CN204360227U - Corrosion-resistant float level switch - Google Patents
Corrosion-resistant float level switch Download PDFInfo
- Publication number
- CN204360227U CN204360227U CN201520050003.6U CN201520050003U CN204360227U CN 204360227 U CN204360227 U CN 204360227U CN 201520050003 U CN201520050003 U CN 201520050003U CN 204360227 U CN204360227 U CN 204360227U
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- anticorrosive
- hollow
- glass
- quartz
- level switch
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- Withdrawn - After Issue
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Abstract
The utility model discloses an anticorrosive floater liquid level switch, include: the anti-corrosion inserted rod consists of a sealed hollow column, a hollow pipe, a hollow detection rod and a pin sheath which are sequentially connected into an integral structure; the anti-corrosion ring body is fixedly arranged at the joint of the hollow pipe and the hollow detection rod; the position setting chip is arranged in the hollow detection rod, and an output lead of the position setting chip extends out of the sealed hollow column through the hollow tube; the anti-corrosion floating ball is movably arranged outside the hollow detection rod and can move along the hollow detection rod; the high-temperature resistant annular magnet is arranged in the corrosion-resistant floating ball, movably arranged outside the hollow detection rod and capable of being magnetically coupled with a position setting chip arranged in the hollow detection rod; the anti-corrosion pin is arranged in the pin sheath. The liquid level switch has simple and portable integral structure, is very suitable for glass (or quartz) containers with smaller bearing capacity, has low cost, and can replace expensive ultrasonic liquid level switches in occasions with high requirement on purity, thereby greatly reducing the production cost.
Description
Technical field
The utility model relates to floating-ball level switch, particularly relates to the anticorrosive floating-ball level switch that one is applied in Liquid level in glass (or quartz) container.
Background technology
In recent years, level switch is widely used in automation field, but but do not exist in the market cheap, corrosion resistance strong, interference can not be introduced to measured medium and be convenient to the level switch that glass (or quartz) seal of vessel installs and use.
In current market product, level switch mainly contains following several: tuning-fork type level switch, capacitor hydraulic switch, ultrasonic liquid level switch, floating-ball level switch.Wherein, tuning-fork type level switch by a pair piezoelectric crystal be arranged on tuning fork pedestal, tuning fork is shaken under certain resonant frequency, when determining the position of liquid level, tuning fork needs and medium contact, and now tuning-fork type level switch is on the market many is processed by stainless steel, be not suitable for Korrosionsmedium or the use to the very high rectification process of purity requirement etc., and stainless screw thread and flange mounting means are difficult to level switch sealing be arranged on glass (or quartz) container; Capacitor hydraulic switch be by probe and tank skin between capacitance change in recent years, level switch is widely used in automation field, but but do not exist in the market cheap, corrosion resistance strong, interference can not be introduced to measured medium and be convenient to the level switch that glass (or quartz) seal of vessel installs and use.
In current market product, level switch mainly contains following several: tuning-fork type level switch, capacitor hydraulic switch, ultrasonic liquid level switch, floating-ball level switch.Wherein, tuning-fork type level switch by a pair piezoelectric crystal be arranged on tuning fork pedestal, tuning fork is shaken under certain resonant frequency, when determining the position of liquid level, tuning fork needs and medium contact, and now tuning-fork type level switch is on the market many is processed by stainless steel, be not suitable for Korrosionsmedium or the use to the very high rectification process of purity requirement etc., and stainless screw thread and flange mounting means are difficult to level switch sealing be arranged on glass (or quartz) container; Capacitor hydraulic switch determines liquid level position by the change of capacitance between probe and tank skin, but tank skin need be made up of conductive material, cannot be used for the low-down glass of electrical conductivity (or quartz) container; The main product of current ultrasonic liquid level switch is the mounted ultrasonic liquid level switch in side, it adopts ultrasonic detection technology, solve the deficiency of traditional level switch, the not impact of the foam, steam etc. on liquid body surface, utilize the aftershock signal of ultrasound wave in tube wall medium, stability and penetrability are increased substantially, be applicable to the container of multiple material, comprise: alloy steel, stainless steel, plastics, glass and various synthetic materials etc., but ultrasonic liquid level switch is expensive, be not suitable for miniaturization, application scenario that cost is low.
Floating-ball level switch because of structure simple, light, cheap, be widely used, and ball float itself has constant weight, be very suitable for the detection of the medium liquid level position fluctuating larger, but floating-ball level switch material at present mostly on the market is stainless steel, for Korrosionsmedium or inapplicable to very high rectification process of purity requirement etc., and the screw thread of stainless steel and flange mounting means are difficult to floating-ball level switch sealing be arranged on glass (or quartz) container, in order to solve corrosion resistance and interference problem, current way is in stainless steel skin plating Teflon material, but Teflon itself belongs to organism category, to organic solvent or the strong medium of corrosivity still exist introduce interference may, especially the control of extraordinary high-purity solvent liquid level in glass (or quartz) container can not be used to.Liquid level position is determined in change, but tank skin need be made up of conductive material, cannot be used for the low-down glass of electrical conductivity (or quartz) container; The main product of current ultrasonic liquid level switch is the mounted ultrasonic liquid level switch in side, it adopts ultrasonic detection technology, solve the deficiency of traditional level switch, the not impact of the foam, steam etc. on liquid body surface, utilize the aftershock signal of ultrasound wave in tube wall medium, stability and penetrability are increased substantially, be applicable to the container of multiple material, comprise: alloy steel, stainless steel, plastics, glass and various synthetic materials etc., but ultrasonic liquid level switch is expensive, be not suitable for miniaturization, application scenario that cost is low.
Floating-ball level switch because of structure simple, light, cheap, be widely used, and ball float itself has constant weight, be very suitable for the detection of the medium liquid level position fluctuating larger, but floating-ball level switch material at present mostly on the market is stainless steel, for Korrosionsmedium or inapplicable to very high rectification process of purity requirement etc., and the screw thread of stainless steel and flange mounting means are difficult to floating-ball level switch sealing be arranged on glass (or quartz) container, in order to solve corrosion resistance and interference problem, current way is in stainless steel skin plating Teflon material, but Teflon itself belongs to organism category, to organic solvent or the strong medium of corrosivity still exist introduce interference may, especially the control of extraordinary high-purity solvent liquid level in glass (or quartz) container can not be used to.
Utility model content
Based on the problem existing for above-mentioned prior art, the utility model provides a kind of anticorrosive floating-ball level switch, can seal very easily and be arranged on glass (or quartz) container, anticorrosively can not introduce interfering material and long service life.
For solving the problems of the technologies described above, the utility model provides a kind of anticorrosive floating-ball level switch, comprising:
Anticorrosive inserted link, it is made up of the sealing open column of the structure that is connected as one successively, hollow tubular, hollow test rod and pin sheath, wherein, is communicated with in described sealing open column with interior with hollow test rod in hollow tubular; Be arcuate structure bottom described sealing open column, the outside surface of this arcuate structure is frosting;
Anticorrosive ring body, is fixedly located at the hollow tubular of described anticorrosive inserted link and the junction of hollow test rod;
Position setting chip, is located in the hollow test rod of described anticorrosive inserted link, and the output lead of this position setting chip extend out to outside described sealing open column through the hollow tubular of described anticorrosive inserted link;
Anticorrosive ball float, is actively installed on outside the hollow test rod of described anticorrosive inserted link, can move along described hollow test rod;
High-temperature resistant ring-shaped magnet, is located in described anticorrosive ball float, is actively installed on outside the hollow test rod of described anticorrosive inserted link, can with the described position setting chip magnetic coupling that arranges in described hollow test rod;
Anticorrosive pin, is located in the pin sheath of described anticorrosive inserted link.
The beneficial effects of the utility model are: by adopting by the sealing open column of the structure that is connected as one successively, hollow tubular, the anticorrosive inserted link that hollow test rod and pin sheath are formed, position setting chip is located in hollow test rod, by anticorrosive ring body and anticorrosive pin, the high-temperature resistant ring-shaped magnet of anticorrosive ball float and Qi Nei is limited to activity on hollow test rod, liquid level position signalling is sent by high-temperature resistant ring-shaped magnet and position setting chip magnetic coupling, owing to all adopting anticorrosive parts with each parts of fluid level contacts, interfering material can not be introduced to the medium in glass (or quartz) container, be particularly suitable for the very high rectification process of purity requirement or reaction, the serviceable life greatly can improving floating-ball level switch of each anticorrosive parts, form frosted plug by the arcuate structure with frosting bottom sealing open column, stainless steel screw thread can be solved or flange is difficult to seal the problem of installing on glass (or quartz) container, this level switch one-piece construction is simple, light, be very suitable for the less glass of bearing capacity (or quartz) container, and with low cost, for the occasion high to purity requirement, replace expensive ultrasonic type level switch with it, greatly can reduce production cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the anticorrosive floating-ball level switch that the utility model embodiment provides;
Parts in Fig. 1 representated by each label are: 1: glass (or quartz) top cover, 2: glass (or quartz) inserted link, 3: glass (or quartz) ball float, 4: high-temperature resistant ring-shaped magnet, 5: glass (or quartz) pin, 6: position setting chip, 7: output lead;
Fig. 2 is the structural representation of the anticorrosive inserted link of the anticorrosive floating-ball level switch that the utility model embodiment provides;
Parts in Fig. 2 representated by each label are: 8: hollow glass (or quartz) post, 9: glass (or quartz) frosted plug, 10: glass (or quartz) hollow tubular, 11: glass (or quartz) ring body, 12: glass (or quartz) test rod, 13: glass (or quartz) pin sheath.
Embodiment
Be clearly and completely described the technical scheme in the utility model embodiment below, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection domain of the present utility model.
As shown in Figure 1, 2, the utility model embodiment provides a kind of anticorrosive floating-ball level switch, is conveniently used in Liquid level in glass (or quartz) container, comprises:
Anticorrosive inserted link, it is made up of the sealing open column of the structure that is connected as one successively, hollow tubular, hollow test rod and pin sheath, wherein, is communicated with in sealing open column with interior with hollow test rod in hollow tubular; Be arcuate structure bottom sealing open column, the outside surface of this arcuate structure is frosting;
Anticorrosive ring body, is fixedly located at the hollow tubular of anticorrosive inserted link and the junction of hollow test rod;
Position setting chip, is located in the hollow test rod of anticorrosive inserted link, and the output lead of this position setting chip extend out to outside sealing open column through the hollow tubular of anticorrosive inserted link;
Anticorrosive ball float, is actively installed on outside the hollow test rod of anticorrosive inserted link, can move along hollow test rod;
High-temperature resistant ring-shaped magnet, is located in anticorrosive ball float, is actively installed on outside the hollow test rod of anticorrosive inserted link, can with the tongue tube chip magnetic coupling that arranges in hollow test rod;
Anticorrosive pin, is located in the pin sheath of anticorrosive inserted link.
In above-mentioned floating-ball level switch, anticorrosive inserted link adopts glass inserted link or quartzy inserted link, and wherein, sealing open column adopts glass capsulation open column or quartz sealing open column; Hollow tubular adopts glass hollow pipe or quartzy hollow tubular; Hollow test rod adopts glass hollow test rod or quartzy hollow test rod; Pin sheath adopts glass pin sheath or quartzy pin sheath; Anticorrosive ring body adopts glass ring body or quartzy ring body; Anticorrosive ball float adopts glass floating ball or quartzy ball float; Anticorrosive pin adopts glass pin or quartzy pin.Concrete, glass (or quartz) inserted link is by six Structure composing of one: be topmost glass (or quartz) the sealing open column being about 10mm, sealing open column inside is through frosted process for sealing mounting glass (or quartz) top cover, and glass (or quartz) top seal be located in hollow cylinder upper end open and forms sealing open column; The bottom of hollow glass (or quartz) sealing open column is arcuate structure, outside surface is frosting, it is the equal of the frosted plug of glass (or quartz), for floating-ball level switch sealing is arranged on glass (or quartz) container, the diameter of this frosted plug depends on glass (or quartz) ball float outside dimension, ball float external diameter is larger, and on container, the size of frosted mouth is larger, and frosted plug diameter is also larger; The below of frosted plug is glass (or quartz) elongated hollow tube being placed in glass (or quartz) internal tank, for extending the length of floating-ball level switch, to be deep into the liquid level position that glass (or quartz) container domestic demand controls, the length of glass (or quartz) hollow tubular depends on the distance of frosted mouth on controlled liquid level and glass (or quartz) container; Glass (or quartz) ring body that diameter is a bit larger tham glass (or quartz) ball float internal diameter more below, for ball float being fixed on position setting chip relevant position; The below of ring body is glass (or quartz) hollow test rod, the wherein built-in position setting chip as floating-ball level switch, overcoat measuring sensor glass (or quartz) ball float, the internal diameter size of hollow test rod depends on the external diameter of position setting chip, external diameter size depends on the internal diameter of glass (or quartz) ball float, length is greater than the height of glass (or quartz) ball float, and glass (or quartz) ball float is fluctuated within the specific limits; Above-mentioned five inside configuration are that straight line communicates, placement location setting chip is facilitated to install, bottom is glass (or quartz) pin sheath, this structure does not communicate with other five structures, there are oblique two holes run through on surface, for assigning glass (or quartz) pin, glass (or quartz) ball float is stoped to depart from the hollow test rod of glass (or quartz) inserted link.
In above-mentioned floating-ball level switch, position setting chip refer to be placed on glass (or quartz) inserted link hollow test rod in the chip of desired location, tongue tube chip can be adopted, when high-temperature resistant ring-shaped magnet and glass (or quartz) ball float rise with liquid level or fall, tongue tube chip produces the action of adhesive or disconnection, send switching signal, be transported to signal handling equipment by output lead.The high-temperature resistant ring-shaped magnet that glass (or quartz) ball float is built-in, as the measuring sensor of floating-ball level switch.Glass (or quartz) pin is for ensureing that glass (or quartz) ball float is movable within the scope of test rod all the time.Glass (or quartz) top cover is used for the opening of closed glass (or quartz) inserted link upper end hollow glass (or quartz) post; the position setting chip of protection level switch is injury-free; glass (or quartz) top cover keeps to the side position perforate in addition; for the output lead of level switch is guided to level switch outside, the connection of convenience and other instrument and equipments.
Below in conjunction with specific embodiment, the utility model is described in further detail
The anticorrosive level switch that the present embodiment provides comprises: position setting chip, glass (or quartz) inserted link, glass (or quartz) ball float, high-temperature resistant ring-shaped magnet, glass (or quartz) pin, glass (or quartz) top cover and output lead, this floating-ball level switch can not only be sealed easily to be arranged on glass (or quartz) container, realize liquid level monitoring in container, and the shell constructed from glass of level switch (or quartz) material processes, interfering material can not be introduced to measured medium, and its corrosion resistance is strong, greatly can improve the serviceable life of level switch.
Structure composing and each several part effect of the utility model level switch is described in detail below in conjunction with Fig. 1:
In Fig. 1,6 is position setting chip, refer to the tongue tube chip being placed on desired location in test rod 12 in glass (or quartz) inserted link, when glass (or quartz) ball float 3 of built-in high-temperature ring magnet 4 is with liquid level liter or when falling, in level switch, the tongue tube chip of desired location produces the action of adhesive or disconnection, send switching signal, be transported to signal handling equipment by output lead 7; 1 is glass (or quartz) top cover, for sealing the floating-ball level switch of this New Type Material, thus the position setting chip 6 of protection level switch is injury-free, an aperture is opened in its top edge position, for floating-ball level switch output lead 7 is drawn out to outside level switch, outer frosted process is carried out in its side, for the glass that is tightly connected (or quartz) inserted link 2; 2 is glass (or quartz) inserted link, and this part is integrative-structure, and inner for placing the position setting chip 6 of floating-ball level switch, this structure is made up of six fractions again, and it forms details and function will be described in detail later; 3 is glass (or quartz) ball float, inner hollow, and for placing high-temperature resistant ring-shaped magnet 4, the weight of this glass (or quartz) ball float and volume are determined by the minimum specific gravity factor than dense medium in glass (or quartz) container; 5 is glass (or quartz) pin, for guaranteeing that glass (or quartz) ball float 3 is movable in the scope of glass (or quartz) test rod 12, prevent glass (or quartz) ball float 3 to come off glass (or quartz) inserted link 2, during making, its afterbody slightly does bending process, improve level switch in security when working in medium of seething with excitement, detail can be observed in the drawings.
Below in conjunction with Fig. 2, the concrete formation of glass shown in Fig. 1 (or quartz) inserted link 2 and functions are described:
In Fig. 2,8 for being about hollow glass (or quartz) the sealing open column of 10mm, its inside through frosted process for sealing mounting glass (or quartz) top cover 1, 9 is glass (or quartz) frosted plug, its size is mated with the frosted bore of glass (or quartz) container, for floating-ball level switch sealing is fixedly mounted on glass (or quartz) container, because the frosted bore of container is determined by the external diameter of glass (or quartz) ball float 3, therefore the size of glass (or quartz) frosted plug 9 also can be followed the change of glass (or quartz) ball float 3 outside dimension and change, 10 is glass (or quartz) hollow tubular, for extending the length of floating-ball level switch, to be deep into the liquid level position that glass (or quartz) container domestic demand controls, the length for glass (or quartz) hollow tubular 10 depends on the distance of controlled liquid level and glass (or quartz) container frosted mouth, 11 is glass (or quartz) ring body, and its diameter is a bit larger tham the internal diameter of glass (or quartz) ball float 3, for glass (or quartz) ball float 3 is fixed on position setting chip 6 relevant position, 12 is glass (or quartz) test rod, the wherein position setting chip 6 of built-in floating-ball level switch, measuring sensor glass (or quartz) ball float 3 of overcoat floating-ball level switch, the internal diameter size of glass (or quartz) test rod 12 depends on the external diameter of position setting chip 6, external diameter size depends on the internal diameter of glass (or quartz) ball float 3, length is greater than the height of glass (or quartz) ball float 3, glass (or quartz) ball float 3 is fluctuated within the specific limits, above-mentioned five inside configuration are that straight line communicates, facilitate placement location setting chip 6, 13 is glass (or quartz) pin sheaths, this structure does not communicate with other structure, there are oblique two holes run through on surface, and for assigning glass (or quartz) pin, stops glass (or quartz) ball float 3 to depart from glass (or quartz) inserted link 2.In addition, the number of position setting chip 1, glass (or quartz) ring body 11, glass (or quartz) hollow test rod 12 and glass (or quartz) ball float 3 can be increased according to counting of the detection liquid level position of floating-ball level switch, realize multipoint mode Liquid level.
The anticorrosive floating-ball level switch of the utility model embodiment, be different from traditional floating-ball level switch, seal like a cork by glass (or quartz) the frosted plug bottom sealing open column and be installed on glass (or quartz) container, solve the problem that traditional floating-ball level switch is difficult to be tightly connected on glass (or quartz) container; In addition, utilize glass (or quartz) material to replace stainless steel, can avoid introducing interference, and improve the corrosion resistance of level switch, improve the serviceable life of level switch.The Liquid level that this level switch is used in glass (or quartz) container has following advantage: 1. adopt the processing of glass (or quartz) material, interfering material can not be introduced to the medium in glass (or quartz) container, be particularly suitable for the very high rectification process of purity requirement or reaction; 2. glass (or quartz) corrosion resistance is strong, greatly can improve the serviceable life of floating-ball level switch; 3. comprise glass (or quartz) frosted plug in glass (or quartz) hinge pedestal structure, stainless steel screw thread can be solved or flange is difficult to seal the problem of installing on glass (or quartz) container; 4. one-piece construction is simple, light, is very suitable for the less glass of bearing capacity (or quartz) container.5. with low cost, for the occasion high to purity requirement, replace expensive ultrasonic type level switch with it, greatly can reduce production cost.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (4)
1. an anticorrosive floating-ball level switch, is characterized in that, comprising:
Anticorrosive inserted link, it is made up of the sealing open column of the structure that is connected as one successively, hollow tubular, hollow test rod and pin sheath, wherein, is communicated with in described sealing open column with interior with hollow test rod in hollow tubular; Be arcuate structure bottom described sealing open column, the outside surface of this arcuate structure is frosting;
Anticorrosive ring body, is fixedly located at the hollow tubular of described anticorrosive inserted link and the junction of hollow test rod;
Position setting chip, is located in the hollow test rod of described anticorrosive inserted link, and the output lead of this position setting chip extend out to outside described sealing open column through the hollow tubular of described anticorrosive inserted link;
Anticorrosive ball float, is actively installed on outside the hollow test rod of described anticorrosive inserted link, can move along described hollow test rod;
High-temperature resistant ring-shaped magnet, is located in described anticorrosive ball float, is actively installed on outside the hollow test rod of described anticorrosive inserted link, can with the described position setting chip magnetic coupling that arranges in described hollow test rod;
Anticorrosive pin, is located in the pin sheath of described anticorrosive inserted link.
2. anticorrosive floating-ball level switch according to claim 1, is characterized in that, described anticorrosive inserted link adopts glass inserted link or quartzy inserted link, and wherein, described sealing open column adopts glass capsulation open column or quartz sealing open column; Described hollow tubular adopts glass hollow pipe or quartzy hollow tubular; Described hollow test rod adopts glass hollow test rod or quartzy hollow test rod; Described pin sheath adopts glass pin sheath or quartzy pin sheath;
Described anticorrosive ring body adopts glass ring body or quartzy ring body;
Described anticorrosive ball float adopts glass floating ball or quartzy ball float;
Anticorrosive pin adopts glass pin or quartzy pin.
3. anticorrosive floating-ball level switch according to claim 1 and 2, is characterized in that, described sealing open column is located in hollow cylinder upper end open by glass roof or quartzy top seal and form;
Described glass roof or quartzy top cover are provided with the through hole supplying the output lead of described position setting chip to stretch out.
4. anticorrosive floating-ball level switch according to claim 1 and 2, is characterized in that, described position setting chip adopts tongue tube chip.
Priority Applications (1)
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CN201520050003.6U CN204360227U (en) | 2015-01-23 | 2015-01-23 | Corrosion-resistant float level switch |
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CN201520050003.6U CN204360227U (en) | 2015-01-23 | 2015-01-23 | Corrosion-resistant float level switch |
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CN201520050003.6U Withdrawn - After Issue CN204360227U (en) | 2015-01-23 | 2015-01-23 | Corrosion-resistant float level switch |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104571153A (en) * | 2015-01-23 | 2015-04-29 | 北京矿冶研究总院 | Corrosion-resistant float level switch |
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2015
- 2015-01-23 CN CN201520050003.6U patent/CN204360227U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104571153A (en) * | 2015-01-23 | 2015-04-29 | 北京矿冶研究总院 | Corrosion-resistant float level switch |
CN104571153B (en) * | 2015-01-23 | 2017-05-31 | 北矿检测技术有限公司 | Corrosion-resistant float level switch |
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