CN203569629U - Defoaming water supply device for biochemical tests - Google Patents
Defoaming water supply device for biochemical tests Download PDFInfo
- Publication number
- CN203569629U CN203569629U CN201320725175.XU CN201320725175U CN203569629U CN 203569629 U CN203569629 U CN 203569629U CN 201320725175 U CN201320725175 U CN 201320725175U CN 203569629 U CN203569629 U CN 203569629U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 343
- 238000010876 biochemical test Methods 0.000 title claims abstract description 26
- 239000008400 supply water Substances 0.000 claims abstract description 52
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 25
- 239000008367 deionised water Substances 0.000 claims abstract description 21
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 21
- 238000007667 floating Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims description 26
- 238000010304 firing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract 4
- 230000007423 decrease Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010181 polygamy Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
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- Electromagnetic Pumps, Or The Like (AREA)
Abstract
The utility model discloses a defoaming water supply device for biochemical tests. A deionized water supply pipe is connected into a sealed water storage tank through a water inlet solenoid valve; the water storage tank is connected with a vacuum pump, so that the upper portion of the water storage tank is vacuum; the lower portion of the water storage tank is connected with a water supply pump connected with a plurality of water solenoid valves; a floating ball liquid level switch comprising an upper floating ball, a lower floating ball, an upper magnetic reed switch and a lower magnetic reed switch is arranged in the water storage tank; a control center is connected with each pump valve and the floating ball liquid level switch. According to the use method, the vacuum pump is started, deionized water is sucked into the water storage tank, when the water volume reaches the upper limit, the floating ball liquid level switch sends an upper limit water level signal, the control center switches off the water inlet solenoid valve, the upper portion of the water storage tank is vacuum, foam in the water is separated out, and defoaming is achieved; while one certain water solenoid valve is switched on, the water supply pump is started to supply water to a water unit, the water volume decreases to the lower limit, the floating ball liquid level switch sends a lower limit water level signal, and the control center switches on the water inlet solenoid valve. The defoaming effect of the defoaming water supply device meets the requirements of the biochemical tests; the pumps and the valves are automatically controlled to keep the water level in the tank.
Description
Technical field
The utility model relates to biochemical test device, is specially a kind of froth breaking water supply installation of biochemical test.
Background technology
In biochemical test, sample pipetting volume amount minimum is only 2 about μ L, if there is micro-bubble in application of sample pipeline, syringe, will affect the accuracy of application of sample amount.Therefore, the water for cleaning of the experimental articles such as experimental water and sample needle, syringe all needs to carry out defoaming treatment, removes the gas being dissolved in water, to avoid being mixed with the bubble of separating out in sampling, affects the precision of application of sample amount.
In order to eliminate the gas in experimental water, the water that supply-water pump pumps at present need to be first through connecting the froth breaking film of vacuum pump.Froth breaking film mostly is some macromolecular materials, expensive, and in use froth breaking film can be gradually blocked because of the particulate in water quality, must regularly replace, and the material cost of experiment is greatly improved.
Utility model content
The purpose of this utility model is the froth breaking water supply installation of a kind of biochemical test of design, deionized water water pipe accesses water tank through entering water electromagnetic valve, the water tank superjacent air space of sealing connects vacuum pump, and water tank below connects supply-water pump, and supply-water pump delivery port is connected with the electromagnetic valve of multiple connection water use sectors.Vacuum pump continuous firing, in the water in the water tank that has vacuum space, gas is separated out rapidly froth breaking.
The froth breaking water supply installation of biochemical test of the present utility model comprises supply-water pump, vacuum pump, and connects one by one the multiple with water solenoid valve of each water use sector; This water supply installation is Packed water tank also, deionized water water pipe accesses water tank through entering water electromagnetic valve, and water tank superjacent air space connects vacuum pump, and vacuum pump continuous firing makes water tank superjacent air space keep vacuum, water tank below connects supply-water pump, and supply-water pump delivery port is connected with water solenoid valve with multiple.In water tank, have floating-ball level switch, this switch comprises upper and lower two ball floats and upper and lower two magnetic reed switch.
Vacuum pump, entering water electromagnetic valve, supply-water pump, be all connected, be subject to it to control with control centre with water solenoid valve.The holding wire Access Control center of floating-ball level switch.
When water use sector is had relatively high expectations to froth breaking, this water supply installation is equipped with two-stage water tank, deionized water water pipe accesses water tank through entering water electromagnetic valve, water tank superjacent air space connects vacuum pump, supply-water pump in the middle of water tank below connects, middle supply-water pump delivery port accesses secondary water tank through middle entering water electromagnetic valve, and secondary water tank superjacent air space connects secondary vacuum, secondary water tank below connects supply-water pump, and supply-water pump is connected with water solenoid valve with multiple.In secondary water tank, have secondary floating-ball level switch, this switch comprises upper and lower two ball floats and upper and lower two magnetic reed switch.Two-stage water tank increases degassed area, and degasifying effect is better.
When water use sector is had relatively high expectations to pressure of supply water, at supply-water pump outlet access valve, form overflow, a delivery port of ball valve and being connected and connecing with water solenoid valve of multiple connection water use sectors, another delivery port is connected with water tank, by the water backflow water tank of overflow.
Described water supply pump delivery is equal to or greater than each 3 times by water solenoid valve maximum stream flow sum.
The upper floating ball of described floating-ball level switch upwards floats, upper magnetic reed switch is when connect, in water tank, height of water level is 1/2 to 2/3 of water tank height overall, when upper limit water level, in tank, the space of top vacuum state is 1/3 to 1/2 of water tank volume, to guarantee degassed time and effect.
The lower ball float of described floating-ball level switch falls, lower magnetic reed switch is when connect, and in water tank, height of water level is 1/4 to 1/6 of water tank height overall, and tank inner storing water amount still has 1/4 to 1/6 of tank volume during lower limit water level, to guarantee water at any time.
The froth breaking water supply installation of this biochemical test first starts vacuum pump while using, vacuum pump continuous firing, water tank vacuum of space is remained and be less than 30KPa, open entering water electromagnetic valve, deionized water is inhaled into water tank under the effect of vacuum, and in water tank, the water yield increases, the upper floating ball of floating-ball level switch upwards floats, upper magnetic reed switch is connected, represent that the water tank water yield reaches the upper limit, floating-ball level switch sends upper limit water level signal to control centre, and control centre closes entering water electromagnetic valve; Because vacuum in water tank is less than 30KPa, in the water in tank, froth breaking is separated out rapidly, realized to gas;
Supply-water pump continuous service under this device duty, when the opening with water solenoid valve of certain water use sector, in water tank, the deionized water of froth breaking offers this water use sector under the constant pressure of supply-water pump;
Along with the water of each water use sector, in water tank, the water yield reduces gradually, to lower ball float whereabouts, the connection of lower magnetic reed switch, the expression water tank water yield is reduced to lower limit, floating-ball level switch sends lower limit water level signal to control centre, entering water electromagnetic valve is opened by control centre, and deionized water is inhaled into rapidly water tank under the effect of vacuum.
When access valve below supply-water pump, a delivery port of ball valve and being connected and connecing with water solenoid valve of multiple connection water use sectors, another delivery port is connected with water tank, all continuous firings of vacuum pump, supply-water pump and ball valve, when arbitrary while opening with water solenoid valve, supply-water pump provides the deionized water after froth breaking in the water tank of certain pressure to it through ball valve, the water not used by water use sector returns to water tank through ball valve, degassed in tank again; When each, with water solenoid valve, all do not open, the water that supply-water pump provides all returns to water tank through ball valve, continues degassed in tank.
When this water supply installation is equipped with two-stage water tank, all continuous firings of two-stage vacuum pump and supply-water pump, when arbitrary while opening with water solenoid valve, supply-water pump provides the deionized water after froth breaking in the secondary water tank of certain pressure to it.When dropping to ball float under the secondary floating-ball level switch in it, the water level in secondary water tank falls, lower magnetic reed switch is connected, represent that the secondary water tank water yield reduces to lower limit, secondary floating-ball level switch sends the lower limit water level signal of secondary water tank to control centre, middle entering water electromagnetic valve is opened by control centre, middle supply-water pump is sent into secondary water tank by the water of water tank with certain pressure, in secondary water tank, the water yield increases, the upper floating ball of the secondary floating-ball level switch in it upwards floats, upper magnetic reed switch is connected, represent that the secondary water tank water yield reaches the upper limit, secondary floating-ball level switch sends secondary water tank upper limit water level signal to control centre, entering water electromagnetic valve in the middle of control centre closes.The confession water management of water tank is identical with the control of aforementioned single-stage water tank.
Compared with prior art, the advantage of the froth breaking water supply installation of the utility model biochemical test is: 1, because pressure is less, be dissolved in gas in water fewer, thus in water tank water up under the effect of vacuum gas be wherein precipitated, defoaming effect reaches biochemical test requirement; 2, control centre controls each electromagnetic valve and pump, and the signal of floating-ball level switch makes control centre automatically control the keying of entering water electromagnetic valve, keeps the certain water level in water tank; 3, this apparatus structure is simple, and each component costs is low, easy to use, is suitable for promoting.
Accompanying drawing explanation
Fig. 1 is froth breaking water supply installation embodiment 1 structural representation of this biochemical test.
Fig. 2 is froth breaking water supply installation embodiment 2 structural representations of this biochemical test.
Number in the figure is: 1, entering water electromagnetic valve, 2, water tank, 3, floating-ball level switch, 4, vacuum pump, 5, supply-water pump, 6, ball valve, 7, with water solenoid valve, 8, water use sector, 11, middle entering water electromagnetic valve, 21, secondary water tank, 31, secondary vacuum, 41, secondary floating-ball level switch, 51, middle supply-water pump.
The specific embodiment
The froth breaking water supply installation embodiment 1 of biochemical test
The froth breaking water supply installation embodiment 1 of this biochemical test as shown in Figure 1, deionized water water pipe accesses water tank 2 through entering water electromagnetic valve 1, water tank 2 superjacent air spaces connect vacuum pump 4, water tank below connects supply-water pump 5, supply-water pump 2 delivery port access valves 6, a delivery port of ball valve 6 is connected with water solenoid valve 7 with 20, and another delivery port is connected with water tank 2.Eachly connect a water use sector 8 with water solenoid valve 7.
In water tank 2, have floating-ball level switch 3, this switch comprises upper and lower two ball floats and upper and lower two magnetic reed switch.The upper floating ball of this routine floating-ball level switch 3 upwards floats, upper magnetic reed switch is when connect, and the interior height of water level of water tank 2 is 1/2 of water tank 2 height overalls, and, when upper limit water level, in tank, the space of top vacuum state is 1/2 of water tank 2 volumes, guarantees degasifying effect.
The lower ball float of this routine floating-ball level switch 4 falls, lower magnetic reed switch is when connect, and the interior height of water level of water tank 4 is 1/4 of water tank 4 height overalls, and tank inner storing water amount still has 1/4 of tank volume during lower limit water level, guarantees water at any time.
Vacuum pump 4, entering water electromagnetic valve 1, supply-water pump 5, ball valve 6 and respectively with water solenoid valve 7, be all connected with control centre.The holding wire of floating-ball level switch 3 is connected with control centre.Fig. 1 does not draw control centre.
The discharge capacity of this routine supply-water pump 5 equals each 3 times by water solenoid valve 7 maximum stream flow sums.
During the use of the froth breaking water supply installation embodiment 1 of this biochemical test, first start vacuum pump 4, vacuum pump 4 continuous firings, make water tank 2 superjacent air spaces keep vacuum to be less than 30KPa, open entering water electromagnetic valve 1, deionized water is inhaled into water tank 2 under the effect of vacuum, the interior water yield of water tank 2 increases, the upper floating ball floating of floating-ball level switch 3, upper magnetic reed switch are connected, and floating-ball level switch 3 sends upper limit water level signal to control centre, and control centre closes entering water electromagnetic valve 1; The interior top of water tank 2 is vacuum, and in the water in tank, froth breaking is separated out rapidly, realized to gas.
Duty supply-water pump 5 continuous services, when certain is opened with water solenoid valve 7, in water tank 2, the deionized water of froth breaking offers corresponding water use sector 8 through this use water solenoid valve 7 under the constant pressure of supply-water pump 5; Along with the water of each water use sector 8, the interior water yield of water tank 2 reduces gradually, when the lower ball float of floating-ball level switch 3 falls, lower magnetic reed switch is connected, floating-ball level switch 3 sends lower limit water level signal to control centre, entering water electromagnetic valve 1 is opened by control centre, and deionized water is inhaled into water tank 2 under the effect of vacuum.
These routine supply-water pump 5 below access valves 6, vacuum pump 4 and all continuous firings of supply-water pump 5, when arbitrary while opening with water solenoid valve 7, supply-water pump 5 provides the deionized water after the interior froth breaking of water tank 2 of certain pressure to it through ball valve 6, the water not used by water use sector 8 returns to water tank 2 through ball valve 6, degassed in tank again, when each water solenoid valve 7 of using is not all opened, the water that supply-water pump 5 provides all returns to water tank 2 through ball valve 6, continues degassed in tank.
The froth breaking water supply installation embodiment 2 of biochemical test
The present embodiment 2 be on the basis of the froth breaking water supply installation embodiment 1 of biochemical test polygamy for one-level water tank, to meet higher froth breaking requirement.As shown in Figure 2, this routine water supply installation deionized water water pipe accesses water tank 1 through entering water electromagnetic valve 1, water tank 1 superjacent air space connects vacuum pump 4, supply-water pump 51 in the middle of connecing below water tank 2, middle supply-water pump 51 delivery ports access secondary water tank 21 through middle entering water electromagnetic valve 11, secondary water tank 21 superjacent air spaces connect secondary vacuum 41, secondary water tank 21 belows connect supply-water pump 5, supply-water pump 5 is connected with ball valve 6, a delivery port of ball valve 6 is connected with water solenoid valve 7 with 20, and another delivery port is connected with secondary water tank 21.Eachly connect a water use sector 8 with water solenoid valve 7.
In water tank 2, there is floating-ball level switch 3, in secondary water tank 21, have 31,2 floating-ball level switch of secondary floating-ball level switch to include upper and lower two ball floats and upper and lower two magnetic reed switch.
Vacuum pump 4 and secondary vacuum 41 during the use of the froth breaking water supply installation embodiment 2 of this biochemical test, middle supply-water pump 51 and all continuous firings of supply-water pump 5, water tank 2 and secondary water tank 21 superjacent air spaces all keep vacuum to be less than 30KPa.
Open entering water electromagnetic valve 1, deionized water is inhaled into water tank 2 under the effect of vacuum, and the interior water yield of water tank 2 increases, and the upper floating ball floating of floating-ball level switch 3, upper magnetic reed switch are connected, floating-ball level switch 3 sends upper limit water level signal to control centre, and control centre closes entering water electromagnetic valve 1; The interior top of water tank 2 is vacuum, and in the water in tank, froth breaking is separated out rapidly, realized to gas.
Entering water electromagnetic valve 11 in the middle of opening again, in water tank 2, the deionized water of froth breaking is admitted to secondary water tank 21 under the effect of middle supply-water pump 51 and vacuum, the interior water yield of secondary water tank 21 increases, the upper floating ball floating of secondary floating-ball level switch 31, upper magnetic reed switch are connected, secondary floating-ball level switch 31 sends the upper limit water level signal of secondary water tank 21 to control centre, entering water electromagnetic valve 11 in the middle of control centre closes; The interior top of secondary water tank 2 is vacuum, and in the water in tank, froth breaking is separated out rapidly, continued to gas.
When arbitrary while opening with water solenoid valve 7, supply-water pump 5 provides the deionized water after the interior froth breaking of secondary water tank 21 of certain pressure to it through ball valve 6.The 31 times ball floats of secondary floating-ball level switch that drop in it when the water level in secondary water tank 21 fall, lower magnetic reed switch is connected, represent that secondary water tank 21 water yields reduce to lower limit, secondary floating-ball level switch 31 sends the lower limit water level signal of secondary water tank 21 to control centre, middle entering water electromagnetic valve 11 is opened by control centre, middle supply-water pump 51 is sent into secondary water tank 21 by the water of water tank 2 with certain pressure, the interior water yield of secondary water tank 21 increases, the upper floating ball of the secondary floating-ball level switch 31 in it upwards floats, upper magnetic reed switch is connected, represent that secondary water tank 21 water yields reach the upper limit, secondary floating-ball level switch 31 sends secondary water tank 21 upper limit water level signal to control centre, entering water electromagnetic valve 11 in the middle of control centre closes.The lower ball float of being down to floating-ball level switch 4 when the interior water yield of water tank 2 falls, lower magnetic reed switch is when connect, floating-ball level switch 4 sends the lower limit water level signal of water tank 2 to control centre, entering water electromagnetic valve 1 is opened by control centre, and deionized water is inhaled into water tank 2 under the effect of vacuum.
Above-described embodiment, is only the specific case that the purpose of this utility model, technical scheme and beneficial effect are further described, and the utility model is not defined in this.All any modifications of making, be equal to replacement, improvement etc., within being all included in protection domain of the present utility model within scope of disclosure of the present utility model.
Claims (6)
1. the froth breaking water supply installation of biochemical test, comprises supply-water pump (5), vacuum pump (4), and connects one by one the multiple with water solenoid valve (7) of each water use sector (8); It is characterized in that:
This froth breaking water supply installation is Packed water tank (2) also, deionized water water pipe is through entering water electromagnetic valve (1) access water tank (2), water tank (2) superjacent air space connects vacuum pump (4), vacuum pump (4) continuous firing makes water tank (2) superjacent air space keep vacuum, water tank (2) below connects supply-water pump (5), and supply-water pump (5) delivery port is connected with water solenoid valve (7) with multiple.
2. the froth breaking water supply installation of biochemical test according to claim 1, is characterized in that:
In described water tank (2), have floating-ball level switch (3), this switch comprises upper and lower two ball floats and upper and lower two magnetic reed switch;
Vacuum pump (4), entering water electromagnetic valve (1), supply-water pump (5), use water solenoid valve (7) are all connected with control centre; The holding wire of floating-ball level switch (3) is connected with control centre.
3. the froth breaking water supply installation of biochemical test according to claim 1, is characterized in that:
Described supply-water pump (5) below access valve (6), being connected with water solenoid valve (7) of delivery port of ball valve (6) and multiple connection water use sectors (8), another delivery port is connected with water tank (2).
4. the froth breaking water supply installation of biochemical test according to claim 2, is characterized in that:
The upper floating ball of described floating-ball level switch (3) upwards floats, upper magnetic reed switch is when connect, and the interior height of water level of water tank (2) is 1/2 to 2/3 of water tank (2) height overall.
5. the froth breaking water supply installation of biochemical test according to claim 2, is characterized in that:
When the lower ball float whereabouts of described floating-ball level switch (3), lower magnetic reed switch are connected, the interior height of water level of water tank (2) is for being 1/4 to 1/6 of water tank (2) height overall.
6. the froth breaking water supply installation of biochemical test according to claim 2, is characterized in that:
This water supply installation is equipped with two-stage water tank, supply-water pump (51) in the middle of described water tank (2) below connects, middle supply-water pump (51) delivery port accesses secondary water tank (21) through middle entering water electromagnetic valve (11), secondary water tank (21) superjacent air space connects secondary vacuum (41), and secondary water tank (21) below connects supply-water pump (5); In secondary water tank (21), have secondary floating-ball level switch (31), this switch comprises upper and lower two ball floats and upper and lower two magnetic reed switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725175.XU CN203569629U (en) | 2013-11-15 | 2013-11-15 | Defoaming water supply device for biochemical tests |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320725175.XU CN203569629U (en) | 2013-11-15 | 2013-11-15 | Defoaming water supply device for biochemical tests |
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| Publication Number | Publication Date |
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| CN203569629U true CN203569629U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320725175.XU Expired - Lifetime CN203569629U (en) | 2013-11-15 | 2013-11-15 | Defoaming water supply device for biochemical tests |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572802A (en) * | 2013-11-15 | 2014-02-12 | 桂林优利特医疗电子有限公司 | Foam-breaking water supply device for biochemical experiments and application method |
-
2013
- 2013-11-15 CN CN201320725175.XU patent/CN203569629U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572802A (en) * | 2013-11-15 | 2014-02-12 | 桂林优利特医疗电子有限公司 | Foam-breaking water supply device for biochemical experiments and application method |
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Granted publication date: 20140430 |
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| CX01 | Expiry of patent term |