CN206410804U - It is a kind of to realize the pressure conduction mechanism that large range high precision pressure is monitored in real time - Google Patents
It is a kind of to realize the pressure conduction mechanism that large range high precision pressure is monitored in real time Download PDFInfo
- Publication number
- CN206410804U CN206410804U CN201620986116.1U CN201620986116U CN206410804U CN 206410804 U CN206410804 U CN 206410804U CN 201620986116 U CN201620986116 U CN 201620986116U CN 206410804 U CN206410804 U CN 206410804U
- Authority
- CN
- China
- Prior art keywords
- pressure
- spider
- conduction
- head
- connector
- 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.)
- Expired - Fee Related
Links
Abstract
The pressure conduction mechanism that large range high precision pressure is monitored in real time is realized the utility model discloses a kind of, pressure conduction mechanism is fixed on the bottom of crimping frame, and the pressure head crimping frame for being fixed on its underpart with driving moves to connector top；Pressure conduction mechanism includes upper spider, lower spider and pressure conduction component, and upper spider, which is fixed in the bottom of crimping frame, upper spider, is provided with big pressure sensor；The upper end of pressure conduction component is penetrated in spider；Lower spider is arranged at the bottom of pressure conduction component, and pressure conduction component is penetrated in lower spider, and the lower end of pressure conduction component is provided with small pressure sensor；When pressure head is unloaded or reaction force of by connector is less than pressure head gravity, spider pushes small pressure sensor under pressure head；When pressure head is more than pressure head gravity by the reaction force of connector, big pressure sensor is pushed up on pressure conduction component.The utility model ensures pressure detecting precision and range demand simultaneously, forms pressure curve and carries out pressure monitoring.
Description
Technical field
The utility model is related to the sensor field in semiconductor fabrication, refers in particular to one kind and realizes large range high precision
The pressure conduction mechanism that pressure is monitored in real time.
Background technology
With PCB integrated level more and more higher, high-density connector is used as interface unit excellent between circuit board
Also what is be employed is more and more extensive, and the connected mode of connector has welded type and compression joint type, compared to traditional welded type, compression joint type
There is reliability height and suitable for the connector of high-density contact pin, it has also become the connected mode of main connector, even
The basic process flow schematic diagram of device automatic crimping technique is connect, is mainly comprised the following steps that：Socket, connector is to pcb board, PCB
Plate through material strip flow into crimping station at, pcb board clamping positioning, connector automatic crimping, pcb board flow out.
Connector automatic crimping, is exactly with being formed with PCB plated through-holes from elastically deformable contact pin or rigid contact pin
A kind of connection, close contact point is formed between contact pin and plated through-hole, electric interconnection is realized by mechanical connection；For shape
Into close cooperation, the cross sectional dimensions of stitch have to be larger than plated through-hole aperture, during crimping, stitch cross section or gold
Categoryization hole will deform；The quality of crimp quality depends on the control accuracy to crimping pressure, in large-scale communications connectors pressure
Connect in technique, by reason of heavy pressure, the power very little that connector probe can bear, this is just proposed very to the precision of pressure sensor
High requirement, and the precision of traditional pressure sensor does not reach this requirement.
Connector automatic crimping process is divided into two stages：Inserting paragraph, crimp segment.In inserting paragraph, every of connector inserts
Pin is wanted in the smooth through hole for entering briquetting, is not bent；Such as a certain connector, provided according to connector supplier
Data, the minimum bend pressure of every contact pin is 1 N；In crimp segment, the crimping pressure of connector is 35000 N to the maximum；So,
It is to the requirement for crimping pressure acquisition system：In inserting paragraph, the precision of pressure acquisition will reach 1N；In crimp segment, pressure acquisition
Maximum range be 35000 N；It is 1 N, the pressure acquisition system that measurement range is 35000 N to need to build a measurement accuracy
System.
From above-mentioned requirements, if building crimping pressure acquisition system, existing market using single pressure sensor
It is upper to reach the requirement of two aspects of measuring accuracy and range simultaneously without a sensor；If using multiple pressure sensings
Device, it is necessary to design a special power-guiding machine structure.
Utility model content
The technical problems to be solved in the utility model is while ensureing pressure for above-mentioned the deficiencies in the prior art there is provided a kind of
Power accuracy of detection and range demand, formed pressure curve carry out pressure monitoring and kneel pin situation judgement realize large range high precision
The pressure conduction mechanism that pressure is monitored in real time.
The technical scheme that the utility model is taken is as follows：A kind of pressure for realizing that large range high precision pressure is monitored in real time is passed
Mechanism is led, pressure conduction mechanism is fixed on the bottom of crimping frame, and with crimping gantry motion, and its underpart is fixed in drive
Above ram movement to connector, connector is pushed；Pressure conduction mechanism includes upper spider, lower spider and pressure conduction component,
Wherein, above-mentioned upper spider, which is fixed in the bottom of crimping frame, upper spider, is provided with big pressure sensor；Above-mentioned pressure conduction group
The upper end of part is penetrated in spider, and in upper spider slidably；Above-mentioned lower spider is arranged at the bottom of pressure conduction component,
Pressure conduction component is penetrated in lower spider, and the lower end of pressure conduction component is provided with small pressure sensor；Pressure head it is unloaded or by
When the reaction force of connector is less than pressure head gravity, pressure head pushes small pressure sensor by lower spider, to carry out pressure inspection
Survey；When pressure head is more than pressure head gravity by the reaction force of connector, pressure head on pressure conduction component by pushing up big pressure sensing
Device, to carry out pressure detecting.
Preferably, the bottom of described upper spider offers and offers lower slide opening at the top of slide opening, lower spider；Above-mentioned pressure
The two ends of power conducting subassembly are slidably inserted into upper spider and lower spider through upper slide opening and lower slide opening respectively.
Preferably, described pressure head is fixed on the bottom of lower spider.
Preferably, described pressure conduction component includes conduction support plate, guide rod, uploads guide bracket and lower conduction seat, wherein, on
The middle part that conduction support plate is fixedly installed on guide rod is stated, upper spider and lower branch are inserted in the two ends of guide rod through upper slide opening and lower slide opening respectively
In set.
Preferably, described upload guide bracket and lower conduction seat are respectively arranged at the upper and lower ends of guide rod, and both diameters
The internal diameter of respectively greater than above-mentioned upper slide opening and lower slide opening, upper spider or lower spider are skidded off to prevent guide rod；Above-mentioned small pressure sensor
It is arranged on lower conduction seat, and sensing head is set upward.
The beneficial effects of the utility model are：
The utility model is researched and developed for automatic crimping, it is intended to solve pressure monitoring and connector during crimping
Kneel pin monitoring problem；For being high pressure between pressure head and connector during crimping, the utility model is using favour stone
Bridge method resistive pressure sensor will be the measurement to voltage to the measures conversion of pressure, realize that high-precision pressure is measured；
To meet high accuracy and a large amount of range requests in pressure measuring service simultaneously, the utility model uses small pressure sensor and big pressure
Combined structure of sensor, by designing a kind of pressure conduction mechanism, pressure conduction mechanism is fixed in crimping frame, and its underpart is solid
Surely there is pressure head, so that band dynamic head is carried out above level to connector with crimping frame, and carry out elevating movement, push pressure head
Connector, until in connector insertion pcb board；Pressure conduction mechanism includes upper spider, lower spider and pressure conduction component, big pressure
Force snesor is arranged in spider, and lower spider is connected to below upper spider by pressure conduction component, and small pressure sensor is consolidated
Due to stretching on the seat of the lower conduction in lower spider, and in the lower spider；When pressure head is not in contact with connector, pressure head passes through lower spider
Push small pressure sensor, pressure head progressively contact-connection assembly for electric when, reaction force of the connector to pressure head makes pressure head drive lower spider
Ascending motion, the lower upward jack-up guide rod of spider makes the upload guide bracket at the top of guide rod is progressively upper to press big pressure sensor, passes through this kind
Structure design, small pressure sensor carries out pressure detecting when unloaded pressure head and connector inserting paragraph, and big pressure sensor is carried out
Connector is pressed into pressure detecting during section, that is, ensure that accuracy of detection during inserting paragraph, and range when meeting press-in section again is needed
Ask.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model pressure detecting principle schematic
Embodiment
The utility model is further described below in conjunction with accompanying drawing：
As shown in figure 1, the technical scheme that the utility model is taken is as follows：One kind realizes that large range high precision pressure is supervised in real time
The pressure conduction mechanism of survey, pressure conduction mechanism is fixed on the bottom of crimping frame 0, and is moved with crimping frame 0, and drives solid
Pressure head 6 due to its underpart is moved to above connector, pushes connector；Pressure conduction mechanism includes upper spider 1, lower spider 4
And pressure conduction component 3, wherein, above-mentioned upper spider 1, which is fixed in the bottom of crimping frame 0, upper spider 1, is provided with big pressure biography
Sensor 2；The upper end of above-mentioned pressure conduction component 3 is penetrated in spider 1, and in upper spider 1 slidably；Above-mentioned lower spider 4
The bottom of pressure conduction component 3 is arranged at, pressure conduction component 3 is penetrated in lower spider 4, and the lower end of pressure conduction component 3 is set
There is small pressure sensor 5；When pressure head 6 is unloaded or reaction force of by connector is less than 6 gravity of pressure head, pressure head 6 passes through lower branch
Set 4 pushes small pressure sensor 5, to carry out pressure detecting；Pressure head is more than the gravity of pressure head 6 by the reaction force of connector
When, pressure head 6 is by pushing up big pressure sensor 2 on pressure conduction component 3, to carry out pressure detecting.
The bottom of upper spider 1 offers slide opening A, and the top of lower spider 4 offers lower slide opening B；Above-mentioned pressure conduction group
The two ends of part 3 are slidably inserted into upper spider 1 and lower spider 4 through upper slide opening A and lower slide opening B respectively.
Pressure head 6 is fixed on the bottom of lower spider 4.
Pressure conduction component 3 includes conduction support plate 31, guide rod 32, uploads guide bracket 33 and lower conduction seat 34, wherein, above-mentioned biography
Lead the middle part that support plate is fixedly installed on guide rod 32, the two ends of guide rod 32 respectively through spider 1 on upper slide opening A and lower slide opening B insertions and
In lower spider 4.
Upload guide bracket 33 and lower conduction seat 34 is respectively arranged at the upper and lower ends of guide rod 32, and both diameters are respectively greater than
Above-mentioned upper slide opening A and lower slide opening B internal diameter, upper spider 1 or lower spider 4 are skidded off to prevent guide rod 32；Above-mentioned small pressure sensor 5 is set
It is placed on lower conduction seat 34, and sensing head is set upward.
Further, as shown in Fig. 2 pressure detection method of the present utility model：
In the occasion of high pressure, direct measurement pressure is very inconvenient, using Wheatstone bridge method resistive pressure
Sensor will be the measurement to voltage to the measures conversion of pressure, as shown in Figure 2, it is known that, Wheatstone bridge includes four strains
Resistance, referred to as four bridge arms, electric bridge needs outside application driving voltage VEX ability normal works, can draw bridge output voltage
Vo expression formulas such as formula（3-1）It is shown：
（3-1）
Wherein, R1, R2, R3 are fixed value resistance, and R4 is force sensing resistance, in the case of not applying pressure, is had：
When outside applies pressure F, the change due to R4 force-sensitive property, i.e. resistance is with applying stressed be changing into just
Than so that the output voltage Vo changes of electric bridge are directly proportional to pressure F change；After zero compensation is carried out, the output of electric bridge
Voltage Vo is directly proportional to pressure F；Can will be thus the measurement to voltage to the measures conversion of pressure, so as to realize a large amount of
The measurement of journey, high-precision pressure.
The utility model is all installed four bridge arms of electric bridge with force-sensitive property to improve the sensitivity of measurement
Strain gauge, can increase substantially the sensitivity of measurement, by calculating, can obtain formula（3-2）：
（3-2）
By formula（3-2）Understand, Vo and pressure F are proportional, thus successfully will to the measures conversion of pressure be pair
The measurement of voltage.
Further, use conduction-type pressure conduction mechanism of the present utility model is set：
1）Pressure conduction mechanism：
Pressure conduction mechanism is fixed in crimping frame 0, and is moved with crimping frame 0, and pressure conduction mechanism bottom is provided with
Pressure head 6, pressure conduction mechanism includes setting respectively in upper spider 1, lower spider 4 and pressure conduction component 3, upper spider 1 and lower spider
There is sensing head downward and top sets big pressure sensor and small pressure sensor.
2）Operation principle：
When not applying pressure, the gravity that small pressure sensor bears pressure head is 70 N, is added by negating on software
70 operations, now the value of small pressure sensor is 0；
In the range of pressure is applied for 0 ~ 70 N, small pressure sensor is in running order, the type of small pressure sensor
Number be INTERFACE LBM-100, range be 100 N, measurement accuracy is 0.2N；
Applying in the range of the N of pressure 70 ~ 150, pressure head has held out against guide rod, and now two pressure sensors all do not work,
Belong to the transitional period；
In the range of pressure is applied for 150 ~ 35000 N, guide rod is held out against upwards, and big pressure sensor is started working.Greatly
The model AEP CM-3500 of pressure sensor, range is 35000 N, and measurement accuracy is 70 N.
Embodiment of the present utility model is to introduce its embodiment, does not lie in and limits its protection domain.The industry
Technical staff can make some modifications under the inspiration of the present embodiment, therefore all done according to the utility model the scope of the claims
Equivalent change or modification, is belonged in the utility model scope of the patent claims.
Claims (5)
1. a kind of realize the pressure conduction mechanism that large range high precision pressure is monitored in real time, it is characterised in that：Pressure conduction mechanism
It is fixed on crimping frame（0）Bottom, and with crimping frame（0）Motion, and drive the pressure head for being fixed on its underpart（6）Move to
Above connector, connector is pushed；Pressure conduction mechanism includes upper spider（1）, lower spider（4）And pressure conduction component（3）, its
In, above-mentioned upper spider（1）It is fixed on crimping frame（0）Bottom, upper spider（1）Inside it is provided with big pressure sensor（2）；It is above-mentioned
Pressure conduction component（3）Upper end penetrate spider（1）It is interior, and in upper spider（1）Inside slidably；Above-mentioned lower spider（4）If
It is placed in pressure conduction component（3）Bottom, pressure conduction component（3）Penetrate lower spider（4）It is interior, and pressure conduction component（3）'s
Lower end is provided with small pressure sensor（5）；Pressure head（6）Unloaded or by connector reaction force is less than pressure head（6）During gravity, pressure
Head（6）Pass through lower spider（4）Push small pressure sensor（5）, to carry out pressure detecting；Reaction of the pressure head by connector
Power is more than pressure head（6）During gravity, pressure head（6）Pass through pressure conduction component（3）Upper top big pressure sensor（2）, to be pressed
Power is detected.
2. it is according to claim 1 it is a kind of realize the pressure conduction mechanism that large range high precision pressure is monitored in real time, it is special
Levy and be：Upper spider（1）Bottom offer slide opening（A）, lower spider（4）Top offer lower slide opening（B）；Above-mentioned pressure
Conducting subassembly（3）Two ends respectively through upper slide opening（A）And lower slide opening（B）It is slidably inserted into spider（1）And lower spider（4）
It is interior.
3. it is according to claim 2 it is a kind of realize the pressure conduction mechanism that large range high precision pressure is monitored in real time, it is special
Levy and be：Described pressure head（6）It is fixed on lower spider（4）Bottom.
4. it is according to claim 3 it is a kind of realize the pressure conduction mechanism that large range high precision pressure is monitored in real time, it is special
Levy and be：Described pressure conduction component（3）Including conduction support plate（31）, guide rod（32）, upload guide bracket（33）And lower conduction seat
（34）, wherein, above-mentioned conduction support plate is fixedly installed on guide rod（32）Middle part, guide rod（32）Two ends respectively through upper slide opening（A）
And lower slide opening（B）Spider in insertion（1）And lower spider（4）It is interior.
5. it is according to claim 4 it is a kind of realize the pressure conduction mechanism that large range high precision pressure is monitored in real time, it is special
Levy and be：Described upload guide bracket（33）And lower conduction seat（34）It is respectively arranged at guide rod（32）Upper and lower ends, and both
Diameter is respectively greater than above-mentioned upper slide opening（A）And lower slide opening（B）Internal diameter, to prevent guide rod（32）Skid off spider（1）Or lower spider
（4）；Above-mentioned small pressure sensor（5）It is arranged at lower conduction seat（34）On, and sensing head sets upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986116.1U CN206410804U (en) | 2016-08-30 | 2016-08-30 | It is a kind of to realize the pressure conduction mechanism that large range high precision pressure is monitored in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620986116.1U CN206410804U (en) | 2016-08-30 | 2016-08-30 | It is a kind of to realize the pressure conduction mechanism that large range high precision pressure is monitored in real time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206410804U true CN206410804U (en) | 2017-08-15 |
Family
ID=59548142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620986116.1U Expired - Fee Related CN206410804U (en) | 2016-08-30 | 2016-08-30 | It is a kind of to realize the pressure conduction mechanism that large range high precision pressure is monitored in real time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206410804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551289A (en) * | 2020-05-09 | 2020-08-18 | 安徽春辉仪表线缆集团有限公司 | Double-range high-precision pressure sensor |
-
2016
- 2016-08-30 CN CN201620986116.1U patent/CN206410804U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111551289A (en) * | 2020-05-09 | 2020-08-18 | 安徽春辉仪表线缆集团有限公司 | Double-range high-precision pressure sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106197810A (en) | A kind of large range high precision pressure real-time monitoring system based on conduction mechanism and monitoring method thereof | |
| CN202033137U (en) | Force sensor for automotive body suspension bracket | |
| CN102080514B (en) | Mechanical parameter measuring device of underground compression type packer and using method thereof | |
| CN206410804U (en) | It is a kind of to realize the pressure conduction mechanism that large range high precision pressure is monitored in real time | |
| CN208704709U (en) | Ring stiffness inner diameter measuring device | |
| CN108253910A (en) | Graphite electrode ontology or connector taper thread automatic measurement mechanism, system and method | |
| CN205879259U (en) | Two -phase flow measuring device | |
| CN107589031A (en) | One kind verification tension and compression reaction frame | |
| CN203534767U (en) | Pressure sensor calibration device | |
| CN202216683U (en) | Device for measuring internal diameter deformation in pipe ring stiffness detection | |
| CN204177568U (en) | A kind of lateral stiffness measurement mechanism of auto pedal | |
| CN104634508A (en) | Pressure sensor calibration device | |
| CN206096284U (en) | Electric capacity check out test set | |
| CN201763064U (en) | Key bit code extracting device | |
| CN206210408U (en) | A kind of tension measurement mechanism and the fuel rod pulling device using the mechanism | |
| CN109297809A (en) | A kind of device and measurement method measuring bolt clamping force | |
| CN109900234A (en) | A kind of outside circle average diameter testing agency of internal tooth form workpiece | |
| CN106840915B (en) | A kind of beam test device and method of duct piece connector | |
| CN208172170U (en) | A kind of combined type PCB test tool of ten octuple density | |
| CN105929208B (en) | A kind of test probe card detecting integrated circuit | |
| CN209432097U (en) | A kind of outside circle average diameter testing agency of internal tooth form workpiece | |
| CN101936092B (en) | Device for extracting bit codes of key | |
| CN107621358A (en) | A kind of automobile exterior panel assembly crossbeam detects tool | |
| CN205748251U (en) | A kind of micro-displacement measuring device based on Hall element | |
| CN202467816U (en) | Lead mold for detecting casing damaged well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20180830 |