CN201096553Y - Ultrasonic heat meter - Google Patents
Ultrasonic heat meter Download PDFInfo
- Publication number
- CN201096553Y CN201096553Y CNU2007200444597U CN200720044459U CN201096553Y CN 201096553 Y CN201096553 Y CN 201096553Y CN U2007200444597 U CNU2007200444597 U CN U2007200444597U CN 200720044459 U CN200720044459 U CN 200720044459U CN 201096553 Y CN201096553 Y CN 201096553Y
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- ultrasonic
- temperature sensor
- sensor
- processing unit
- central processing
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Abstract
The utility model discloses an ultrasonic heat quantity meter which belongs to the metrologic instrument and comprises an inlet temperature sensor, an outlet temperature sensor, a display and a power supply, a central processor, an emitter and a receiver of an ultrasonic flow sensor; the inlet temperature sensor and the outlet temperature sensor are connected electrically with the central processor to construct a multi-channel analog signal acquisition loop; the input end of the central processor is connected with the emitter and the receiver of the ultrasonic flow sensor. The ultrasonic heat quantity meter has the advantages that based on the acquisition of the external temperature and ultrasonic flow signals, the A/D circuit, the ultra-low power consumption microprocessor, low-voltage broad pulse emission technique, the adoption of the VLSI design and the automatic control computation of the singlechip internal program, the information used by the user is displayed in Chinese through a LCD; if the situations of malfunction and low electric quantity of the battery appear, the system saves the data and displays the malfunction state, facilitating the safety and maintenance.
Description
Technical field
The utility model relates to the hot gauging instrument in family of heat supply, specifically is a kind of ultrasonic calorimeter.
Background technology
At present, the heat supplication and consumption measuring apparatus is mostly, but in these technology, do not relate to the high-precision measurement that is used for heating and process of refrigerastion, and temperature, the drift of flow causes the solution of problems such as metering is inaccurate, and can not write down raw data and failure cause when breaking down, make maintenance inconvenient.
Summary of the invention
The purpose of this utility model is the shortcoming of prior art in heating and the process of refrigerastion, and a kind of have high precision and low accuracy are provided, and has the family electronic product of heat (cold) metering of data storage and the multiple function of failure logging.
The technical solution of the utility model is as follows: a kind of ultrasonic calorimeter, comprise inlet temperature sensor, outlet temperature sensor, display and power supply, also comprise central processing unit, the ultrasonic flow sensor of forming by ultrasonic sensor time measuring circuit, ultrasonic sensor converter A, ultrasonic sensor converter gauge tap, ultrasonic sensor converter B, ultrasonic sensor transmitter B and ultrasonic sensor transmitter A transmit and receive device; Inlet temperature sensor and outlet temperature sensor are electrically connected with central processing unit forms the multi-channel analog signal acquisition circuit; The input end of central processing unit connects the device that transmits and receives of ultrasonic flow sensor.
Good effect of the present utility model is: owing to adopted technique scheme, by gathering external temperature and ultrasonic flow signal, through modulus circuit, super low-power consumption microprocessor, low-voltage broad pulse lift-off technology and employing VLSI (very large scale integrated circuit) designs, the single-chip microcomputer internal processes is controlled calculating automatically, the information used the user shows by the full Chinese of LCD, if fault, battery electric quantity deficiency etc., system will preserve data, and the demonstration malfunction helps safety and safeguards.
Description of drawings
Below in conjunction with accompanying drawing and example the utility model is described in further detail.
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is a main program flow chart of the present utility model;
Fig. 3 is the Interrupt Process subroutine flow chart
Among the figure: 1, central processing unit, 2, display, 3, the ultrasonic sensor emission switch, 4, inlet temperature sensor, 5, outlet temperature sensor, 6, communication interface, 7, power supply, 8, ultrasonic sensor time measuring circuit, 9, ultrasonic sensor converter A, 10, ultrasonic sensor converter gauge tap, 11, ultrasonic sensor converter B, 12, ultrasonic sensor transmitter B, 13, ultrasonic sensor transmitter A.
Embodiment
As shown in Figure 1, the utility model comprises that central processing unit 1, central processing unit 1 adopts the single-chip microcomputer with AD translation function, in this single-chip microcomputer stored program shown in Figure 2.The input end of central processing unit connect high precision and high stability ultrasonic flow sensor transmit and receive device, inlet temperature sensor 4 adopts PT1000 temperature sensors, outlet temperature sensor 5 to adopt the PT1000 temperature sensors.PT1000 temperature sensor, PT1000 temperature sensor are electrically connected with central processing unit 1 has formed flow mistiming, inlet temperature sensor resistance, outlet temperature sensor resistance multi-channel analog signal acquisition circuit; The utility model also comprises the display 2 that is connected with central processing unit, is connected the power supply 7 that electric energy is provided to instrument by communication interface 6 with central processing unit.
Claims (2)
1, a kind of ultrasonic calorimeter, comprise inlet temperature sensor (4), outlet temperature sensor (5), display (2) and power supply (7), it is characterized in that, also comprise central processing unit (1), the ultrasonic flow sensor of forming by ultrasonic sensor time measuring circuit (8), ultrasonic sensor converter A (9), ultrasonic sensor converter gauge tap (10), ultrasonic sensor converter B (11), ultrasonic sensor transmitter B (12) and ultrasonic sensor transmitter A (13) transmit and receive device; Inlet temperature sensor (4) and outlet temperature sensor (5) are electrically connected with central processing unit (1) forms the multi-channel analog signal acquisition circuit; The input end of central processing unit connects the device that transmits and receives of ultrasonic flow sensor.
2, ultrasonic calorimeter according to claim 1 is characterized in that: central processing unit (1) is the single-chip microcomputer with AD translation function.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200444597U CN201096553Y (en) | 2007-09-30 | 2007-09-30 | Ultrasonic heat meter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2007200444597U CN201096553Y (en) | 2007-09-30 | 2007-09-30 | Ultrasonic heat meter |
Publications (1)
Publication Number | Publication Date |
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CN201096553Y true CN201096553Y (en) | 2008-08-06 |
Family
ID=39923606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2007200444597U Expired - Fee Related CN201096553Y (en) | 2007-09-30 | 2007-09-30 | Ultrasonic heat meter |
Country Status (1)
Country | Link |
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CN (1) | CN201096553Y (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101832827A (en) * | 2010-06-03 | 2010-09-15 | 湖南威铭能源科技有限公司 | Heat meter with pressure measuring function |
CN102354416A (en) * | 2011-07-08 | 2012-02-15 | 张美林 | Prepayment temperature control ultrasonic calorimeter |
CN104062038A (en) * | 2014-06-05 | 2014-09-24 | 中国航天科技集团公司第五研究院第五一三研究所 | Total temperature compensating ultrasonic heat meter |
CN104165656A (en) * | 2014-08-18 | 2014-11-26 | 无锡锐泰节能系统科学有限公司 | Ultrasonic water quality heat flow meter |
-
2007
- 2007-09-30 CN CNU2007200444597U patent/CN201096553Y/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101832827A (en) * | 2010-06-03 | 2010-09-15 | 湖南威铭能源科技有限公司 | Heat meter with pressure measuring function |
CN102354416A (en) * | 2011-07-08 | 2012-02-15 | 张美林 | Prepayment temperature control ultrasonic calorimeter |
CN104062038A (en) * | 2014-06-05 | 2014-09-24 | 中国航天科技集团公司第五研究院第五一三研究所 | Total temperature compensating ultrasonic heat meter |
CN104165656A (en) * | 2014-08-18 | 2014-11-26 | 无锡锐泰节能系统科学有限公司 | Ultrasonic water quality heat flow meter |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20150930 |
|
EXPY | Termination of patent right or utility model |