气体余量的监测装置，其特征在于，所述支撑斜面(15)内均布设有磁钉(16)。
  9. 如权利要求1-6任一项所述的液化石油气钢瓶气体余量的监测装置，其特征在于，所述环形主体(1)的底部安装有脚轮(19)。
  10. 一种液化石油气钢瓶气体余量的监测系统，其特征在于，包括检测装置和余量提示终端(30)，所述检测装置包括支撑液化石油气钢瓶(100)的支撑部，所述支撑部设有检测所述液化石油气钢瓶(100)重量的重量检 测元件，所述重量检测元件输出检测结果至所述余量提示终端(30)；所述检测装置为权利要求1-9任一项所述的监测装置。
  11. 如权利要求10所述的液化石油气钢瓶气体余量的监测系统，其特征在于，所述余量提示终端(30)具有警示模块、余量显示模块、无线数据上传模块中的至少一者，所述无线数据上传模块能够上传余量数据至手机或计算机。
  12. 如权利要求11所述的液化石油气钢瓶气体余量的监测系统，其特征在于，所述余量提示终端(30)包括前盖(31)和后盖(32)，二者扣合形成壳体腔，所述警示模块、所述余量显示模块以及所述无线数据上传模块，设置于所述壳体腔内。
  13. 如权利要求12所述的液化石油气钢瓶气体余量的监测系统，其特征在于，所述后盖(32)的底部设有安装板(33)，用于安装固定所述余量提示终端(30)。
  14. 如权利要求12所述的液化石油气钢瓶气体余量的监测系统，其特征在于，所述余量提示终端(30)设有气体检测孔(12)，所述气体检测孔(12)检测气体浓度超标时，所述警示模块报警。
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