CN204202805U - A kind of measurement mechanism of being tightly connected with well heater and the connected system for Bonding pressure or temperature measuring set and heating arrangement - Google Patents

A kind of measurement mechanism of being tightly connected with well heater and the connected system for Bonding pressure or temperature measuring set and heating arrangement Download PDF

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Publication number
CN204202805U
CN204202805U CN201420388856.6U CN201420388856U CN204202805U CN 204202805 U CN204202805 U CN 204202805U CN 201420388856 U CN201420388856 U CN 201420388856U CN 204202805 U CN204202805 U CN 204202805U
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CN
China
Prior art keywords
measuring instrument
connecting pipe
resistance
web member
compression
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Application number
CN201420388856.6U
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Chinese (zh)
Inventor
彼得科尔
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Weika Automatic Instrument (suzhou) Co Ltd
WIKA Alexander Wiegand SE and Co KG
Original Assignee
Weika Automatic Instrument (suzhou) Co Ltd
WIKA Alexander Wiegand SE and Co KG
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G01L7/04Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
    • G01L7/045Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges with optical transmitting or indicating means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00Control of fluid heaters
    • F24H15/20Control of fluid heaters characterised by control inputs
    • F24H15/212Temperature of the water
    • F24H15/219Temperature of the water after heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00Control of fluid heaters
    • F24H15/20Control of fluid heaters characterised by control inputs
    • F24H15/242Pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00Control of fluid heaters
    • F24H15/30Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/395Information to users, e.g. alarms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035Arrangement or mounting of control or safety devices for water heaters using fluid fuel
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00Measuring temperature based on the expansion or contraction of a material
    • G01K5/32Measuring temperature based on the expansion or contraction of a material the material being a fluid contained in a hollow body having parts which are deformable or displaceable
    • G01K5/36Measuring temperature based on the expansion or contraction of a material the material being a fluid contained in a hollow body having parts which are deformable or displaceable the body being a tubular spring, e.g. Bourdon tube
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/16Dials; Mounting of dials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00Components of central heating installations excluding heat sources
    • F24D2220/04Sensors
    • F24D2220/042Temperature sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00Components of central heating installations excluding heat sources
    • F24D2220/04Sensors
    • F24D2220/046Pressure sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00Control of fluid heaters
    • F24H15/20Control of fluid heaters characterised by control inputs
    • F24H15/281Input from user

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The utility model discloses a kind of measurement mechanism of being tightly connected with well heater and the connected system for Bonding pressure or temperature measuring set and heating arrangement, described measurement mechanism comprises measuring instrument and resistance to compression connecting pipe; Described measuring instrument is used to indicate pressure and/or temperature physical quantity, and described measuring instrument comprises one with measuring mechanism and the housing of needle indicator, a visual cover plate; Described measuring mechanism comprise one apply pressure time drive pointer elasticity measurement spring, one execute stressed compression fittings; Externally measured point can be connected with the internal capacity of elasticity measurement spring by described joint, and described compression fittings is connected with resistance to compression connecting pipe; Described resistance to compression connecting pipe is made of plastics, and described resistance to compression connecting pipe is furnished with at least one web member airtight lastingly; Described web member and described compression fittings, all through encapsulation process, removably connect.By the way, the scheme that the utility model provides can make resistance to compression connecting pipe and measuring instrument compact siro spinning technology.

Description

A kind of measurement mechanism of being tightly connected with well heater and the connected system for Bonding pressure or temperature measuring set and heating arrangement
Technical field
The utility model relates to the accessory of surveying instrument, is specifically related to a kind of web member and the connected system that connect measuring instrument and well heater.
Background technology
Heating arrangement in buildings normally adopts the water heater of water loop, ensures that the normal operating pressure of well heater and temperature are in preset range by water loop.Certain well heater can be fuel heater, combustion heater, wall hot water device or central thermo-power station.Conveniently operate, the controller of heating arrangement need assemble the guidance panel being easy to operate.In order to keep front sight line clear, prevent to maintain operating mistake, controller needs can correctly show force value and temperature value.Therefore heating arrangement needs the thermometer of alignment measurement temperature and measures the measuring cell of pressure, measuring cell also can be a sensor.
Generally adopt forcing pipe to connect for tonometric measuring cell and the controller showing force value in prior art.If to the position not requirement of measuring cell, pressure transducer can be used to carry out pressure survey, the signal that pressure transducer is measured normally is sent to the analysis display unit of guidance panel by electrical form.Transmitted by electrical form in the mode of the pressure signal of measurement this, due to need working current be used, sometimes may cause because of accidental power failure can not recording pressure signal in time, thus the signal of heating arrangement can not be understood in time.
Therefore compared with adopting the pressure transducer of electrical form transmission of signal, the work system being realized pressure signal transmission by pure mechanical system has more advantage.The pressure signal transmission system general operation of this pure mechanical system is easy, reliable, economical.For the working equipment needed by guidance panel controlled pressure, a thin pipe (as kapillary) can be used the pressure-measuring device be arranged on guidance panel and forcing pipe to be linked together.Thin pipe or kapillary can be connected with being equipped with the hose adapter of clamping ring, clamping ring by the capillary around conical tube connector clamp between it and fixing lug boss.
If be filled with the liquid such as alcohol in the measurement reservoir of measurement point, also can use pressure capillary transportation and indicated temperature: during heating measurement point, the vapor pressure measured in reservoir raises.Principle of work when raising with temperature is similar, and the measuring instrument with Bourdon spring, volute spring or wind spring analyzes pressure by the pressure kapillary of analysis to measure point, and on corresponding guidance panel indicated temperature value or ascending temperature.
By above-mentioned known, kapillary has very important status in the pressure measuring heating arrangement.But conventional metal capillary is existing defects in installation radian, wrinkle resistance and rotproofness, and easily blocks; For avoiding these shortcomings of metal capillary, people study and utilize kapillary that various new material new plastic makes to replace metal capillary.But when using plastic capillary, the connected mode between plastic capillary and heating arrangement or measuring cell is not well solved always,
The purpose of this utility model be namely recommend a kind ofly to use that installation is all convenient, the web member of dependable performance and connected system to be to connect plastic capillary and heating arrangement or measuring cell.What plastic capillary described in the utility model adopted is the extrusion plastic pipe using suitable plastic processing.
Utility model content
For achieving the above object, disclosed in the utility model, technical scheme is as follows: a kind of measurement mechanism be tightly connected with well heater, and described measurement mechanism comprises measuring instrument and resistance to compression connecting pipe; Described measuring instrument is used to indicate pressure and/or temperature physical quantity, and described measuring instrument comprises one with measuring mechanism and the housing of needle indicator, a visual cover plate; Described measuring mechanism comprise one apply pressure time drive pointer elasticity measurement spring, one execute stressed compression fittings; Externally measured point can be connected with the internal capacity of elasticity measurement spring by described joint, and described compression fittings is connected with resistance to compression connecting pipe;
Described resistance to compression connecting pipe is furnished with at least one web member airtight lastingly; Described web member and described compression fittings, all through encapsulation process, removably connect.Resistance to compression connecting pipe described in the utility model comprises kapillary, and described resistance to compression connecting pipe can adopt plastic material to make, and metal material also can be adopted to make.
Preferably, one end of described resistance to compression connecting pipe is firmly connected with measuring instrument, and the free end of the other end of resistance to compression connecting pipe is equipped with a web member, and described web member is with the seal of O type loop-shaped; One end being provided with web member of described resistance to compression connecting pipe is connected with externally measured point is airtight, and connected mode removably connects.
Preferably, detachable tight joints is equipped with in the both sides of described resistance to compression connecting pipe, and described detachable connecting part segmentation can stretch into measuring instrument and fix with measuring instrument is airtight.
Preferably, described measuring instrument can analyze pressure and/or temperature, and preferably, described measuring instrument is by throw-over gear or engaging mechanism indicated pressure and/or temperature.
Preferably, described measuring instrument can analyze pressure and/or temperature, is connected with resistance to compression connecting pipe preferably by two airtight connecting pipes.
Preferably, described measuring instrument is provided with the downhole joint stretching out needle indicator housing, and described downhole joint is connected with needing the hot-water return of measuring tempeature or pressure.
Preferably, described measuring instrument is connected with the measurement reservoir closed by resistance to compression connecting pipe; The measurement reservoir of filling liquid is contained on measurement point, when temperature rises, measure the partially liq evaporation in reservoir, impel the pressure increase measured in reservoir, unlifting pressure is then passed to measuring instrument by resistance to compression connecting pipe, and on the pointer scale dish of needle indicator indicated temperature value in an analogue form.Namely measurement reservoir described here refers to the inductive probe for measuring tempeature or pressure, if namely the measurement spheroid 50 in Fig. 7 is can the temp probe of measuring tempeature.
Preferably, resistance to compression connecting pipe is connected with measuring instrument is airtight by clamping screw web member.
Preferably, resistance to compression connecting pipe is connected with measuring instrument is airtight by fastening spring circle web member.
Preferably, the envelope outer diameter of measuring instrument is within the scope of 20mm – 80mm, and preferably, the envelope outer diameter of described measuring instrument is within the scope of 25mm – 50mm.
Preferably, install at least one compression fittings in the centre position, the back side of described measuring instrument or eccentric position, resistance to compression connecting pipe and the housing parts of measuring instrument are direct to be airtightly connected.
Preferably, the back side of described measuring instrument is at least equipped with a joint, a radial junction, and preferably, described radial junction passes to outer casing bottom.
Preferably, the external diameter of resistance to compression connecting pipe is within the scope of 4-10mm, and preferably, the external diameter of described resistance to compression connecting pipe is within the scope of 2.5 – 7mm.
The invention also discloses a kind of connected system for Bonding pressure or temperature measuring set and heating arrangement, described connected system comprises following element:
At least one resistance to compression connecting pipe
At least one web member of being connected airtight with resistance to compression connecting pipe;
Described web member possesses the geometric configuration that be connected airtight with measurement point, possesses the geometric configuration being mechanically anchored in measurement point simultaneously.
Preferably, the resistance to compression connecting pipe of described connected system is kapillary, and described kapillary can adopt PP, PE, PA, PU material to make.The kapillary that in described employing PP, PE, PA, PU material, arbitrary material is made all adopts extrusion molding to process.
Preferably, bonding method, friction welding, flange or compression method, method of laser welding or clamping method is used to produce with web member or the resistance to compression connecting pipe for the housing parts adjacent with web member.
The described connected system for Bonding pressure or temperature measuring set and heating arrangement, preferably, resistance to compression connecting pipe wherein is preferably made up of black plastic, and is at least equipped with a web member, and this web member preferably adopts the material identical with resistance to compression connecting pipe to make.The material of web member is preferably transparent or translucent.Coupling part between resistance to compression connecting pipe and web member preferably uses laser beam to process, laser beam is fusible plastics, guarantee the airtight connection of plastics, laser beam scioptics need be focused on aligning region, use the resistance to compression connecting pipe of the airtight fixed connecting piece of method of laser welding.Revolving meters, make to produce in the region of above-mentioned laser beam focus a closed welding arc track, resistance to compression connecting pipe and web member material can be occasionally grouped together in one around in fusion zone by this arc track.
Pressure described in the utility model or temperature measuring set generally should be equipped with built-in type measuring mechanism, pointer-type indicator and lead to outside pressurizing adaptor, in this case, this measuring instrument connects a pressure-resistant plastic connecting pipe, and this pressure-resistant plastic connecting pipe is then at least equipped with one for connecting the lasting hermetic type web member of measurement point.
Connected system disclosed in the utility model, is preferably connected on heating arrangement or measuring instrument, for system pressure is passed to measuring instrument from heating arrangement by airtight for a capillary.The free end of kapillary at least installs a tight joints, and the other end then firmly can be connected with measuring instrument.Web member in connected system should be made of plastics, and adopts injection molding method processing and manufacturing.
Preferably, web member can be fixedly connected with kapillary in segmentation, to guarantee to be connected firmly, to close.Can use bonding, welding or other suitable usual method be fixedly connected with.
Web member described in the utility model have at least one with the sealing surface of O type circle close contact, and can be inserted in the bracket of heating arrangement.If kapillary is bilateral structure, then can insert measuring cell from opposite side.
By the web member of reasonable in design and snap close, as the set nut of not strap bolt can be used, heating arrangement can certainly be fixed in bracket.If one end of kapillary is connected to heating arrangement (pipeline, boiler etc.), then another free end connect time without the need to rotating; This structure reliably can prevent plastic tube or kapillary distortion, need not worry to install the damage caused.In addition, this structure reliably can also prevent operating personnel to improve sealing by web member overtorquing.
According to the prior art level described in background technology, if web member overtorquing, then kapillary is probably locked nut pinch off, causes web member to damage.And the dimensions that the sealing of web member described in the utility model and various piece specify is relevant, not by the impact of operant level, therefore, sealing reliability is greatly improved.
In order to reach good fixed effect, compression fittings at least should be equipped with a perforate can pinned with snap close.This perforate both can be a simple hole, also can be hole overlapping in diametric(al) or opening.Snap close can be geometrical clamp, snap ring, pin or cotter pin, hasp, also can be a part being inserted in perforate.If the side of compression fittings is provided with opening, then snap close should be able to insert in the opening of compression fittings, thus is connected with compression fittings by the web member of compression fittings both sides.Under this connection, web member is preferably provided with conduit, snap close blocks the conduit of web member and inserts in the opening of compression fittings, thus web member is fixed on the both sides of compression fittings, prevents web member or O type circle inclination stand under load.During connection, preferably from external stability web member.Therefore, the conduit on web member can be positioned at the side of web member, and select the snap close of laterally inserted web member to insert compression fittings, web member can be locked at compression fittings from direction of insertion with rigidly connected form by the snap close of insertion.
If opening is the circumferential groove opened wide in web member circumference, then highly beneficial to connected system; Compared with snap close and/or bracket, circumferential groove can make the web member of pinning rotate.
If opening is furnished with a brake(-holder) block that snap close can be used to block, then opening can also improve reliability and the easy making process thereof of web member.The spring lock of snap close preferably selects flexible structure, and be convenient to erector and use new snap close when reconnecting web member, its pallet can also provide required bed knife.In addition, this structure also can be equipped with a brake(-holder) block, is convenient to erector and hears clickly sound when engaging, easily distinguish whether web member engages.
Snap close both can be the geometrical clamp with two dump bolts for engaging with locking member, also can be designed to another kind of structure, and namely a clip pin snaps in bracket or connector aperture, and another pin then pins by outside bracket.By engagement or bending pin, erector perfection can realize above-mentioned connection effect.
Web member described in the utility model should need to possess following basic demand: web member is made of plastics, and can bear huge pressure and temperature, possess lasting sealing according to place to use.In order to reliably meet this requirement, web member need be furnished with a through hole, at least guarantees that erector can insert a metal sleeve in the region contacted with O type circle, the creep occurred under ensureing web member part tolerable temperature and/or pressure effect.
The other end of web member plastic tube is preferably with an axial journals and a crossette part, and the periphery of axial journals forms the sealing surface of O type circle, and crossette part then supports O type circle in the axial direction.Another radial sealing surfaces of O type circle then correspondingly forms the inner peripheral surface of bracket.Because huge mechanical load is born in sealing face, the axial length of metal sleeve need be measured, can axial journals be passed completely through, and stretch into the inside of web member by crossette part.
Web member is preferably equipped with one in order to seal the EPDM O type circle of water heater, and the hardness of O type circle is preferably 60 (IRHD).The material of O type circle and hardness need be consistent with the service condition of web member.
In order to together use with common measuring cell, resistance to compression connecting pipe preferably black, external diameter should be 4-10mm, preferably within the scope of 2.5 – 7mm.
The web member installed preferably is made up of transparent or semitransparent shape plastics, and its size preferably conforms to following description:
Maximum outside diameter within the scope of 7mm+1mm, i.e. 6 to 8mm;
Minimum outer diameter within the scope of 5mm+1mm, i.e. 4 to 6mm;
Pressurize internal diameter in 1.0mm to 2.5mm+0.5mm scope, i.e. 0.5 to 3mm.
The connected system of Bonding pressure described in the utility model or temperature measuring set and heating arrangement, as described above, this system should possess following web member:
At least one capillary, a web member, an O type circle, a securing member and the bracket that is inserted with web member that is connected airtight with measuring cell, be provided with in bracket one with the groove of web member superposition of end gap, the side of groove is opened wide.In this case, web member, if snap close is by the groove of the opening and bracket that are inserted in web member, is locked in direction of insertion by securing member.
By embodiment and referenced drawing, hereafter detailed explanation is done to the utility model content.
Accompanying drawing explanation
Fig. 1 is the structural representation being provided with the measuring instrument of web member in the utility model one embodiment;
Fig. 2 is the diagrammatic cross-section being provided with the pressure-measuring device of web member in the utility model one embodiment;
Fig. 3 is the structural representation being provided with the measuring instrument of volute spring indicated pressure in the utility model one preferred embodiment;
Fig. 4 is the structural representation being provided with the measuring instrument of Bourdon spring indicated pressure in the utility model one preferred embodiment;
Fig. 5 is the structural representation of the connected system that wall hot water device is connected with measuring instrument;
Fig. 6 is the structural representation that a kind of temperature pressure combinations measuring instrument adopts web member described in the utility model;
Fig. 7 is the structural representation of the another kind of connected system of the utility model;
Fig. 8 is a kind of structural representation being provided with the measuring instrument of web member of the utility model;
Fig. 9 is the syndeton schematic diagram that a kind of kapillary is connected with measuring instrument;
Figure 10 is the schematic diagram of connecting portion in the another kind of kapillary of structure of the utility model and the syndeton of measuring instrument.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Please refer to accompanying drawing 1 to accompanying drawing 10: the utility model embodiment comprises:
Embodiment 1: please refer to accompanying drawing 1, accompanying drawing 1 is the structural representation of the measuring instrument being provided with web member.In this embodiment, the dial 2B of measuring instrument 1 is provided with a pointer 2, compression fittings 3, capillary 4, for first web member 5 of measurement point and second web member, 6, O type circle, 7, snap close 8.First web member 5 can for for subsequent use, and be applicable to being fixed on the compression fittings 3 of measuring instrument, second web member 6, for being connected with measurement point is airtight, is preferably connected with the downhole joint of heating arrangement.
In the utility model, first web member 5 and the second web member 6 are preferably processed into part that is completely transparent or partially transparent shape, kapillary 4 is preferably processed by the black plastic of dark color, such operating personnel can check the length " L " when the position of web member and correct insertion when mounted, are convenient to the quality control carried out subsequently.
The coupling part of kapillary 4 and the first web member 5 or the second web member 6 preferably uses laser beam to process, laser beam is fusible plastics, guarantees the airtight connection of plastics.
In addition, also by the first web member 5 or the clear installation correctness distinguishing and check O type circle 7 and O type circle 10 of the second web member 6 of transparent, translucent or light moulding.
Embodiment 2: please refer to the diagrammatic cross-section that accompanying drawing 2, Fig. 2 is the pressure-measuring device being provided with web member.In the sectional view of the present embodiment, measuring instrument 1 is used to indicate pressure, and kapillary 4 is furnished with web member 5 and an O type circle, and by snapping in, method, welding process, plunging or flange crimping are airtight to be fixed on O type circle the compression fittings 3 of measuring instrument 1.
Pressure-measuring device shown in the present embodiment is the ordinarily manometer with analog indicator, also can use other type (such as digital or only band to correct errors indicator) pressure-measuring device.Shown in accompanying drawing 2, structure is the diagrammatic cross-section of pressure-measuring device housing and compression fittings 2, and in figure, horizontal aperture 11 leads to opening 12 from compression fittings region.In opening 12, sealing secures an elasticity measurement spring, is airtightly to have installed a Bourdon spring 13 with elliptic cross-section in the present embodiment.During pressure increase, Bourdon spring 13 is by impelling pointer 2 to move on dial 2B with being coupled of gearing 14.
In the present embodiment, horizontal aperture 11 can be set as the open architecture towards outer incline.When this type of pressure-measuring device makes, stopper 16 and/or spheroid 15 can be used forever to seal the outside entrance of horizontal aperture 11.
In the present embodiment, kapillary 4 inserts the length in web member 5 is that the connecting portion of " L " preferably welds or is bondingly airtightly fixed in web member 5, realizes kapillary 4 and is connected with the airtight of web member 5.
Embodiment 3: please refer to accompanying drawing 3, accompanying drawing 3 is sectional views of measuring instrument 1, and the measuring spring that in the present embodiment, measuring instrument 1 uses is the volute spring 13B for analyzing pressure.
Embodiment 4: please refer to accompanying drawing 4, accompanying drawing 4 is sectional views of measuring instrument 1, and the measuring spring that in the present embodiment, measuring instrument 1 uses is the C shape Bourdon spring 13C for analyzing pressure.
Embodiment 5: please refer to accompanying drawing 5, the present embodiment is the connected system that wall hot water device is connected with measuring instrument.Wall hot water device 20 is provided with guidance panel 21, and guidance panel 21 is provided with a knob 22 for design temperature and one for placing the opening of measuring instrument 1.Heat interchanger 24, burner 27 is provided with in wall hot water device 20.Measuring instrument 1 is used to indicate pressure or the measured temperature at measurement point 23 place in the water loop of heat interchanger 24.By kapillary 4, measuring instrument 1 is connected with measurement point 23 is airtight.Water loop is then supplied water by the medium inlet 25 of wall hot water device.Water heats by burner 27, and the water after heating flows out wall hot water device 20 by water delivering orifice 26.Burner 27 is connected with feed pipe, feed pipe 28 supplied burner 27 flammable liquid, and the waste gas that burner 27 produces then is discharged by corresponding Abgasabsaugung device 29.
Embodiment 6: please refer to accompanying drawing 6, accompanying drawing 6 is structural representations that a kind of temperature pressure combinations strategy of the present embodiment instrument adopts web member.In Fig. 6, a figure is the vertical view of composite instrument 1.The dial 2B of this composite instrument 1 are furnished with two index dials: a pressure scale dish 30 and a temperature disk 31.Two index dials indicate current measurement value respectively by corresponding pointer 32 and pointer 33.
In Fig. 6, b figure is the structural representation of the composite instrument 1 being provided with web member.In the connected system shown in figure b, composite instrument 1 is provided with two jointings, respectively: compression fittings 43 and compression fittings 45.In the connected system described in the present embodiment, not only use the measuring system with C shape Bourdon spring 40, spring base 42 and compression fittings 43 to carry out measuring tempeature numerical value, and use measure pressure value with the measuring system of volute spring 41, spring base 44 and compression fittings 45.
Embodiment 7: please refer to the structural representation that accompanying drawing 7, Fig. 7 is another kind of connected system, this connected system comprises composite instrument 1 and kapillary.Composite instrument 1 is connected with measurement point 23 is airtight the pressure indicating heating system 51 by kapillary 4B.Measure spheroid 50 to be firmly connected with heating system 51 by piston ring 52, and be connected with composite instrument 1 by kapillary 4C.
Embodiment 8: please refer to accompanying drawing 8, Fig. 8 is a kind of measuring instrument being provided with web member.On the housing that kapillary in this measuring instrument is directly fixed on measuring instrument or be directly fixed on the projection of housing of measuring instrument.Measuring instrument 1 is provided with compression fittings 3, and kapillary 4 one end is directly connected with compression fittings 3, and the other end is connected with web member 6.In the present embodiment, web member 6 is furnished with O-ring seal 10, in order to the connecting portion of sealing with the downhole joint of heating system.
In the present embodiment, one end that kapillary 4 is connected with compression fittings 3 is welded to connect, utilize laser beam 70 scioptics 71 to focus on alignment area 72, use method of laser welding to be welded by airtight for kapillary 4 overlapping part (length is " L ") be fixed in web member.Revolving meters 1, then produce a closed welding arc track in region 72, the connecting portion of kapillary and compression fittings can be occasionally grouped together in one around in fusion zone by this arc track.
In this welding connecting mode, the width of welding region should be less than the half of intubating length L, preferably intubating length L 25%.
Embodiment 9: please refer to accompanying drawing 9, Fig. 9 is the syndeton schematic diagram that a kind of kapillary is connected with measuring instrument.In this syndeton, kapillary is enclosed in the compression fittings that is connected with measuring instrument by web member clamping.In the present embodiment, measuring instrument 1 is provided with compression fittings 3, is provided with circular fastening spring circle 60 and O-ring seal 7B in compression fittings 3.The part that kapillary 4 inserts compression fittings 3 is connected with measuring instrument is airtight by O-ring seal 7B, and guarantees that connection is airtight by circular fastening spring circle 60.In the present embodiment, circular fastening spring circle 60 be also furnished with clamping boss or boss, to be applicable to fixed seal ring 7B.
Embodiment 10: please refer to the structural representation that accompanying drawing 10, Figure 10 is connecting portion in a kind of kapillary and measuring instrument syndeton.Label 3 in accompanying drawing 10 represents the compression fittings be located on measuring instrument, i.e. compression fittings 3.In the syndeton shown in the present embodiment, compression fittings 3 is provided with web member 61, web member 61 inserts in kapillary 4, and is fixed by the piston ring 63 that coordinates with web member 61 and screw thread 62 pairs of kapillaries 4, and kapillary 4 closely can be fixedly connected with web member 61.In this syndeton, operating personnel, by tightening piston ring 63 and being rotated on above inclination briquetting 64, can guarantee good sealing, and can prevent that kapillary 4 from coming off from web member 61, slippage, or occur poor sealing.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (21)

1. the measurement mechanism be tightly connected with well heater, described measurement mechanism comprises measuring instrument and resistance to compression connecting pipe; Described measuring instrument is used to indicate pressure and/or temperature physical quantity, and described measuring instrument comprises one with measuring mechanism and the housing of needle indicator, a visual cover plate; Described measuring mechanism comprise one apply pressure time drive pointer elasticity measurement spring, one execute stressed compression fittings; Externally measured point can be connected with the internal capacity of elasticity measurement spring by described joint, and described compression fittings is connected with resistance to compression connecting pipe; It is characterized in that:
Described resistance to compression connecting pipe is furnished with at least one web member airtight lastingly; Described web member and described compression fittings, all through encapsulation process, removably connect.
2. measurement mechanism according to claim 1, is characterized in that: one end of described resistance to compression connecting pipe is firmly connected with measuring instrument, and the free end of the other end of resistance to compression connecting pipe is equipped with a web member, and described web member is with the seal of O type loop-shaped; One end being provided with web member of described resistance to compression connecting pipe is connected with externally measured point is airtight, and connected mode removably connects.
3. measurement mechanism according to claim 1, is characterized in that: detachable tight joints is equipped with in the both sides of described resistance to compression connecting pipe, and described detachable connecting part segmentation can stretch into measuring instrument and fix with measuring instrument is airtight.
4. measurement mechanism according to claim 1, is characterized in that: described measuring instrument can analyze pressure and/or temperature.
5. measurement mechanism according to claim 4, is characterized in that: described measuring instrument is by throw-over gear or engaging mechanism indicated pressure and/or temperature.
6. according to the measurement mechanism described in claim 4, it is characterized in that: described measuring instrument can analyze pressure and/or temperature, measuring instrument is connected with resistance to compression connecting pipe by two airtight connecting pipes.
7., according to described measurement mechanism arbitrary in claim 1-6, it is characterized in that: described measuring instrument is provided with the downhole joint stretching out needle indicator housing, described downhole joint is connected with needing the hot-water return of measuring tempeature or pressure.
8., according to described measurement mechanism arbitrary in claim 1-6, it is characterized in that: described measuring instrument is connected with the measurement reservoir of closed state by resistance to compression connecting pipe; The measurement reservoir of filling liquid is contained on measurement point, when temperature rises, measure the partially liq evaporation in reservoir, impel the pressure increase measured in reservoir, unlifting pressure is then passed to measuring instrument by resistance to compression connecting pipe, and on the pointer scale dish of needle indicator indicated temperature value in an analogue form.
9., according to described measurement mechanism arbitrary in claim 1-6, it is characterized in that: resistance to compression connecting pipe is connected with measuring instrument is airtight by clamping screw web member.
10., according to described measurement mechanism arbitrary in claim 1-6, it is characterized in that: resistance to compression connecting pipe is connected with measuring instrument is airtight by fastening spring circle web member.
11., according to described measurement mechanism arbitrary in claim 1-6, is characterized in that: the envelope outer diameter of measuring instrument is within the scope of 20mm – 80mm.
12. measurement mechanisms according to claim 11, is characterized in that, the envelope outer diameter of described measuring instrument is within the scope of 25mm – 50mm.
13., according to described measurement mechanism arbitrary in claim 1-6, is characterized in that: install at least one compression fittings in the centre position, the back side of described measuring instrument or eccentric position, and resistance to compression connecting pipe and the housing parts of measuring instrument are direct to be airtightly connected.
14., according to described measurement mechanism arbitrary in claim 1-6, is characterized in that: the back side of described measuring instrument is at least equipped with a joint, a radial junction.
15. measurement mechanisms according to claim 14, is characterized in that, described radial junction passes to outer casing bottom.
16., according to described measurement mechanism arbitrary in claim 1-6, is characterized in that: the external diameter of resistance to compression connecting pipe is within the scope of 4-10mm.
17. according to described measurement mechanism arbitrary in claim 16, and it is characterized in that, the external diameter of described resistance to compression connecting pipe is within the scope of 2.5 – 7mm.
18. 1 kinds of connected systems for Bonding pressure or temperature measuring set and heating arrangement, described connected system comprises following element:
At least one resistance to compression connecting pipe;
At least one web member of being connected airtight with resistance to compression connecting pipe;
Described web member possesses the geometric configuration that be connected airtight with measurement point, possesses the geometric configuration being mechanically anchored in measurement point simultaneously.
19. connected systems for Bonding pressure or temperature measuring set and heating arrangement according to claim 18, it is characterized in that, described resistance to compression connecting pipe is kapillary, and described kapillary can adopt PP, PE, PA, PU material to make.
20. connected systems for Bonding pressure or temperature measuring set and heating arrangement according to claim 18, it is characterized in that, use bonding method, friction welding, flange or compression method, method of laser welding or clamping method produce with web member or the resistance to compression connecting pipe of housing parts for being connected with web member.
21. connected systems for Bonding pressure or temperature measuring set and heating arrangement according to claim 18, it is characterized in that, resistance to compression connecting pipe is made up of black plastic, and is at least equipped with a web member.
CN201420388856.6U 2014-02-26 2014-07-14 A kind of measurement mechanism of being tightly connected with well heater and the connected system for Bonding pressure or temperature measuring set and heating arrangement Active CN204202805U (en)

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DE202014001825.1U DE202014001825U1 (en) 2014-02-26 2014-02-26 Meter and connection for a heater
DE202014001825.1 2014-02-26

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CN110114540A (en) * 2017-03-03 2019-08-09 塞尔盖伊·塞巴里 A kind of measuring instrument sealing element with lockable rotor
CN114680591A (en) * 2020-12-31 2022-07-01 沙克忍者运营有限责任公司 Cooking device and components thereof

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RU2750053C1 (en) * 2020-04-10 2021-06-21 Общество с ограниченной ответственностью Научно-производственное общество «ЮМАС» Electric contact manometer in an explosion-proof casing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110114540A (en) * 2017-03-03 2019-08-09 塞尔盖伊·塞巴里 A kind of measuring instrument sealing element with lockable rotor
CN110114540B (en) * 2017-03-03 2021-04-30 塞尔盖伊·塞巴里 Sealing element with lockable rotor for measuring instrument
CN114680591A (en) * 2020-12-31 2022-07-01 沙克忍者运营有限责任公司 Cooking device and components thereof

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