FR3057051A1 - INSTRUMENT HOLDER FOR PIPING AND ASSOCIATED APPARATUS - Google Patents

Abstract

The invention relates to an instrument holder (1) for pipeline (2), comprising - preferably at least one longitudinal flange (5) in the form of a cylinder element, configured to surround the pipe (2), - preferably a fastening mechanism (6) associated with said flanges for attaching the instrument carrier (1) to the pipeline (2), and - at least one carrier structure (9) opening on an opening (10), configured to introduce and maintain a tool (3, 4) in the pipe (2), characterized in that said carrier structure (9) forms projection obliquely with respect to a normal to the longitudinal axis of the pipe. The invention also relates to a measuring and / or injection device comprising such an instrument carrier as well as a liquid treatment apparatus comprising such an apparatus.

Description

INSTRUMENT HOLDER FOR PIPING AND RELATED APPARATUS

The present invention relates to an instrument holder (s) for piping of the type making it possible to introduce and maintain a measuring and / or injection tool in the pipeline. The invention further relates to a measuring and / or injection apparatus comprising such an instrument holder as well as a liquid processing apparatus comprising such an apparatus. This type of treatment apparatus can be used in treatment systems, for example metering or electrolysis apparatuses, in particular for swimming pool, wading or aquarium water or even irrigation systems.

In the field of devices and apparatus according to the invention, it is often planned to use “pen probes” in order to determine the parameters of water circulating in a pipeline. Pen probes are probes extending longitudinally like a pen.

Unfortunately, the corresponding devices are often complex to mount on a pipe and some of these probes need to be positioned vertically towards the. high or tilted to operate. This is in particular the case with certain PU sensors, more particularly those of the electrode type. glass, and some Redox sensors. When the probe is mounted, vertically down, the probe no longer works due to an air bubble disturbing the measurement. , The probe and which generates erratic data. This air bubble is generated by chemical reactions in the working part of the pH probe.

In addition, several tools can be introduced · but in use, they disturb each other.

In addition, the prior art proposes devices requiring cutting and. a gluing of the pipe which lengthens the assembly steps.

An objective of the present invention is to provide a device and an apparatus that are simple to mount on a pipeline and occupies a .minister size once, .mounted.

Another object of the invention is to. propose a system where when several tools are mounted, they are less disturbed with each other than in the prior art.

To achieve these objectives, the invention provides an instrument holder for pipe, comprising - preferably at least one longitudinal flange in the form of a cylinder element, configured to surround the pipe, - preferably a fixing mechanism associated with · said flange for fixing the instrument holder on the pipe, and - at. minus a supporting structure opening onto an opening, configured to introduce and maintain a tool in the pipeline.

According to a first aspect, said support structure forms a projection obliquely to a normal to the longitudinal axis of the pipe, in particular along the longitudinal axis of said flange.

Advantageously, the oblique support structure associated with a tool makes it possible to mount the tool in a substantially vertical position but with an oblique angle. This allows the use of probes from certain pH sensors, in particular of the glass electrode type, and certain Redox sensors. In addition, the mounting of the device according to the invention makes it possible to limit the horizontal dimensions. Indeed, the tool does not occupy a significant horizontal volume.

According to other aspects taken in isolation or combined according to all technically feasible combinations! - Said supporting structure extends along one. oblique angle preferably less than 90 degrees and preferably greater than. or equal. 10 degrees., In particular about 15 to 2.5 degrees, from the normal to the longitudinal axis, of. the flange:; and / or - the instrument holder comprises several load-bearing structures "preferably at least two load-bearing structures" the said load-bearing structures being, preferably substantially parallel two · 'to two; and / or, - the instrument holder includes Four supporting structures ”! two of which: preferably being diametrically opposite the other two on said longitudinal flange; and / or - at least one tool is a sensor; and / or - at. less a tool is a liquid injector, preferably a liquid injection cartridge; and / or - the instrument holder comprises a tool protection cage mounted on the support structure and / or a tool locking and positioning means; and / or - the fixing mechanism comprises fixing elements and a means for retaining the fixing elements. "Another object of the invention relates to a measuring and / or injection device comprising an instrument holder according to the invention, at least one measuring and / or injection tool that can be inserted into said supporting structure , preferably at least one opening seal that can be disposed between said opening and the pipe, and preferably at least one tool seal.

Preferably, the opening joint is configured to seal the supporting structure while being adapted to several dimensions of pipes. The invention also relates to a device for processing liquid comprising a measuring and / or injection device according to the invention. The invention will be further detailed by the description of nonlimiting embodiments, and on the basis of the appended figures, in which: - Figure 1 is an overall view of the device according to a preferred variant equipped with tools; - Figure 2 is a front view of part of the device of Figure 1; - Figure 3 is a side view of. the device part of Figure 2; - Figure 4 is a side view of the device of .figure 1. the supporting structures are in a · first position; - Figure 5 is a side view of the device, of Figure 1 whose · structures, carriers are in .une. second position; - the figure. 6 is one. view in space of the device according to another, preferred variant mounted on a pipe; ~ the figure. 7 is a close-up view of part of the device of FIG. 6 i - FIG. 8 is a view in space of a device according to a variant "fitted with a cage, for tool protection; - Figure 9 is a view in one space of opening joints for a device according to a preferred variant.- f and - Figure 10 is a diagram of an alternative variant of the device according to the invention, L 'Invent ion relates to an instrument holder 1 for a pipe 2, This device makes it possible to introduce and maintain tools in the pipe 2 in order to measure parameters of the pipe liquid and / or in order to inject a liquid mixing with the this pipeline. Thus, this instrument holder 1 is of the type making it possible to introduce and maintain a measuring tool 3 and / or injection 4 into the pipe 2. The device is particularly suitable for the pipes of swimming pool water, in networks with operating pressures between 0 and 6 bars. The constitution of the elements of the device is preferably adapted accordingly.

This type of device makes it possible to have at least one sensor 3, in particular a probe, and / or at least one liquid injector 4, preferably a liquid injection cartridge.

The sensor 3 makes it possible to measure parameters of the liquid in the pipe, for example to correct it or to adapt a liquid treatment. The sensor-forming tool can in particular be used a pH probe, a Redox or ORP probe, a chlorine probe, a grounding electrode, a conductivity measurement probe, a temperature measurement probe, a flow sensor, a TDS sensor, The injector 4 allows for example to adjust a parameter such as pH or hardness by injecting a suitable liquid, The injector 4 can also make it possible to inject a treatment product. In particular, the injector comprises a structure with a venturi effect, and preferably a structure, allowing optimal positioning of the liquid injected into the flow of the pipe 2.

The instrument holder s 1 comprises at least one longitudinal flange 5 in the form of a cylinder element, La longitudinal flange !. 5 is configured to surround the pipe 2. The flange .is for example of tubular shape or. will be tubular. According to a preferred variant, the device comprises two semi-tubular flanges 5 making it possible to better fit the pipe 2 and to adapt to the size of the latter. In particular, the flanges 5 are configured to be arranged on either side of the pipe 2. More particularly, the flanges have spacers which make it possible to adapt to different diameters and are preferably associated with a particular seal. detailed below. Advantageously, the dimensions of this device allow it to adapt to standard pipe sizes, in particular for example the European pipes at 55 mm and € 3 mm in diameter and the American pipes at 1 * 1/2 and 2 "in diameter, The preferred dimension of the flange 5 is 31.5 mm in radius.

The instrument holder s 1 further comprises a fixing mechanism 6 associated with said flange 5 for fixing the instrument holder 1 to the pipe 2, The fixing mechanism 6 comprises at least one element. fixing 7 screwable · .Configured to secure said flange 5 '.on the pipe .2. Of course, it is possible to envisage using other systems (rivets, latches), but screwable elements are preferred for better fixing. Preferably, the fixing mechanism 6 comprises fixing elements 7 screwable on either side of the instrument holder 1 in particular by forming a frame for better fixing.

According to a variant, the fixing mechanism € comprises a means for retaining the fixing elements 7. Preferably, the retaining means comprises a retaining cage 8 housing a fixing element 7, in particular a nut. Advantageously, the retaining means 8 makes it possible not to lose the fastening elements 7. The retaining means 8 is for example in the form of a housing open laterally with respect to the main axis of the instrument holder 1, housing the fastener 7 mistletoe is here a nut. The housing can be traversed by a male fixing element, in a direction perpendicular to the main axis of the instrument holder 1. The male fixing element, such as a screw passing through the two flanges, cooperates with the fixing element female. Preferably, the flanges 5 comprise an upper flange and a lower flange, and the retaining means 8 is on the lower flange.

The instrument holder 1 further comprises at least support structure 9 opening onto an opening 10 formed on the longitudinal flange 5. The flange 5 extends along a longitudinal axis. In particular, when the flange 5 is mounted on the pipe 2, the longitudinal eutce of the flange 5 and that of the pipe 2 are substantially combined. The length of the flange 5 along the longitudinal axis is sufficient to provide for this opening · 10 and the .carrier structure 9.

The supporting structure .9 is configured to introduce and .maintain a tool 3, 4 in the pipeline. To do this, a tool 3, 4 can be introduced into the support structure 9 and pass through the opening 10 and the corresponding opening of the. pipe, to penetrate pipe 2. The tool is in particular a part of a sensor 3 or of a liquid injector 4.

In addition, the support structure 9 comprises a tool retaining means configured to keep the tool close to, and preferably partially in, the support structure 9. Advantageously, the tool retaining means makes it possible to f prevent the tool from being carried into, line 2 or ejected from the line.

Preferably, the means of. Tool retainer includes a tool seal 11. The tool seal 11 is · de. preferably a separate part of the instrument holder 1, in particular 'of the supporting structure 9, in a suitable material. It is also conceivable that this tool seal 11 is a part: attached to the instrument holder s 1, in particular of the supporting structure 9, The tool seal 11 is preferably a longitudinal piece extending along the entire length of the supporting structure 9 in the axial direction. The tool seal 11 is circular in the transverse direction.

Preferably, the instrument holder 1 comprises a nut 11a for at least one support structure 9. The nut 11a makes it possible to fix the tool seal 11 while leaving one. opening to insert a tool. According to a variant, the nut 11a comprises a structure forming a tool seal 11. The nut 11a is preferably screwable onto the support structure 9. It is also possible to provide a cover 11b making it possible to close at least one support structure 9, This avoids leaks at the support structure 9 when there is no tool.

The support structure 9 preferably comprises a rim 9a on the outside, making it possible to position the tool seal 11 on the support structure 9.

According to a variant, in order to avoid leaks at the level of the opening 10, an opening seal 12 is provided which is arranged substantially between the opening 10 of the instrument holder and the corresponding opening of the pipeline. The opening seal 12 is preferably an elastomeric piece that can be made by injection molding. The opening seal 12 functions in particular as a toric seal. To do this, the opening seal 12 preferably comprises a first portion 12a configured to penetrate a groove in the flange 5 around the support structure 9, and a second portion 12b configured to be affixed to the pipe 2.

Preferably "the opening joints 12 are glued two by two according to the positions of the supporting structures 9 to facilitate the. mounting of the instrument holder 1 »In addition, in the preferred variant where a groove is provided on the. flange, .a groove Y 'is · also provided to receive an intermediate strip 12c of the opening seal 10. This further facilitates; mounting of the instrument holder.

The opening seal 12 has a thickness such that it makes it possible to adapt to the diameter of the pipe 2 "The larger the diameter of the pipe" the more the opening seal is compressed. For a pipe following the American standard, the opening seal is more compressed when the instrument holder is mounted than for a pipe according to European standard. Advantageously "this adds to the simplicity of mounting the instrument holder.

The opening seal -12 .. is preferably- a part -separated from the instrument holder 1, in- a suitable material. The seal '12 is preferably overmolded. We can also consider that the. opening seal 12 .-- either-, one. insert- of the instrument holder or a commercial seal.

According to the invention, said structure, carrier 9 forms, projection obliquely to a normal to the axis, longitudinal of said flange .5. In particular, the supporting structure. 9. forms with the normal to the longitudinal axis of the flange 5, a given angle on one side or the other with respect to the longitudinal axis. The projection is preferably radial, that is to say its extension crosses the longitudinal axis of the flange 5.

Advantageously, the oblique support structure 9 associated with a tool makes it possible to mount the tool 3, 4 in a substantially vertical position but with an oblique angle. In addition, the mounting of the instrument holder 1 makes it possible to limit the horizontal dimensions.

Indeed, the tool does not occupy a significant horizontal volume, in particular with reference to a horizontal pipe 2, for example as illustrated in the figures.

According to a variant, for an instrument holder 1 positioned vertically, said supporting structure 9 extends at an oblique angle preferably less than 90 degrees and preferably more than 10 degrees, in particular about 15 to 25 degrees, relative normal to the longitudinal axis of the flange. Advantageously, a support structure 9 carrying a “pen” probe oriented at 10 degrees relative to the vertical allows almost normal operation of said “pen” probe, in particular even in spite of the aging of the probe. This allows the use of probes that would not work in a horizontal position. The best results have been obtained with an orientation of about 15 degrees.

According to a variant, the instrument holder 1 comprises several support structures 9. Advantageously the use of several support structures makes it possible to have several tools, for specific uses at the same time, for example, several sensors .3 in tandem or at least a sensor 3 and at least one injector 4 on the same instrument holder · 1.

Preferably, the instrument holder 1 comprises at least two supporting structures. 9 - preferably being substantially parallel, two by two. Advantageously, parallel support structures 9 make it possible to prevent a tool 3, 4 from hampering the other from the point of. view of the space congestion.

According to a variant, the instrument holder 1 comprises at least two, support structures: 9 being diametrically opposite two by two on said at least. Longitudinal flange 5. Advantageously, diametrically opposite des- structures, carriers make it possible to avoid - that one tool does not hinder the other from the point of view of spatial congestion, as well as the disturbance of the measurement data.

In certain cases (not shown), the diametrically opposite support structures 9 make it possible to have an alignment of the openings 10 so as to pierce the pipe at once for two support structures 9.

According to a variant, the instrument holder 1 comprises four supporting structures, two of which preferably being diametrically opposite to the other two on said longitudinal flange 5. Said supporting structures 9 are preferably parallel in pairs. More preferably, the two support structures 9 of a flange 5 are mutually parallel. The particularity of this variant is that it can take eight configurations depending on the horizontal or vertical orientation of the pipe 2, the orientation of the flow on one side or the other of the instrument holder 1, both load-bearing structures .9 of a flange 5 being parallel or not to that of the other flange 5. The parallel parallel and non-parallel configurations are illustrated in FIGS. 4 and 5 respectively.

According to a variant, the instrument holder 1 comprises a tool protection cage 13 being preferably mounted on the support structure 9. The cage. 13 comprises a protective body 14 configured to surround the tool and at least one fixing lug 15 configured to cooperate with the nut 11a to fix the cage. .13 on the supporting structure 9. The protective body .14 can have asperities on its external part. In particular, the fixing lug 15 is configured to cooperate with the nut 11a to fix the cage 13 to the carrying structure 9. More particularly, the nut 11a is provided with a groove in which the fixing lug slides. The fixing lug 15 prevents the instrument from being pushed too far into the pipe, and positions the instrument · in the right direction. The mounting lug 15 prevents the instrument from being ejected from the pipeline.

In particular, the protective cage 13 forms a spacer ·. Preferably, the cage 13. partially surrounds the tool and an additional part 16 cooperates with the cage 13 to completely surround the tool. The complementary part 16 can be fixed to the cage 13 by complementarity of shape, in particular by sliding "Advantageously." cage 13 in two parts is a simplified means1 of completely surrounding the tool for better protection. In particular, the complementary part 16 is a locking key cooperating with said spacer. 1 "'spacer associated with the Locking key forms:" a safety clamp.

The instrument loss .1 further comprises a means 13a for locking and positioning the tool. The locking and positioning means comprises a relief adapted to lock the tool in position despite the movements, for example, of the liquid. One serving of. the Tool is .coulissée in the means of; locking · in a direction parallel to the longitudinal axis of the structure. · carrier 9. The means 13a · is preferably part of the .cage 13 and / or the complementary part 16, in particular the locking key.

In particular # the spacer and the locking key are designed for almost all probes on the market. To achieve this function, the spacer is provided with ridges allowing the key to fit perfectly at one probe end. pen ".

According to a preferred variant, the tool is mounted on the cage 13 and on the nut 11a, and the assembly is mounted, in particular screwed, on the support structure 9. The screwing of this assembly locks the tool on the instrument holder.

According to an alternative variant of the invention, the instrument holder la comprises a support structure 9 opening directly into a pipe element 2a at the required angle with respect to the longitudinal axis of the pipe 2. In particular, when the holder instruments la is mounted on the pipe 2, the longitudinal axis of the pipe 2 is substantially coincident with that of the pipe element 2a. The pipe element 2a is for example a pipe. The pipe element 2a can be connected to a pipe, 2 into which one wishes to inject one. liquid and / or measure a parameter. The instrument holder 1a may include one or more of the features detailed above. In particular, the instrument holder s can include one. or more supporting structures 9.

This alternative variant can also be provided integral with a treatment cell, for example a swimming pool electrolysis cell. In this case, the pipe 2 opens onto the instrument holder la and the liquid coming from the pipe 2 passes through the instrument holder la, then the treatment cell before leaving it. The invention further relates to a measuring and / or injection device comprising an instrument holder 1 or the as described above. Such an apparatus makes it possible to measure parameters of the liquid in line 2 and / or to inject a product in line 2, for example acid. The measurement and / or injection device further comprises at least one measurement 3 and / or injection tool 4 that can be inserted into said support structure 9, at least one opening seal 12 that can be disposed between said opening 10 and the pipe 2, and preferably at least one tool seal 11.

Another object of the invention relates to a liquid processing apparatus comprising an apparatus as described above. This type of treatment apparatus can be used in treatment systems, for example metering or electrolysis apparatus, in particular for swimming pool, wading or aquarium water or even irrigation systems. The invention also relates to a · 'mounting method · of an instrument holder 1 as described above in. a pipe 2 comprising the steps of: - placing at least one longitudinal flange 5 in the form of a cylinder element, surrounding the pipe 2, - fixing the instrument holder 1 comprising the flange 5 on the pipe 2, and introducing and maintaining a tool in the pipe, obliquely to a normal to the longitudinal axis of the flange.

Preferably, at least one opening seal 12 is disposed between the flange 5 and the pipe 2.

In particular, the method comprises a step of drilling at least one hole in the pipe 2 through the support structure 9 to be used to introduce the tool 3,4 therein. In particular, once the hole has been drilled, the tool is assembled with the nut 11a, preferably with the complementary part, and the assembly is screwed onto the support structure 9.

The shape Su joint 12 by its shape makes it possible to seal the drilled hole.

These steps are repeated for each of the supporting structures 9, in particular four times. Certain supporting structures 9 can be closed by a cover 11b.

Claims (12)

1. Instrument holder (1; la) for pipe (2), comprising at least one support structure (9) opening onto an opening (10), configured to introduce and hold a tool (3, 4) in the pipe (2 ), characterized in that said supporting structure (9) forms a projection obliquely to a normal to the longitudinal axis of the pipe (2). 2. Instrument holder (1) according to the preceding claim, further comprising - at least one longitudinal flange (5) in the form of a cylinder element, configured to surround the pipe (2), - a fixing mechanism, (6 ) associated with said flange to fix the trustent holder (1) on the pipe (2). 3. Instrument holder (1; la) according to the preceding claim, wherein said supporting structure (9) extends at an oblique angle preferably less than 90 degrees and preferably greater than or equal to 10 degrees, in particular of about 15 to 25 degrees, relative to normal to the longitudinal axis of the flange (5). 4. Instrument holder (1; la) according to one of the preceding claims, comprising several support structures (9), preferably at least two support structures (9), said support structures being preferably substantially parallel in pairs. 5. Instrument holder (1) according to the preceding claim when it depends at least on claim 2, comprising four supporting structures (9), two of which being .de: preferably diametrically opposite to the other two on said longitudinal flange (5) . 6. Instrument holder (1) according to: l,: one of the preceding claims, wherein at least one tool is a sensor (3). 7. Por te-instrument (1) according to one of the preceding claims, wherein at least one tool is a liquid injector (4), preferably a liquid injection cartridge. 8. Instrument holder (1) according to one of the preceding claims, comprising a tool protection cage (13) mounted on the support structure (9) and / or a means (13a) for locking and positioning of tool. 9. Instrument holder (1) according to one of claims 2 to 8, wherein the fixing mechanism (6) comprises fixing elements (7) and a retaining means (8) of the fixing elements (7) . 10. Measuring and / or injection device comprising an instrument holder (1) according to one of the preceding claims, at least one measuring (3) and / or injection (4) tool that can be inserted into said supporting structure (9), preferably at least one opening seal (12) which can be disposed between said opening (10) and the pipe, and preferably at least one tool seal (11). 11. Measuring and / or injection device according to the preceding claim, in which the opening seal (12) is configured can, make a seal of the support structure (9) while being adapted to several dimensions of pipes ( 2). 12. Apparatus for processing liquids comprising a measuring and / or injection device according to the specification 10 or 11.