CN1150226A - Automatic fluid-supply apparatus for boiler system - Google Patents
Automatic fluid-supply apparatus for boiler system Download PDFInfo
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- CN1150226A CN1150226A CN 95120278 CN95120278A CN1150226A CN 1150226 A CN1150226 A CN 1150226A CN 95120278 CN95120278 CN 95120278 CN 95120278 A CN95120278 A CN 95120278A CN 1150226 A CN1150226 A CN 1150226A
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- fluid
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Abstract
An automatic fluid-supply apparatus for a boiler system automatically controls an amount of fluid being supplied to a fluid tank of the boiler system. The automatic fluid-supply apparatus is provided with a flux detecting portion which comprises a rotor assembly disposed inside a fluid-supply pipe to rotate in proportion to the flux of the fluid flowing from a fluid-supply source to the fluid tank and a Hall sensor disposed close to the rotor assembly at an outer surface of the fluid tank. The Hall sensor is intermittently turned ON/OFF in response to permanent magnets provided to the rotor assembly. A controller compares the ON/OFF frequency with a present ON/OFF frequency range and transmits an ON/OFF signal to a solenoid valve.
Description
The present invention relates to a kind of fluid supply apparatus of steam generator system, more particularly, relate to a kind of steam generator system and supply with the device of fluid automatically, this device detects the fluid flow that flows to fluid container from fluid provider, above-mentioned detected value and the range of flow that presets are compared, and the Fluid Volume of fluid container is sent in control automatically.
Usually, in steam generator system, the heat that utilizes fuel (as coal gas, oil etc.) burning to produce heats the fluid as water and so on.Make the fluid circulation of having heated by means of a pump.The fluid that has warmed up is used for to dwelling house or space heating, perhaps to dwelling house or building hot-water supply.In above-mentioned steam generator system, make fluid flow to fluid container through liquid feed pump from fluid provider.The fluid that is supplied to fluid container by means of pump through fluid discharge pipe, heat exchanger and heat supplying pipeline systemic circulation, thereby the dwelling house that the heat supplying pipeline system is housed or the indoor temperature of building are raise.
In this steam generator system, owing to, be very important so supply with an amount of fluid to steam generator system from fluid provider supply and directly relevant with the efficiency of heating surface of this steam generator system through the fluid of steam generator system circulation.
Fig. 4 shows a kind of existing steam generator system fluid supply apparatus.
As shown in Figure 4, existing steam generator system fluid supply apparatus 500 has a fluid supply line 550 that communicates with the fluid provider (not shown), and this fluid supply line 550 provides one to make the mobile passage of fluid that flows out from fluid provider.Fluid container 510 communicates with fluid supply tube 550, and fluid container 510 receives the fluid of supplying with by fluid supply line 550.Fluid discharge pipe 560 communicates with fluid container 510, and this fluid discharge pipe 560 enters the heating system (not shown) with the fluid in the fluid container 510.Above-mentioned fluid container 510 is provided with overflow pipe 540, and overflow pipe 540 is discharged fluid unnecessary in the fluid container 510.Fluid container 510 also is equipped with fluid level detection part 530, the fluid level in these fluid level detection part 530 test fluid containers 510.
Fluid level detection part 530 has a float 520 that changes up and move according to fluid level down.Bar 522 links to each other with float 520, and an end of bar is equipped with magnet.Bar 522 moving up and moving down according to float 520.A Hall element (Hall sensor) 524 is housed on the top of fluid container 510 inwalls, and this sensor links to each other with controller 570.Above-mentioned controller links to each other with magnetic valve 580.
Magnet control Hall element 524 on/off of bar 522.That is to say that when the distance of magnet and Hall element 524 was close to preset distance, because the magneticaction of magnet, Hall element 524 was connected, the signal that Hall element 524 produces is sent to controller.In view of the above, controller control magnetic valve 580 cuts out it, thereby stops accommodating fluid in fluid container 510.Otherwise if magnet moves towards the direction away from Hall element 524, Hall element 524 disconnects, and controller control magnetic valve makes its unlatching, therefore, and again to fluid container 510 accommodating fluids.
In existing steam generator system fluid supply apparatus with said structure, when the fluid level of fluid container 510 was lower than the position of float 520, because magnetic valve 580 is opened, fluid flowed to fluid container 510 from fluid provider.And when the liquid level of fluid container 510 rose to the position of float 520, because the proportion of float 520 is less than the proportion of fluid, corresponding to the rising of fluid level, float 520 moved up.Therefore, bar 522 moves up, and the magnet that is arranged on bar 522 upper ends is near Hall element 524.When magnet near Hall element 524 within preset distance the time because the magneticaction of magnet, Hall element 524 is connected, the signal that Hall element 524 produces is sent to controller.According to above-mentioned signal of sending out, controller control is arranged on the magnetic valve 580 between fluid provider and the fluid supply line 550, and it is closed, and therefore, stops to supply with fluid to fluid container 510.
On the other hand, cut off the fluid supply tube 550 3-4 time-delay of second of having an appointment fully owing to begin that from Hall element 524 magnet is responded magnetic valve 580, supplying with the fluid of fluid container 510 may too much in this case, will supply too much fluid by overflow pipe 540 and discharge.
Owing to fluid is discharged or evaporation when making the fluid level of fluid container 510 reduce under the position of float 520, move down corresponding to fluid level decline float 520, therefore, the direction that Hall element 524 leaves in magnet court moves.Hall element 524 disconnects, and controller control magnetic valve 580 makes its unlatching.
But, in the existing fluid supply apparatus of the steam generator system of structure as mentioned above, because above-mentioned Hall element 524 is a kind of sensitive electrical devices, it is installed in the top of fluid container 510 inwalls, some material such as moisture often are easy to attached on the Hall element 524, so the functional reliability of Hall element 524 may reduce.
In addition, in existing steam generator system fluid supply apparatus, in order to discharge fluid too much in the fluid container 510 in case the fluid stopping body contact with Hall element, the fluid container 510 of overflow pipe 540 must being packed into, therefore, apparatus structure complexity, manufacturing cost height.
Moreover, because too much fluid drains into outside the steam generator system by overflow pipe 540 in the fluid container 510, can not utilize the fluid of discharge once more, therefore cause fluid wastage.
The present invention tries hard to overcome existing above-mentioned shortcoming and many other weak points in the prior art.
In view of the above, the automatic fluid-supply apparatus that the purpose of this invention is to provide a kind of steam generator system, this device detects the fluid flow that flows to fluid container from fluid provider, above-mentioned detected value and the range of flow that presets are compared, and automatically control the Fluid Volume of incoming fluid container, thereby can guarantee that it is reliable, manufacturing cost is lower, and can avoid the unnecessary waste of fluid.
In order to realize above-mentioned purpose of the present invention, the steam generator system automatic fluid-supply apparatus that is provided preferably includes: a fluid supply line that communicates with fluid provider, this pipe are provided with provides the mobile passage of fluid that flows out from fluid provider; The fluid container of the fluid supplied with by this fluid supply tube of communicating with fluid supply tube and receive; One communicates with fluid container and the fluid in the fluid container to be entered the fluid discharge pipe of heating system; Detection flow to the equipment of the fluid flow of fluid container from fluid provider; One is arranged between fluid provider and the fluid supply line and the mobile valve of control fluid therebetween; And controller that connects above-mentioned flow detection equipment and valve, the described flow detection Equipment Inspection that this controller will be passed to it to flow compare with the range of flow that presets therein, and the On/Off signal is sent to above-mentioned valve, wherein, when the flow detection Equipment Inspection to flow with the range of flow that presets when inconsistent, valve opening, supply with fluid to fluid container, and in detected flow drops on the range of flow that presets the time, valve closing stops to supply with fluid to fluid container.
Above-mentioned fluid detection equipment comprises a rotor assembly and a Hall element, rotor assembly is arranged in the fluid supply line, rotate so that make rotor accompany or follow the fluid flow that fluid provider flow to fluid container, above-mentioned Hall element is arranged on the outer surface of fluid container near the rotor assembly part with being directly proportional.Rotor assembly comprises an axle and a plurality ofly is fixed on blade on the axle with equi-angularly space, on the seamed edge of every blade a permanent magnet is housed.
One end of fluid supply line passes the bottom-up extension of fluid container, this fluid supply line also comprises one first unilateral bearing (one-way bearing) and one second unilateral bearing, they are arranged on the far-end of fluid supply line inwall with facing each other, and insert respectively in first and second unilateral bearings at the two ends of axle.
Hall element in permanent magnet on/off intermittently, and is delivered to controller with the on/off signal according to the rotation response of rotor assembly.
According to above-mentioned preferred form of the present invention, fluid is admitted to fluid container from fluid provider through fluid supply line, sends into the fluid of fluid container and crosses fluid discharge pipe, heat exchanger and heat supplying pipeline system by means of the pump circular flow, turns back to fluid supply line again.
The fluid that flows through fluid supply line rotates the rotor assembly that is arranged in the fluid supply line.When rotor assembly rotates, be installed on the seamed edge of each blade of rotor assembly permanent magnet discontinuously near and deviate from Hall element, therefore, Hall element is on/off intermittently.
When fluid was full of fluid container, the rotating speed of rotor assembly kept evenly, and therefore, the on-off frequency of Hall element also keeps even.In view of the above, controller makes valve keep closed condition, thereby stops to supply with fluid to fluid container.
Otherwise in the time of under the fluid level of fluid container is reduced to the rotor assembly position, because fluid resistance reduces in the fluid container, the fluid that flows increases the rotating speed of rotor assembly, and therefore, the on-off frequency of Hall element also increases.In view of the above, controller makes valve opening, and beginning is supplied with fluid to fluid container.
When making fluid charge into fluid container owing to the above-mentioned process of accommodating fluid again, because fluid resistance increases in the fluid container, the fluid that flows reduces the rotating speed of rotor assembly once more, and therefore, the on-off frequency of Hall element also reduces.Thereby controller valve-off once more.
Therefore, according to said structure of the present invention, because Hall element is arranged on the outer wall of fluid container, that is to say, the wall of fluid container separates the moisture of Hall element and internal tank, can keep the functional reliability of Hall element, thereby can guarantee steam generator system stable operation.
In addition, according to said structure of the present invention, owing to needn't in fluid container, be equipped with parts (as overflow pipe) with the discharge of fluid too much in the fluid container, this fluid supply apparatus relatively simple for structure, so manufacturing cost is lower.
Moreover, owing to there is not too much fluid to discharge steam generator system, therefore, do not waste fluid.
Those of ordinary skills can deeper understand the present invention by following description to accompanying drawing, and its purpose and advantage will be more apparent.In the accompanying drawing:
Fig. 1 is used for the schematic diagram of a preferred embodiment of the automatic fluid-supply apparatus of steam generator system for the present invention;
Fig. 2 is the enlarged perspective of the rotor assembly shown in Fig. 1;
Fig. 3 is used for the control procedure flow chart of controller of the automatic fluid-supply apparatus preferred embodiment of steam generator system for the present invention;
Fig. 4 is the schematic diagram of the existing fluid supply apparatus of steam generator system.
Hereinafter with reference to accompanying drawing the preferred embodiment of the present invention is described in detail.
Hereinafter will describe the present invention in conjunction with the accompanying drawings.
Fig. 1 to Fig. 3 shows a preferred embodiment that is used for the automatic fluid-supply apparatus 100 of steam generator system according to of the present invention.
Referring to Fig. 1 to 3, the automatic fluid-supply apparatus 100 that is used for steam generator system according to the present invention comprises 110, fluid discharge pipes 150 of 140, one fluid containers of a fluid supply line, 200, one magnetic valves 180 of flow detection parts and a controller 160.
Fluid supply line 140 communicates with the fluid provider (not shown), and it provides a passage for the fluid from fluid provider.The magnetic valve 180 that the fluid flow of fluid supply line 140 is flow through in control is loaded between fluid provider and the fluid supply line 140.Fluid container 110 communicates with fluid supply line 140, and receives the fluid of being supplied with by fluid supply line 140.Fluid discharge pipe 150 communicates with fluid container 110, and it enters the heating system (not shown) with the fluid in the fluid container 110.
Detection flows to the fluid flow of fluid container 110 from fluid provider flow detection parts 200 comprise rotor assembly 120 and Hall element, above-mentioned rotor assembly is arranged on the inside of fluid supply line 140, so that the fluid flow that makes rotor retinue fluid provider flow to fluid container 110 rotates with being directly proportional, Hall element is arranged on the outer surface of fluid container 110 near rotor assembly 120 parts.Rotor assembly 120 comprises axle 126 and a plurality of blade 122a, 122b, 122c or 122d, above-mentioned blade with the equal angles spacing be fixed on the axle 126 on, on the seamed edge of every blade 122a, 122b, 122c or 122d permanent magnet 124a, 124b, 124c or a 124d are arranged all.
The rotor assembly 120 that has four blade 122a, 122b, 122c and 122d has been shown among Fig. 2, and certainly, this rotor assembly 120 also can have six blades.In this case, because the number of responses between magnet 124a, 124b, 124c and 124d and the Hall element 130 increases in rotor assembly 200 each commentaries on classics, relatively can control the supply of fluid more accurately according to more detailed data.
One end of fluid supply line 140 passes fluid container 110 bottom-up extensions.First and second unilateral bearings (one-way bearing) 170a and 170b are arranged on the far-end of fluid supply line 140 inwalls with facing each other.Insert respectively among the first and second unilateral bearing 170a and the 170b at the two ends of axle 126.
The axle 126 of rotor assembly 200 is by the supporting of first and second unilateral bearings, and above-mentioned by this way axle can only rotate towards a direction.So, when fluid when the fluid supply line 140 incoming fluid containers 110,200 of rotor assembly rotate towards a direction.
Hall element 130 according to the rotation response of rotor assembly 120 in permanent magnet 124a, 124b, 124c and 124d on/off intermittently.
Controller 160 links to each other with Hall element 130 and magnetic valve 180.Controller 160 will be compared by detected on/off frequency of flow detection parts and the inner frequency range that presets, and the on/off signal is delivered to magnetic valve 180.
Ruuning situation to the preferred embodiment of steam generator system automatic fluid-supply apparatus 100 of the present invention with said structure is described below.
Fluid flows out from fluid provider, through fluid supply line 140 incoming fluid containers 110.Send into the fluid of fluid container 110 and cross fluid discharge pipe 150, heat exchanger (not shown) and heating power pipe-line system (not shown), turn back to fluid supply line 140 again by the effect circular flow of pump.
During fluid flows body supply pipe 140, the rotor assembly 120 that is arranged on fluid supply line 140 inside rotates according to flowing of fluid.When rotor assembly 120 rotates, be contained on the seamed edge of each blade 122a, 122b, 122c and 122d of rotor assembly 120 permanent magnet 124a, 124b, 124c and 124d discontinuously near and away from Hall element 130, therefore, Hall element 130 on/off intermittently.
When fluid is full of fluid container 110, the rotating speed that is rotated by the mobile rotor assembly that causes 120 of fluid keeps evenly, and therefore, the on-off frequency of Hall element 130 also keeps even, therefore controller 160 makes valve keep cutting out, and stops to fluid container 110 accommodating fluids.
Otherwise, when the fluid level of fluid container 110 was reduced under the position of rotor assembly 120, because fluid resistance reduces in the fluid container 110, the fluid that flows increased the velocity of rotation of rotor assembly 120, therefore, the on-off frequency of Hall element 130 also increases.In view of the above, controller 160 Open valves, beginning is supplied with fluid to fluid container 110.
By supplying with fluid once more to fluid container, fluid container 110 has charged into fluid again, because fluid resistance increases in the fluid container 110, fluid flows the speed of rotor assembly 120 rotations is reduced once more, and therefore, the on-off frequency of Hall element 130 also reduces.In view of the above, controller 160 valve-off once more.
Fig. 3 shows the flow process of the control procedure of the controller 160 in the steam generator system that automatic fluid-supply apparatus 100 of the present invention is housed.
As shown in Figure 3, in controller 160, preset the on/off frequency range of Hall element 130, this scope represents that steam generator system is in normal operating conditions.In this state, during steam generator system work, the on/off frequency of Hall element 130 is sent to controller 160.Controller 160 compares on/off frequency that is sent to and the on/off frequency range that presets.When on/off frequency range that the on/off frequency departure that is sent to presets, controller 160 sends start signal to magnetic valve 180, and therefore, magnetic valve 180 is opened, and supplies with fluids to fluid container 110.
When the on/off frequency that is sent to is in when presetting within the on/off frequency range, controller 160 sends shutdown signal to magnetic valve 180, and therefore, magnetic valve 180 cuts out, and does not supply with fluids to fluid container 110.
As long as boiler work, the above-mentioned control procedure of repetitive controller always just.
As mentioned above, according to the present invention as above-mentioned structure, because Hall element 130 is arranged on the outer wall of fluid container 110, the wall of fluid container 110 becomes to separate with container 110 inner humidities with Hall element 130, the functional reliability that can keep Hall element 130, therefore, can guarantee steam generator system stable operation.
In addition, according to the present invention as above-mentioned structure, owing to needn't be equipped with the parts (as overflow pipe) that fluid too much in the fluid container is discharged in fluid container, this fluid supply apparatus structure is simpler, and therefore, cost is lower.
Moreover, owing to there is not too much fluid to discharge steam generator system,, do not waste fluid because of a little.
Specify and describe though in conjunction with specific embodiments the present invention has been made above; those of ordinary skills should understand; under the prerequisite that does not exceed the design of the present invention that limits by accompanying Claim and protection domain, can make various changes in form and details.
Claims (7)
1, a kind of steam generator system automatic fluid-supply apparatus comprises:
A fluid supply line that communicates with fluid provider and flow channel is provided for the fluid that flows out from fluid provider;
The fluid container of the fluid supplied with by this fluid supply tube of communicating with described fluid supply tube and receive;
One communicates with fluid container and the fluid in the fluid container to be entered the fluid discharge pipe of heating system;
Detection flow to the equipment of the fluid flow of fluid container from fluid provider;
One is arranged between fluid provider and the fluid supply line and the mobile valve of control fluid therebetween; And
A controller that connects described flow detection equipment and valve, this controller will be sent to wherein by the flow detection Equipment Inspection to flow compare with the range of flow that wherein presets, and the On/Off signal is sent to valve,
Wherein when the flow detection Equipment Inspection to flow with the range of flow that presets when inconsistent, above-mentioned valve opening is supplied with fluid to fluid container, and when detected flow drops on the range of flow that presets in the time, valve closing stops to fluid container supply fluid.
2, steam generator system automatic fluid-supply apparatus as claimed in claim 1, wherein said fluid detection equipment comprises a rotor assembly and a Hall element, described rotor assembly is arranged in the described fluid supply line, rotate so that make rotor accompany or follow the fluid flow that described fluid provider flow to fluid container, described Hall element is arranged on the outer surface of described fluid container near the rotor assembly part with being directly proportional.
3, steam generator system automatic fluid-supply apparatus as claimed in claim 2, wherein said rotor assembly comprise an axle and somely are fixed on blade on this with equi-angularly space, on the seamed edge of every blade a permanent magnet be housed.
4, steam generator system automatic fluid-supply apparatus as claimed in claim 3, one end of wherein said fluid supply line passes the bottom-up extension of fluid container, this fluid supply line also comprises one first unilateral bearing and one second unilateral bearing, they are arranged on the far-end of fluid supply line inwall with facing each other, and insert respectively in first and second unilateral bearings at the two ends of described axle.
5, steam generator system automatic fluid-supply apparatus as claimed in claim 3, wherein Hall element in permanent magnet on/off intermittently, and is delivered to controller with the on/off signal according to the rotation response of rotor assembly.
6, steam generator system automatic fluid-supply apparatus as claimed in claim 3, wherein said rotor assembly has four blades.
7, steam generator system automatic fluid-supply apparatus as claimed in claim 3, wherein said rotor assembly has six blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95120278 CN1150226A (en) | 1995-11-11 | 1995-11-11 | Automatic fluid-supply apparatus for boiler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95120278 CN1150226A (en) | 1995-11-11 | 1995-11-11 | Automatic fluid-supply apparatus for boiler system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1150226A true CN1150226A (en) | 1997-05-21 |
Family
ID=5082272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95120278 Pending CN1150226A (en) | 1995-11-11 | 1995-11-11 | Automatic fluid-supply apparatus for boiler system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1150226A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394017A (en) * | 2016-08-29 | 2017-02-15 | 安徽奥斯博医疗仪器设备有限公司 | Printing consumables non-contact's response recognition device |
| CN107415548A (en) * | 2017-04-19 | 2017-12-01 | 江勇 | A kind of teaching cleaning type blackboard |
| CN107960916A (en) * | 2016-10-20 | 2018-04-27 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, flow control methods and volume control device |
-
1995
- 1995-11-11 CN CN 95120278 patent/CN1150226A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394017A (en) * | 2016-08-29 | 2017-02-15 | 安徽奥斯博医疗仪器设备有限公司 | Printing consumables non-contact's response recognition device |
| CN106394017B (en) * | 2016-08-29 | 2019-04-23 | 安徽奥斯博医疗仪器设备有限公司 | Printing consumables non-contact's response recognition device |
| CN107960916A (en) * | 2016-10-20 | 2018-04-27 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, flow control methods and volume control device |
| CN107960916B (en) * | 2016-10-20 | 2023-08-29 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, flow control method and flow control device |
| CN107415548A (en) * | 2017-04-19 | 2017-12-01 | 江勇 | A kind of teaching cleaning type blackboard |
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