CN205277839U - Self priming pump of two sensings - Google Patents
Self priming pump of two sensings Download PDFInfo
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- CN205277839U CN205277839U CN201620007467.3U CN201620007467U CN205277839U CN 205277839 U CN205277839 U CN 205277839U CN 201620007467 U CN201620007467 U CN 201620007467U CN 205277839 U CN205277839 U CN 205277839U
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- pressure
- pump housing
- flow sensor
- motor
- water
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Abstract
The utility model discloses a self priming pump of two sensings, its technical scheme main points are, including the pump body, motor, control box, be equipped with the impeller in the pump body, the rotor of motor runs through the pump body, and install impeller is equipped with water inlet and delivery port on the pump body on the rotor, is equipped with pressure sensor on the delivery port inner wall, is equipped with flow sensor through the screw on the pump body, and in flow sensor's detecting head inserted the delivery port, flow sensor and pressure sensor all were connected with the control box is electric, and the control box passes through electric signal to control the motor and works. At pressure sensor and flow sensor that the delivery port set up, the dual signal detects jointly, and the single frequent start -up that relies on pressure has been avoided at the multiple rivers of adaptation, water pressure environment operating condition down to perfect whole water pump, has protected the motor.
Description
Technical field
The utility model relates to water pump, in particular to the vacuum primingpump of a kind of double-sensing.
Background technology
Vacuum primingpump people live in comparatively common, by driven by motor impeller rotate thus play drive current flowing effect, the effects being applied to family's water route supercharging voltage stabilizing a lot of in life. In order to guarantee that water pump can carry out regulating working condition according to the hydraulic pressure on actual pipeline automatically, the vacuum primingpump of present some family's superchargings on the market has all used according to the switch-valve that hydraulic pressure regulates automatically, existing, publication number is: the Chinese patent of CN203756505U discloses a kind of Booter pump automatic switch valve, it can according to the opening and closing of the pressure self-regulation motor of current, so that it is guaranteed that the voltage stabilizing of pump housing water outlet. But it can not work when low hydraulic pressure, usually extra on the pump housing adding pressure-pot, the supercharging of water supply road ensures the unlatching of automatic switch valve.
But in use, owing to pressure-pot is in the process giving pump housing supercharging, due to air pressure, to impact easy pressure excessive, the startup of the easy like this drive water pump frequently causing automatic switch valve, start frequently and easily motor is had an impact, shorten the work-ing life of water pump.
Practical novel content
For the deficiency that prior art exists, the purpose of this utility model is to provide the vacuum primingpump of a kind of double-sensing avoiding motor frequent starting.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: the vacuum primingpump of a kind of double-sensing, comprise the pump housing, motor, controlling box, it is provided with impeller in the described pump housing, the rotor of described motor runs through the described pump housing, and described impeller is arranged on described rotor, the described pump housing is provided with water-in and water outlet, described water outlet inwall is equipped with pressure transmitter, the described pump housing is provided with flow sensor by screw, the detecting head of described flow sensor is inserted in described water outlet, described flow sensor is all electrically connected with described controlling box with described pressure transmitter, and described controlling box controls machine operation by electrical signal.
Pass through technique scheme; the pressure transmitter arranged at water outlet and flow sensor, dual signal detects jointly, and perfect whole water pump is in the working order adapted under multiple current, hydraulic pressure environment; avoid the frequent starting of single dependence pressure, protect motor. And by the detection of discharge, people can carry out transferring the files of many grades of positions according to the situation of current, also, under can being allowed to condition at the water environment of low pressure, it is allowed to keep the current of low flow to pass through, can the situation of normal operation under low water pressure condition before avoiding.
Preferably, described water-in is provided with the check valve of unidirectional inflow of supplying water.
By technique scheme, the structure of check valve can ensure above water-in stable effectively from the water-in of outside, current to be entered into inside, current adverse current when preventing low hydraulic pressure.
Preferably, it is provided with for the pressure-pot toward supercharging in the pump housing on the described pump housing.
Pass through technique scheme, the effect of pressure-pot is to increase to the liquid in the pump housing, if pressure sensor senses to be zero pressure, or the hypotony of current, when can not urge pressure transmitter, the supercharging of pressure-pot can supply pressure so that pressure transmitter can pass signal and make the motor of water pump carry out work when zero hydraulic pressure.
Preferably, the described pump housing is provided with case that described flow sensor wraps up.
Pass through technique scheme; the effect of case is to ensure that whole flow sensor is in the state of protection in the process used; because flow sensor once easily damage, the fault such as be subject to colliding with, therefore extra installs the long-time stable work that this kind of structure can turn round and look at guaranteed flow sensor additional in use procedure.
In sum; the utility model in contrast to the useful effect of prior art: utilize pressure, flow dual signal jointly to detect; coordinate the pressurized effect of upward pressure tank; perfect whole water pump is in the working order adapted under multiple current, hydraulic pressure environment; except the frequent starting of single dependence pressure can be avoided; can also allow water pump when low hydraulic pressure even zero hydraulic pressure work, protecting the working range that can expand while motor time water pump uses.
Accompanying drawing explanation
Fig. 1 is the explosive view of embodiment.
Reference numeral: 1, the pump housing; 11, water-in; 12, water outlet; 13, check valve; 14, pressure transmitter; 15, flow sensor; 16, case; 2, motor; 3, controlling box; 4, pressure-pot.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A vacuum primingpump for double-sensing, comprises the pump housing 1, motor 2, is provided with impeller in the pump housing 1, the pump housing 1 is provided with water-in 11 mutually arranged side by side and water outlet 12 above, water-in 11 is provided with check valve 13 above, it is ensured that current have enough non-return effects, ensures the unidirectional turnover of current.
As shown in Figure 1, the rotor of motor 2 runs through the pump housing 1, and impeller is arranged on rotor. Described water outlet 12 inwall is equipped with pressure transmitter 14, the described pump housing 1 is provided with flow sensor 15 by screw, the detecting head of described flow sensor 15 is inserted in described water outlet 12, and described flow sensor 15 is all electrically connected with described controlling box 3 with described pressure transmitter 14.
What controlling box 3 played is the work of a signal processing, and it accepts from the signal of flow sensor 15 with pressure transmitter 14, after carrying out analyzing and processing, it is then determined that whether motor 2 works. Pressure transmitter 14 is fixed in water outlet 12, and voltage dependent resistor is produced pressure by hydraulic pressure, it is possible to the hydraulic pressure of real-time detection water outlet 12 position.
Flow sensor 15 is fixed on the outside of the pump housing 1, and the detecting head of flow is run through the pump housing 1 by it, and above water outlet 12 in the pump housing 1, ensures that water outlet 12 water out can be detected and obtains, and it can detect the speed of current, has many clocks shelves position to arrange. It is electrically connected with controlling box 3, therefore, can stop work by drive-motor 2 when flow is excessive, ensures the voltage stabilizing above water route. The described pump housing 1 is provided with case 16 that described flow sensor 15 wraps up. The effect of case 16 is to ensure that whole flow sensor 15 is in the state of protection in the process used because flow sensor 15 in use procedure once be subject to colliding with wait easily damage, fault.
The pressure transmitter 14 arranged at water outlet 12 and flow sensor 15, dual signal detects jointly, and perfect whole water pump, in the working order adapted under multiple current, hydraulic pressure environment, avoids the frequent starting of single dependence pressure, protects motor 2. And by the detection of discharge, people can carry out transferring the files of many grades of positions according to the situation of current, also, under can being allowed to condition at the water environment of low pressure, it is allowed to keep the current of low flow to pass through, can the situation of normal operation under low water pressure condition before avoiding.
Further, it is provided with for the pressure-pot 4 toward supercharging in the pump housing 1 on the described pump housing 1. The tank body of pressure-pot 4 is made of metal, there are a large amount of high pressure gas its inside, its pressure-pot 4 also has above special control pressure tank 4 whether toward the Mgs of inflation in the pump housing 1, is connected with controlling box 3, it is ensured that controlling box 3 can the running situation of the whole water pump of stability contorting.
The effect of pressure-pot 4 is to increase to the liquid in the pump housing 1, if what pressure transmitter 14 perceived is zero pressure, or the hypotony of current, when can not urge pressure transmitter 14, the supercharging of pressure-pot 4 can supply pressure so that pressure transmitter 14 can pass signal and make the motor 2 of water pump carry out work when zero hydraulic pressure.
The above is only exemplary embodiment of the present utility model, but not for limiting protection domain of the present utility model, protection domain of the present utility model is determined by appended claim.
Claims (4)
1. the vacuum primingpump of a double-sensing, comprise the pump housing (1), motor (2), controlling box (3), the described pump housing is provided with impeller in (1), the rotor of described motor (2) runs through the described pump housing (1), and described impeller is arranged on described rotor, the described pump housing (1) is provided with water-in (11) and water outlet (12), it is characterized in that: described water outlet (12) inwall is provided with pressure transmitter (14), the described pump housing (1) is provided with flow sensor (15) by screw, the detecting head of described flow sensor (15) is inserted in described water outlet (12), described flow sensor (15) is all electrically connected with described controlling box (3) with described pressure transmitter (14), and described controlling box (3) controls motor (2) work by electrical signal.
2. the vacuum primingpump of double-sensing according to claim 1, is characterized in that: described water-in (11) is provided with the check valve (13) of unidirectional inflow of supplying water.
3. the vacuum primingpump of double-sensing according to claim 1, is characterized in that: be provided with for the pressure-pot (4) toward the pump housing (1) interior supercharging in the described pump housing (1) is upper.
4. the vacuum primingpump of double-sensing according to claim 1, is characterized in that: the described pump housing (1) is provided with the case (16) wrapped up by described flow sensor (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620007467.3U CN205277839U (en) | 2016-01-02 | 2016-01-02 | Self priming pump of two sensings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620007467.3U CN205277839U (en) | 2016-01-02 | 2016-01-02 | Self priming pump of two sensings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277839U true CN205277839U (en) | 2016-06-01 |
Family
ID=56062419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620007467.3U Active CN205277839U (en) | 2016-01-02 | 2016-01-02 | Self priming pump of two sensings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026734A (en) * | 2017-06-12 | 2018-12-18 | 中国石油天然气股份有限公司 | Reverse pump priming system of liquefied gas |
-
2016
- 2016-01-02 CN CN201620007467.3U patent/CN205277839U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026734A (en) * | 2017-06-12 | 2018-12-18 | 中国石油天然气股份有限公司 | Reverse pump priming system of liquefied gas |
| CN109026734B (en) * | 2017-06-12 | 2020-11-03 | 中国石油天然气股份有限公司 | Reverse pump priming system of liquefied gas |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |