CN204189041U - Ultrapure water machine reserve tank stepless fluid level control device - Google Patents
Ultrapure water machine reserve tank stepless fluid level control device Download PDFInfo
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- CN204189041U CN204189041U CN201420667678.0U CN201420667678U CN204189041U CN 204189041 U CN204189041 U CN 204189041U CN 201420667678 U CN201420667678 U CN 201420667678U CN 204189041 U CN204189041 U CN 204189041U
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- electric capacity
- reserve tank
- ultrapure water
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- water machine
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Abstract
The utility model proposes a kind of ultrapure water machine reserve tank stepless fluid level control device, comprise: level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit, described level pressure sensor perception ultrapure water machine reserve tank liquid-level pressure, described level pressure sensor signal output part connection mode number converter, described analog to digital converter digital interface connects central processing unit, described level pressure sensor is installed on bottom ultrapure water machine reserve tank, described driving circuit connects driver, described driver connects central processing unit, mains power is provided to central processing unit by driver.
Description
Technical field
The utility model relates to automatic field, particularly relates to a kind of ultrapure water machine reserve tank stepless fluid level control device.
Background technology
Fig. 1 and Fig. 2 is traditional reserve tank liquid level controlling method, Fig. 1 utilizes link-type floating-ball level switch to realize, principle of work is arrange multiple spot magnetic reed switch as required by the nonmagnetic metal of sealing or engineering plastic sebific duct, again the ball float with built-in magnetic system to be fixed in body tube on magnetic reed switch relevant position, ball float is fluctuated within the specific limits, the magnetic systems in ball float is utilized to go trigger the closed of magnetic reed switch or disconnect through body tube, to produce switch motion, reach the object controlling liquid level, be generally used for middle-size and small-size reserve tank.
Shortcoming:
1. need to select or customization is applicable to the link-type floating-ball level switch of reserve tank length, and liquid level for controlling fixing after, just cannot adjust, reselect or customize another group link-type floating-ball level switch.
2. need multiple on-off model acceptance point, increase the cost of control core.
Fig. 2 utilizes floating-ball level switch to realize, and principle of work is same link-type floating-ball level switch, can be widely used in various reserve tank.
Shortcoming:
1. after the liquid level for controlling is fixing, can adjust, but need bore new fixed hole position on water tank, former fixed hole position also needs to try every possible means to mend, and relevant circuit also needs to reconnect, time-consuming.
2. need multiple on-off model acceptance point, increase the cost of control core.
Utility model content
The utility model is intended at least solve the technical matters existed in prior art, especially innovatively proposes a kind of ultrapure water machine reserve tank stepless fluid level control device.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of ultrapure water machine reserve tank stepless fluid level control device, and its key is, comprising: level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit,
Described level pressure sensor is installed on bottom ultrapure water machine reserve tank, described level pressure sensor perception ultrapure water machine reserve tank liquid-level pressure, described level pressure sensor signal output part connection mode number converter signal input part, described analog to digital converter digital output interface connects central processing unit, the output terminal of described central processing unit connects driver Enable Pin, the output terminal of described driver connects driving circuit, and described driving circuit drives driver to carry out Liquid level to ultrapure water machine reserve tank.
The beneficial effect of technique scheme is: by the collaborative work of level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit, and realize liquid level and control, structure is simple, reasonable in design.
Described ultrapure water machine reserve tank stepless fluid level control device, preferably, also comprise touch-screen, described touch-screen connects central processing unit by touch screen circuitry, and described touch-screen is for showing the liquid-level pressure situation of ultrapure water machine reserve tank.
The beneficial effect of technique scheme is: by the design of touch-screen, observe liquid level more intuitively.
Described ultrapure water machine reserve tank stepless fluid level control device, preferably, also comprises mu balanced circuit,
Described filter circuit of pressure-stabilizing connects central processing unit, for voltage regulation filtering.
The beneficial effect of technique scheme is: by filter circuit of pressure-stabilizing, ensures level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit, steady operation.
Described ultrapure water machine reserve tank stepless fluid level control device, preferably, described filter circuit of pressure-stabilizing comprises:
First electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the first inductance and the first diode,
Described first electric capacity one end connects second electric capacity one end, described first electric capacity other end ground connection, the described second electric capacity other end connects the 3rd electric capacity one end, the described 3rd electric capacity other end connects second electric capacity one end and the 4th electric capacity one end respectively, described 4th electric capacity one end also connects the first diode cathode, the described 4th electric capacity other end connects the 3rd electric capacity one end and the 5th electric capacity one end respectively, described connects first inductance one end without the electric capacity other end, the described first inductance other end connects the first diode cathode, described first diode cathode connects central processing unit, described 5th electric capacity one end connects the 6th electric capacity one end and the 7th electric capacity one end respectively, the described 6th electric capacity other end is connected central processing unit with the 7th electric capacity other end.
The beneficial effect of technique scheme is: described filter circuit of pressure-stabilizing is reasonable in design.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
By the collaborative work of level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit, realize liquid level and control, structure is simple, reasonable in design.By the design of touch-screen, observe liquid level more intuitively.By filter circuit of pressure-stabilizing, ensure level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit, steady operation.Described filter circuit of pressure-stabilizing is reasonable in design.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the first schematic diagram in prior art;
Fig. 2 is the second schematic diagram in prior art;
Fig. 3 is the utility model ultrapure water machine reserve tank stepless fluid level control device general illustration;
Fig. 4 is the utility model ultrapure water machine reserve tank stepless fluid level control device detailed schematic;
Fig. 5 is the utility model ultrapure water machine reserve tank stepless fluid level control device filter circuit of pressure-stabilizing schematic diagram;
Fig. 6 is the utility model ultrapure water machine reserve tank stepless fluid level control device filter circuit of pressure-stabilizing schematic diagram.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
As shown in Figure 3,4, the utility model provides a kind of ultrapure water machine reserve tank stepless fluid level control device, and its key is, comprising: level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit,
Described level pressure sensor is installed on bottom ultrapure water machine reserve tank, described level pressure sensor perception ultrapure water machine reserve tank liquid-level pressure, described level pressure sensor signal output part connection mode number converter signal input part, described analog to digital converter digital output interface connects central processing unit, the output terminal of described central processing unit connects driver Enable Pin, the output terminal of described driver connects driving circuit, and described driving circuit drives driver to carry out Liquid level to ultrapure water machine reserve tank.
The beneficial effect of technique scheme is: by the collaborative work of level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit, and realize liquid level and control, structure is simple, reasonable in design.
Described ultrapure water machine reserve tank stepless fluid level control device, preferably, also comprise touch-screen, described touch-screen connects central processing unit by touch screen circuitry, and described touch-screen is for showing the liquid-level pressure situation of ultrapure water machine reserve tank.
The beneficial effect of technique scheme is: by the design of touch-screen, observe liquid level more intuitively.
As shown in Figure 5,6, described ultrapure water machine reserve tank stepless fluid level control device, preferably, also comprises mu balanced circuit,
Described filter circuit of pressure-stabilizing connects central processing unit, for voltage regulation filtering.
The beneficial effect of technique scheme is: by filter circuit of pressure-stabilizing, ensures level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit, steady operation.
Described ultrapure water machine reserve tank stepless fluid level control device, preferably, described filter circuit of pressure-stabilizing comprises:
First electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the first inductance and the first diode,
Described first electric capacity one end connects second electric capacity one end, described first electric capacity other end ground connection, the described second electric capacity other end connects the 3rd electric capacity one end, the described 3rd electric capacity other end connects second electric capacity one end and the 4th electric capacity one end respectively, described 4th electric capacity one end also connects the first diode cathode, the described 4th electric capacity other end connects the 3rd electric capacity one end and the 5th electric capacity one end respectively, described connects first inductance one end without the electric capacity other end, the described first inductance other end connects the first diode cathode, described first diode cathode connects central processing unit, described 5th electric capacity one end connects the 6th electric capacity one end and the 7th electric capacity one end respectively, the described 6th electric capacity other end is connected central processing unit with the 7th electric capacity other end.
The beneficial effect of technique scheme is: described filter circuit of pressure-stabilizing is reasonable in design.
Utilize level pressure sensor to realize, principle of work is the pressure that sensor receives liquid level, sends analog signals, after control core Received signal strength, is converted to available digital quantity through counter process, reaches the object controlling liquid level.Only needing at the bottom of reserve tank bucket, provide an instrument connection position when installing first, controlling liquid level for changing, do not need to change hardware itself.Control core also only needs to provide a Signal reception point, and be different from multiple Signal reception points of Fig. 1 and Fig. 2, wherein level pressure sensor is KURZ pressure liquid level sensor.Central processing unit is ARM9 processor 200MHZ, and described circuit model is the normally used models of those skilled in the art, and processor working routine is proven technique.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (4)
1. a ultrapure water machine reserve tank stepless fluid level control device, is characterized in that, comprising: level pressure sensor, analog to digital converter, central processing unit, driver, driving circuit,
Described level pressure sensor is installed on bottom ultrapure water machine reserve tank, described level pressure sensor perception ultrapure water machine reserve tank liquid-level pressure, described level pressure sensor signal output part connection mode number converter signal input part, described analog to digital converter digital output interface connects central processing unit, the output terminal of described central processing unit connects driver Enable Pin, the output terminal of described driver connects driving circuit, and described driving circuit drives driver to carry out Liquid level to ultrapure water machine reserve tank.
2. ultrapure water machine reserve tank stepless fluid level control device according to claim 1, it is characterized in that, also comprise touch-screen, described touch-screen connects central processing unit by touch screen circuitry, and described touch-screen is for showing the liquid-level pressure situation of ultrapure water machine reserve tank.
3. ultrapure water machine reserve tank stepless fluid level control device according to claim 1, is characterized in that, also comprise mu balanced circuit,
Described filter circuit of pressure-stabilizing connects central processing unit, for voltage regulation filtering.
4. ultrapure water machine reserve tank stepless fluid level control device according to claim 3, it is characterized in that, described filter circuit of pressure-stabilizing comprises:
First electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the first inductance and the first diode,
Described first electric capacity one end connects second electric capacity one end, described first electric capacity other end ground connection, the described second electric capacity other end connects the 3rd electric capacity one end, the described 3rd electric capacity other end connects second electric capacity one end and the 4th electric capacity one end respectively, described 4th electric capacity one end also connects the first diode cathode, the described 4th electric capacity other end connects the 3rd electric capacity one end and the 5th electric capacity one end respectively, the described 5th electric capacity other end connects first inductance one end, the described first inductance other end connects the first diode cathode, described first diode cathode connects central processing unit, described 5th electric capacity one end connects the 6th electric capacity one end and the 7th electric capacity one end respectively, the described 6th electric capacity other end is connected central processing unit with the 7th electric capacity other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420667678.0U CN204189041U (en) | 2014-11-07 | 2014-11-07 | Ultrapure water machine reserve tank stepless fluid level control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420667678.0U CN204189041U (en) | 2014-11-07 | 2014-11-07 | Ultrapure water machine reserve tank stepless fluid level control device |
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| CN204189041U true CN204189041U (en) | 2015-03-04 |
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| CN201420667678.0U Expired - Fee Related CN204189041U (en) | 2014-11-07 | 2014-11-07 | Ultrapure water machine reserve tank stepless fluid level control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345745A (en) * | 2014-11-07 | 2015-02-11 | 重庆颐洋企业发展有限公司 | Stepless liquid level control device of hyperpure water machine water storage tank |
-
2014
- 2014-11-07 CN CN201420667678.0U patent/CN204189041U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345745A (en) * | 2014-11-07 | 2015-02-11 | 重庆颐洋企业发展有限公司 | Stepless liquid level control device of hyperpure water machine water storage tank |
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| 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: 20150304 Termination date: 20151107 |
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| EXPY | Termination of patent right or utility model |