CN203772340U - Alternating filling type liquid flow measuring device - Google Patents
Alternating filling type liquid flow measuring device Download PDFInfo
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- CN203772340U CN203772340U CN201420004756.9U CN201420004756U CN203772340U CN 203772340 U CN203772340 U CN 203772340U CN 201420004756 U CN201420004756 U CN 201420004756U CN 203772340 U CN203772340 U CN 203772340U
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- flow measuring
- valve
- filling type
- measuring device
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Abstract
The utility model relates to an alternating filling type liquid flow measuring device which comprises a plurality of liquid storing tanks, a multi-tandem valve switching driving device and a counting device, wherein an inlet valve, an exhaust valve and an outlet valve are connected onto each liquid storing tank, each inlet valve is connected with a liquid alcohol group fuel input pipeline, each output valve performs outputting through a liquid output pipeline, the controlling end of the multi-tandem valve switching driving device is connected with the inlet valves and the outlet valves, the counting device is used for recording the switching number of the multi-tandem valve switching driving device, and the volumes of the liquid storing tanks are the same. The alternating filling type liquid flow measuring device solves the technical problems that in the prior art, when liquid alcohol group fuel is supplied to each family, the flow measuring is high in cost and bad in reliability, a measuring dead area exists and the constant liquid supplement is influenced. The device has the advantages of being simple in structure and low in cost, and the measuring dead area to intermittent slight flowing does not exist.
Description
Technical field
The utility model relates to a kind of alternately filling type liquid flow measuring device.
Background technology
Liquid, the in the situation that of low pressure (lower than 0.01MPa) and micrometeor (lower than 0.01L/MIN), wants its on-line metering, all needs to adopt comparatively accurate measuring apparatus now.
Liquid alcohol-group fuel be widely used at present diet shelves mouth cook a meal with and household stove for cooking with, heating, its system basic structure is burner and fuel reservoir, the two uses plastic flexible pipe or aluminium-plastic pipe to connect as transmission and distribution pipeline conventionally, and there are valve controlling flow amount and switch in centre.These type of kitchen range generally adopt the feed liquid way of flow by gravity when using liquid alcohol-group fuel.In minute family supply practical application of liquid alcohol-group fuel, conventionally on the transmission and distribution pipeline of burner end or fuel reservoir end, flow measurement device is installed, due to being arranged on highly generally higher than burner 1-2 rice of fuel reservoir, this makes liquid alcohol radical fuel flow in transmission and distribution pipeline present the characteristic of low pressure and micrometeor, causes flow measurement device to occur same operating mode.In existing technical scheme, use volume-displacement head it off, mainly use traditional elliptic gear formula and the wheeled volume-displacement of waist (water meter principle) to measure, this there will be following problem:
1, traditional elliptic gear formula and the wheeled volume-displacement of waist (water meter principle) are accurate flowermeter, owing to measuring object in the technical program, be that liquid alcohol-group fuel has certain corrosivity, therefore need corrosion resistant flow measurement device, this type of flow measurement device cost is high;
2, because metering object is fuel, intimate thousand times far above tap water of its costs, require very high to measuring accuracy.Traditional elliptic gear formula and the wheeled volume-displacement of waist (water meter principle) error are large, poor reliability, need periodic calibration;
3, traditional elliptic gear formula and the wheeled volume-displacement of waist (water meter principle) have dead area in measure process to intermittence, micro-pressure-difference, small flowing;
4, traditional elliptic gear formula and the wheeled volume-displacement of waist (water meter principle) are difficult to on-line maintenance, during its upkeep operation, continuous liquid supply are had to impact.
5, traditional elliptic gear formula and the wheeled volume-displacement of waist (water meter principle) are normal pressure equipment, without decompression, voltage regulation function.In practical engineering application, alcohol-group fuel storage tank is placed in building top layer, measuring apparatus is arranged on different floors, because story height difference causes the pressure of alcohol-group fuel in transmission & distribution pipeline different, make its alcohol-group fuel inlet pressure of kitchen range of different floors different, easily cause combustion instability phenomenon.
Because the existence of these problems, minute family supply of liquid alcohol-group fuel is difficult to realize low-cost, highly reliable, real-time online metering, and then has had influence on pipe networkization dispensing.Therefore need to solve more cost-effectively low cost, highly reliable, the real-time online measurement problem in minute family supply of liquid alcohol-group fuel.
Summary of the invention
In order to solve existing liquid alcohol-group fuel, at minute family, for seasonable flow metering, have that cost is high, poor reliability, have dead area in measure process, affect the technical matters of continuous liquid supply, the utility model provides a kind of filling type liquid flow measuring device that replaces.
Technical solution of the present utility model:
Replace a filling type liquid flow measuring device, its special character is: comprise a plurality of fluid reservoirs, banked direction control valves switching driving device 3 and counting assembly 4;
On each fluid reservoir, be all connected with inlet valve, vent valve, outlet valve, described inlet valve is all connected with liquid alcohol radical fuel inlet pipe, and described outlet valve is all exported through liquid output pipe road,
The control end of described banked direction control valves switching driving device 3 is connected with outlet valve with an inlet valve, and described counting assembly 4 is for recording the switching times of banked direction control valves switching driving device 3;
The volume of described a plurality of fluid reservoirs is identical.
In above-mentioned fluid reservoir, be placed with liquid level sensor, the signal output part of described liquid level sensor is connected with the drive end of banked direction control valves switching driving device 3.
Above-mentioned banked direction control valves switching driving device 3 is hand drive device or Vidacare corp.
Above-mentioned counting assembly 4 is machinery or electronic type.
Above-mentioned fluid reservoir is two.
The material of above-mentioned fluid reservoir tank body is polyether-ether-ketone resin.
Above-mentioned liquid level sensor is float link.
The utility model has advantages of:
1, the utility model flow measurement device is simple in structure, and price is low.
2, the measuring accuracy of measuring apparatus of the present utility model is guaranteed by tank body, and good reliability is non-maintaining.
3, the utility model is to intermittent small mobile without dead area in measure process.
4, the utility model topping up state and extremely short switching time for liquid status is very little on continuous liquid supply impact.
5, the utility model device the setting height(from bottom) of each floor relatively the kitchen range of this layer be a fixed value, cause the different floors in Yi Dong building, the inlet pressure of the alcohol-group fuel of giving different floor kitchen ranges by these measuring apparatus transmission & distribution on kitchen range is identical.This characteristic of this device has solved in prior art scheme different because of story height, and transmission & distribution line pressure difference causes kitchen range alcohol-group fuel inlet pressure difference to cause a difficult problem for combustion instability, can guarantee kitchen range smooth combustion.
Accompanying drawing explanation
Fig. 1 is that the utility model replaces filling type liquid flow measuring device structural representation.
Embodiment
Two fluid reservoirs of take are example:
Measuring apparatus comprises fluid reservoir 1, fluid reservoir 2, banked direction control valves switching driving device 3 and counting assembly 4.
On the tank body 1c of fluid reservoir 1, be provided with inlet valve 1a, vent valve 1b, outlet valve 1e; In tank body 1c, be placed with float link 1d;
On the tank body 2c of fluid reservoir 2, be provided with inlet valve 2a, vent valve 2b, outlet valve 2e; In tank body 2c, be placed with float link 2d; .
Inlet valve 1a, inlet valve 2a are all connected with liquid alcohol radical fuel inlet pipe, and outlet valve 1e, outlet valve 2e all export through liquid output pipe road.
The principle of work of device is as follows:
Fluid reservoir 1 and fluid reservoir 2 structures are just the same, inlet valve 1a, vent valve 1b, outlet valve 1e, inlet valve 2a, vent valve 2b, outlet valve 2e are controlled by banked direction control valves switching driving device 3 in linkage status, and float link 1d, float link 2d indicate respectively the liquid level of tank body 1c and tank body 2c; Counting assembly 4 is for recording the switching times of banked direction control valves.
Inlet valve on a fluid reservoir is opened, outlet valve and exhaust valve closure, and this tank is in topping up state, otherwise this tank is in for liquid status.Its state is completely contrary at one time with valve on fluid reservoir 2 for valve on fluid reservoir 1, can make like this fluid reservoir 1 and fluid reservoir 2 alternately in topping up state with for liquid status under the control of banked direction control valves switching driving device 3.Each switching controls all can be counted device 4 and record, and the reading by counting assembly 4 is according to the demarcation volume of metering liquid storage tank body 1, and both products just can obtain total flow.
Banked direction control valves switching driving device 3 can adopt hand drive, also can adopt electronic.Counting assembly 4 can adopt Mechanical Driven, also can adopt electronic type; The counting assembly 4 of electronic type can also be controlled electronic banked direction control valves switching driving device 3.
For transparent tank body, manually by observing tank level, operate, can be without float link; But by float link, banked direction control valves switching driving device 3 is carried out to mechanical interlocking and can prevent maloperation (for example the tank in topping up state is not full of completely or is not just emptied completely and does and switch in the tank for liquid status).If it is electronic that banked direction control valves switching driving device 3 and counting assembly 4 all adopt, float link can trigger electric switch signal, jointly forms full automatic switching controls.Full automatic electronic switching controls can combine with IC-card, forms the flow management system of pre-payment.
Claims (7)
1. replace a filling type liquid flow measuring device, it is characterized in that: comprise a plurality of fluid reservoirs, banked direction control valves switching driving device (3) and counting assembly (4);
On each fluid reservoir, be all connected with inlet valve, vent valve, outlet valve, described inlet valve is all connected with liquid alcohol radical fuel inlet pipe, and described outlet valve is all exported through liquid output pipe road,
The control end of described banked direction control valves switching driving device (3) is connected with outlet valve with an inlet valve, and described counting assembly (4) is for recording the switching times of banked direction control valves switching driving device (3);
The volume of described a plurality of fluid reservoirs is identical.
2. alternately filling type liquid flow measuring device according to claim 1, is characterized in that: in described fluid reservoir, be placed with liquid level sensor, the signal output part of described liquid level sensor is connected with the drive end of banked direction control valves switching driving device (3).
3. alternately filling type liquid flow measuring device according to claim 1 and 2, is characterized in that: described banked direction control valves switching driving device (3) is hand drive device or Vidacare corp.
4. alternately filling type liquid flow measuring device according to claim 3, is characterized in that: described counting assembly (4) is machinery or electronic type.
5. alternately filling type liquid flow measuring device according to claim 4, is characterized in that: described fluid reservoir is two.
6. alternately filling type liquid flow measuring device according to claim 5, is characterized in that: the material of described fluid reservoir tank body is polyether-ether-ketone resin.
7. alternately filling type liquid flow measuring device according to claim 2, is characterized in that: described liquid level sensor is float link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004756.9U CN203772340U (en) | 2014-01-03 | 2014-01-03 | Alternating filling type liquid flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004756.9U CN203772340U (en) | 2014-01-03 | 2014-01-03 | Alternating filling type liquid flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203772340U true CN203772340U (en) | 2014-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420004756.9U Expired - Fee Related CN203772340U (en) | 2014-01-03 | 2014-01-03 | Alternating filling type liquid flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203772340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693870A (en) * | 2017-10-27 | 2018-02-16 | 冯新庆 | A kind of monitoring device for being used to control liquid disengaging balance |
| CN109925989A (en) * | 2019-03-29 | 2019-06-25 | 武汉强丰新特科技有限公司 | A kind of liquid-phase reaction system |
-
2014
- 2014-01-03 CN CN201420004756.9U patent/CN203772340U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107693870A (en) * | 2017-10-27 | 2018-02-16 | 冯新庆 | A kind of monitoring device for being used to control liquid disengaging balance |
| CN109925989A (en) * | 2019-03-29 | 2019-06-25 | 武汉强丰新特科技有限公司 | A kind of liquid-phase reaction system |
| CN109925989B (en) * | 2019-03-29 | 2024-03-12 | 武汉强丰新特科技有限公司 | Liquid phase reaction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20160103 |