CN207717286U - Calibrate driving circuit and calibration system - Google Patents
Calibrate driving circuit and calibration system Download PDFInfo
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- CN207717286U CN207717286U CN201820104842.5U CN201820104842U CN207717286U CN 207717286 U CN207717286 U CN 207717286U CN 201820104842 U CN201820104842 U CN 201820104842U CN 207717286 U CN207717286 U CN 207717286U
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Abstract
Calibration driving circuit provided by the utility model and calibration system, are related to collimation technique field.Wherein, calibration driving circuit includes：The master controller that the data terminal of output end and each device to be calibrated is separately connected, the slave controller that input terminal is connect with the output end of the master controller, control terminal is connect with described from the output end of controller respectively, hot end is connect with power supply respectively, the first switch device that cold end is connect with the power end of each device to be calibrated respectively, the cold end of any one first switch device is connect with the power end of multiple devices to be calibrated respectively, control terminal is connect with described from the output end of controller respectively, hot end is connect with the ground terminal of each device to be calibrated respectively, the second switch device of cold end ground connection, the hot end of any one second switch device is connect with the ground terminal of multiple devices to be calibrated respectively.By above-mentioned setting, the problem of complex circuit existing in the prior art can be improved.
Description
Technical field
The utility model is related to collimation technique fields, in particular to a kind of calibration driving circuit and calibration system.
Background technology
With the continuous expansion of monitoring application, that realizes the various sensors of monitoring has obtained more and more concerns.Its
In, the use of sensor is calibrated, to avoid due to causing the data reliability of detection is lower to ask there are error
Topic.Inventor it has been investigated that, the problem of there is complex circuits in existing collimation technique.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of calibration driving circuit and calibration system, it is existing to improve
There is the problem of complex circuit present in technology.
To achieve the above object, the utility model embodiment adopts the following technical scheme that：
A kind of calibration driving circuit, including：
Master controller, the output end of the master controller and the data terminal of each device to be calibrated are separately connected, with to respectively waiting for school
Quasi- device outputting data signals；
From controller, should be connect from the input terminal of controller with the output end of the master controller, to receive the master control
The control signal of device output processed；
First switch device, the first switch device be it is multiple, and control terminal respectively with the output end from controller
Connection, hot end is connect with power supply respectively, cold end is connect with the power end of each device to be calibrated respectively, any one the
The cold end of one switching device is connect with the power end of multiple devices to be calibrated respectively；
Second switch device, the second switch device be it is multiple, and control terminal respectively with the output end from controller
Connection, hot end are connect with the ground terminal of each device to be calibrated respectively, cold end is grounded, any one second switch device
Hot end connect respectively with the ground terminal of multiple devices to be calibrated；
Wherein, any one device to be calibrated, the first switch device and second switch device being connect with the device to be calibrated
When part is connected according to the control instruction that the control signal from controller based on reception generates, power supply is supplied to the device to be calibrated
Electricity is so that the device to be calibrated works according to the data-signal of reception.
In the utility model embodiment preferably selects, in above-mentioned calibration driving circuit, multiple described to be calibrated
When device includes multirow device to be calibrated and multiple row device to be calibrated, the power end of each device to be calibrated of same row respectively with together
The cold end of one first switch device connects, with a line each device to be calibrated ground terminal respectively with same second switch device
The hot end of part connects.
In the utility model embodiment preferably selects, in above-mentioned calibration driving circuit, described from controller is more
It is a, it is each it is described connect respectively with the output end of the master controller from the input terminal of controller, output end is opened with each first respectively
The control terminal for closing device is connected with the control terminal of each second switch device.
In the utility model embodiment preferably selects, in above-mentioned calibration driving circuit, the first switch device
It is mos field effect transistor, the metal oxide semiconductor field effect transistor with the second switch device
Pipe includes grid, source electrode and drain electrode；
Wherein, the grid is as control terminal, and one of described source electrode and drain electrode is as hot end, another work
For cold end.
In the utility model embodiment preferably selects, in above-mentioned calibration driving circuit, the first switch device
For P type metal oxide semiconductor field-effect transistor, the grid conduct of the P type metal oxide semiconductor field-effect transistor
Control terminal, source electrode are used as cold end as hot end, drain electrode；
The second switch device is N-type mos field effect transistor, which partly leads
The grid of body field-effect transistor is as control terminal, drain electrode as hot end, source electrode as cold end.
In the utility model embodiment preferably selects, in above-mentioned calibration driving circuit, the first switch device
It is triode with the second switch device, which includes base stage, collector and emitter；
Wherein, the base stage is as control terminal, one of the collector and the emitter as hot end,
Another is as cold end.
In the utility model embodiment preferably selects, in above-mentioned calibration driving circuit, the master controller and institute
It is microcontroller to state from controller.
On the basis of the above, the utility model embodiment additionally provides a kind of calibration system, including device to be calibrated and school
Quasi- driving circuit, the calibration driving circuit include：
Master controller, the output end of the master controller and the data terminal of each device to be calibrated are separately connected, with to respectively waiting for school
Quasi- device outputting data signals；
From controller, should be connect from the input terminal of controller with the output end of the master controller, to receive the master control
The control signal of device output processed；
First switch device, the first switch device be it is multiple, and control terminal respectively with the output end from controller
Connection, hot end is connect with power supply respectively, cold end is connect with the power end of each device to be calibrated respectively, any one the
The cold end of one switching device is connect with the power end of multiple devices to be calibrated respectively；
Second switch device, the second switch device be it is multiple, and control terminal respectively with the output end from controller
Connection, hot end are connect with the ground terminal of each device to be calibrated respectively, cold end is grounded, any one second switch device
Hot end connect respectively with the ground terminal of multiple devices to be calibrated；
Wherein, any one device to be calibrated, the first switch device and second switch device being connect with the device to be calibrated
When part is connected according to the control instruction that the control signal from controller based on reception generates, power supply is supplied to the device to be calibrated
Electricity is so that the device to be calibrated works according to the data-signal of reception.
In the utility model embodiment preferably selects, in above-mentioned calibration system, multiple device packets to be calibrated
Include multirow device to be calibrated and multiple row device to be calibrated；
Wherein, the power end of each device to be calibrated of same row connects with the cold end of same first switch device respectively
It connects, the ground terminal with each device to be calibrated of a line is connect with the hot end of same second switch device respectively.
In the utility model embodiment preferably selects, in above-mentioned calibration system, the device to be calibrated is pressure
Sensor, the calibration system further include pressure vessel and temperature-controlled cabinet；
Wherein, the pressure vessel is set in the temperature-controlled cabinet, so as to be set to the pressure of the pressure vessel
The different pressures that sensor can be applied based on different temperature environment induction pressure containers.
Calibration driving circuit provided by the utility model and calibration system, by the way that first switch device and second switch is arranged
Device is equipped with, and the cold end of any one first switch device connects with the power end of multiple devices to be calibrated respectively
Connect, the hot end of any one second switch device is connect with the ground terminal of multiple devices to be calibrated respectively, with co- controlling
Whether power supply is powered each device to be calibrated, can to avoid in existing collimation technique because needing to each device to be calibrated
The problem for being controlled separately through a switching device and causing the usage quantity of switching device excessive, and then because of switching device
The problem of connection line between controller excessively leads to complex circuit.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
Fig. 1 is the structural schematic diagram for the calibration system that the utility model embodiment provides.
Fig. 2 is the distribution schematic diagram for each device to be calibrated that the utility model embodiment provides.
Fig. 3 is the application block diagram for the calibration driving circuit that the utility model embodiment provides.
Fig. 4 is the application circuit schematic diagram for the calibration driving circuit that the utility model embodiment provides.
Fig. 5 is the another application circuit diagram for the calibration driving circuit that the utility model embodiment provides.
Icon：10- calibration systems；100- calibrates driving circuit；110- master controllers；130- is from controller；150- first
Switching device；Q1-P type metal oxide semiconductor field-effect transistors；Q3-NPN type triodes；170- second switch devices；
Q2-N type metal oxide semiconductor field-effect transistors；Q4-PNP type triodes；200- devices to be calibrated.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the foregoing description of the utility model, it should be noted that the orientation of the instructions such as term " side ", " other side "
Or position relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated dress
It sets or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second " etc. are only used for distinguishing description, it is not understood to indicate or imply relatively important
Property.
As shown in Figure 1, the utility model embodiment provides a kind of calibration system 10, including device to be calibrated 200 and school
Quasi- driving circuit 100.Wherein, the calibration driving circuit 100 is connect with the device 200 to be calibrated, whether to control power supply
It is powered to the device 200 to be calibrated, and device to be calibrated is controlled when power supply is powered to the device 200 to be calibrated
The working condition of part 200.
Wherein, the device to be calibrated 200 is multiple, and is connect respectively with the calibration driving circuit 100, so that described
Calibration driving circuit 100 can control each device 200 to be calibrated respectively.Also, for ease of to multiple devices to be calibrated
Part 200 carries out management and control, and in the present embodiment, in conjunction with Fig. 2, multiple devices 200 to be calibrated include multirow device 200 to be calibrated
With multiple row device 200 to be calibrated.
Optionally, the layout of multiple row device 200 to be calibrated and multirow device 200 to be calibrated is unrestricted, can be according to reality
Border demand is configured.In the present embodiment, to ensure the terseness of connection, multiple devices 200 to be calibrated are in square
Battle array distribution.
Optionally, the concrete type of the device to be calibrated 200 is unrestricted, may include, but be not limited to pressure sensing
Device, velocity sensor, light intensity sensor, sound transducer, humidity sensor etc..In the present embodiment, the device to be calibrated
200 can be pressure sensor.
Wherein, it is the calibration for realizing to the pressure sensor, in the present embodiment, the calibration system 10 can also wrap
Include pressure vessel and temperature-controlled cabinet.The pressure sensor is set to the pressure vessel, and the pressure vessel is set to institute
It states in temperature-controlled cabinet, is pressed so that the pressure sensor for being set to the pressure vessel can be incuded based on different temperature environments
The different pressures that force container applies.Also, the pressure sensor induction pressure generates pressure signal and is sent to calibrator (-ter) unit, institute
Calibration calculating can be carried out to obtain calibration parameter based on parameter preset by stating calibrator (-ter) unit, and be sent to corresponding pressure sensor
To complete calibration.
In conjunction with Fig. 3, the present embodiment also provides a kind of calibration driving circuit 100 can be applied to above-mentioned calibration system 10.Its
In, the calibration driving circuit 100 includes master controller 110, from controller 130, first switch device 150 and second switch
Device 170.
Further, in the present embodiment, the data of the output end of the master controller 110 and each device 200 to be calibrated
End is separately connected, with to each 200 outputting data signals of device to be calibrated.The input terminal from controller 130 and the master control
The output end of device 110 processed connects, to receive the control signal of the output of the master controller 110.The first switch device 150 is
It is multiple, and control terminal is connect with the output end from controller 130 respectively, hot end is connect with power supply respectively, low potential
End is connect with the power end of each device 200 to be calibrated respectively, the cold end of any one first switch device 150 respectively with it is more
The power end of a device to be calibrated 200 connects.The second switch device 170 is multiple, and control terminal is respectively with described from control
The output end connection of device 130 processed, hot end are connect with the ground terminal of each device 200 to be calibrated respectively, cold end is grounded, and are appointed
The hot end of one second switch device 170 of meaning is connect with the ground terminal of multiple devices 200 to be calibrated respectively.
Wherein, for any one device 200 to be calibrated, the first switch device 150 being connect with the device 200 to be calibrated
When being connected according to the control instruction that the control signal from controller 130 based on reception generates with second switch device 170, electricity
Source powers to the device 200 to be calibrated so that the device 200 to be calibrated works according to the data-signal of reception.
Optionally, the master controller 110 and the type from controller 130 are unrestricted, for example, it may be monolithic
Machine or digital signal processor.In the present embodiment, the master controller 110 is identical with the type from controller 130, all
For microcontroller.
Wherein, the concrete model of microcontroller is unrestricted, for example, it may be the models such as 74HC595D, MSP430.In this reality
It applies in example, the model of microcontroller is preferably 74HC595D.
Optionally, the type of the first switch device 150 and the second switch device 170 is unrestricted, as long as energy
The control for enough realizing connecting and disconnecting of the circuit, for example, may include, but is not limited to triode, metal oxide semiconductor field-effect
Transistor, thyristor, silicon carbide transistor, gallium nitride transistor, high electron mobility transistor and insulated gate bipolar are brilliant
Body pipe etc. has the electrical equipment of switching characteristic.
Wherein, in a kind of example, the preferably described first switch device 150 and the second switch device 170 are metal
Oxide semiconductor field effect crystal.The mos field effect transistor includes grid, source electrode and drain electrode, described
Grid as control terminal, one of described source electrode and drain electrode as hot end, another is as cold end.
The mos field effect transistor either N-type (such as N-MOS pipes), can also be p-type (such as
P-MOS is managed).In the present embodiment, in conjunction with Fig. 4, the first switch device 150 is P type metal oxide semiconductor field-effect
Transistor Q1, the second switch device 170 are N-type mos field effect transistor Q2.
Wherein, the grid of the P type metal oxide semiconductor field-effect transistor Q1 as control terminal with it is described from control
The output end connection of device 130 processed, drain electrode is connect as hot end with power supply, source electrode is as cold end and the device to be calibrated
The power end of part 200 connects.The grid of the N-type mos field effect transistor Q2 as control terminal with it is described
It is connect from the connection of the output end of controller 130, drain electrode with the ground terminal of device 200 to be calibrated as hot end, source electrode conduct
Cold end is grounded.
In another example, the first switch device 150 and the second switch device 170 can be triode,
The triode includes base stage, collector and emitter.The base stage as control terminal, the collector and the emitter its
In one as hot end, another is as cold end.
The triode can also be positive-negative-positive either NPN type.In the present embodiment, it is opened in conjunction with Fig. 5, described first
Pass device 150 is NPN type triode Q3, and the second switch device 170 is PNP type triode Q4.
Wherein, the base stage of the NPN type triode Q3 connect with the output end from controller 130 as control terminal,
Collector is connect as hot end with power supply, emitter connects as the power end of cold end and the device 200 to be calibrated
It connects.The base stage of the PNP type triode Q4 connect as control terminal with the output end from controller 130, emitter conduct
Hot end is connect with the ground terminal of device 200 to be calibrated, collector is grounded as cold end.
Further, for ease of described being waited for each by the first switch device 150 and the second switch device 170
Calibration device 200 carries out management and control, and to simplify connection, in the present embodiment, multiple devices 200 to be calibrated include multirow
Device 200 to be calibrated and multiple row device 200 to be calibrated.
Wherein, the power end of each device 200 to be calibrated of the same row low potential with same first switch device 150 respectively
End connection, the ground terminal with each device 200 to be calibrated of a line connect with the hot end of same second switch device 170 respectively
It connects, to realize the control for completing to treat the power supply of calibration device 200 by small number of switching device.
Further, described from controller to guarantee to be powered management and control to more device to be calibrated 200 simultaneously
130 can be multiple, wherein each input terminal from controller 130 connects with the output end of the master controller 110 respectively
It connects, output end is connect with the control terminal of the control terminal of each first switch device 150 and each second switch device 170 respectively.
In conclusion calibration driving circuit 100 provided by the utility model and calibration system 10, by the way that first switch is arranged
Device 150 and second switch device 170 are equipped with, and the cold end of any one first switch device 150 respectively with
The power end connection of multiple devices to be calibrated 200, the hot end of any one second switch device 170 wait for school with multiple respectively
Whether the ground terminal of quasi- device 200 connects, be powered to each device 200 to be calibrated with co- controlling power supply, can be to avoid existing
Have in collimation technique because needing the due to of being controlled separately through a switching device each device 200 to be calibrated to cause to switch
The excessive problem of the usage quantity of device, and then cause circuit multiple because the connection line between switching device and controller is excessive
Miscellaneous problem.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " connection " should be done extensively
Reason and good sense solution may be a detachable connection for example, it may be being fixedly connected, or be integrally connected；Can be mechanical connection,
It can be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the company inside two elements
It is logical.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of calibration driving circuit, which is characterized in that including：
Master controller, the output end of the master controller and the data terminal of each device to be calibrated are separately connected, with to each device to be calibrated
Part outputting data signals；
From controller, should be connect from the input terminal of controller with the output end of the master controller, to receive the master controller
The control signal of output；
First switch device, the first switch device be it is multiple, and control terminal respectively with it is described connect from the output end of controller,
Hot end is connect with power supply respectively, cold end is connect with the power end of each device to be calibrated respectively, any one first is opened
The cold end for closing device is connect with the power end of multiple devices to be calibrated respectively；
Second switch device, the second switch device be it is multiple, and control terminal respectively with it is described connect from the output end of controller,
Hot end is connect with the ground terminal of each device to be calibrated respectively, cold end is grounded, the height of any one second switch device
Potential end is connect with the ground terminal of multiple devices to be calibrated respectively；
Wherein, any one device to be calibrated, the first switch device being connect with the device to be calibrated and second switch device root
When the control instruction conducting generated according to the control signal from controller based on reception, power supply to device to be calibrated power supply with
The device to be calibrated is set to be worked according to the data-signal of reception.
2. calibration driving circuit according to claim 1, which is characterized in that in multiple devices to be calibrated include multirow
When device to be calibrated and multiple row device to be calibrated, the power end of each device to be calibrated of same row respectively with same first switch device
The cold end of part connects, with the ground terminal hot end with same second switch device respectively of each device to be calibrated of a line
Connection.
3. calibration driving circuit according to claim 1 or 2, which is characterized in that it is described from controller be it is multiple, it is each described
It is connect respectively with the output end of the master controller from the input terminal of controller, the output end control with each first switch device respectively
End processed is connected with the control terminal of each second switch device.
4. calibration driving circuit according to claim 3, which is characterized in that the first switch device and described second is opened
Pass device be mos field effect transistor, the mos field effect transistor include grid,
Source electrode and drain electrode；
Wherein, the grid is as control terminal, one of described source electrode and drain electrode as hot end, another is as low
Potential end.
5. calibration driving circuit according to claim 4, which is characterized in that the first switch device is p-type metal oxygen
Compound semiconductor field effect transistor, the grid of the P type metal oxide semiconductor field-effect transistor is as control terminal, source electrode
It is used as cold end as hot end, drain electrode；
The second switch device is N-type mos field effect transistor, the N-type MOS field
The grid of effect transistor is as control terminal, drain electrode as hot end, source electrode as cold end.
6. calibration driving circuit according to claim 3, which is characterized in that the first switch device and described second is opened
Pass device is triode, which includes base stage, collector and emitter；
Wherein, the base stage is as control terminal, and one of the collector and the emitter are as hot end, another
It is a to be used as cold end.
7. calibration driving circuit according to claim 3, which is characterized in that the master controller and described be from controller
Microcontroller.
8. a kind of calibration system, which is characterized in that including device to be calibrated and calibration driving circuit, the calibration driving circuit packet
It includes：
Master controller, the output end of the master controller and the data terminal of each device to be calibrated are separately connected, with to each device to be calibrated
Part outputting data signals；
From controller, should be connect from the input terminal of controller with the output end of the master controller, to receive the master controller
The control signal of output；
First switch device, the first switch device be it is multiple, and control terminal respectively with it is described connect from the output end of controller,
Hot end is connect with power supply respectively, cold end is connect with the power end of each device to be calibrated respectively, any one first is opened
The cold end for closing device is connect with the power end of multiple devices to be calibrated respectively；
Second switch device, the second switch device be it is multiple, and control terminal respectively with it is described connect from the output end of controller,
Hot end is connect with the ground terminal of each device to be calibrated respectively, cold end is grounded, the height of any one second switch device
Potential end is connect with the ground terminal of multiple devices to be calibrated respectively；
Wherein, any one device to be calibrated, the first switch device being connect with the device to be calibrated and second switch device root
When the control instruction conducting generated according to the control signal from controller based on reception, power supply to device to be calibrated power supply with
The device to be calibrated is set to be worked according to the data-signal of reception.
9. calibration system according to claim 8, which is characterized in that multiple devices to be calibrated include that multirow is to be calibrated
Device and multiple row device to be calibrated；
Wherein, the power end of each device to be calibrated of same row is connect with the cold end of same first switch device respectively, together
The ground terminal of each device to be calibrated of a line is connect with the hot end of same second switch device respectively.
10. calibration system according to claim 8 or claim 9, which is characterized in that the device to be calibrated is pressure sensor,
The calibration system further includes pressure vessel and temperature-controlled cabinet；
Wherein, the pressure vessel is set in the temperature-controlled cabinet, so as to be set to the pressure sensing of the pressure vessel
The different pressures that device can be applied based on different temperature environment induction pressure containers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104842.5U CN207717286U (en) | 2018-01-22 | 2018-01-22 | Calibrate driving circuit and calibration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820104842.5U CN207717286U (en) | 2018-01-22 | 2018-01-22 | Calibrate driving circuit and calibration system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844677A (en) * | 2018-08-31 | 2018-11-20 | 无锡市瑞丰计量科技有限公司 | A kind of force snesor calibrating installation |
| CN109992036A (en) * | 2019-04-28 | 2019-07-09 | 宁波琻捷电子科技有限公司 | Using the chip and electronic equipment of LDO circuit |
-
2018
- 2018-01-22 CN CN201820104842.5U patent/CN207717286U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844677A (en) * | 2018-08-31 | 2018-11-20 | 无锡市瑞丰计量科技有限公司 | A kind of force snesor calibrating installation |
| CN109992036A (en) * | 2019-04-28 | 2019-07-09 | 宁波琻捷电子科技有限公司 | Using the chip and electronic equipment of LDO circuit |
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Address after: Room 101, floor 10, building B, Chuangzhi building, No. 17, Xinghuo Road, Jiangbei new district, Nanjing, Jiangsu Province, 210032 Patentee after: Nanjing yingruichuang Electronic Technology Co., Ltd Address before: 315000 room 262, Binhai four road, Hangzhou Bay New District, Ningbo, Zhejiang, 312-07 Patentee before: Ningbo Jin Jie Electronic Technology Co., Ltd. |
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