CN2893901Y - Electronic pressure switch - Google Patents
Electronic pressure switch Download PDFInfo
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- CN2893901Y CN2893901Y CN 200620040771 CN200620040771U CN2893901Y CN 2893901 Y CN2893901 Y CN 2893901Y CN 200620040771 CN200620040771 CN 200620040771 CN 200620040771 U CN200620040771 U CN 200620040771U CN 2893901 Y CN2893901 Y CN 2893901Y
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- Prior art keywords
- housing
- sensor
- pressure switch
- pressing board
- pressure
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Abstract
The utility model provides an electronic pressure switch, which pertains to the electromechanical integration art. The electronic pressure switch comprises a case and a control circuit. A sealing is arranged in the case to divide the case into two separated chambers i.e. a moving chamber and a water feeding chamber; the side of the sealing is connected with a movable pressure plate which is arranged in the moving chamber; a spring is also arranged in the moving chamber with both ends acting on the movable pressure plate and the case respectively; the control circuit comprises a power, a start-up sensor, a stopping sensor, a central processor and a manual switch. Signals received by the start-up and the stopping sensors are imputed into the central processor, which determines whether to supply power to the water pump motor after processing of the signals. The movable plate is connected with a pressure baffle which is arranged in the moving chamber and positioned at location of the start-up sensor and the stopping sensor to change signals received by the two sensors. The electronic pressure switch has the advantages of easy operation and reliable performance.
Description
Technical field
The utility model belongs to electromechanical integration technology area, relates to a kind of pressure switch, particularly a kind of electron pressure switch.
Background technology
In family supplies water,, just must connect pump power at every turn when needing water and make the water pump work of drawing water if supply water and in user family, do not install again under the condition of water tower or tank by water pump.
Before water pump was started working: at first open tap, secondly energising allowed water pump start working; When not using: cut off pump power earlier, allow water pump quit work, close tap again, as can be seen, the aforesaid operations process is loaded down with trivial details.
Though pressure switch has overcome above-mentioned shortcoming as a kind of scheme that addresses the above problem, and has following problem simultaneously:
1, water pump cuts out the tap water pump and shuts down in operate as normal: if hydraulic pressure has decline slightly in this process, switch will produce misoperation, causes switch uninterrupted closed or disconnect pump power, makes the water pump frequent starting.Obviously, water pump will shorten through its useful life that works long hours like this, also can burn motor immediately when serious.
If anhydrous in 2 water pipes, switch can make pump operation by closed pump power, causes water pump idle running, works long hours the seal in the water pump is damaged.
3, when water pump is blocked: the tap of fetching boiling water, the switch closure pump power makes pump operation, will cause water pump not rotate under the energising situation like this.Obviously, for a long time under this situation motor will burn because of heating.
Chinese patent 200420011527.6 " electron pressure switch " that provide for example, it is the electromagnetic switch formed by the tongue tube that sets into pressure bladder that the mouth of a river or air intake be associated, the magnetic sheet that can move with pressure bladder and movable pressing board and magnetic sheet correspondence and the common realization of ON-OFF control circuit is made up of electronic building brick, though pressure differential range Xiao Yi produces misoperation and disadvantage out of control when effectively having overcome existing pressure switch open and close, but exist equally under the situation that water pipe is anhydrous or water pump is blocked, burn problems such as motor through working long hours.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist at existing pressure switch, and a kind of electron pressure switch is provided, and makes it have characteristics easy to operate, dependable performance.
The purpose of this utility model can realize by following technical proposal: a kind of electron pressure switch, comprise housing and control circuit, be provided with a sealing ring in the housing, sealing ring is divided into movable chamber and two cavitys that do not communicate of intake antrum to housing, the sidepiece of the sealing ring movable pressing board that is being connected, movable pressing board is located in the movable chamber, in movable chamber, also be provided with spring, the two ends of spring act on respectively on movable pressing board and the housing, it is characterized in that described control circuit is made up of power supply, start sensor, stop sensor, CPU and hand switch; Whether the signal input CPU that described start sensor, stop sensor receive is powered to pump motor by decision after the central processing unit for processing; Pressure baffle is being connected on the described movable pressing board; Pressure baffle is located in the movable chamber, and is in start sensor and stop sensor place, is used to change described two signals that transducer received.
This electron pressure switch is the activity by pressure baffle, makes start sensor receive different signals with stop sensor, causes whether CPU powers to pump motor, thereby the control of pump running.This electron pressure switch is connected in the supply channel.Particularly, when the tap of fetching boiling water, hydraulic pressure in the water pipe descends, and sealing ring makes movable pressing board descend under the active force of spring, pressure baffle leaves stop sensor and start sensor, stop sensor and start sensor are sent to CPU to the signal that receives, and CPU is handled the signal process that receives, and then the control of pump power supply is opened automatically, make pump working, begin to draw water; In pump process, pressure baffle stays between stop sensor and the start sensor, and this moment, CPU kept original operating state, the water supply pump motor power supply work of drawing water normally; When closing tap, hydraulic pressure in the water pipe rises, sealing ring overcomes spring under the effect of hydraulic pressure elastic force rises movable pressing board, and then make pressure baffle block start sensor and stop sensor, stop sensor is sent to CPU to the signal that receives, CPU is cut off pump power after treatment, and water pump is quit work.
In above-mentioned electron pressure switch, be provided with delay circuit in the described CPU.The effect of delay circuit is, when no matter pressure baffle from which kind of position enters when all blocking two transducers or not blocking any one transducer fully, all to delay time the regular hour, as 10 seconds to 60 seconds, if the residing position of pressure baffle does not change then, central control unit promptly stops to the pump motor power supply water pump being quit work.But when pressure baffle when two above-mentioned positions enter the position that is between these two transducers, central control unit will keep original operating state.That is to say if water pump is originally stop, when pressure baffle is between start sensor and the stop sensor so, water pump still is in halted state; Be originally running as water pump, when pressure baffle was between start sensor and the stop sensor so, water pump still was in operating condition.
In above-mentioned electron pressure switch, have the lead that stretches out on the described movable pressing board, enclosure interior has body cylindraceous, and lead is positioned at body, and the two ends of above-mentioned spring are located at respectively in the body and reach on the lead.Structure by such play the guiding role to movable pressing board, prevents displacement.
In above-mentioned electron pressure switch, described housing both sides are respectively equipped with a block pressur plate, and above-mentioned sealing ring is connected in the housing by pressing plate.
As another kind of scheme, in above-mentioned electron pressure switch, described housing is made up of upper shell and lower house, and above-mentioned sealing ring is pressed on two junctions between the housing.Two kinds of schemes of above-mentioned this all are for sealing ring is fixed in the housing, and make the housing inner chamber be separated into movable chamber and intake antrum.
In above-mentioned electron pressure switch, described pressure baffle is one, and perpendicular to the movable pressing board setting, and stop sensor and start sensor are set in turn in the pressure baffle place.
As another kind of scheme, in above-mentioned electron pressure switch, described pressure baffle is two and is uneven in length that perpendicular to the movable pressing board setting, start sensor and stop sensor are arranged at described these two pressure baffle places respectively.
When anhydrous or water pump was blocked at water pipe, pump working was after a period of time, and hydraulic pressure still descends, and pressure baffle drops to the position of not blocking two transducers.Obviously, will stop automatically behind the water pump delay working certain hour this moment.This just plays the effect of protection pump motor.
Compared with prior art, the advantage of this electron pressure switch is:
1, easy to operate, as long as the tap of fetching boiling water can be connected pump power, allow water pump draw water for its use, close tap and can cut off pump power, allow water pump stop pumping.
2, dependable performance has effectively protected water pump anhydrous or by when card, turns round for a long time and burns and can prevent that switch from producing characteristics such as misoperation.
Description of drawings
Fig. 1 is the structural representation of the electron pressure switch that provides of the utility model.
Fig. 2 is this electron pressure switch circuit block diagram.
Fig. 3 is the structural representation that pressure baffle blocks start sensor and stop sensor in this electron pressure switch.
Fig. 4 is that pressure baffle stays in structural representation between stop sensor and the start sensor in this electron pressure switch.
Fig. 5 is the structural representation that pressure baffle leaves stop sensor and start sensor in this electron pressure switch.
Fig. 6 is the structural representation that two pressure baffles block start sensor and stop sensor among the embodiment two.
Fig. 7 is that one of them blocks the structural representation of stop sensor in two pressure baffles among the embodiment two.
Fig. 8 is the structural representation that two pressure baffles leave stop sensor and start sensor among the embodiment two.
Among the figure, 1, housing; 11, movable chamber; 12, intake antrum; 13, body; 2, sealing ring; 3, movable pressing board; 31, lead; 32, pressure baffle; 4, spring; 5, start sensor; 6, stop sensor; 7, control circuit.
Embodiment
Embodiment one
As depicted in figs. 1 and 2, this electron pressure switch is made up of housing 1, control circuit 7, movable pressing board 3, sealing ring 2 and spring 4 etc.
Housing 1 inside is a cavity, and the both sides of housing 1 are respectively equipped with a pressing plate, and sealing ring 2 is connected in the housing 1 by these two pressing plates.Be divided into upper shell and lower house in order to simplify part and to be convenient to assemble present embodiment middle shell 1, sealing ring 2 is pressed on the junction between upper shell and the lower house.
Sealing ring 2 is separated into movable chamber 11 and intake antrum 12 these two cavitys with the cavity of housing 1, and movable chamber 11 does not communicate with intake antrum 12.
Movable pressing board 3 is arranged in the movable chamber 11, and the bottom of movable pressing board 3 is connected mutually with sealing ring 2 sidepieces.Movable pressing board 3 tops are a columned lead 31 that stretches out.Have a body 13 cylindraceous in housing 1 inside, lead 31 is positioned at body 13.Spring 4 is arranged between movable pressing board 3 and the housing 1, and particularly, an end of spring 4 is enclosed within on the lead 31, and the other end is stretched in body 13 inside.Certainly, to be enclosed within body 13 outsides also be feasible to spring 4 other end that is enclosed within lead 31.
As shown in Figure 2, control circuit 7 is made up of power supply, start sensor 5, stop sensor 6, CPU and hand switch.Whether the signal that start sensor 5, stop sensor 6 receive is powered to pump motor by decision after the central processing unit for processing by central processing unit for processing.
The pressure baffle 32 that is being connected on the movable pressing board 3, pressure baffle 32 also is in the movable chamber 11, just in the position of start sensor 5 and stop sensor 6.Stop sensor 6 be in start sensor 5 directly over, can change two above-mentioned signals that transducer received by pressure baffle 32.
As shown in Figure 1, this electron pressure switch is connected in the supply channel, and it is the activity by pressure baffle 32, makes start sensor 5 receive different signals with stop sensor 6, causes whether CPU powers to pump motor, thus the control of pump running.
When the tap of fetching boiling water, hydraulic pressure in the water pipe descends, sealing ring 2 makes movable pressing board 3 descend under the active force of spring 4, and pressure baffle 32 is being followed decline and left stop sensor 6 and start sensor 5, stop sensor 6 and start sensor 5 are sent to CPU to the signal that receives, through handling, and then open automatically, makes pump working by the control of pump power supply with the signal that receives for CPU, begin to draw water, see shown in Figure 5.
In pump process, pressure baffle 32 stays between stop sensor 6 and the start sensor 5, and this moment, CPU kept original operating state, and the water supply pump motor power supply work of drawing water is normally seen shown in Figure 4.
When closing tap, hydraulic pressure in the water pipe rises, sealing ring 2 overcomes spring 4 under the effect of hydraulic pressure elastic force rises movable pressing board 3, and then make pressure baffle 32 block start sensor 5 and stop sensor 6, stop sensor 6 is sent to CPU to the signal that receives, CPU is cut off pump power after treatment, and water pump is quit work, and sees shown in Figure 3.
In addition, in CPU, be provided with delay circuit.If water pump is originally and stops under the effect of this delay circuit, when pressure baffle 32 is between start sensor 5 and the stop sensor 6 so, water pump still is in halted state; Be originally running as water pump, when pressure baffle 32 was between start sensor 5 and the stop sensor 6 so, water pump still was in operating condition.
Embodiment two
As Fig. 6 and Fig. 7 and shown in Figure 8, present embodiment is basic identical with structure and the principle of embodiment one, different place is that pressure baffle 32 is two, and they vertically are connected in respectively on the movable pressing board 3 of lead 31 both sides, and the length of two pressure baffles 32 is different.Above-mentioned start sensor 5 and stop sensor 6 are arranged at described these two pressure baffle 32 places respectively.
When anhydrous or water pump was blocked when water pipe, pump working was after a period of time, and hydraulic pressure still descends, and pressure baffle 32 drops to the position of not blocking two transducers.Obviously, will stop automatically behind the water pump delay working certain hour this moment.This just plays the effect of protection pump motor.
Claims (7)
1, a kind of electron pressure switch, comprise housing (1) and control circuit (7), be provided with a sealing ring (2) in the housing (1), sealing ring (2) is divided into movable chamber (11) and (12) two cavitys that do not communicate of intake antrum to housing (1), the sidepiece of sealing ring (2) movable pressing board (3) that is being connected, movable pressing board (3) is located in the movable chamber (11), in movable chamber (11), also be provided with spring (4), the two ends of spring (4) act on respectively on movable pressing board (3) and the housing (1), it is characterized in that described control circuit (7) is by power supply, start sensor (5), stop sensor (6), CPU and hand switch are formed; Whether the signal input CPU that described start sensor (5), stop sensor (6) receive is powered to pump motor by decision after the central processing unit for processing; Pressure baffle (32) is being connected on the described movable pressing board (3); Pressure baffle (32) is located in the movable chamber (11), and is in start sensor (5) and stop sensor (6) is located, and is used to change described two signals that transducer received.
2, electron pressure switch according to claim 1 is characterized in that, is provided with delay circuit in the described CPU.
3, electron pressure switch according to claim 1 and 2, it is characterized in that, have the lead (31) that stretches out on the described movable pressing board (3), housing (1) inside has body cylindraceous (13), lead (31) is positioned at body (13), and the two ends of above-mentioned spring (4) are located at respectively in the body (13) and reach on the lead (31).
4, electron pressure switch according to claim 3 is characterized in that, described housing (1) both sides are respectively equipped with a block pressur plate, and above-mentioned sealing ring (2) is connected in the housing (1) by pressing plate.
5, electron pressure switch according to claim 3 is characterized in that, described housing (1) is made up of upper shell and lower house, and above-mentioned sealing ring (2) is pressed on two junctions between the housing.
6, electron pressure switch according to claim 3 is characterized in that, described pressure baffle (32) is one, be provided with perpendicular to movable pressing board (3), and stop sensor (5) and start sensor (6) is set in turn in pressure baffle (32) and locates.
7, electron pressure switch according to claim 3, it is characterized in that, described pressure baffle (32) is two and is uneven in length, and is provided with perpendicular to movable pressing board (3), and start sensor (5) and stop sensor (6) are arranged at described these two pressure baffles (32) respectively and locate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620040771 CN2893901Y (en) | 2006-04-04 | 2006-04-04 | Electronic pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620040771 CN2893901Y (en) | 2006-04-04 | 2006-04-04 | Electronic pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2893901Y true CN2893901Y (en) | 2007-04-25 |
Family
ID=38062055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620040771 Expired - Fee Related CN2893901Y (en) | 2006-04-04 | 2006-04-04 | Electronic pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2893901Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100428387C (en) * | 2006-04-04 | 2008-10-22 | 叶灵 | Electronic pressure switch |
-
2006
- 2006-04-04 CN CN 200620040771 patent/CN2893901Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100428387C (en) * | 2006-04-04 | 2008-10-22 | 叶灵 | Electronic pressure switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 |