CN206331088U - A kind of measuring head - Google Patents
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- CN206331088U CN206331088U CN201621476438.8U CN201621476438U CN206331088U CN 206331088 U CN206331088 U CN 206331088U CN 201621476438 U CN201621476438 U CN 201621476438U CN 206331088 U CN206331088 U CN 206331088U
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Abstract
The utility model provides a kind of measuring head.On the one hand, the measuring head that the utility model is provided includes：1st to n probe to be defined, and n test signal end, n are the integer more than or equal to 2；N n selects 1 switch, and each n selects 1 switch to gate end including control end, a conduction terminal and n；I-th of probe to be defined is connected to the conduction terminal that i-th of n selects 1 switch, and each n selects n of 1 switch to gate end and is connected to n test signal end, i=1,2 ..., n；Control unit, is connected to the control end that each n selects 1 switch, and described control unit is used to produce the gate control signal that each n selects 1 switch.Therefore, the technical scheme that the utility model is provided can solve the problem that the problem of ordering of the electric definition of measuring head and contact in the prior art fixes caused measuring head poor compatibility.
Description
【Technical field】
The present invention relates to technical field of image processing, more particularly to a kind of measuring head.
【Background technology】
At present, when consumable chip is connected with measuring head, each contact in consumable chip with measuring head each is undetermined
Adopted probe is connected, the electric definition of only each contact and consistent with the electric definition of the probe to be defined of the contact portion
When, the communication between consumable chip and measuring head could be realized.
During the utility model is realized, inventor has found that at least there are the following problems in the prior art：
In the prior art, the electric definition of each contact and the ordering of each contact are all different in different consumable chips
, therefore, the electric definition and the measuring head of the ordering of contact that one has fixation are difficult to compatible multiple with different
Electrically the consumable chip of the ordering of definition and contact, compatible poor, for this reason, it may be necessary to distinguish for different consumable chips
A measuring head is configured, manages trouble, also takes up inventory space.
【Utility model content】
In view of this, the utility model provides a kind of measuring head, determines to solve the electric of measuring head in the prior art
The problem of ordering of justice and contact fixes caused measuring head poor compatibility.
On the one hand, the utility model provides a kind of measuring head, and the measuring head is used to be written and read consumable chip behaviour
Make, the measuring head includes：
1st to n probe to be defined, and n test signal end, n are the integer more than or equal to 2；
N n selects 1 switch, and each n selects 1 switch to gate end including control end, a conduction terminal and n；
I-th of probe to be defined is connected to the conduction terminal that i-th of n selects 1 switch, and each n selects n of 1 switch to gate end point
Be not connected to n test signal end, i=1,2 ..., n；
Control unit, is connected to the control end that each n selects 1 switch, and described control unit selects 1 switch for producing each n
Gate control signal.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the n test
Signal end includes power end, clock signal terminal, earth terminal and data signal end, the n=4.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, each n selects 1 to open
Closing also includes decoder and n analog switch, in each n selects 1 switch, and conduction terminal is connected by the n analog switch respectively
N gating end is connected to, the input of the decoder selects the control end of 1 switch for n, and the output end of the decoder is connected to institute
State n analog switch.
Aspect as described above and any possible implementation, it is further provided a kind of implementation, the n selects 1 to open
Close as FPGA or CPLD.
A technical scheme in above-mentioned technical proposal has the advantages that：
The measuring head that the utility model is provided includes：1st to n probe to be defined, and n test signal end, n for more than
Integer equal to 2；N n selects 1 switch, and each n selects 1 switch to gate end including control end, a conduction terminal and n；Treat for i-th
Define probe and be connected to the conduction terminal that i-th of n selects 1 switch, each n selects n of 1 switch to gate end and is connected to n test
Signal end, i=1,2 ..., n；Control unit, is connected to the control end that each n selects 1 switch, and described control unit is used to produce often
Individual n selects the gate control signal of 1 switch.In the utility model, each measuring head can have n probes to be defined, meanwhile, each
Probe to be defined can select 1 switch to be respectively connected with n test signal end by multiple n, thus, by measuring head and consumptive material
When chip is connected, each probe to be defined can find a test signal by controlling n to select 1 to switch on-off in measuring head
End, this test signal end found can have identical electrically to define with the contact of consumable chip, and the two can be mutual
Match somebody with somebody, so that, each probe to be defined in measuring head is found in this way to be determined with the electric of each contact in consumable chip
The justice signal testing end consistent with the ordering of contact, and then, the measuring head that the utility model is provided just is adapted to
Multiple consumable chips of the different electrically orderings of definition and contact, compatibility is good；Also, it is based in the utility model,
Measuring head can be in consumable chip the electric definition of each contact and the ordering of contact determine each probe to be defined
Test signal end, it also avoid doing the situation of inconvenient operation caused by anti-measuring head direction, flexibility is higher.Therefore, originally
The ordering fixation that the technical scheme that utility model is provided solves the electric definition of measuring head and contact in the prior art is led
The problem of measuring head poor compatibility of cause.
【Brief description of the drawings】
In order to illustrate more clearly of the technical solution of the utility model, below by the accompanying drawing to be used needed for embodiment
It is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, general for this area
For logical technical staff, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of two kinds of consumable chips of the prior art；
Fig. 2 is 4 structural representations for selecting 1 switch in the utility model；
Fig. 3 is the structural representation for the measuring head that the utility model is provided.
【Embodiment】
In order to be better understood from technical scheme, the utility model is described in detail below in conjunction with the accompanying drawings.
It will be appreciated that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
The term used in the utility model is the purpose only merely for description specific embodiment, and is not intended to be limiting this
Invention." one kind ", " described " and "the" of singulative used in the utility model and appended claims also purport
Including most forms, unless context clearly shows that other implications.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, represent
There may be three kinds of relations, for example, A and/or B, can be represented：Individualism A, while there is A and B, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relation of "or" to typically represent forward-backward correlation object.
Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining " or " in response to detection ".Similarly, depending on linguistic context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when it is determined that when " or " in response to determine " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
In the prior art, measuring head has the electric definition of fixation and the ordering of contact, therefore, a measuring head difficulty
With the consumable chip of compatible multiple orderings with different electric definition and contact, therefore, when changing consumable chip,
The measuring head that certainly will more renew, could meet communication requirement.
For example, refer to Fig. 1, it is the structural representation of two kinds of consumable chips of the prior art, for as shown in Figure 1
Two kinds of chips, include 5 contacts in chip 1, this 5 contacts are respectively according to order from left to right：Data signal end
(DATA), power end (VCC), earth terminal (GND), clock signal terminal (CLK) and test lead (TEST).For as shown in Figure 1
Chip 1, it is necessary to which a kind of measuring head for possessing 5 probes to be defined is attached thereto, the probe to be defined in this measuring head
Electrically definition is also necessary for：DATA, VCC, GND, CLK and TEST；And the corresponding arrangement electrically defined of each probe to be defined
Order is also consistent with the ordering of the electric definition in chip 1, can realize the data between measuring head and consumable chip
Communication.Meanwhile, 5 contacts are also included in chip 2 as shown in Figure 1, this 5 contacts are distinguished according to order from left to right
For：CLK, VCC, TEST, DATA and GND.For chip 2 as shown in Figure 1, it is necessary to a kind of to possess 5 probes to be defined
Measuring head is attached thereto, and the electric definition of the probe to be defined in this measuring head is also necessary for：CLK, VCC, TEST, DATA and
GND；And the ordering of the corresponding ordering electrically defined of each probe to be defined also with the electric definition in chip 1
Unanimously, the data communication between measuring head and consumable chip can be realized.
In the prior art, a kind of defined with holding electrical can not be compatible such as Fig. 1 with the measuring head of the ordering of contact
Two kinds of shown consumable chips.
For above mentioned problem of the prior art, the utility model proposes measuring head realized based on following principle：This reality
In new, each probe to be defined in measuring head selects 1 switch to connect n test signal end by n, therefore, as long as will
Probe to be defined in measuring head is correctly connected with signalling channel, it becomes possible to ensure that the electric of each probe to be defined is determined in measuring head
It is adopted and consistent with the electric definition of the contact in the consumable chip that this probe to be defined is connected, so as to meet consumable chip and survey
Try the communication requirement of head.
Based on principles above, the utility model provides a kind of measuring head, and the measuring head includes：
1st to n probe to be defined, and n test signal end, n are the integer more than or equal to 2；
N n selects 1 switch, and each n selects 1 switch to gate end including control end, a conduction terminal and n；
I-th of probe to be defined is connected to the conduction terminal that i-th of n selects 1 switch, and each n selects n of 1 switch to gate end point
Be not connected to n test signal end, i=1,2 ..., n；
Control unit, is connected to the control end that each n selects 1 switch, and control unit is used to produce the choosing that each n selects 1 switch
Logical control signal.
It is understood that 1 switch is selected from n in the utility model, and it is n that n, which selects the number of 1 switch, with signal
The number of test lead is consistent, and consistent with the number of probe to be defined.So, each probe to be defined respectively with n signal
Test lead sets up connection, for one of those probe to be defined, when this n one gated in end gating end gating
When, this probe to be defined just connects 1 signal testing end of this gating end connection.
Specifically, in the utility model, the control unit in measuring head selects the control end of 1 switch to be connected with each n, control
N gate control signal is sent respectively to the control end that each n selects 1 switch by unit.
It is understood that when when electrically definition is different of each contact in consumable chip, control unit is sent to n
N selects n gate control signal of the control end of 1 switch different, to enable each probe to be defined to gate different choosings
Go side, so that, each probe to be defined corresponds to the test signal end of different electric definition.
During a concrete implementation, the measuring head can also include the m fixed spies defined with holding electrical
Pin, the utility model for m number without being particularly limited to.
In the utility model, n test signal end can preset the different electric definition of n kinds, and n number can be according to reality
Border needs to be preset, and the utility model is to this without being particularly limited to.
It is understood that the number at test signal end is consistent with the number of contacts of consumable chip.
For example, for having 4 contacts, and when being electrically defined as VCC, DATA, CLK, GND consumable chip of contact,
4 test signal ends can be preset in measuring head, this 4 signal testing ends are respectively：VCC、DATA、CLK、GND.
Or, and for example, for chip 1 as shown in Figure 1 and chip 2, have 5 contacts in the two consumable chips,
And the electric definition of contact is all：CLK, VCC, TEST, DATA and GND, can be in measuring head for both consumable chips
5 test signal ends are preset, the electric definition at this 5 test signal ends is respectively：CLK, VCC, TEST, DATA and GND.
In the utility model, form is implemented without being particularly limited to for what each n selected 1 switch.
During a concrete implementation, each n selects 1 switch can to include：Decoder and n analog switch；Such as
This, in each n selects 1 switch, conduction terminal is connected to n gating end by n analog switch respectively, and the input of decoder is
N selects the control end of 1 switch, and the output end of decoder is connected to n analog switch.
For example, refer to Fig. 2, it selects the structural representation of 1 switch for 4 in the utility model.As shown in Fig. 2
4 in the utility model select 1 switch to include：Decoder and 4 analog switches S1, S2, S3 and S4.It is short due to analog switch
Road resistance is small, and offresistance is big, and actual communication quality is not influenceed, is adapted to the communication of digital circuit.
Specifically, as shown in Fig. 2 this 4 analog switches each connect a gating end respectively, for example, analog switch S1
Connection gating end PIN1, analog switch S2 connections gating end PIN2, analog switch S3 connections gating end PIN3, analog switch S4 company
Selecting go side PIN4.On the other hand, the other end of this 4 analog switches is both connected to same conduction terminal, and this conduction terminal connects
Reception defines probe.During concrete implementation, gating end PIN1~PIN4 electric definition can be set as needed
Put, this is not repeated.
As shown in Fig. 24 select 1 switch to include a decoder, the input of the decoder can connect control unit
Output end, decoder can determine the break-make of above-mentioned 4 analog switches according to the gate control signal received.
As shown in Figure 24, which are selected, has two inputs in 1 switch, respectively input 1 and input 2.It is understood that
This is a kind of concrete implementation mode, in actual application, and 4 select the number of the input of 1 switch can be according to reality
Need to preset.
And, the break-make relation between the gate control signal and above-mentioned 4 analog switches that receive can also be according to reality
Border needs to be preset, and the utility model is to this without being particularly limited to., can be with for example, select 1 switch for as shown in Figure 24
According to input 1 and the syntagmatic of the low and high level of input 2, produce 4 kinds of passage annexations to determine above-mentioned analog switch S1
~S2 closure or disconnection.Such as, when can preset 1 input high level of input and 2 input low level of input, analog switch S1 is closed
Close, other analog switches disconnect；Thus, when inputted in the gate control signal that decoder is received 1 input high level and input 2
During input low level, it is possible to control analog switch S1 to close, other analog switches disconnect, and so, this probe to be defined is just
Gating end PIN1 can be connected to by the S1 of closure, the electric definition of this probe to be defined is exactly PIN1 default electrically fixed
Justice.
Based on this, the utility model provides a kind of structure of specific measuring head.Fig. 3 is refer to, it is the utility model
The structural representation of the measuring head of offer.Measuring head as shown in Figure 3 can be with the chip 1 in Fig. 3 shown in right side, chip
2 ... chip X are attached, wherein, X is the integer more than 1.It is understood that having different in this X consumable chip
Electric definition of order.
As shown in figure 3, having corresponding to consumable chip also includes 4 probes to be defined in 4 contacts, measuring head, each treat
A contact in consumable chip can be connected to by defining probe.As shown in figure 3, probe 1 to be defined corresponds in chip X
1st contact, the 2nd contact that probe 2 to be defined corresponds in chip X, by that analogy.
As shown in figure 3, each probe to be defined selects 1 switch to be connected to 4 test letters by one as shown in Figure 24
Number end, this 4 signal testing ends are respectively VCC, DATA, CLK, GND.Carried out specifically by taking the probe to be defined 1 in Fig. 3 as an example
Bright, probe 1 to be defined is connected to the 1st contact in consumable chip, this contact be electrically defined as VCC, DATA, CLK,
One in GND, now, probe 1 to be defined also by 4 select 4 test signal end VCC that 1 switch is connected in measuring head,
DATA, CLK, GND, as long as 4 select an analog switch in 1 switch to close, probe 1 to be defined just possesses the simulation of this closure
Switch the electric definition at corresponding test signal end.For example, when S11 is closed, probe 1 to be defined corresponds to VCC, now, treats
The electric definition for defining probe 1 is exactly VCC.
As shown in figure 3, in the utility model, a control unit is also included in measuring head, this control unit is connected to
Each 4 select the input of the decoder of 1 switch.Selected as shown in figure 3, control unit is sent to two inputs of each decoder
Logical control signal.
During concrete implementation, it can be field programmable gate array (Field- that n, which selects 1 switch,
Programmable Gate Array, FPGA) or CPLD (Complex Programmable Logic
Device, CPLD), by connection and control circuit inside Code Design generating device, compatibility is high, flexibly and easily, for example, working as
When n is 4,1 switch can be selected using the 4 of model PI5V331.
During a concrete implementation, the method for work of measuring head is：Control unit first counts all energy compatibilities
The contact sequential combination of chip, the corresponding multiple n of analysis select 1 switching gate control signal, and these chips that then prestore are corresponding
Input the combination of 1+ inputs 2；When measuring head works, under the control of the control unit, measuring head can be tasted with time-sharing polling
The combination of the different gate control signal of examination, if under the combination control of certain gate control signal, measuring head can not be just with chip
Normal open is believed, then shows that the combination is not suitable for current chip, control unit switches another combination and continues to attempt to lead to chip
Letter；If on the contrary, measuring head can be with proper communication with chip, then it represents that this kind combination is the contact for corresponding to the chip, so that,
The type of the chip is may determine that, takes the communication protocol suitable for the chip to be communicated.It can be seen that measuring head can be with
Correct chip channel control planning is automatically selected, so that so that the electric definition of probe to be defined is determined with electric in measuring head
It is consistent that the right way of conduct defines direction to the electric definition with consumable chip and electrically.Thus, measuring head compatible multiple can have
The consumable chip of different electrically definition of order, improves the compatibility of measuring head, reduces the number of measuring head.Also, this reality
In measuring head with new offer, the passage of each probe to be defined is connected with internal circuit, and this using actual signal with being entered
The no difference of row communication, with higher stability.
The technical solution of the utility model has the advantages that：
The measuring head that the utility model is provided includes：1st to n probe to be defined, and n test signal end, n for more than
Integer equal to 2；N n selects 1 switch, and each n selects 1 switch to gate end including control end, a conduction terminal and n；Treat for i-th
Define probe and be connected to the conduction terminal that i-th of n selects 1 switch, each n selects n of 1 switch to gate end and is connected to n test
Signal end, i=1,2 ..., n；Control unit, is connected to the control end that each n selects 1 switch, and described control unit is used to produce often
Individual n selects the gate control signal of 1 switch.In the utility model, each measuring head can have n probes to be defined, meanwhile, each
Probe to be defined can select 1 switch to be respectively connected with n test signal end by multiple n, thus, by measuring head and consumptive material
When chip is connected, each probe to be defined can select 1 to switch on-off one test signal of connection by controlling n in measuring head
End, this test signal end can have identical electrically to define with the contact of consumable chip, and the two can be mutually matched, from
And, each probe to be defined in measuring head finds the electric definition with each contact in consumable chip and touched in this way
The consistent signal testing end of ordering of point, and then, the measuring head that the utility model is provided just is adapted to different electricity
Gas defines multiple consumable chips with the ordering of contact, and compatibility is good；Also, it is based in the utility model, measuring head
The electric definition of each contact that can be in consumable chip and the ordering of contact determine the test of each probe to be defined
Signal end, it also avoid doing the situation of inconvenient operation caused by anti-measuring head direction, and flexibility is higher.Therefore, this practicality is new
The ordering that the technical scheme that type is provided solves the electric definition of measuring head and contact in the prior art fixes caused survey
The problem of trying head poor compatibility.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In several embodiments provided by the present invention, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Divide, only a kind of division of logic function there can be other dividing mode when actually realizing, for example, multiple units or group
Part can combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown
Or the coupling each other discussed or direct-coupling or communication connection can be by some interfaces, device or unit it is indirect
Coupling is communicated to connect, and can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer
Device (can be personal computer, server, or network equipment etc.) or processor (Processor) perform the present invention each
The part steps of embodiment methods described.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
Can be with the medium of store program codes.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, all essences in the present invention
God is with principle, and any modifications, equivalent substitutions and improvements done etc. should be included within the scope of protection of the invention.
Claims (4)
1. a kind of measuring head, it is characterised in that the measuring head is used to be written and read consumable chip operation, including：
1st to n probe to be defined, and n test signal end, n are the integer more than or equal to 2；
N n selects 1 switch, and each n selects 1 switch to gate end including control end, a conduction terminal and n；
I-th of probe to be defined is connected to the conduction terminal that i-th of n selects 1 switch, and each n selects n gating end of 1 switch to connect respectively
Be connected to n test signal end, i=1,2 ..., n；
Control unit, is connected to the control end that each n selects 1 switch, and described control unit is used to produce the choosing that each n selects 1 switch
Logical control signal.
2. measuring head according to claim 1, it is characterised in that
The n test signal end includes power end, clock signal terminal, earth terminal and data signal end, the n=4.
3. measuring head according to claim 1 or 2, it is characterised in that
Each n selects 1 switch also including decoder and n analog switch, and in each n selects 1 switch, conduction terminal is respectively by described
N analog switch is connected to n gating end, and the input of the decoder selects the control end of 1 switch for n, the decoder
Output end is connected to the n analog switch.
4. measuring head according to claim 1 or 2, it is characterised in that
It is FPGA or CPLD that the n, which selects 1 switch,.
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| CN201621476438.8U CN206331088U (en) | 2016-12-30 | 2016-12-30 | A kind of measuring head |
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| CN201621476438.8U CN206331088U (en) | 2016-12-30 | 2016-12-30 | A kind of measuring head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239575A (en) * | 2018-08-01 | 2019-01-18 | 上海移远通信技术股份有限公司 | A kind of detection device, detection method and automated detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239575A (en) * | 2018-08-01 | 2019-01-18 | 上海移远通信技术股份有限公司 | A kind of detection device, detection method and automated detection system |
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Address after: 519075 area B, 7th floor, building 04, No. 63, Mingzhu North Road, Qianshan, Zhuhai, Guangdong Patentee after: Jihai Microelectronics Co.,Ltd. Address before: 519075 area B, 7th floor, building 04, No. 63, Mingzhu North Road, Qianshan, Zhuhai, Guangdong Patentee before: APEX MICROELECTRONICS Co.,Ltd. |
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