CN204454551U - A kind of liquid sucking device with level sensing - Google Patents
A kind of liquid sucking device with level sensing Download PDFInfo
- Publication number
- CN204454551U CN204454551U CN201520104317.XU CN201520104317U CN204454551U CN 204454551 U CN204454551 U CN 204454551U CN 201520104317 U CN201520104317 U CN 201520104317U CN 204454551 U CN204454551 U CN 204454551U
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- China
- Prior art keywords
- liquid
- contact tube
- sucking device
- contact rod
- liquid sucking
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of liquid sucking device with level sensing, comprise pipette, first connecting element, contact rod, the contact tube that inside face and the first connecting element are fixedly connected, gap insulation distribution between contact rod and contact tube, liquid sucking device also comprises the control setup be connected with contact rod upper end and contact tube upper end circuitry phase respectively, be connected with control setup circuitry phase for the actuating device by liquid sucking-off from fluid reservoir, when the lower end of the liquid levels in fluid reservoir higher than contact rod and contact tube, C/LOOP is formed between contact rod and contact tube, control setup detects that liquid level signal starts actuating device, when the lower end of the liquid levels in fluid reservoir lower than contact rod or contact tube, form open circuit between contact rod and contact tube, control setup detects without liquid level signal at stop actuating device.The utility model liquid sucking device is detecting the startup and closedown of passing through control setup accessory drive in fluid reservoir while liquid level, and actv. protects actuating device.
Description
Technical field
the utility model relates to a kind of liquid sucking device with level sensing.
Background technology
in the industries such as chemical frbre industry, food service industry, environmental sanitation, also need to control to protect infusion pump to liquid level while use infusion pump extracts mother liquor from fluid reservoir.The existing device realizing these two functions is separated, installs comparatively loaded down with trivial details, safeguards also comparatively inconvenience.And for liquid level detection device, adopt float type level switch often, use ball float as movable part, just easily occur the phenomenon of jam.In addition, float type level switch is also poor for the comformability of the fluid reservoir of different depth.
Utility model content
the purpose of this utility model is to provide a kind of liquid sucking device with level sensing, and this liquid sucking device can carry out the open and close of accessory drive while detecting liquid level by control setup, structure is simple, and with low cost, service life is longer.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of liquid sucking device with level sensing, for imbitition from fluid reservoir, described liquid sucking device comprises one end and stretches into pipette in described fluid reservoir, be fixedly arranged on the first connecting element on described pipette outer peripheral face, the contact rod on described pipette outer peripheral face is fixed on by described first connecting element, the contact tube that inside face and described first connecting element are fixedly connected, phase gap insulation distribution between described contact rod and described contact tube, described liquid sucking device also comprises the control setup be connected with described contact rod upper end and described contact tube upper end circuitry phase respectively, be connected with described control setup circuitry phase for the actuating device by the sucking-off from described fluid reservoir of described liquid, when the lower end of the liquid levels in described fluid reservoir higher than contact rod and contact tube, C/LOOP is formed between described contact rod and described contact tube, described control setup detects liquid level signal and starts described actuating device, when the lower end of the liquid levels in described fluid reservoir lower than described contact rod or described contact tube, form open circuit between described contact rod and described contact tube, described control setup detects without liquid level signal and closes described actuating device.
preferably, the setting that is parallel to each other with the axial line of described contact rod, the axial line of described contact tube respectively of the axial line of described pipette.
preferably, described liquid sucking device also comprises conducting strip, and described conducting strip is connected with the upper end of described contact tube and described control setup circuitry phase respectively.
preferably, described control setup comprises the liquid level relay be connected with the upper end of described contact rod and the upper end circuitry phase of described contact tube respectively, the PLC control module be connected with described actuating device circuitry phase, and described liquid level relay is connected with described PLC control module circuitry phase.
preferably, described liquid sucking device also comprises the seal cover cap for preventing the gas escape in described fluid reservoir be sheathed on described contact tube outer peripheral face of slip.
more preferably, described liquid sucking device also comprises the second connecting element for being fixed on by described seal cover cap on described contact tube.
preferably, described contact rod is also arranged with the 3rd connecting element, described 3rd connecting element is respectively with the outer peripheral face of described pipette with the inner peripheral surface of described contact tube is inconsistent is connected.
preferably, described actuating device is infusion pump.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: a kind of liquid sucking device with level sensing of the utility model, by fixing contact rod and contact tube at pipette lateral wall interval, the upper end of contact rod is connected with control setup circuitry phase respectively with the upper end of contact tube, liquid sucking device can be detected in fluid reservoir by the startup of control setup accessory drive and closedown while liquid level, and actv. protects actuating device; This liquid sucking device does not exist movable part, actv. avoids the generation of stucking phenomena and accident simultaneously.The liquid sucking device structure of this band level sensing is simple, and with low cost, service life is longer.
Accompanying drawing explanation
accompanying drawing 1 is the connection structure schematic diagram of pipette and contact rod, contact tube;
accompanying drawing 2 is the structural representation of the utility model device when using in fluid reservoir.
wherein: 1, fluid reservoir; 2, pipette; 3, the first connecting element; 4, contact rod; 5, contact tube; 6, liquid level relay; 7, PLC control module; 8, actuating device; 9, conducting strip; 10, seal cover cap; 11, the second connecting element; 12, the 3rd connecting element.
Detailed description of the invention
below in conjunction with accompanying drawing, the technical solution of the utility model is further elaborated.
shown in Fig. 1-2, above-mentioned a kind of liquid sucking device with level sensing, for imbitition from fluid reservoir 1.
this liquid sucking device is comprised one end and stretches into the pipette 2 in fluid reservoir 1, the first connecting element 3 be fixedly connected on pipette 2 outer peripheral face, to be fixed on the contact tube 5 that contact rod 4, inside face and the first connecting element 3 on pipette 2 outer peripheral face be fixedly connected by this first connecting element 3, in the present embodiment, this first connecting element 3 is insulated plastic materials and parts, and this first connecting element 3 fixed cover is located in pipette 2.The setting that the axial line of this pipette 2 is parallel to each other with the axial line of contact rod 4, the axial line of contact tube 5 respectively.
this contact rod 4 is positioned at contact tube 5, is interfixed and gap distribution and mutually insulated between this contact rod 4 and contact tube 5 by the first connecting element 3; Interfixed and gap distribution by the first connecting element 3 between this contact rod 4 and pipette 2.In the present embodiment, in order to better fix pipette 2, contact rod 4 and contact tube 5, contact rod 4 is arranged with the 3rd connecting element 12,3rd connecting element 12 is stop-off plastics cover, the outer peripheral face of this stop-off plastics cover is conflicted respectively on the outer peripheral face of pipette 2, on the inner peripheral surface of contact tube 5, in the present embodiment, the 3rd connecting element 12 has two, and two the 3rd connecting elements 12 are distributed on contact rod 4 along the length bearing of trend of contact rod 4.
this liquid sucking device also comprise be connected with contact rod 4 upper end and contact tube 5 upper end circuitry phase respectively control setup, be connected with this control setup circuitry phase for the actuating device 8 by liquid sucking-off from fluid reservoir 1, in the present embodiment, this actuating device 8 is infusion pump.
this liquid sucking device is also provided with conducting strip 9, and this conducting strip 9 is connected with the upper end of contact tube 5 and control setup circuitry phase respectively.
above-mentioned control setup comprises the liquid level relay 6 be connected with upper end and conducting strip 9 circuitry phase of contact rod 4 respectively, the PLC control module 7 be connected with actuating device 8 circuitry phase, and this liquid level relay 6 is connected with PLC control module 7 circuitry phase.
when the lower end of the liquid levels in fluid reservoir 1 higher than contact rod 4 and contact tube 5, C/LOOP is formed between this contact rod 4 and contact tube 5, liquid level relay 6 detects liquid level signal and passes to PLC control module 7, PLC control module 7 thus start actuating device extracting liquid from fluid reservoir 1; When the lower end of the liquid levels in fluid reservoir 1 lower than contact rod 4 or contact tube 5; open circuit is formed between contact rod 4 and contact tube 5; liquid level relay 6 detects without liquid level signal and passes to PLC control module 7; this PLC control module 7 closes actuating device 8; can prevent actuating device 8 from dallying by this setting, actv. protects this actuating device 8.
in order to prevent the smell from dispersing in fluid reservoir 1, what this liquid sucking device also comprised slip is sheathed on seal cover cap 10 on contact tube 5 outer peripheral face, for sealing lid 10 being fixed on the second connecting element 11 on contact tube 5.By above-mentioned setting, actv. prevents the loss of smell in fluid reservoir 1, serves protective effect to the healthy and safe of workman; For the fluid reservoir 1 of different depth, only need contact tube 5 to slide up and down along seal cover cap 10, regulate contact tube 5 to be positioned at the length of seal cover cap 10 lower end.
concrete working process of setting forth lower the present embodiment below:
first the relative position of contact tube 5 and seal cover cap 10 is regulated to adapt to this fluid reservoir 1 according to the depth of fluid reservoir 1, after adjustment, by the second connecting element 11, seal cover cap 10 and contact tube 5 are interfixed, then contact tube 5 is put into fluid reservoir 1, seal cover cap 10 seals the tank mouth of fluid reservoir 1 to prevent smell from dispersing.
when the lower end of the liquid levels in fluid reservoir 1 higher than contact rod 4 and contact tube 5, C/LOOP is formed between this contact rod 4 and contact tube 5, liquid level relay 6 detects liquid level signal and passes to PLC control module 7, PLC control module 7 thus start actuating device 8 extracting liquid from fluid reservoir 1; When the lower end of the liquid levels in fluid reservoir 1 lower than contact rod 4 or contact tube 5; open circuit is formed between contact rod 4 and contact tube 5; liquid level relay 6 detects without liquid level signal and passes to PLC control module 7; this PLC control module 7 closes actuating device 8; can prevent actuating device 8 from dallying by this setting, actv. protects this actuating device 8.
this liquid sucking device does not have movable part, actv. avoids the generation of stucking phenomena and accident simultaneously.
above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to person skilled in the art can be understood content of the present utility model and be implemented; protection domain of the present utility model can not be limited with this; all equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed in protection domain of the present utility model.
Claims (8)
1. the liquid sucking device with level sensing, for imbitition from fluid reservoir, it is characterized in that: described liquid sucking device comprises one end and stretches into pipette in described fluid reservoir, be fixedly arranged on the first connecting element on described pipette outer peripheral face, the contact rod on described pipette outer peripheral face is fixed on by described first connecting element, the contact tube that inside face and described first connecting element are fixedly connected, phase gap insulation distribution between described contact rod and described contact tube, described liquid sucking device also comprises the control setup be connected with described contact rod upper end and described contact tube upper end circuitry phase respectively, be connected with described control setup circuitry phase for the actuating device by the sucking-off from described fluid reservoir of described liquid, when the lower end of the liquid levels in described fluid reservoir higher than contact rod and contact tube, C/LOOP is formed between described contact rod and described contact tube, described control setup detects liquid level signal and starts described actuating device, when the lower end of the liquid levels in described fluid reservoir lower than described contact rod or described contact tube, form open circuit between described contact rod and described contact tube, described control setup detects without liquid level signal and closes described actuating device.
2. a kind of liquid sucking device with level sensing according to claim 1, is characterized in that: the setting that the axial line of described pipette is parallel to each other with the axial line of described contact rod, the axial line of described contact tube respectively.
3. a kind of liquid sucking device with level sensing according to claim 1, is characterized in that: described liquid sucking device also comprises conducting strip, and described conducting strip is connected with the upper end of described contact tube and described control setup circuitry phase respectively.
4. a kind of liquid sucking device with level sensing according to claim 1, it is characterized in that: described control setup comprises the liquid level relay be connected with the upper end of described contact rod and the upper end circuitry phase of described contact tube respectively, the PLC control module be connected with described actuating device circuitry phase, and described liquid level relay is connected with described PLC control module circuitry phase.
5. a kind of liquid sucking device with level sensing according to claim 1, is characterized in that: described liquid sucking device also comprises the seal cover cap for preventing the gas escape in described fluid reservoir be sheathed on described contact tube outer peripheral face of slip.
6. a kind of liquid sucking device with level sensing according to claim 5, is characterized in that: described liquid sucking device also comprises the second connecting element for being fixed on by described seal cover cap on described contact tube.
7. a kind of liquid sucking device with level sensing according to claim 1, is characterized in that: described contact rod is also arranged with the 3rd connecting element, and described 3rd connecting element is respectively with the outer peripheral face of described pipette with the inner peripheral surface of described contact tube is inconsistent is connected.
8. a kind of liquid sucking device with level sensing according to claim 1, is characterized in that: described actuating device is infusion pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104317.XU CN204454551U (en) | 2015-02-13 | 2015-02-13 | A kind of liquid sucking device with level sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104317.XU CN204454551U (en) | 2015-02-13 | 2015-02-13 | A kind of liquid sucking device with level sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204454551U true CN204454551U (en) | 2015-07-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520104317.XU Withdrawn - After Issue CN204454551U (en) | 2015-02-13 | 2015-02-13 | A kind of liquid sucking device with level sensing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204454551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773699A (en) * | 2015-02-13 | 2015-07-15 | 江苏新美星包装机械股份有限公司 | Liquid suction device with liquid level detection function |
-
2015
- 2015-02-13 CN CN201520104317.XU patent/CN204454551U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773699A (en) * | 2015-02-13 | 2015-07-15 | 江苏新美星包装机械股份有限公司 | Liquid suction device with liquid level detection function |
| CN104773699B (en) * | 2015-02-13 | 2017-05-10 | 江苏新美星包装机械股份有限公司 | Liquid suction device with liquid level detection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150708 Effective date of abandoning: 20170510 |
|
| AV01 | Patent right actively abandoned |