CN202814634U - Wireless transmission digital pressure transmitter - Google Patents
Wireless transmission digital pressure transmitter Download PDFInfo
- Publication number
- CN202814634U CN202814634U CN 201220581122 CN201220581122U CN202814634U CN 202814634 U CN202814634 U CN 202814634U CN 201220581122 CN201220581122 CN 201220581122 CN 201220581122 U CN201220581122 U CN 201220581122U CN 202814634 U CN202814634 U CN 202814634U
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- electrically connected
- converter
- amplifier
- microprocessor
- pressure transducer
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Abstract
The utility model discloses a wireless transmission digital pressure transmitter, comprising a constant current source, a microprocessor, a pressure sensor, a temperature compensation sensor, a first amplifier, a second amplifier, a first A/D converter, a second A/D converter, a wireless signal transmitter and a data memory. The wireless transmission digital pressure transmitter has simple structure, is provided with the wireless signal transmitter, can transmit the pressure transmission signals wirelessly, is convenient and fast in data transmission, can save the consumption of the data lines, and saves the cost to a certain extent.
Description
Technical field
The utility model relates to a kind of wireless transmission Digital Pressure Transducer.
Background technology
The Digital Pressure Transducer of prior art, generally formed by processing unit, pressure transducer, amplifier and A/D change-over circuit, it need to carry out temperature compensation through thermistor to the force value that detects, its compensation effect is limited, still can have influence on to a certain extent the degree of accuracy of Digital Pressure Transducer, and its signal transmits and monitoring is not easily quick.
Summary of the invention
The purpose of this utility model provide a kind of simple in structure, transmit conveniently wireless transmission Digital Pressure Transducer.
The technical scheme that realizes the utility model purpose is a kind of wireless transmission Digital Pressure Transducer, comprise constant current source, microprocessor, pressure transducer, temperature compensation sensor, the first amplifier, the second amplifier, the first A/D converter, the second A/D converter, radio signal senders and data-carrier store, the input end of described pressure transducer is electrically connected with described constant current source, the output terminal of described pressure transducer is connected with described the first amplifier electric, the output terminal of described the first amplifier is electrically connected with described the first A/D converter, and described the first A/D converter is electrically connected with described microprocessor; The input end of described temperature compensation sensor is electrically connected with described constant current source, the output terminal of described temperature compensation sensor is connected with described the second amplifier electric, the output terminal of described the second amplifier is electrically connected with described the second A/D converter, and described the second A/D converter is electrically connected with described microprocessor; The output terminal of described microprocessor is electrically connected with described radio signal senders, and the data storage end of described microprocessor is electrically connected with described data-carrier store.
Also comprise display, described display is electrically connected with described microprocessor.
The utlity model has positive effect: of the present utility model simple in structure, be provided with radio signal senders, the pressure inverting signal can be passed through radio transmission, data transmit convenient and swift, and the use that can save data line, provide cost savings to a certain extent.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model according to specific embodiment also by reference to the accompanying drawings, wherein:
Fig. 1 is circuit structure principle schematic of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is circuit structure principle schematic of the present utility model.
See Fig. 1, a kind of wireless transmission Digital Pressure Transducer, comprise constant current source 1, microprocessor 2, pressure transducer 3, temperature compensation sensor 4, the first amplifier 5, the second amplifier 6, the first A/D converter 7, the second A/D converter 8, radio signal senders 9 and data-carrier store 10, the input end of described pressure transducer 3 is electrically connected with described constant current source 1, the output terminal of described pressure transducer 3 is electrically connected with described the first amplifier 5, the output terminal of described the first amplifier 5 is electrically connected with described the first A/D converter 7, and described the first A/D converter 7 is electrically connected with described microprocessor 2; The input end of described temperature compensation sensor 4 is electrically connected with described constant current source 1, the output terminal of described temperature compensation sensor 4 is electrically connected with described the second amplifier 6, the output terminal of described the second amplifier 6 is electrically connected with described the second A/D converter 8, and described the second A/D converter 8 is electrically connected with described microprocessor 2; The output terminal of described microprocessor 2 is electrically connected with described radio signal senders 9, and the data storage end of described microprocessor 2 is electrically connected with described data-carrier store 10.
Also comprise display 11, described display 11 is electrically connected with described microprocessor 2.
Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (2)
1. wireless transmission Digital Pressure Transducer, comprise constant current source, microprocessor, pressure transducer, temperature compensation sensor, the first amplifier, the second amplifier, the first A/D converter, the second A/D converter, radio signal senders and data-carrier store, it is characterized in that: the input end of described pressure transducer is electrically connected with described constant current source, the output terminal of described pressure transducer is connected with described the first amplifier electric, the output terminal of described the first amplifier is electrically connected with described the first A/D converter, and described the first A/D converter is electrically connected with described microprocessor; The input end of described temperature compensation sensor is electrically connected with described constant current source, the output terminal of described temperature compensation sensor is connected with described the second amplifier electric, the output terminal of described the second amplifier is electrically connected with described the second A/D converter, and described the second A/D converter is electrically connected with described microprocessor; The output terminal of described microprocessor is electrically connected with described radio signal senders, and the data storage end of described microprocessor is electrically connected with described data-carrier store.
2. wireless transmission Digital Pressure Transducer according to claim 1, it is characterized in that: also comprise display, described display is electrically connected with described microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581122 CN202814634U (en) | 2012-10-16 | 2012-10-16 | Wireless transmission digital pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581122 CN202814634U (en) | 2012-10-16 | 2012-10-16 | Wireless transmission digital pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202814634U true CN202814634U (en) | 2013-03-20 |
Family
ID=47873493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220581122 Expired - Fee Related CN202814634U (en) | 2012-10-16 | 2012-10-16 | Wireless transmission digital pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202814634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515071A (en) * | 2017-09-25 | 2017-12-26 | 南京航伽电子科技有限公司 | The wireless pressure transmitter of multy-way switching transmission can be carried out |
| CN107702841A (en) * | 2017-09-25 | 2018-02-16 | 南京航伽电子科技有限公司 | Enhanced wireless pressure transmitter |
-
2012
- 2012-10-16 CN CN 201220581122 patent/CN202814634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515071A (en) * | 2017-09-25 | 2017-12-26 | 南京航伽电子科技有限公司 | The wireless pressure transmitter of multy-way switching transmission can be carried out |
| CN107702841A (en) * | 2017-09-25 | 2018-02-16 | 南京航伽电子科技有限公司 | Enhanced wireless pressure transmitter |
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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: 20130320 Termination date: 20131016 |