CN206431496U - Intelligent negative pressure controller - Google Patents
Intelligent negative pressure controller Download PDFInfo
- Publication number
- CN206431496U CN206431496U CN201621486616.5U CN201621486616U CN206431496U CN 206431496 U CN206431496 U CN 206431496U CN 201621486616 U CN201621486616 U CN 201621486616U CN 206431496 U CN206431496 U CN 206431496U
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- pressure
- shell body
- key
- circuit
- negative pressure
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Abstract
The utility model is related to a kind of intelligent negative pressure controller, including the indicator lamp of the pressure display window that is provided with of controller housing body, the shell body end face, set key, numeral increase key, numeral reduce key, the guidance panel of on ＆ off switch, with shell body matches display panel and guidance panel lock can be placed in the retaining ring on edge on the shell body, compression fittings, signal output and the power input interface of the circuit board containing micro-control unit, the pressure element containing built in pressure sensor are equipped with inside described shell body.The pressure measxurement of the utility model collection, show, be controlled in one; the control function that low pressure stopping, high voltage startup or high pressure stop low voltage starting can be achieved; control pressure gamut can be set; also reset with Reverse Turning Control, deferred action, error, unit switches, leaks and presses protection, cryptoguard, picks up the functions such as pressure automatically, simple to operate, shock resistance is good, control accuracy is high, service life is long.
Description
Technical field
The utility model is related to intelligent control instrument technical field, more particularly, to a kind of intelligent negative pressure controller.
Background technology
Negative pressure pressure controller, also known as vacuum switch, are pressure in automatic measuring and controlling system, using pressure sensor principle,
Output switching signal, it is ensured that the controller of equipment precise and stable operation under unattended.It is widely used in various industrial automatic controls
Environment, is related to petroleum pipeline, water conservancy and hydropower, railway traffic, intelligent building, production automatic control, Aero-Space, military project, petrochemical industry, oil
The supporting upper progress pressure monitor of the industry mechanisms such as well, electric power, ship, lathe, pipeline air-supply, boiler negative pressure, alarm, interlocking are protected
Shield, realizes that two formulas are automatically controlled.The utility model, which is provided, a kind of integrates pressure measxurement, display, various control function
Negative pressure controller
Utility model content
The technical problem that the utility model is solved is realized using following technical scheme：
Intelligent negative pressure controller, including controller housing body (1), it is aobvious provided with pressure on the end face of the shell body (1)
Show window (2), and provided with Mpa indicator lamps (31), kg/cm2Indicator lamp (32), PSI indicator lamps (33), power supply indicator
(34), the display panel (3) of upper limit indicator lamp (35), run indicator (36), lower limit indicator lamp (37)；In the shell body
(1) behaviour that key (43), on ＆ off switch (44) are reduced comprising set key (41), numeral increase key (42), numeral is additionally provided with end face
Make panel (4)；
It is characterized in that：The intelligent negative pressure controller also includes one and described will shown with what the shell body (1) matched
Show that panel (3) and guidance panel (4) lock are placed in the rib shape polyester retaining ring (5) on edge on the shell body (1)；
The circuit board (8) containing micro-control unit, a kind of sense containing built in pressure sensor are equipped with inside the shell body (1)
The compression fittings (6) of pressure element (61) are connected as a single entity with the shell body (1), are additionally provided with the shell body (1) with anti-
The signal output and power input interface (7) of water-bound；
Wherein, the signal output and power input interface (7) are fixed on the shell body (1) including at least two circles
Rubber bumps (71).Rubber bumps (71) preferably two that the technical program is provided are enclosed, and the two circle rubber bumps (71) it
Between be gripped with water absorption spongy mass (72).
Described compression fittings (6) are using pipe screw thread snap joint or copper pipe welded type mounting structure and the shell body
(1) it is fixedly linked, and in integrated jointless structure.
The described circuit board (8) containing micro-control unit is provided with low voltage starting or low pressure stopping control circuit (81), height
Pressure starts or high pressure stopping control circuit (82), reverse control circuit (83), deferred action control circuit (84), error reset electricity
Road (85), unit switching circuit (86), leakage voltage protection circuit (87), cipher protection circuit (88) and volt circuit is picked up automatically
(89)。
Compared with prior art, the utility model has the advantage that and beneficial effect is：Collect pressure measxurement, display, control
In one, various control function can be achieved, simple to operate, shock resistance is good, control accuracy is high, control range can arbitrarily be adjusted, made
Use long lifespan.
Brief description of the drawings
, below will be to implementing in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing used required in scheme or description of the prior art is briefly described, it should be apparent that, drawings in the following description
Only some embodiments of the present utility model, for those of ordinary skill in the art, are not paying creative work
Property on the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is positive structure schematic of the present utility model；
Fig. 2 is side structure schematic diagram of the present utility model；
Fig. 3 is annexation amplification signal between signal output and power input interface 7 and shell body 1 in the utility model
Figure；
Fig. 4 is circuit framework schematic diagram on circuit board 8 in the utility model.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
A kind of intelligent negative pressure controller shown in reference picture 1-4, including controller housing body 1, in the shell body 1
End face is provided with pressure display window 2, and provided with Mpa indicator lamps 31, kg/cm2Indicator lamp 32, PSI indicator lamps 33, power supply refer to
Show the display panel 3 of lamp 34, upper limit indicator lamp 35, run indicator 36, lower limit indicator lamp 37；In the end face of the shell body 1
On be additionally provided with comprising set key 41, numeral increase key 42, numeral reduce key 43, on ＆ off switch 44 guidance panel 4；
The intelligent negative pressure controller also include one with the shell body 1 match can by the display panel 3 and operation
Panel 4, which is locked, is placed in the rib shape polyester retaining ring 5 on edge on the shell body 1, and the rib shape polyester retaining ring 5 possesses excellent anti-
Sliding, pollution-resistant；
The circuit board 8 containing micro-control unit is equipped with inside the shell body 1, in the circuit containing micro-control unit
Plate 8 is provided with low voltage starting or low pressure stopping control circuit 81, high voltage startup or high pressure stopping control circuit 82, Reverse Turning Control electricity
Road 83, deferred action control circuit 84, error clear circuit 85, unit switching circuit 86, leakage voltage protection circuit 87, cryptoguard
Circuit 88 and pick up volt circuit 89 automatically；
A kind of compression fittings 6 of pressure element containing built in pressure sensor 61 are connected as a single entity with the shell body 1, described
Compression fittings 6 are fixedly linked using pipe screw thread snap joint or copper pipe welded type mounting structure with the shell body 1, and in one
Change jointless structure；
Signal output and power input interface 7 with waterproof construction are additionally provided with the shell body 1, the signal is defeated
Go out and power input interface 7 includes the rubber bumps 71 that at least two circles are fixed on the shell body 1.The technical program is provided
Rubber bumps 71 preferably two enclose, and this two circle rubber bumps 71 between be gripped with water absorption spongy mass 72.
Shown in reference picture 1-4, the utility model exports for relay signal, when pressure rises to the pressure upper limit of setting
When export normally closed signal, normally opened signal is exported when pressure drops to threshold pression, limits pressure can be by the following method up and down
Any setting regulation setting：First closing switch key 44, short-press set key 41, pressure display window 2 shows lower limit, and correspondence lower limit refers to
Show that lamp 37 is bright, numerical value can be changed by increasing key 42 or reducing key 43, long-press changes rapidly, after the completion of setting, and short-press is set
Key 41, preserves and sets, and screen display lower limit, correspondence upper limit indicator lamp 35 is bright, can be changed by increasing key 42 or reducing key 43
Numerical value, after the completion of setting, short-press set key 41 is preserved and automatically exited from.
Set key 41 described in long-press can enter system and set, and then the set key 41 described in short-press can display control successively
Delay parameter protection, Reverse Turning Control, pick up the functions such as pressure, excessive low water level protection, detection time automatically：
Wherein described controls delay function to be that controller is not acted immediately, delay voltage when pressure reaches operating point,
Prevent from, because overpressure is unstable, causing motor frequent starting, can be appointed by described numeral increase key 42 and reduction key 43
Meaning setting time delay；
Described parameter protection function is to press any key beyond on ＆ off switch, and screen can be shown " --- ", now be needed defeated
The parameters such as bound could be set by entering password, protected the parameters such as the upper limit, the lower limit of engineering staff's setting to be not modified, shown
When " --- ", password is inputted by described increase key 42, shifted by described set key 41, short-press is set after input password
Key 41, can carry out parameter setting；
Described Reverse Turning Control function is that pressure is normally opened when being less than lower limit, to be normally closed during higher than the upper limit, by described
Increase key 42 or reduction key 43 are turned on and off the function；
Described automatic inspection pressure function be controller after relay closure, continue to can't detect pressure change in three minutes,
Disconnection relay can be given automatically, and shows " E -1 ", it is to avoid because water source is drained, cuts off the water, managed in described pressure display window
Pressure does not reach the upper limit, water pump idle running, dry combustion method caused by road pressure release, is turned on or off by increasing key 42 or reducing key 43
The function；
Described excessive low water level protection function is, when excessive low water level protection value of the hydraulic pressure less than setting, to be considered as in pipeline not having water,
Motor is closed, described pressure display window shows " E-F ", excessive low water level protection can be changed by increasing key 42 or reducing key 43
Value；
Described detection time is pressure does not have in the detection time of setting in the case of excessive low water level protection function on
Excessive low water level protection pressure value is reached, relay can be disconnected, and " E-F " is shown in pressure display window, by increasing key 42 or subtracting
Small key 43 can change detection time value, and when excessive low water level protection function is closed, the function is closed automatically.
In addition, after the utility model is powered, when not pressurizeed in pipeline, closing switch key 44, long-press reduces key 43 5 seconds
Can be with zeros data, closing switch key 44, the recyclable switching pressure unit of short-press increase key 42 is Mpa, kg/cm2、PSI。
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (3)
1. intelligent negative pressure controller, including controller housing body (1), show on the end face of the shell body (1) provided with pressure
Window (2), and provided with Mpa indicator lamps (31), kg/cm2Indicator lamp (32), PSI indicator lamps (33), power supply indicator (34),
Upper limit indicator lamp (35), run indicator (36), the display panel (3) of lower limit indicator lamp (37)；End in the shell body (1)
The guidance panel that key (43), on ＆ off switch (44) are reduced comprising set key (41), numeral increase key (42), numeral is additionally provided with face
(4)；
It is characterized in that：The intelligent negative pressure controller also include one with the shell body (1) match can be by the display surface
Plate (3) and guidance panel (4) lock are placed in the rib shape polyester retaining ring (5) on edge on the shell body (1)；
The circuit board (8) containing micro-control unit, a kind of member of pressure-sensitive containing built in pressure sensor are equipped with inside the shell body (1)
The compression fittings (6) of part (61) are connected as a single entity with the shell body (1), are additionally provided with the shell body (1) with waterproof knot
The signal output and power input interface (7) of structure；
Wherein, the signal output and power input interface (7) include the rubber that at least two circles are fixed on the shell body (1)
Water absorption spongy mass (72) is also gripped between raised (71), the adjacent rubber bumps (71).
2. intelligent negative pressure controller according to claim 1, it is characterised in that described compression fittings (6) use pipe spiral shell
Line snap joint or copper pipe welded type mounting structure are fixedly linked with the shell body (1), and in integrated jointless structure.
3. intelligent negative pressure controller according to claim 1, it is characterised in that the circuit board containing micro-control unit
(8) provided with low voltage starting or low pressure stopping control circuit (81), high voltage startup or high pressure stopping control circuit (82), reversely control
Circuit (83) processed, deferred action control circuit (84), error clear circuit (85), unit switching circuit (86), leakage pressure protection electricity
Road (87), cipher protection circuit (88) and volt circuit (89) is picked up automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621486616.5U CN206431496U (en) | 2016-12-31 | 2016-12-31 | Intelligent negative pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621486616.5U CN206431496U (en) | 2016-12-31 | 2016-12-31 | Intelligent negative pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206431496U true CN206431496U (en) | 2017-08-22 |
Family
ID=59584976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621486616.5U Active CN206431496U (en) | 2016-12-31 | 2016-12-31 | Intelligent negative pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206431496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043784A (en) * | 2019-05-21 | 2019-07-23 | 广州海同工业技术有限公司 | A kind of numerical control pressure adjusting oil addition machine |
-
2016
- 2016-12-31 CN CN201621486616.5U patent/CN206431496U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043784A (en) * | 2019-05-21 | 2019-07-23 | 广州海同工业技术有限公司 | A kind of numerical control pressure adjusting oil addition machine |
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