CN2819175Y - Connector of strain measuring device - Google Patents
Connector of strain measuring device Download PDFInfo
- Publication number
- CN2819175Y CN2819175Y CN 200520017221 CN200520017221U CN2819175Y CN 2819175 Y CN2819175 Y CN 2819175Y CN 200520017221 CN200520017221 CN 200520017221 CN 200520017221 U CN200520017221 U CN 200520017221U CN 2819175 Y CN2819175 Y CN 2819175Y
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- connector
- circuit board
- measurement device
- utility
- input end
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- Expired - Fee Related
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Abstract
The utility model relates to a connector of a strain measuring device, which can be used for connecting at least one ambient strain gauge. The connector is composed of a housing main body, multiple input terminals, a circuit board and an output terminal, wherein the multiple input terminals and the output terminal are respectively and electrically connected with the circuit board provided with a plurality of electronic components. The utility model is characterized in that the input terminal which receives the signal transmitted by the strain gauge is a socket. The utility model can change measuring condition through a switch so as to provide measuring functions with more elasticity and larger range; more accurate measuring values can be obtained by controlling the wiring lengths of the circuits connected with the signal wire of the same strain gauge to be equal.
Description
Technical field
The utility model relates to a kind of connector of strain measurement device, particularly a kind of gang socket and change-over switch with standard specification, the signal that the supplier just and fast receives strain gauge to be transmitted, and the connector of adjusting the strain measurement device of every environmental parameter setting of measuring.
Background technology
Science and technology is maked rapid progress and not only to be made releasing one after another of various new products and make the human more comfortable facility of life, and makes various small product size dwindle and have a more high degree of intelligence processing capacity by electronization and digitized mode.And circuit board must carry out functional test at this circuit board through a tester table after finishing at present, and inspection has or not situation of short circuit.This tester table mainly is made up of clamping device and measurement jig, the circuit board that wherein cooperates institute's desire test on this measurement jig, be provided with a plurality of probes in relative position, the clamping device that makes this measurement jig top stretches out downwards behind the clamping circuit board to be measured automatically, makes probe set on this measurement jig contact with each contact on the circuit board.Aforesaid tester table is the plant equipment of a full-automation, because the design of circuit board at present is accurate day by day, therefore the precision requirement for this tester table also promotes relatively.For fear of this tester table this under the situation of long-time continuous operation, cause this clamping device accurately circuit board under test and measurement jig to be carried out engaged test because of the operational tolerance of part assembly, problem is damaged in the excessive collision that causes of loose contact or contact power when causing testing.Therefore present tester table all must use a strain measurement device after one set time of running, measures at the clamping device of this tester table and the manipulation accuracy of measurement jig, and according to the reference of the result who measures as the adjustment tester table.Guarantee the test correctness of this tester table.
Above-mentioned strain measurement device mainly is made up of testing circuit board, connector and computing machine, wherein this testing circuit board is provided with a plurality of strain gauges, each strain gauge is connected with most bar signal line, and connector can be linked for the signal line of all strain gauges on the aforementioned beta version, and receives the measured signal of strain gauge and see through a data acquisition card (DAQ card) and signal is sent to does further to analyze on the screen that measurement result is shown in after the interpretation computing machine in the computing machine or print reference as the maintenance personal through converging whole test back.
The connector A (as shown in Figure 1) of known strained measuring equipment, its mainly by housing main body B, grip structure C, circuit board D and lead-out terminal E and formed.Wherein, grip structure C, circuit board D, and lead-out terminal E system be arranged in the housing main body B, be provided with opening F in housing main body B and can protrude from housing main body B for lead-out terminal E.Be provided with between this lead-out terminal E and circuit board D and be electrically connected, this circuit board D is provided with test required electronic package G and a plurality of lead fixed seat H.This lead fixed seat H is provided with a plurality of jack I, can insert the signal input fixing, that strain gauge is measured for the end of the signal line J that connects strain gauge.By circuit board D go up set electronic package G converge whole to the signal of those inputs and test after, by lead-out terminal E and data acquisition card (DAQ card) signal is sent to and does further to analyze interpretation in the computing machine.
The connector A of above-mentioned known strained measuring equipment, it has following defective at least on reality is used:
1, the connection of signal line J is too complicated loaded down with trivial details: known structure is when doing the connection of signal line J, operating personnel must could go up each bar signal line J insertion circuit board D in the jack I of set lead fixed seat H with reference to operation manual on one side one by one, not only trouble and quite complicated.
2, the design that grips structure C is not good, though the connector A of known strained measuring equipment upward is provided with at numerous signal line J and grips structure C, the marshalling precisely because must earlier numerous signal line J be gone ahead of the rest, the both sides that could utilize a pressing plate K to give pressing after the situation that eliminating signal line J overlaps and utilize screw L to be fixed in this pressing plate K give fixing smoothly, if not therefore operating personnel must consider promptly in grafting signal line J whether signal line J can overlap, otherwise just must be behind set correct jack I on the signal line J insertion lead fixed seat H, at the action that the staggered situation of signal line J overlapping is once put in order and got rid of in addition, quite waste unnecessary human resources and time.
3, the grafting of signal line J is too complicated: owing to the lead fixed seat H that this circuit board D is upward set is indefinite with the distance that grips structure C, relative meeting makes most signal line J can produce the phenomenon of long bending after being fixed on lead fixed seat H, makes whole connection situation more seem disorderly and unsystematic and is difficult to quick interpretation.
4, measuring function is very few: because the connector A of known strained measuring equipment system sees through by signal line J is inserted the condition that different jack I changes measurement, therefore the variation of the condition of relative whole measurement also can be subjected to certain restriction, make its measurement function that can provide be restricted, for example can't adjust compensating resistance, and can't adjust electric bridge .... etc. function.
5, impedance does not match: because the connector A of known strained measuring equipment, each jack I of its lead fixed seat H is different with the distance between lead-out terminal E, so wiring length therebetween is also different, so, the resistance value that wiring length is had between each jack I and lead-out terminal E is also all inequality, so will cause the error that measures precision.
Can clearly find by above stated specification, the connector of known strained measuring equipment, not only the test function that can provide is limited, and its with the connected mode of the signal line that is connected strain gauge with fix all too loaded down with trivial details inconvenience of structure of this signal line, many unnecessary human resources of related waste and time cost.
Summary of the invention
Fundamental purpose of the present utility model provides a kind of connection connector of strain measurement device fast, easily.
Above-mentioned purpose of the present utility model is to realize like this, a kind of connector of strain measurement device, can be used for connecting at least one extraneous strain gauge, this connector is made up of a housing main body, a plurality of input end, a circuit board and a lead-out terminal, a plurality of input ends and lead-out terminal are electrically connected with circuit board respectively, and circuit board is provided with some electronic packages; It is characterized in that: the input end that receives the strain gauge number of citation is a socket.
Technique effect of the present utility model is, 1, can change test condition by change-over switch, have more elasticity and the bigger test function of scope thereby provide; 2, the equal in length of the wiring that signal line connected by controlling same strain gauge can obtain to measure more accurately numerical value.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the perspective view of the connector of known strain measurement device;
Fig. 2 is the perspective view of the connector of the utility model strain measurement device;
Fig. 3 is the user mode synoptic diagram of the connector of the utility model strain measurement device;
Fig. 4 is a floor map of the present utility model.
Description of reference numerals: the connector of A known strained measuring equipment; The B housing main body; C grips structure; The D circuit board; The E lead-out terminal; The F opening; The G electronic package; H lead fixed seat; The I jack; The J signal line; The K pressing plate; The L screw; 1 connector; 11 housing main bodies; 111 perforates; 12 input ends; 13 circuit boards; 131 electronic packages; 132 change-over switches; 133 wirings; 14 lead-out terminals; 2 cabinets; 3 strain gauges; 31 signal line; 32 attachment plugs; 4 DAQ cards; 5 computing machines.
Embodiment
See also the connector perspective view and the user mode synoptic diagram of the utility model strain measurement device shown in Fig. 2 and Fig. 3 difference.
As shown in Figures 2 and 3, more the connector 1 of the strain measurement device of present embodiment can be organized and be connected and fixed on the cabinet 2, main being responsible for receives and changes the signal that strain gauge 3 is passed back, by a data acquisition card 4 (DAQ card) signal is sent to computing machine 5 then and analyzes interpretation.The connector 1 of this strain measurement device mainly comprises: housing main body 11, a plurality of input end 12, circuit board 13 and lead-out terminal 14.
Please continue with reference to figure 2, wherein, this majority input end 12, circuit board 13 and lead-out terminal 14 are arranged in the housing main body 11, and housing main body 11 is provided with perforate 111 in the position of input end 12 and lead-out terminal 14.These a plurality of input ends 12 and lead-out terminal 14 are electrically connected with circuit board 13 respectively, and circuit board 13 is provided with the required electronic package 131 of test.Be primarily characterized in that: this input end 12 of being responsible for receiving strain gauge 3 (strain gauge) number of citation is a socket (socket), and the pattern of this socket can be wherein any for the normalization socket (for example: RJ45, PS/2, USB, IEEE1394...... etc.) of multiple widespread usage in the 3C Product at present.
By aforementioned structure, the other end of the signal line 31 that the user can be connected strain gauge on the testing circuit board 3 is connected to the attachment plug 32 (connector) that can cooperatively interact.As long as make operating personnel this attachment plug 32 directly be inserted in the set input end 12 of the utility model connector 1, promptly can reach and be connected and fixed fast and the purpose of transmission signal in when assembling.Must will one by one single signal line J be sought and insert in the correct jack I earlier with respect to known structure, and must wait until that all signal line J have inserted and just can utilize the structure C mode that all signal line I are fixing that grips in the correct jack I, the utility model is as long as carry out a step, promptly can reach dual purpose fixing and that signal links simultaneously, therefore can significantly simplify built-up time, save cost of human resources.
In described structure, because each strain gauge 3 is connected with many signal line 31 (normal at present the use is three), therefore many signal line 31 on the same strain gauge 3 (strain gauge) can be fixed in the same attachment plug 32 (connector).Not only operating personnel can know resolution by this in numerous signal line 31, the position of each bar signal line 31.On the other hand, on every input end 12 that an attachment plug 32 (connector) is inserted into a socket (socket) type, just being equivalent to finish known product must continuous hunting also fix at least three signal line J, so the time of its saving definitely is to calculate with the multiple time.Pass through the connection of socket-type input end 12 on the other hand; Cooperate efficient planning, operating personnel can know the position of understanding every signal line 31, read loaded down with trivial details operation manual hard to understand (manual) and no longer need to rely on, and yes does not say and can explain for the convenience that it brought.
The utility model is in aforementioned structure, utilize plug to link fixing and the signal transmission, because socket of the present utility model (socket) type input end 12 proper alignment are in a side of connector 1, when therefore even the operator inserts all attachment plug 32 (connector) on the input end 12, it can also be done neat arrangement and can be without any confusion, signal line J is moved to the mode of complexity interlaced with each other in the connector A with respect to known product, the utility model not only can be possessed clean and tidy outward appearance, and once the operating personnel that pinpoint the problems can also find out abnormity point easily and be got rid of rapidly.
Structure of the present utility model in addition, further is provided with at least one change-over switch 132 except replacing lead fixed seat H with socket as described above and gripping the design of structure C on circuit board 13.This change-over switch 132 can be respectively with input end 12, lead-out terminal 14 and circuit board 13 on set electronic package 131 be electrically connected.By aforesaid structure, operating personnel can do to converge by the mode of adjusting change-over switch 132 and put in order and the various different test conditions of setting at the signal on this circuit board 13 of input.With respect to known structure; The utility model can be adjusted circuit connecting mode and resistance value on the circuit board 13 by adjusting change-over switch 132, to change its bridge diagram (for example switch and use 1/2 bridge diagram or 1/4 bridge diagram) or to adjust compensating resistance functions that known structure is beyond one's reach such as (impedance compensation).Not only adjust more convenient fast, and its variability and function can also relatively significantly promote.And aforesaid change-over switch 132 can be for using very general thumb-acting switch (DIPswitch) at present.
In the structure of the present utility model again, between each input end 12 and circuit board, be provided with a plurality of tie points, to transmit the measurement signal that different signal line 31 are transmitted.These a plurality of tie points directly are connected (seeing also shown in Figure 4) by wiring set on the circuit board 13 133 (layout) with lead-out terminal 14.And in order to obtain more accurate data, a plurality of tie points of the utility model same input end 12 on circuit board 13 the length of the wiring 133 that connects respectively be equal, so its resistance value that has is also all identical, so use the strain measurement device of connector 1 of the present utility model, it measures precision and will greatly improve.
Can know and significantly discovery by the explanation of aforementioned preferred embodiment, owing to not only utilize in the utility model the input end 12 of socket-type to replace in the known structure employed lead fixed seat H and grip structure C, not only can reach fixing fast and signal conducting purpose of connecting simultaneously, effectively save cost of human resources and time, reach the advantage that reduces cost, cooperate the design of change-over switch 132 simultaneously, can significantly increase the variability and the elasticity of its test condition, and the design of isometric wiring 133 also can make the accurate value of measurement more improve, not only can improve the profit of manufacturer, also can increase price competitiveness and the quality agressiveness of this product on the commercial market simultaneously.
But above-described embodiment shall not be applied to restriction range of application of the present utility model, and protection domain of the present utility model should be based on spirit that claim of the present utility model is defined and the impartial scope that is included that changes thereof.Be that all equalizations of being done according to the utility model claim change and modify, will do not lose main idea of the present utility model place, also do not break away from spirit and scope of the present utility model, all should be considered as further enforcement of the present utility model.
Claims (6)
1, a kind of connector of strain measurement device, can be used for connecting at least one extraneous strain gauge, this connector is made up of a housing main body, a plurality of input end, a circuit board and a lead-out terminal, a plurality of input ends and lead-out terminal are electrically connected with circuit board respectively, and circuit board is provided with some electronic packages; It is characterized in that: the input end that receives the strain gauge number of citation is a socket.
2, the connector of strain measurement device as claimed in claim 1 is characterized in that, the type of this socket be USB, RJ45, IEEE1394, telephone line plug or PS/2 one of them.
3, the connector of strain measurement device as claimed in claim 1 is characterized in that, each input end is responsible for receiving one group of majority group signal that strain gauge transmitted.
4, the connector of strain measurement device as claimed in claim 1, it is characterized in that, be provided with a plurality of tie points between each input end and circuit board, a plurality of tie points are connected with lead-out terminal by wiring set on the circuit board, and on the same input end a plurality of tie points the length of the wiring that connects respectively be equal.
5, the connector of strain measurement device as claimed in claim 1 is characterized in that, also comprises the circuit connecting mode of at least one adjustment circuit board and the change-over switch of resistance value on the circuit board.
6, the connector of strain measurement device as claimed in claim 5 is characterized in that, this change-over switch is meant pushes the pass aside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520017221 CN2819175Y (en) | 2005-04-25 | 2005-04-25 | Connector of strain measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520017221 CN2819175Y (en) | 2005-04-25 | 2005-04-25 | Connector of strain measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2819175Y true CN2819175Y (en) | 2006-09-20 |
Family
ID=37005234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520017221 Expired - Fee Related CN2819175Y (en) | 2005-04-25 | 2005-04-25 | Connector of strain measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2819175Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520651A (en) * | 2019-01-02 | 2019-03-26 | 北京强度环境研究所 | A kind of improved large space structure static(al) strain measurement system of two-wire system structure |
| CN111998803A (en) * | 2019-05-27 | 2020-11-27 | 昆山扬明光学有限公司 | Decentration instrument, lens manufacturing method and lens |
-
2005
- 2005-04-25 CN CN 200520017221 patent/CN2819175Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520651A (en) * | 2019-01-02 | 2019-03-26 | 北京强度环境研究所 | A kind of improved large space structure static(al) strain measurement system of two-wire system structure |
| CN111998803A (en) * | 2019-05-27 | 2020-11-27 | 昆山扬明光学有限公司 | Decentration instrument, lens manufacturing method and lens |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060920 Termination date: 20100425 |