CN105890838B - Invasive pressure sensor - Google Patents
Invasive pressure sensor Download PDFInfo
- Publication number
- CN105890838B CN105890838B CN201610338691.5A CN201610338691A CN105890838B CN 105890838 B CN105890838 B CN 105890838B CN 201610338691 A CN201610338691 A CN 201610338691A CN 105890838 B CN105890838 B CN 105890838B
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- CN
- China
- Prior art keywords
- pressure sensor
- mounting seat
- pressure
- installation cavity
- connection terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The present invention discloses a kind of invasive pressure sensor, comprising: mounting seat has opening up installation cavity, and the bottom of the mounting seat is equipped with sense channel, and the bottom of the installation cavity is equipped with the mounting hole for being connected to the sense channel；Pressure sensor, the pressure-sensing probe set on the bottom of the installation cavity, and the pressure sensor stretch in the sense channel from the mounting hole；CA cable assembly, one end are mounted in the bottom of the installation cavity, and the other end stretches out the mounting seat setting；Elastic compression joint connector, both ends correspondence are touched with the pressure sensor and cable connector elasticity；And upper cover.The invasive blood pressure sensor that technical solution of the present invention proposes, the blood pressure signal obtained respectively with sensor, cable mould group crimping export sensor by the two sides of the elastic compression joint connector, thus the thoroughly ultraviolet adhesive curing of abandoning tradition technique and welding procedure.
Description
Technical field
The present invention relates to art of pressure sensors, in particular to a kind of invasive pressure sensor.
Background technique
Current invasive pressure sensor has been widely used in hospital operating room, department of anesthesia, in interventional therapy, invasive pressure
Sensor mostly uses greatly ultraviolet glue to be bonded cell pressure mouth, and the signal of sensor is drawn by way of welding cable.It is existing
It is connected between cable and sensor in pressure sensor assembly with the mode of welding, by ultraviolet between sensor and plastic parts
The mode of glue solidifies connection.Using existing above-mentioned design and processes during with ultraviolet glue cure sensor, modeling will cause
It the main reason for generation micro-crack in glue part runner, micro-crack is leakage in actual use, can also be made during welding
It falls off at sensor plastic parts, causes scrap of the product.Structure of the existing pressure sensor in progress assembling process is unreliable, at
Product rate is low, and cost of manufacture is high, does not meet the theory of green economy.
Summary of the invention
The main object of the present invention is to provide a kind of invasive pressure sensor, and the first purpose is to solve design and work at present
It falls off in skill in the plastic parts runner internal fissure as caused by assembly or cell pressure mouth welding process so as to cause whole production
The problem of product are scrapped.
To achieve the goals above, the present invention provides a kind of invasive pressure sensor, comprising:
Mounting seat, has opening up installation cavity, and the bottom of the mounting seat is equipped with sense channel, the installation
The bottom of chamber is equipped with the mounting hole for being connected to the sense channel；
Pressure sensor, set on the bottom of the installation cavity, and the pressure-sensing probe of the pressure sensor is described in
Mounting hole stretches in the sense channel；
CA cable assembly, one end are mounted in the bottom of the installation cavity, and the other end stretches out the mounting seat setting；
Elastic compression joint connector, both ends correspondence are touched with the pressure sensor and cable connector elasticity；And
Upper cover, lid close the opening setting of the mounting seat, and by the pressure sensor, cable together with mounting seat
Component and elastic compression joint connector limit are fixed.
Preferably, the elastic compression joint connector includes:
Insulating base frame is set between the pressure sensor and the CA cable assembly；And
Multiple power springs are set in the insulating base frame side by side, and the both ends of the multiple power spring manifest institute
Insulating base frame setting is stated, to form corresponding the first pressure connection terminal and second with the pressure sensor and CA cable assembly elastic compression joint
Pressure connection terminal.
Preferably, first pressure connection terminal and/or the second pressure connection terminal are arranged in bending.
Preferably, first pressure connection terminal is crimped with the upper surface of the pressure sensor, and first pressure connection terminal is downward
Curling setting, second pressure connection terminal crimps with the lower surface of the CA cable assembly, and first pressure connection terminal upsweeps setting.
Preferably, the insulating base frame includes insulating body and insulation lower cover, and the lower end surface of the insulating body opens up
There is the resigning chamber of the both ends of the surface through the insulating body, the bottom of the resigning chamber corresponds to every power spring and formed admittedly
The groove of the fixed power spring, the insulation lower cover lid close the lower port setting of the resigning chamber of the insulating body.
Preferably, the bottom of the installation cavity and positioning column is convexly equipped between adjacent groove, and the insulation lower cover
It is correspondingly provided with multiple location holes with the cooperation of the multiple positioning column.
Preferably, the bottom of the installation cavity of the mounting seat is equipped with more pillars, and the multiple pillar is in two rows of settings
And the mounting groove installed for the pressure sensor and the insulating base frame holding is limited, each pillar is equipped with fixation hole,
The upper cover is correspondingly provided with multiple bolts with the cooperation of the fixation hole of the multiple pillar.
Preferably, the two sides of the mounting seat are equipped with the elastic arm upwardly extended, two elastic arms of the mounting seat
It is corresponding to be abutted with two pillars that are being set to the box body two sides.
Preferably, the CA cable assembly includes enclosing that the box body for being in, to be set to the box intracorporal by lower box body and upper cartridge body
PCB circuit board and one end are connect with the PCB circuit board and the other end stretch out the box body and the mounting seat setting
Cable connector, the box body are mounted in the bottom of the installation cavity, the lower surface of the PCB circuit board be equipped with it is described
Multiple contacts of elastic compression joint connector crimping, the box body are equipped with the recessing groove planted for the elastic compression joint connector.
Preferably, the mounting seat, which is equipped with, is connected to the notch that the installation cavity is arranged, described in the box body holding fixation
Notch setting.
The invasive blood pressure sensor that technical solution of the present invention proposes is distinguished by the two sides of the elastic compression joint connector
The blood pressure signal obtained with pressure sensor, CA cable assembly crimping export pressure sensor measurement, so that welding procedure is abandoned, and
And by upper cover, lid closes the opening setting of the mounting seat, and by the pressure sensor, cable group together with mounting seat
Part and elastic compression joint connector limit are fixed, and are avoided passing through the ultraviolet adhesive curing of traditional handicraft and are fixed, solve in solidification process
Caused by crackle, a series of problems, such as cell pressure mouth falls off, assembly is simple, firm in structure.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the invasive pressure sensor overall structure figure that one embodiment of the invention provides；
Fig. 2 is the invasive pressure sensor structure figure for removing upper cover in Fig. 1；
Fig. 3 is the connection schematic diagram of the elastic compression joint connector two sides in Fig. 1；
Fig. 4 is the overall structure exploded view of invasive pressure sensor in Fig. 1；
Fig. 5 is the elastic compression joint connector construction schematic diagram that further embodiment of this invention provides；
Fig. 6 is the CA cable assembly structural schematic diagram that yet another embodiment of the invention provides；
Fig. 7 is the fractionation structural representation of Fig. 6 CA cable assembly；
Fig. 8 be another embodiment of the present invention provides elastic compression joint connector connection sensor structural schematic diagram.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
The invention proposes a kind of embodiments of invasive pressure sensor.
The invasive pressure sensor, as shown in Figures 1 to 4, the invasive pressure sensor includes: mounting seat 1, is had
Opening up installation cavity 10, the bottom of the mounting seat 1 are equipped with sense channel, and the bottom of the installation cavity 10 is equipped with connection
The mounting hole 11 of the sense channel；Pressure sensor 2, set on the bottom of the installation cavity 10, and the pressure sensor 2
Pressure-sensing probe stretches in the sense channel from the mounting hole 11；CA cable assembly 3, one end are mounted in the peace
Behave affectedly 10 bottom, the other end stretches out the mounting seat 1 and is arranged；Elastic compression joint connector 4, both ends are corresponding to be passed with the pressure
Sensor 2 and 30 elasticity of cable connector touch；And upper cover 5, lid close the opening setting of the mounting seat 1, and with installation bottom
The pressure sensor 2, CA cable assembly 3 and the elastic compression joint connector 4 are limited fix together by seat 1.The installation cavity 10
Silicon rubber cup 21, the feeling of stress of the pressure sensor 2 are provided on the interior mounting hole 11 to feel the pressure sensor 2 of pressure
Contact probe is fitted in the installation cavity 10 by the silicon rubber cup 21.
The invasive blood pressure sensor that technical solution of the present invention proposes passes through the two sides point of the elastic compression joint connector 4
Not and pressure sensor 2, the crimping of CA cable assembly 3 export the blood pressure signal that pressure sensor measurement obtains, to abandon Welder
Skill, and by upper cover 5, lid closes the opening setting of the mounting seat 1, and with mounting seat 1 together by the pressure sensing
Device 2, CA cable assembly 3 and the elastic compression joint connector 4 limit are fixed, and are avoided passing through the ultraviolet adhesive curing of traditional handicraft and are fixed, solve
Certainly in solidification process caused by crackle, a series of problems, such as cell pressure mouth falls off, assembly is simple, firm in structure.
As shown in figure 5, in an embodiment of the present invention, the elastic compression joint connector 4 includes: insulating base frame 40, it is set to
Between the pressure sensor 2 and the CA cable assembly 3；And multiple power springs 41, it is set to the insulating base frame 40 side by side
It is interior, and the both ends of the multiple power spring 41 manifest the insulating base frame 40 and are arranged, and are passed with forming the corresponding and pressure
The first pressure connection terminal 410 and the second pressure connection terminal 411 of 3 elastic compression joint of sensor 2 and CA cable assembly.Specifically, first pressure connection terminal
410 and/or second pressure connection terminal 411 in bending be arranged.And first pressure connection terminal 410 and second pressure connection terminal 411
Position between bending direction, and the pressure sensor 2 and the CA cable assembly 3 and the elastic compression joint connector 4 is related
System, for example, first pressure connection terminal 410 is crimped with the upper surface of the pressure sensor 2, first pressure connection terminal 410 is downwards
Curling setting, second pressure connection terminal 411 are crimped with the lower surface of the CA cable assembly 3, and first pressure connection terminal 410 scrolls up
Song setting, to increase the elasticity of first pressure connection terminal 410 and second pressure connection terminal 411.
The insulating base frame 40 can be integral type setting, be also possible to split type setting, in an embodiment of the present invention,
The insulating base frame 40 uses split settings, and specifically, the insulating base frame 40 includes insulating body and insulation lower cover, described
The lower end surface of insulating body offers the resigning chamber through the both ends of the surface of the insulating body, and the bottom of the resigning chamber is corresponding every
Power spring 41 described in item forms the groove 400 of the fixed power spring 41, and the insulation lower cover lid closes the insulating body
Resigning chamber lower port setting.Also, the bottom of the resigning chamber and positioning column is convexly equipped between adjacent groove 400
401, and the insulation lower cover is correspondingly provided with multiple location holes 420 with the cooperation of the multiple positioning column 401.The insulating body
It is fixedly connected by the positioning column 40 with 420 interference engagement of location hole with the insulation lower cover, in addition, the positioning column 40
Between adjacent groove 400,41 phase of the power spring barrier that will be set in groove 400, to prevent adjacent conductive bullet
Spring 41 mutually touches.
As shown in Fig. 3, Fig. 6 to Fig. 8, the CA cable assembly 3 include enclosed by lower box body 33 and upper cartridge body 34 box body for being in,
It is connect set on the intracorporal PCB circuit board 32 of the box and one end with the PCB circuit board 32 and the other end stretches out the box body
With the cable connector 31 of the mounting seat 1 setting, the box body is mounted in the bottom of the installation cavity 10, described
The lower surface of PCB circuit board 32 is equipped with the multiple contacts crimped with the elastic compression joint connector 4, and the box body is equipped with described in confession
The recessing groove 331 that elastic compression joint connector 4 is planted.
As shown in figure 4, the bottom of the installation cavity 10 of the mounting seat 1 is equipped with more pillars 51, the multiple pillar 51
The mounting groove installed for the pressure sensor 2 and 40 holding of the insulating base frame is limited in two rows of settings, each pillar
51 are equipped with fixation hole 52, and the upper cover 5 is correspondingly provided with multiple bolts 53 with the cooperation of the fixation hole 52 of the multiple pillar 51.
Further, the two sides of the mounting seat 1 are equipped with the elastic arm 12 upwardly extended, two elastic arms 12 of the mounting seat 1
Corresponding to abut with two pillars 51 that are being set to the box body two sides, resilient clamp facilitates installation.
Further, the mounting seat 1, which is equipped with, is connected to the notch (not indicating) that the installation cavity 10 is arranged, the box
Fixed notch (the not indicating) setting of body holding, fixation are simple and firm.
In the description of this specification, reference term " preferred ", " further ", " further ", " further
" or " specific " etc. description mean the specific features described in conjunction with the embodiment or example, structure, material or
Feature is contained at least one embodiment or example of the invention.In the present specification, to the schematic table of above-mentioned term
It states and is not necessarily referring to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more embodiments or example.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (7)
1. a kind of invasive pressure sensor characterized by comprising
Mounting seat has opening up installation cavity, and the bottom of the mounting seat is equipped with sense channel, the installation cavity
Bottom is equipped with the mounting hole for being connected to the sense channel；
Pressure sensor, set on the bottom of the installation cavity, the interior pressure sensor to feel pressure of the installation cavity
The mounting hole in be provided with silicon rubber cup, the pressure-sensing of the pressure sensor, which is popped one's head in, fits in institute by the silicon rubber cup
It states in mounting hole, and the pressure-sensing probe of the pressure sensor stretches in the sense channel from the mounting hole；
CA cable assembly, one end are mounted in the bottom of the installation cavity, and the other end stretches out the mounting seat setting；
Elastic compression joint connector, including set on the insulating base frame between the pressure sensor and the CA cable assembly and side by side
Set on the intracorporal multiple power springs of the insulating base, and the both ends of the multiple power spring manifest the insulating base frame and set
It sets, to form corresponding the first pressure connection terminal and the second pressure connection terminal with the pressure sensor and CA cable assembly elastic compression joint；And
Upper cover, lid close the opening setting of the mounting seat, and by the pressure sensor, CA cable assembly together with mounting seat
It limits and fixes with the elastic compression joint connector；
The insulating base frame includes insulating body and insulation lower cover, and the lower end surface of the insulating body is offered through described exhausted
The resigning chamber of the both ends of the surface of edge main body, the bottom of the resigning chamber correspond to every power spring and form the fixed conductive bullet
The groove of spring, the insulation lower cover lid close the lower port setting of the resigning chamber of the insulating body；
The bottom of the resigning chamber and positioning column is convexly equipped between adjacent groove, and the insulation lower cover is correspondingly provided with and institute
State multiple location holes of multiple positioning column cooperations.
2. invasive pressure sensor as described in claim 1, which is characterized in that first pressure connection terminal end and/or the second pressure
End is connect to be arranged in bending.
3. invasive pressure sensor as described in claim 1, which is characterized in that first pressure connection terminal and the pressure sensing
The upper surface of device crimps, and first pressure connection terminal crimps downwards setting, the following table of second pressure connection terminal and the CA cable assembly
Face pressure connects, and first pressure connection terminal upsweeps setting.
4. invasive pressure sensor as described in claim 1, which is characterized in that the bottom of the installation cavity of the mounting seat is set
There are more pillars, the multiple pillar limits and pacifies for the pressure sensor and the insulating base frame holding in two rows of settings
The mounting groove of dress, each pillar are equipped with fixation hole, and the upper cover is correspondingly provided with and the cooperation of the fixation hole of the multiple pillar
Multiple bolts.
5. invasive pressure sensor as claimed in claim 4, which is characterized in that the two sides of the mounting seat are equipped with prolongs upwards
The elastic arm stretched, two elastic arms of the mounting seat are corresponding to abut with two pillars for being set to the mounting seat two sides.
6. invasive pressure sensor as described in claim 1, which is characterized in that the CA cable assembly includes by lower box body and upper
Box body encloses the box body for being in, is set to the intracorporal PCB circuit board of the box and one end connect and another with the PCB circuit board
The cable connector of the box body and mounting seat setting is stretched out at end, and the box body is mounted in the bottom of the installation cavity
Portion, the lower surface of the PCB circuit board are equipped with the multiple contacts crimped with the elastic compression joint connector, and the box body is equipped with and supplies
The recessing groove that the elastic compression joint connector is planted.
7. invasive pressure sensor as claimed in claim 6, which is characterized in that the mounting seat, which is equipped with, is connected to the installation
The notch of chamber setting, the fixed notch setting of the box body holding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338691.5A CN105890838B (en) | 2016-05-19 | 2016-05-19 | Invasive pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610338691.5A CN105890838B (en) | 2016-05-19 | 2016-05-19 | Invasive pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105890838A CN105890838A (en) | 2016-08-24 |
| CN105890838B true CN105890838B (en) | 2019-04-05 |
Family
ID=56717603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610338691.5A Active CN105890838B (en) | 2016-05-19 | 2016-05-19 | Invasive pressure sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN105890838B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110522432A (en) * | 2019-09-26 | 2019-12-03 | 深圳安特医疗股份有限公司 | Pressure test component and invasive pressure sensor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371118A (en) * | 2005-12-16 | 2009-02-18 | 霍尼韦尔国际公司 | Design of a wet/wet amplified differential pressure sensor based on silicon piezo resistive technology |
| CN102124313A (en) * | 2008-06-19 | 2011-07-13 | 埃尔特克有限公司 | Pressure sensor device |
| CN202474432U (en) * | 2012-03-09 | 2012-10-03 | 泰科电子(上海)有限公司 | Electric connector, electric connector component and electronic device with component |
| CN204881964U (en) * | 2015-05-11 | 2015-12-16 | 温州卓人汽车电控有限公司 | Oil pump assembly pressure sensor |
| CN205785642U (en) * | 2016-05-19 | 2016-12-07 | 优尼麦迪克器械（深圳）有限公司 | Invasive pressure transducer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH708837A1 (en) * | 2013-11-14 | 2015-05-15 | Kistler Holding Ag | Piezoelectric force sensor with a detachable electrical connection between the electrode and contact pin. |
-
2016
- 2016-05-19 CN CN201610338691.5A patent/CN105890838B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101371118A (en) * | 2005-12-16 | 2009-02-18 | 霍尼韦尔国际公司 | Design of a wet/wet amplified differential pressure sensor based on silicon piezo resistive technology |
| CN102124313A (en) * | 2008-06-19 | 2011-07-13 | 埃尔特克有限公司 | Pressure sensor device |
| CN202474432U (en) * | 2012-03-09 | 2012-10-03 | 泰科电子(上海)有限公司 | Electric connector, electric connector component and electronic device with component |
| CN204881964U (en) * | 2015-05-11 | 2015-12-16 | 温州卓人汽车电控有限公司 | Oil pump assembly pressure sensor |
| CN205785642U (en) * | 2016-05-19 | 2016-12-07 | 优尼麦迪克器械（深圳）有限公司 | Invasive pressure transducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105890838A (en) | 2016-08-24 |
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