CN206292252U - A kind of quartz digital flexibility acceleration transducer - Google Patents
A kind of quartz digital flexibility acceleration transducer Download PDFInfo
- Publication number
- CN206292252U CN206292252U CN201621433581.9U CN201621433581U CN206292252U CN 206292252 U CN206292252 U CN 206292252U CN 201621433581 U CN201621433581 U CN 201621433581U CN 206292252 U CN206292252 U CN 206292252U
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- digital
- integrated circuit
- acceleration transducer
- quartz
- hydrid integrated
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Abstract
The utility model discloses a kind of quartz digital flexibility acceleration transducer.The sensor includes gauge outfit and hydrid integrated circuit.Wherein, gauge outfit is attached with hydrid integrated circuit using many lines；Gauge outfit is encapsulated in housing with hydrid integrated circuit.The encapsulating structure of hydrid integrated circuit is made up of many pins；Many pins are respectively analog signal output, torque self-inspection end, the DC supply input of -12V~-15V, the DC supply input of+12V~+15V, ground wire, self-inspection end, the first digital output end and the second digital output end.There is the functional unit for converting analog signals into data signal in the hydrid integrated circuit, and only need to change its installation positioning and output port, then its digital output port is directly led out, it is possible to direct output digit signals.
Description
Technical field
The utility model is related to a kind of acceleration transducer, more particularly to a kind of output result is the digital of data signal
Quartz flexibility acceleration sensor.
Background technology
Quartz flexibility acceleration sensor is one of main element of inertial navigation system, is widely used in space flight, boat
The fields such as the navigational guidance and control of empty, navigation and armament systems.In the prior art, most of quartz flexible acceleration sensings
Device is all that the extraneous acceleration that will be sensed is converted into analog signal externally output, and external system needs collection is numeral
Signal.
In order to solve the above problems, one is provided in the Chinese utility model of Patent No. ZL 200920230361.X
Plant digital accelerometer.It includes shell, pin, gauge outfit, servo circuit and analog to digital conversion circuit.Wherein, gauge outfit, servo circuit
It is encapsulated in shell with analog to digital conversion circuit, the output end of gauge outfit is connected with the input of servo circuit, the output of servo circuit
End is connected with the input of analog to digital conversion circuit, and the output end of analog to digital conversion circuit is connected with pin.The digital accelerometer
It is output as digital quantity.
But, above-mentioned digital accelerometer uses electric current/frequency type analog to digital conversion circuit, and the data signal of output can not be straight
Connect and pass to navigational computer, in addition it is also necessary to be transferred to navigation after data signal is processed by signal processing circuit again and calculate
Machine carries out navigation calculating.So, above-mentioned digital accelerometer meeting of being possible to during being connected with external signal process circuit
Disturbed by external environment, so as to influence the laser propagation effect of data signal.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of quartz digital flexibility acceleration transducer.
To realize above-mentioned purpose, the utility model uses following technical schemes：
A kind of quartz digital flexibility acceleration transducer, including gauge outfit and hydrid integrated circuit, the gauge outfit with it is described
Hydrid integrated circuit is attached using many lines；Wherein, the encapsulating structure of the hydrid integrated circuit is by many pin structures
Into；The many pins be respectively analog signal output, torque self-inspection end, the DC supply input of -12V~-15V ,+
The DC supply input of 12V~+15V, ground wire, self-inspection end, the first digital output end and the second digital output end.
Wherein more preferably, the hydrid integrated circuit includes analog to digital conversion circuit and single-chip microcomputer, analog-digital conversion circuit as described
It is attached by wire with the single-chip microcomputer.
Wherein more preferably, the hydrid integrated circuit is provided with multiple pads.
Wherein more preferably, the multiple pad is connected with one end of many lines, the other end of many lines and institute
Many binding posts for stating gauge outfit are connected.
Wherein more preferably, the multiple pad is respectively negative terminals (C-), the positive pole of differential capacitor of differential capacitor
Terminals (C+), torquer positive terminal, torquer negative terminals, ground wire terminals.
Wherein more preferably, many binding posts positive pole and negative pole, electromagnetic torque device respectively with differential capacitance sensor be just
Pole is connected with negative pole and ground wire.
Wherein more preferably, the analog signal output is connected with analog to digital conversion circuit, first digital output end and
Second digital output end is connected with single-chip microcomputer.
Wherein more preferably, the line is silver-plated bare copper wire.
Wherein more preferably, the gauge outfit is encapsulated in housing with the hydrid integrated circuit, and the housing is the gold of closing
Metal elements.
In quartz digital flexibility acceleration transducer provided by the utility model, hydrid integrated circuit increased simulation
Signal is converted into the functional unit of data signal, and only needs to change its installation positioning and output port, then its numeral is defeated
Exit port directly leads out, it is possible to direct output digit signals.Therefore, the work of quartz digital flexibility acceleration transducer
Efficiency is very high.
Brief description of the drawings
Fig. 1 is the operation principle schematic diagram of quartz flexibility acceleration sensor；
Fig. 2A is the front view of quartz flexibility acceleration sensor in the prior art；
Fig. 2 B are the side views of quartz flexibility acceleration sensor in the prior art；
During Fig. 3 A are the utility model, the front view of quartz flexibility acceleration sensor；
During Fig. 3 B are the utility model, the side view of quartz flexibility acceleration sensor.
Specific embodiment
Technology contents of the present utility model are described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Quartz digital flexibility acceleration transducer provided by the utility model, by gauge outfit and hydrid integrated circuit group
Into.Wherein, gauge outfit is attached with hydrid integrated circuit using many silver-plated bare copper wires.Hydrid integrated circuit includes analog-to-digital conversion
Circuit and single-chip microcomputer, analog to digital conversion circuit and single-chip microcomputer are attached by wire.Gauge outfit is encapsulated in shell with hydrid integrated circuit
In vivo, the housing is the hardware of closing.
Fig. 2A to Fig. 2 B show the contour structures of quartz flexibility acceleration sensor in the prior art.Wherein, in housing
The encapsulating structure of hydrid integrated circuit be made up of 8 pins, the circuit lid supporting with the hydrid integrated circuit has 8 pins
Via, makes 8 pins be demonstrated in the outside of housing through the hole, wherein, pin 5 is signal output part, and pin 6 is torque self-inspection
End, pin 7 is the DC supply input of -12V~-15V, and pin 8 is the DC supply input of+12V~+15V, pin
9 is ground wire, and pin 10 is self-inspection end, and pin 11 is the output end of -9V, and pin 12 is the output end of+9V.In hybrid integrated electricity
Circuit components are connected with the circuit substrate on road, in the above also 5 pads, 5 pads are distributed in circuit components two
Side.5 pads are respectively negative terminals (C-), the positive terminal (C+) of differential capacitor, the torquer positive pole of differential capacitor
Terminals, torquer negative terminals, ground wire terminals.5 pads by 5 lines respectively with 5 binding post phases of gauge outfit
Even.Wherein, 5 binding posts positive pole and negative pole again respectively with differential capacitance sensor, the positive pole of electromagnetic torque device and negative pole with
And ground wire is connected.Can be accelerated for quartz flexible by the DC supply input of pin 7 and the DC supply input of pin 8
Degree sensor provides working power.Influenceed when by extraneous acceleration, this quartz flexibility acceleration sensor turns acceleration
Change analog signal into, then exported by signal output part.By converting analog signals into data signal to present out
The size of boundary's acceleration.This process is comparatively laborious, and is highly susceptible to external interference when analog-to-digital conversion is carried out, and causes to be surveyed
The acceleration value of amount is inaccurate.
In the utility model, the function that can realize that analog quantity is converted to digital quantity is increased in hydrid integrated circuit part
Unit, i.e., using analog to digital conversion circuit and conversion from chip microcontroller analog quantity to digital quantity, and it is defeated directly to carry out digital quantity
Go out.As shown in Fig. 3 A to Fig. 3 B, in the utility model, the encapsulating structure of the hydrid integrated circuit in housing is also by 8 pins
Constitute, and the circuit lid supporting with the hydrid integrated circuit is also have 8 pin vias, 8 pins is passed through the hole exhibition
It is exposed at the outside of housing.Wherein, pin 13 is analog signal output, and pin 6 is torque self-inspection end, pin 7 be -12V~-
15V DC supply inputs, pin 8 is+12V~+15V DC supply inputs, and pin 9 is ground wire, and pin 10 is self-inspection end,
Pin 14 is digital output end, and pin 15 is also digital output end.Equally, 5 pads on hydrid integrated circuit are same as above.
The operation principle of this quartz digital flexibility acceleration transducer is introduced with reference to Fig. 1.
Added for this quartz digital is flexible by the DC supply input of pin 7 and the DC supply input of pin 8
Velocity sensor is powered, in the state of making it into preparation.Now, when extraneous acceleration accelerates along the quartz flexible
The input shaft effect of sensor is spent, resulting inertia force acts on detection quality pendulum component 1, causes to detect quality pendulum group
The position of part 1 is changed, and the two poles of the earth of electric capacity in differential capacitance sensor 3 are located at due to a part for detection quality pendulum component 1
Between plate, so as to the capacitance for causing differential capacitance sensor 3 changes, fed back to by lead and differential capacitance sensor
Differential capacitor detector in 3 connected hydrid integrated circuits 4 detects the change of this capacitance, and capacitance variation is changed
Into corresponding current feedback to electromagnetic torque device 2, so that electromagnetic torque device 2 produces electromagnetic torque so that connected inspection
Mass metering pendulum component 1 comes back to poised state.Under dynamic balance state, the inertia force on detection quality pendulum component 1 is acted on
With the electromagnetic force equilibrium of electromagnetic torque device 2, the voltage at measurement sampling resistor two ends, it is defeated that the magnitude of voltage that will be surveyed passes through analog signal
Going out end 13 voltage this analog quantity is passed into analog to digital conversion circuit carries out analog-to-digital conversion, the data signal changed out pass to
Connected single-chip microcomputer be further processed, acceleration magnitude is converted into single-chip microcomputer and passes to digital output end 14 and numeral
Output end 15, the data signal after the two digital output ends can be processed single-chip microcomputer passes to navigational computer and is navigated
Computing.
Compared with prior art, quartz digital flexibility acceleration transducer provided by the utility model only needs to change
Become it and positioning and output port are installed, then its digital output port is directly led out, it is possible to direct output digit signals.Cause
This, the operating efficiency of quartz digital flexibility acceleration transducer is very high.
Quartz digital provided by the utility model flexibility acceleration transducer has been described in detail above.It is right
For those of ordinary skill in the art, to its done any aobvious on the premise of without departing substantially from the utility model connotation
The change being clear to, will all be constituted to the utility model infringement of patent right, will undertake corresponding legal liabilities.
Claims (9)
1. a kind of quartz digital flexibility acceleration transducer, including gauge outfit and hydrid integrated circuit, wherein, the gauge outfit and institute
Hydrid integrated circuit is stated to be attached using many lines；It is characterized in that：
The encapsulating structure of the hydrid integrated circuit is made up of many pins；The many pins are respectively analog signal output
End, torque self-inspection end, the DC supply input of -12V~-15V, the DC supply input of+12V~+15V, ground wire, from
Inspection end, the first digital output end and the second digital output end.
2. quartz digital as claimed in claim 1 flexibility acceleration transducer, it is characterised in that：
The hydrid integrated circuit includes analog to digital conversion circuit and single-chip microcomputer, and analog-digital conversion circuit as described passes through with the single-chip microcomputer
Wire is attached.
3. quartz digital as claimed in claim 1 flexibility acceleration transducer, it is characterised in that：
The hydrid integrated circuit is provided with multiple pads.
4. quartz digital as claimed in claim 3 flexibility acceleration transducer, it is characterised in that：
The multiple pad is connected with one end of many lines, the other end of many lines and many wiring of the gauge outfit
Post is connected.
5. quartz digital as claimed in claim 3 flexibility acceleration transducer, it is characterised in that：
The multiple pad is respectively negative terminals (C-), the positive terminal (C+) of differential capacitor, the torque of differential capacitor
Device positive terminal, torquer negative terminals, ground wire terminals.
6. quartz digital as claimed in claim 5 flexibility acceleration transducer, it is characterised in that：
Many binding posts positive pole and negative pole respectively with differential capacitance sensor, the positive pole of electromagnetic torque device and negative pole and ground wire
It is connected.
7. quartz digital as claimed in claim 1 flexibility acceleration transducer, it is characterised in that：
The analog signal output is connected with analog to digital conversion circuit, first digital output end and second numeral output
End is connected with single-chip microcomputer.
8. quartz digital as claimed in claim 1 flexibility acceleration transducer, it is characterised in that：
The line is silver-plated bare copper wire.
9. quartz digital as claimed in claim 1 flexibility acceleration transducer, it is characterised in that：
The gauge outfit is encapsulated in housing with the hydrid integrated circuit, and the housing is the hardware of closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433581.9U CN206292252U (en) | 2016-12-26 | 2016-12-26 | A kind of quartz digital flexibility acceleration transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621433581.9U CN206292252U (en) | 2016-12-26 | 2016-12-26 | A kind of quartz digital flexibility acceleration transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206292252U true CN206292252U (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621433581.9U Active CN206292252U (en) | 2016-12-26 | 2016-12-26 | A kind of quartz digital flexibility acceleration transducer |
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| Country | Link |
|---|---|
| CN (1) | CN206292252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030511A (en) * | 2019-12-24 | 2021-06-25 | 航天科工惯性技术有限公司 | Digital output accelerometer |
-
2016
- 2016-12-26 CN CN201621433581.9U patent/CN206292252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113030511A (en) * | 2019-12-24 | 2021-06-25 | 航天科工惯性技术有限公司 | Digital output accelerometer |
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