CN107831798A - The early warning system and method for early warning of Stress control are realized using flowmeter pulses - Google Patents

The early warning system and method for early warning of Stress control are realized using flowmeter pulses Download PDF

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Publication number
CN107831798A
CN107831798A CN201711126381.8A CN201711126381A CN107831798A CN 107831798 A CN107831798 A CN 107831798A CN 201711126381 A CN201711126381 A CN 201711126381A CN 107831798 A CN107831798 A CN 107831798A
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CN
China
Prior art keywords
pressure
real
flowmeter
early warning
capsule
Prior art date
Application number
CN201711126381.8A
Other languages
Chinese (zh)
Inventor
程晶
李观生
Original Assignee
无锡鼎加弘思饮品科技有限公司
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Priority to CN201711126381.8A priority Critical patent/CN107831798A/en
Publication of CN107831798A publication Critical patent/CN107831798A/en

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Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00Control of fluid pressure
    • G05D16/20Control of fluid pressure characterised by the use of electric means
    • G05D16/2006Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2026Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means

Abstract

The invention discloses a kind of by that by flowmeter pulses the early warning system of control capsule pressure can be realized come the method for early warning to capsule real-time pressure, pressure value of the pressure inside beverage machine is calculated using the pulse signal of flowmeter, realizes pressure detection;The problem of using the flow velocity and pressure curve relation of electromagnetic pump to correct pressure divergence;Using the pressure relief pipe and compression relief cock in the real-time control piper of the pressure detected, the Maximum safe pressure of beverage machine is controlled;The pressure value needed for capsule drink is realized using pressure detection, to ensure the constant of extracting pressure, fundamentally solve the problems, such as because capsule product quality either various external condition reasons cause capsule block or can not normal water outlet when internal pressure raise, the personal safety of user is ensure that, eliminates potential safety hazard.

Description

The early warning system and method for early warning of Stress control are realized using flowmeter pulses

Technical field

The invention belongs to solid beverage drink equipment technical field, and in particular to one kind realizes control using flowmeter pulses The early warning system and its method for early warning of capsule pressure.

Background technology

At present, most capsule brews or the extraction equipment of capsule drink, is all to utilize electromagnetic pump or similar electricity The mode of magnetic pumping injects water to the extraction container of capsule or drink, and water carries out the mode of choked flow in capsule or container to water Allow in capsule or container and form certain pressure, obtain the pressure extraction needed for the food materials of different drinks and go out one glass of drink;Together When, the beverage machine of most capsule either class capsule-type does not all account for the stopping state of capsule or class capsule product; Because capsule product quality either various external condition reasons cause capsule block or can not normal water outlet situation, Cause very high pressure inside capsule or beverage machine be present, found by experiment, this pressure energy reaches 15-20bar, deposited In the huge hidden danger to personal safety;Furthermore liquid-pressure pick-up of the prior art, volume is larger, it is less able to existing Have and installed on the beverage machine of household appliances, while also result in the complexity of beverage machine, packaging technology is more complicated.

Chinese utility model patent " capsule coffee machine " (Authorization Notice No.:CN203873569U;The day for announcing: 2014.10.15 a kind of capsule coffee machine, including the shell with water tank) are disclosed, the side of shell is provided with outlet component, gone out Water assembly is provided with capsule seat, and flowmeter, water pump, boiler, magnetic valve and control unit, the water inlet of flowmeter are provided with shell It is connected with water tank, the delivery outlet of flowmeter is connected with flowmeter, water pump, boiler, magnetic valve successively, and magnetic valve is located at capsule seat Top, magnetic valve are connected by return pipe with water tank, and control unit includes key-press module and the control board being connected with each other, control Circuit board processed is connected with flowmeter, water pump, boiler, magnetic valve respectively, and capsule seat is provided with storage tank, houses trench bottom and water outlet Component is connected, and capsule coffee or prescription cup are placed with storage tank, and the path of return pipe is provided with to be returned for limiting magnetic valve The mechanism that blocks water of backwater and steam flow rate.Although the utility model simplifies the structure of beverage machine so that packaging technology becomes letter Single, still, for the quality because of capsule product, either various external condition reasons cause capsule blocking or can not be just The situation of normal water outlet, cause very high pressure inside capsule or beverage machine be present, the huge hidden danger to personal safety be present This problem is not resolved all the time.

Therefore, those skilled in the art, which are directed to design one kind, to realize control capsule pressure by flowmeter pulses Early warning system and the method for early warning using the early warning system, to solve the quality or various outer because of capsule product Portion's condition reason cause capsule block or can not normal water outlet when internal pressure raise the problem of, to ensure user the person Safety is significant.

The content of the invention

It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention Main purpose is to provide a kind of can realize the early warning system of control capsule pressure and using should by flowmeter pulses The method for early warning of early warning system, it is intended to solve because the quality of capsule product or various external condition reasons cause capsule Block or can not normal water outlet when internal pressure raise the problem of.

The purpose of the present invention is achieved through the following technical solutions:

It is a kind of the early warning system of control capsule pressure to be realized by flowmeter pulses, including be internally provided with and can compile The control panel of range controller, power supply and the water tank being sequentially connected in series by water-supply-pipe, flowmeter, electromagnetic pump, boiler, extraction Take portion, relief valve and waste water tank;The control panel, electromagnetic pump and the boiler are connected with the power supply;The water tank, flow Meter, boiler and the extraction portion are electrically connected with the control panel.

Further, it is also associated with warning device on the power supply;The warning device is light alarm, acoustic alarm and acousto-optic report Any one in police.

Further, display screen and input button are additionally provided with the control panel;The input button and the display Screen is electrically connected with the programmable controller in control panel.

Preferably, the programmable controller is PLC.

Preferably, the display screen is any one in LCDs and touch-screen.

Method for early warning using flowmeter pulses control capsule pressure, its specific steps are realized by above-mentioned early warning system Including:

F), turn on the power, according to different drink species, different pressure set points α is set by control panel;According to Flow pulse performance plot is programmed to obtain default operation program to programmable controller, and default operation program, which is stored in, to be compiled In range controller;

G), the programmable controller in control panel controls boiler to be preheated according to default operation program, reaches default After time, programme-control electromagnetic pump is started working;

H), flowmeter proceeds by pulse detection, and pulse signal is sent to the programmable controller in control panel Interior, programmable controller carries out sequential operation according to default operation program and draws real-time pressure value β, and by real-time pressure value β with Pressure preset α in step A is compared judgement;If real-time pressure value β is less than pressure preset α, control panel control Electromagnetic pump accelerates electromagnetism flow rate pump according to electromagnetic pump pressure flow relation curve and realizes increasing pump discharge automatically, so as to increase extraction Pressure power, reach the pressure value needed for capsule drink, ensure the constant of extracting pressure;

I) if computing show that real-time pressure value β is more than pressure preset α in step C, control panel control relief valve is beaten Drive the regulation of row real-time pressure into, and control electromagnetic pump to reduce electromagnetic pump automatically according to the flow velocity and pressure curve relation of electromagnetic pump Flow velocity, which is realized, reduces pump discharge, and so as to reduce real-time pressure, pulse detection is re-started by flowmeter after regulation, presets fortune Calculating program, computing draws real-time pressure value β 1 again, and real-time pressure value β 1 is re-started with pressure preset α and compared to determine;

J) if, the real-time pressure value β 1 that computing is drawn in step D be less than pressure preset α, repeat step C;If in real time Pressure value β 1 is more than pressure preset α, then warning device sends alarm signal, while control panel control electromagnetic pump, flowmeter And boiler is stopped.

Further, the relief valve in step D is in normally off.

Further, flowed into step D from the water or solution of relief valve discharge in waste water tank.

Compared with prior art, the present invention at least has advantages below:

The present invention by flowmeter pulses by that can realize the early warning system of control capsule pressure come real-time to capsule The method for early warning of pressure, pressure value of the pressure inside beverage machine is calculated using the pulse signal of flowmeter, realizes pressure Force detection;The problem of using the flow velocity and pressure curve relation of electromagnetic pump to correct pressure divergence;Utilize the pressure detected Pressure relief pipe and compression relief cock in real-time control piper, control the Maximum safe pressure of beverage machine;Using pressure detection come real Pressure value needed for existing capsule drink, to ensure the constant of extracting pressure, fundamentally solve because capsule product quality or The various external condition reasons of person cause capsule block or can not normal water outlet when internal pressure raise the problem of, ensure The personal safety of user, eliminates potential safety hazard.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Structure according to these accompanying drawings obtains other accompanying drawings.

Fig. 1 is the control circuit figure of the early warning system that Stress control is realized using flowmeter pulses in the present invention;

Fig. 2 is that can realize that the early warning system of control capsule pressure is pressed by flowmeter pulses using in Fig. 1 The workflow diagram of power early warning;

Fig. 3 is the flow velocity and pressure curve graph of a relation of electromagnetic pump;

Fig. 4 is the flow pulse performance plot of flowmeter;

Fig. 5 is traffic pulse figure.

It should be noted that heavy line is water route connection line in Fig. 1, fine line is control connecting line road, and dotted line is electricity Source connection line;Fig. 3, Fig. 4 are the curve map made according to prior art.

Description of reference numerals:1- water tanks;2- flowmeters;3- electromagnetic pumps;4- boilers;5- extractions portion;6- relief valves;7- waste water Case;8- control panels;9- power supplys.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.

Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under the premise of creative work is not made The every other embodiment obtained, belongs to the scope of protection of the invention.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should When particular pose changes, then directionality instruction also correspondingly changes therewith.

In the present invention such as relating to the description of " first ", " second " etc. is only used for describing purpose, and it is not intended that instruction Or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " are defined Feature can express or implicitly include at least one this feature.

In the description of the invention, " multiple " are meant that at least two, such as two, three etc., unless otherwise clear and definite It is specific to limit.

In the present invention, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should be interpreted broadly, For example, " fixation " can be fixedly connected or be detachably connected, or integrally;Can be mechanically connect or Electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internals The interaction relationship of individual element, limited unless otherwise clear and definite.For the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In addition, the technical scheme between each embodiment of the present invention can be combined with each other, but must be general with this area Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize this The combination of technical scheme is not present, also not within the protection domain of application claims.

Embodiment one

As shown in figure 1, the early warning system that Stress control is realized using flowmeter pulses in the present embodiment, including inside are set It is equipped with the control panel, power supply and the water tank being sequentially connected in series by water-supply-pipe, flowmeter, electricity of PLC Magnetic pumping, boiler, extraction portion, relief valve and waste water tank;The control panel, electromagnetic pump and the boiler are connected with the power supply; The water tank, flowmeter, boiler and the extraction portion are electrically connected with the control panel;It is also associated with reporting on the power supply Alarm device;Warning device described in the present embodiment is sound and light alarm;LCDs and defeated is additionally provided with the control panel Enter button;The input button is electrically connected with the display screen and the programmable controller in control panel;

As further preferred, the display screen can also use touch-screen.

Embodiment two

As shown in Fig. 2 capsule pressure is controlled using flowmeter pulses to realize by the early warning system described in embodiment 1 Method for early warning, its specific steps include:

A), turn on the power, according to different drink species, different pressure set points α is set by control panel, comply with one's wishes The pressure set points α of formula concentrated coffee is 9.5bar;Flow pulse performance plot according to Fig. 4 is carried out to programmable controller Programming, default operation program is stored in programmable controller;

B), the programmable controller in control panel controls boiler to be preheated according to default operation program, reaches default After time, programme-control electromagnetic pump is started working;

C), flowmeter proceeds by pulse detection, obtains pulse signal as shown in Figure 5, and pulse signal is sent to In programmable controller in control panel, programmable controller carries out sequential operation according to default operation program and draws real-time pressure Force value β, and real-time pressure value β is judged compared with the pressure preset α in step A;If real-time pressure value β is less than pressure Preset value α, then electromagnetism flow rate pump and pressure curve of the control panel control electromagnetic pump according to Fig. 3 accelerate electromagnetic pump stream automatically Speed, which is realized, increases pump discharge, so as to increase extracting pressure, reaches the pressure value needed for capsule drink, ensures the perseverance of extracting pressure It is fixed;

D) if computing show that real-time pressure value β is more than pressure preset α in step C, control panel control is in normally closed The relief valve of state opens the regulation for carrying out real-time pressure, wherein being flowed into from the water or solution of relief valve discharge in waste water tank, control Panel processed controls electromagnetism flow rate pump and pressure curve relation of the electromagnetic pump according to Fig. 3 to reduce electromagnetism flow rate pump reality automatically simultaneously Now reduce pump discharge, so as to reduce real-time pressure, pulse detection is re-started by flowmeter after regulation, preset operation program Computing draws real-time pressure value β 1 again, and real-time pressure value β 1 is re-started with pressure preset α and compared to determine;

E) if, the real-time pressure value β 1 that computing is drawn in step D be less than pressure preset α, repeat step C;If in real time Pressure value β 1, which appoints, is so more than pressure preset α, then warning device sends alarm signal, while control panel control electromagnetic pump, stream Gauge and boiler are stopped.

Pulse detection is proceeded by according to flowmeter, obtains pulse signal as shown in Figure 5, and pulse signal is sent to In programmable controller in control panel, programmable controller carries out sequential operation according to default operation program and draws real-time pressure Force value β, realize and calculated capsule real-time pressure using the pulse signal of flowmeter, reach the mesh of real-time pressure detecting 's;Real-time pressure value β is judged compared with the pressure preset α in step A, as real-time pressure value β and pressure preset α When having deviation, control panel control electromagnetic pump, which automatically adjusts, corrects the flow velocity of its own, so as to realize the flow velocity using electromagnetic pump The purpose of pressure divergence problem is corrected with pressure curve relation;Meanwhile it is more than pressure preset α feelings in real-time pressure value β Under condition, control panel can also control the relief valve under normally off to open the regulation for carrying out real-time pressure, ensure in capsule Pressure in the range of Maximum safe pressure;When real-time pressure value β is less than pressure preset α, then control panel controls electromagnetism Electromagnetism flow rate pump and pressure curve of the pump according to Fig. 3 accelerate electromagnetism flow rate pump and realize increasing pump discharge automatically, so as to add Big extracting pressure, reach the pressure value needed for capsule drink, ensure the constant of extracting pressure;When being repaiied twice in succession by electromagnetic pump Just and relief valve regulation, the real-time pressure value β of capsule pressure appoints when being so more than pressure preset α, then warning device is sent Alarm signal, while control panel control electromagnetic pump, flowmeter and boiler are stopped, control capsule pressure no longer raises, and protects Demonstrate,prove the personal safety of user.

More than, it is only the preferable embodiment of the present invention, but the protection domain invented is not limited thereto, and it is any ripe Know those skilled in the art the invention discloses technical scope in, the change or replacement that can readily occur in should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by the protection domain of claims.

Claims (8)

1. a kind of early warning system that Stress control is realized using flowmeter pulses, it is characterised in that can be compiled including being internally provided with The control panel of range controller, power supply and the water tank being sequentially connected in series by water-supply-pipe, flowmeter, electromagnetic pump, boiler, extraction Take portion, relief valve and waste water tank;The control panel, electromagnetic pump and the boiler are connected with the power supply;The water tank, flow Meter, boiler and the extraction portion are electrically connected with the control panel.
2. the early warning system according to claim 1 that Stress control is realized using flowmeter pulses, it is characterised in that described Warning device is also associated with power supply;The warning device is any one in light alarm, acoustic alarm and sound and light alarm.
3. the early warning system according to claim 1 or 2 that Stress control is realized using flowmeter pulses, it is characterised in that Display screen and input button are additionally provided with the control panel;In the input button and the display screen and control panel Programmable controller is electrically connected with.
4. the early warning system according to claim 1 that Stress control is realized using flowmeter pulses, it is characterised in that described Programmable controller is PLC.
5. according to the early warning system that Stress control is realized using flowmeter pulses described in claim 3, it is characterised in that institute Display screen is stated as any one in LCDs and touch-screen.
6. a kind of early warning system using described in claim 1 controls the pre- police of capsule pressure to realize using flowmeter pulses Method, it is characterised in that its specific steps includes:
A), turn on the power, according to different drink species, different pressure set points α is set by control panel;According to flow Pulse characteristic figure is programmed to obtain default operation program to programmable controller, and default operation program is stored in into programmable control In device processed;
B), the programmable controller in control panel controls boiler to be preheated according to default operation program, reaches preset time Afterwards, programme-control electromagnetic pump is started working;
C), flowmeter proceeds by pulse detection, and pulse signal is sent in the programmable controller in control panel, can Programmable controller carries out sequential operation according to default operation program and draws real-time pressure value β, and by real-time pressure value β and step A In pressure preset α be compared judgement;If real-time pressure value β is less than pressure preset α, control panel control electromagnetic pump Electromagnetism flow rate pump is accelerated according to electromagnetic pump pressure flow relation curve automatically and realizes increasing pump discharge, so as to increase extraction pressure Power, reach the pressure value needed for capsule drink, ensure the constant of extracting pressure;
D) if computing show that real-time pressure value β is more than pressure preset α in step C, control panel control relief valve open into The regulation of row real-time pressure, and control electromagnetic pump to reduce electromagnetism flow rate pump automatically according to the flow velocity and pressure curve relation of electromagnetic pump Realize and reduce pump discharge, so as to reduce real-time pressure, pulse detection is re-started by flowmeter after regulation, preset computing journey Computing draws real-time pressure value β 1 to sequence again, and real-time pressure value β 1 is re-started with pressure preset α and compared to determine;
E) if, the real-time pressure value β 1 that computing is drawn in step D be less than pressure preset α, repeat step C;If real-time pressure Value β 1 is more than pressure preset α, then warning device sends alarm signal, while control panel control electromagnetic pump, flowmeter and pot Stove is stopped.
7. according to the method for early warning that capsule pressure is controlled using flowmeter pulses described in claim 6, it is characterised in that step Relief valve in rapid D is in normally off.
8. according to the method for early warning that capsule pressure is controlled using flowmeter pulses described in claim 6, it is characterised in that step Flowed into rapid D from the water or solution of relief valve discharge in waste water tank.
CN201711126381.8A 2017-11-15 2017-11-15 The early warning system and method for early warning of Stress control are realized using flowmeter pulses CN107831798A (en)

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CN201711126381.8A CN107831798A (en) 2017-11-15 2017-11-15 The early warning system and method for early warning of Stress control are realized using flowmeter pulses

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