CN208350126U - A kind of temperature and pressure integral sensor - Google Patents

A kind of temperature and pressure integral sensor Download PDF

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Publication number
CN208350126U
CN208350126U CN201820885362.7U CN201820885362U CN208350126U CN 208350126 U CN208350126 U CN 208350126U CN 201820885362 U CN201820885362 U CN 201820885362U CN 208350126 U CN208350126 U CN 208350126U
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pressure
temperature
component
pressure sensor
conditioning circuit
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CN201820885362.7U
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徐文
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Shenzhen Ampron Technology Corp
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Shenzhen Ampron Technology Corp
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Abstract

The utility model discloses a kind of temperature and pressure integral sensors, it includes sequentially connected electrical fitting, pressure sensor component, matrix component, flexible conditioning circuit plate is set between pressure sensor component and electrical fitting, pressure sensor component is electrically connected with flexible conditioning circuit plate, flexible conditioning circuit plate is connected with a conductive extension, and conductive extension bottom end is provided with temperature sensor element.Processing and conversion while the coupling of flexible conditioning circuit plate and pressure sensor unit, temperature sensor unit realizes flexible conditioning circuit to pressure signal and temperature signal, temperature, pressure integrated type sensor are obtained, structure is simple, compact, it is easily installed in test environment, application range is wider.Conductive extension is installed and is extended to below matrix component by pressure sensor component, the external of matrix component, solves the problems, such as that traditional sensors threading operation is difficult to operate, low efficiency, is easy to damage conducting wire and is easily assembled to, producing efficiency is high.

Description

A kind of temperature and pressure integral sensor
Technical field
The utility model belongs to sensor technical field, relates in particular to a kind of temperature and pressure integral sensor.
Background technique
Sensor is one of industrial control system important component, for experiencing measured information and being measured Information is exported according to the information that certain rule is converted to electric signal or other required forms, and traditional every kind of sensor is only used for A kind of physical quantity is measured, as automatically-monitored technology is increasingly developed, the sensor of single-measurement function has been unable to satisfy needs, In actual use, generally require to measure multiple parameters simultaneously a position, especially temperature and pressure parameter often needs to together When obtain, independent measurement such as is carried out to parameter using discrete temperature sensor and pressure sensor, it is difficult to guarantee tested point It is also higher to buy two kinds of costs respectively for the identity set.
To solve the above problems, temperature and pressure integrative sensor becomes the research hotspot of industry, temperature sensor, pressure sensing Device is the maximum two kinds of sensors of sensor industry usage amount, and is frequently necessary to be used together, and temperature and pressure integrative sensor goes out Now solve the problems, such as that traditional standalone sensor occupied space is big, test data is inaccurate.
As Chinese patent CN102980714 discloses a kind of compact sensor component of combination pressure/temperature, the sensing Device assembly is equipped with middle board group part, and board group part includes at least one disc-shaped element and hollow probe element, temperature sensor member in this Part is installed in hollow probe element, and the extraction wire of temperature sensor element need to pass through hollow probe element and pass through middle board group Part reaches the hollow volume portion of recess, and is finally coupled with the terminal of electronic circuit.In this sensor module, temperature The threading operating efficiency of sensor element conducting wire is very low, and conducting wire couples with terminal and suitable technique is needed to realize, this mistake Journey is likely to result in conducting wire damage, to influence the electrical connection performance of sensor.In addition, composition in board group part dish-type element It is assembled again after needing machine-shaping respectively with hollow probe element, so that sensor manufacturing process is cumbersome, while also increasing biography The manufacturing cost of sensor.
Patent EP2749855A2 discloses a kind of sensor module, and sensor module has molding anti-by plastic injected die Shield is used to install sensor module and be exposed in medium measured by sensor, the sensor module installation dimension Larger, application is restricted, in addition, adapting to not equality of temperature by changing sensor probe length in this sensor module Spend the requirement of measurement, it means that the sensor that need to carry out injection molding production different length according to demand to different measurement occasions is visited Head makes complex and costly high.
Utility model content
For this purpose, the utility model exactly will solve above-mentioned technical problem, to propose that one kind is compact-sized, size is small, easy In assembling, low-cost temperature and pressure integral sensor.
In order to solve the above technical problems, the technical solution of the utility model are as follows:
The utility model provides a kind of temperature and pressure integral sensor comprising sequentially connected electrical fitting, pressure Flexible conditioning electricity is arranged in force sensor element, matrix component between the pressure sensor component and the electrical fitting Road plate, the pressure sensor component are electrically connected with the flexible conditioning circuit plate, and the flexibility conditioning circuit plate is connected with one Conductive extension, the conductive extension extend to described matrix component bottom end, the conduction by pressure sensor component top Extension bottom end is provided with temperature sensor element.
Preferably, further including housing parts, the housing parts include an accommodating cavity and are connected to the accommodating cavity Probe, the accommodating cavity connect for accommodating the flexible conditioning circuit plate, pressure sensor component, matrix component and partial electric Fitting, the conductive extension extend to bottom in the probe through pressure sensor component, base assembly.
Preferably, the pressure sensor assembly includes pedestal and the pressure sensitive film for being set to the base bottom surface, it is described Flexible conditioning circuit plate is set to the base top surface.
Preferably, described matrix component includes cylindrical base and is set to two of the cylindrical base bottom and leads Fluidization tower, the diversion column have axially disposed through-hole, are oriented to the pressure sensor component for that will test fluid, described Pressure sensor component is set at the top of the cylindrical base.
Preferably, the cylindrical base side wall and bottom surface are provided with for accommodating leading vertically for the conductive extension To slot and horizontal guide slot;The electrical fitting, which has, is vertically directed the compatible clamping portion of slot, the clamping portion with described Slot is vertically directed described in being sticked in.
Preferably, each water conservancy diversion column outer wall is provided with installing groove, it is close to be provided with first in the installing groove Seal;The second sealing ring is provided between the cylindrical base and the pressure sensor component.
Preferably, the position that the housing parts correspond to the diversion column is provided with for installing the diversion column Counterbore, the counterbore base are provided with the runner for being used to import test fluid being connected to the counterbore.
Preferably, the probe is the hollow cylindrical probe of bottom end closure, it is provided with enhancement layer outside the probe, Bottom is provided with thermal conductive material layer in the probe, and the thermal conductive material layer is wrapped in outside the temperature sensor element.
Preferably, the conductive extension and the flexible conditioning circuit plate be integrally formed and can free folding, it is described Conductive extension be close to described in be vertically directed slot and horizontal guide slot setting and to far from the pressure sensor component direction Bending extends, and at the cylindrical base bottom center, the conductive extension is fixed on described by a jeans button Horizontal guide slot.
Preferably, the cylindrical base side wall also set up there are two install card slot, the electrical fitting have with The shackle member of the installation card slot adaptation, the electrical fitting are connect with the installation card slot buckle-type.
The above-mentioned technical proposal of the utility model has the advantage that compared with prior art
Temperature and pressure integral sensor described in the utility model comprising sequentially connected electrical fitting, pressure Flexible conditioning circuit is arranged in sensor element, matrix component between the pressure sensor component and the electrical fitting Plate, the pressure sensor component are electrically connected with the flexible conditioning circuit plate, and the flexibility conditioning circuit plate is connected with one and leads Portion is electrically extended, the conductive extension bottom end is provided with temperature sensor element, and the conductive extension is by pressure sensor member Part top extends to described matrix component bottom end.Wherein flexible conditioning circuit plate and pressure sensor unit, temperature sensor list Processing and conversion while the coupling of member realizes flexible conditioning circuit to pressure signal and temperature signal, to obtain temperature Degree, pressure integrated type sensor, structure is simple, compact, is easily installed in test environment, application range is wider.Conduction is prolonged Matrix component lower section is installed and extended to extending portion by pressure sensor component, the external of matrix component, solves traditional sensors Middle threading operation is difficult to operate, low efficiency, is easy to damage the problem of conducting wire, is easily assembled to, and producing efficiency is high.In addition, hollow Cylindrical needle effectively prevents temperature sensor element and is exposed in measured medium, is situated between particular with corrosive measurement Matter.
Detailed description of the invention
In order to be more likely to be clearly understood the content of the utility model, below according to the specific implementation of the utility model Example and in conjunction with attached drawing, the utility model is described in further detail, wherein
Fig. 1 is the decomposition diagram of temperature and pressure integral sensor described in the utility model embodiment;
Fig. 2 is the sectional view of temperature and pressure integral sensor described in the utility model embodiment;
Fig. 3 is temperature and pressure integral sensor other direction sectional view described in the utility model embodiment;
Fig. 4 is the assembling schematic diagram of temperature and pressure integral sensor described in the utility model embodiment;
Fig. 5 be in temperature and pressure integral sensor described in the utility model embodiment pressure sensor component with it is soft The schematic diagram of property conditioning circuit plate;
Showing when Fig. 6 is the unassembled housing parts of temperature and pressure integral sensor described in the utility model embodiment It is intended to.
Appended drawing reference indicates in figure are as follows: 1- electrical fitting;The clamping portion 101-;102- shackle member;2- pressure sensor member Part;201- pedestal;202- pressure sensitive film;3- matrix component;301- cylindrical base;302- diversion column;303- is vertically directed slot; 304- horizontal guide slot;305- jeans button;306- installing groove;The first sealing ring of 307-;The second sealing ring of 308-;309- installation Card slot;4- flexibility conditioning circuit plate;401- conductive extension;5- temperature sensor element;6- housing parts;601- accommodating cavity; 602- probe;603- runner;604- enhancement layer;605- thermal conductive material layer;606- hickey.
Specific embodiment
Embodiment 1
It is that one kind can measured pressure signal and temperature simultaneously the present embodiment provides a kind of temperature and pressure integral sensor Spend signal sensor, the integral sensor as shown in figures 1 to 6, including from top to bottom sequentially connected electrical fitting 1, Pressure sensor component 2, matrix component 3 are arranged flexible between the pressure sensor component 2 and the electrical fitting 1 Conditioning circuit plate 4.
Wherein the electrical fitting 1 is used to realize that the electrical connection electrical fitting can be according to demand with other mechanisms Customization also can be standard component, as shown in Figure 1,1 bottom of the electrical fitting has an accommodating space, the flexible conditioning electricity Road plate 4 is set to 2 top surface of pressure sensor component, in the accommodating space, and the flexibility conditioning circuit plate 4 is by polyamides Asia The suitable materials such as amine material be made, with high reliability, it is soft and have certain toughness and intensity, can free folding become For shape without being damaged, the flexibility conditioning circuit plate 4, which is integrally formed, is connected with a conductive extension 401, the conductive extension 401 materials are consistent with flexible conditioning circuit 4 ontologies of plate, are also the suitable materials such as polyimide material, since it is with certain tough Property and intensity, can according to design requirement free folding be certain shapes, 401 bottom end of conductive extension is provided with temperature sensing Device element 5, the temperature sensor element 5 can be platinum film temperature sensor, pass through patch or other sides of being reliably connected Formula is connected to 401 bottom end of conductive extension.Sensor described in the present embodiment is by by flexible conditioning circuit plate 4 and pressure Sensor element 2 and temperature sensor element 5 couple, and realize flexible conditioning circuit plate 4 to pressure signal and temperature signal Processing simultaneously and conversion are a kind of sensors that can detect pressure and temperature signal simultaneously.
As shown in Figs. 1-2, the pressure sensor component 2 includes a pedestal 201, and 201 bottom surface of pedestal is (far from described The surface of electrical fitting) it is provided with pressure sensitive film 202, the pedestal 201 is cylindrical shape, and corresponding pressure sensitive film 202 is circle Shape, flexibility conditioning circuit plate 4 described in pressure sensitive film is set to 201 top surface of pedestal, as shown in Figure 1, the conductive extension 401 Paste 201 top surface of pedestal, side bends downward extension.Wherein, the pressure sensor component 2 can pass for ceramic capacitor-type Sensor component also can be ceramic piezoresistive sensor element or other appropriate sensor elements.
As shown in Figs 1-4, described matrix component 3 includes cylindrical base 301,301 bottom of the cylindrical base setting There are two cylindrical diversion column 302, the cylindrical base 301 and diversion column 302 can be formed by plastic injected die and be made, production It is low in cost.The pressure sensor component 2 is set to 301 top of cylindrical base, and the cylindrical base 301 is corresponding The position of the diversion column 302 is provided with through-hole, the diversion column 302 is also hollow circuit cylinder, is had axial along diversion column 302 The through-hole of setting, so that the diversion column 302 is connected to the cylindrical base 201, for measuring medium is imported round pressure-sensitive Film 202 provides necessary path.
301 side wall of cylindrical base and bottom surface are provided with for accommodating being vertically directed for the conductive extension 401 Slot 303 and horizontal guide slot 304, the conductive extension 401 is extended by 201 top surface of pedestal and bending is to 201 side wall of pedestal, so After be covered on it is described be vertically directed slot 303 and extend downward into 301 bottom surface of cylindrical base, bend and paste horizontal guide slot 304 Extend to 301 center of cylindrical base, bend, extend straight down again, finally with 301 bottom surface of cylindrical base It is vertically arranged.It is described be vertically directed slot 303, the width dimensions of horizontal guide slot 304 are adapted with the conductive extension 401, Conductive extension is accommodated and is vertically directed in slot 303 and horizontal guide slot 304, sufficiently to fix the conductive extension 401, Further include one with the horizontal guide slot 304 to the jeans button 305 being adapted to, the jeans button 305 and the horizontal guide slot 304 Slightly tight fit arbitrarily will not shake or fall so that conductive extension can more closely be installed on bent for shaping in guide groove, After cooperation, the bottom surface of jeans button 305 and 304 outer bottom of horizontal guide slot maintain an equal level, also, the jeans button 305 can be with circle The injection molding simultaneously of cylindricality matrix 301 reduces production cost without individually die sinking or otherwise machine-shaping.
In order to assemble electrical fitting 1 and matrix component 3, the electrical fitting 1, which has, is vertically directed slot with described The compatible clamping portion 101 of 303 sizes, the clamping portion 101 are vertically directed 303 clearance fit of slot with described, clamping portion 101 with The thickness of the conductive extension 401, clamping portion can at least be accommodated in the gap of guide groove depth direction by being vertically directed slot 303 Conductive extension 401 is fixed on and is vertically directed in slot 303 by 101, further improves the stabilization of the installation of conductive extension 401 Property.
301 side wall of cylindrical base is also set up there are two card slot 309 is installed, and the electrical fitting 1 has and institute The installation compatible shackle member 102 of card slot 309 is stated, the shackle member 102 is connect with 309 buckle-type of installing groove, thus Electrical fitting 1 is set to be connected firmly with cylindrical base 301.
Since the sensor is commonly used to detection Fluid pressure and temperature, it need to guarantee the leakproofness of sensor, be Reach this purpose, each 302 outer wall of diversion column offers installing groove 306, and is equipped in the installing groove 306 One sealing ring 307 has a volume portion at the top of the cylindrical base 301, is equipped with the second sealing ring in the volume portion 308, the pressure sensor component 2 is set to 308 top of the second sealing ring, and (i.e. described second sealing ring is set to described Between pressure sensor component 2 and cylindrical base 3), the sealing effect of measuring medium is played, prevents measuring medium from entering pressure Sensor element 2 and flexible conditioning circuit plate 4 damage it.
Further, further include housing parts 6, the housing parts 6 include a cup type accommodating cavity 601 and with the accommodating The cylindrical, hollow probe 602 that chamber 601 is connected to, the accommodating cavity 601 is for accommodating entire flexible conditioning circuit plate 4, pressure biography Sensor component 2, matrix component 3 and partial electric connector 1, the conductive extension 401 is through pressure sensor assembly 2, substrate Component 3 extends to bottom in hollow probe 602 by accommodating cavity 601.Interior, described 601 bottom of cup type accommodating cavity of the housing parts 6 Position corresponding to the diversion column 302 is provided with the counterbore for installing the diversion column 302, and the counterbore is the water conservancy diversion Column 302 provides installation space, and plays guiding role, the counterbore base be provided be connected to the counterbore for importing The runner 603 of measuring medium, described 603 one end of runner is in communication with the outside, the other end is connected by counterbore and the diversion column 302 It is logical.The housing parts 6 can be made of materials such as stainless steel, copper.
For the service life for improving sensor, also settable one layer of enhancement layer 604 outside the probe 602, the reinforcement Layer 604 is to be integrally machined molding metal layer with the shell 6 and probe 602, prevents sensor from falling and damages probe 602, The probe 602 is integrally formed with the cup type accommodating cavity 601 by machining mode, without additionally opening injection molding or punching press molding It makes, manufacturing process is simple, and sensor outer dimension is effectively reduced, and occupied space is smaller.Bottom is set in the probe 602 It is equipped with thermal conductive material layer 605, the thermal conductive material layer 605 at least fills in probe 602 1/3 capacity, and the Heat Conduction Material Layer 605 is wrapped in outside the temperature sensor element 5, and the thermal conductive material layer can be by heat conductive silica gel, thermal conductive ceramic or thermally conductive Made of metal obtains in the present embodiment using heat-conducting glue, and probe interior can be sufficient filling with after thermally conductive adhesive curing.Envelope described in the present embodiment Enclosed probe effectively prevents temperature sensor element and is exposed in measured medium, is situated between particular with corrosive measurement Matter.
As shown, the housing parts 6 also have a hickey 606, the hickey 606 is set to the appearance Set 601 outer bottom of chamber, for by sensor be installed in equipment or other measuring systems in.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (10)

1. a kind of temperature and pressure integral sensor, which is characterized in that including sequentially connected electrical fitting, pressure sensing Flexible conditioning circuit plate, institute is arranged in device element, matrix component between the pressure sensor component and the electrical fitting It states pressure sensor component to be electrically connected with the flexible conditioning circuit plate, the flexibility conditioning circuit plate is connected with a conductive extension Portion, the conductive extension extend to described matrix component bottom end, the conductive extension bottom by pressure sensor component top End is provided with temperature sensor element.
2. temperature and pressure integral sensor according to claim 1, which is characterized in that it further include housing parts, it is described Housing parts include an accommodating cavity and the probe that is connected to the accommodating cavity, and the accommodating cavity is for accommodating the flexible conditioning electricity Road plate, pressure sensor component, matrix component and partial electric connector, the conductive extension through pressure sensor component, Base assembly extends to bottom in the probe.
3. temperature and pressure integral sensor according to claim 2, which is characterized in that the pressure sensor component Including pedestal and the pressure sensitive film for being set to the base bottom surface, the flexibility conditioning circuit plate is set to the base top surface.
4. temperature and pressure integral sensor according to claim 3, which is characterized in that described matrix component includes circle Cylindricality matrix and two diversion columns for being set to the cylindrical base bottom, the diversion column have axially disposed lead to Hole is oriented to the pressure sensor component for that will test fluid, and the pressure sensor component is set to the cylindrical base At the top of body.
5. temperature and pressure integral sensor according to claim 4, which is characterized in that the cylindrical base side wall It is provided with bottom surface and is vertically directed slot and horizontal guide slot for accommodate the conductive extension;The electrical fitting has The compatible clamping portion of slot is vertically directed with described, and the clamping portion, which is sticked in, described is vertically directed slot.
6. temperature and pressure integral sensor according to claim 5, which is characterized in that each water conservancy diversion column outer wall It is provided with installing groove, the first sealing ring is provided in the installing groove;The cylindrical base and the pressure sensor The second sealing ring is provided between element.
7. temperature and pressure integral sensor according to claim 6, which is characterized in that the housing parts correspond to The position of the diversion column is provided with the counterbore for installing the diversion column, and the counterbore base is provided with to be connected with the counterbore The logical runner for being used to import test fluid.
8. temperature and pressure integral sensor according to claim 7, which is characterized in that the probe is bottom end closure Hollow cylindrical probe, be provided with enhancement layer outside the probe, bottom is provided with thermal conductive material layer in the probe, described Thermal conductive material layer is wrapped in outside the temperature sensor element.
9. temperature and pressure integral sensor according to claim 8, which is characterized in that the conductive extension and institute State flexible conditioning circuit plate be integrally formed and can free folding, the conductive extension be close to described in be vertically directed slot and level is led It is arranged to slot and bent to the direction far from the pressure sensor component, extended, perpendicular in the cylindrical base bottom surface At the heart, the conductive extension is fixed on the horizontal guide slot by a jeans button.
10. temperature and pressure integral sensor according to claim 9, which is characterized in that the cylindrical base side wall It also sets up there are two card slot is installed, the electrical fitting has the shackle member being adapted to the installation card slot, the shackle member It is connect with the installation card slot buckle-type.
CN201820885362.7U 2018-06-06 2018-06-06 A kind of temperature and pressure integral sensor Active CN208350126U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108414030A (en) * 2018-06-06 2018-08-17 深圳安培龙科技股份有限公司 A kind of temperature and pressure integral sensor
CN113252203A (en) * 2021-04-20 2021-08-13 季诺金(宁夏)科技有限公司 Temperature and pressure integrated sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108414030A (en) * 2018-06-06 2018-08-17 深圳安培龙科技股份有限公司 A kind of temperature and pressure integral sensor
CN113252203A (en) * 2021-04-20 2021-08-13 季诺金(宁夏)科技有限公司 Temperature and pressure integrated sensor

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