CN203249714U - Multi-communication-interface automatic temperature and flow calibration apparatus for calorimeters - Google Patents
Multi-communication-interface automatic temperature and flow calibration apparatus for calorimeters Download PDFInfo
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- CN203249714U CN203249714U CN 201320142744 CN201320142744U CN203249714U CN 203249714 U CN203249714 U CN 203249714U CN 201320142744 CN201320142744 CN 201320142744 CN 201320142744 U CN201320142744 U CN 201320142744U CN 203249714 U CN203249714 U CN 203249714U
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Abstract
The utility model discloses a multi-communication-interface automatic temperature and flow calibration apparatus for calorimeters. The apparatus is a part of a calorimeter detection system, and is used for improving the efficiency of the detection of the calorimeters. The apparatus can detect multiple calorimeters simultaneously, and is adaptive to the constant temperature bath or flow detecting bench with a 485 interface or a 232 interface. Besides, the apparatus is connected with a host computer by a USB interface, having the advantages of simplicity, convenience, flexibility and practicality.
Description
Technical field
The utility model relates to calorimeter calibration or calibrating field, more particular words it, the utility model is specifically related to can calibrate efficiently, fast a plurality of calorimeters simultaneously for the dispatch from the factory equipment of front temperature and traffic alignment of calorimeter.
Background technology
Continuous popularization along with China's urban heating system reform pilot, the development of domestic calorimeter is very fast, produce calorimeter enterprise to the dispatch from the factory calibration of front temperature and flow of calorimeter in order to adapt to, heat meter calibrating apparatus in the market is various, communication interface is disunity also, and the quantity of each calorimeter of examining and determine simultaneously seldom, main dependence manual operations, complex operation, accuracy is not high yet, this has not only increased inspection table personnel's workload greatly, and is unfavorable for improving inspection table efficient.
The utility model content
The calorimeter temperature of the utility model multiplex communication interface and flow auto-adjustment device, its a small group as whole calorimeter testing systems becomes part, but play immeasurable effect, can check simultaneously many calorimeters, greatly improve inspection table personnel's work efficiency, and simple to operate, once configure, need not to dispose, full-automatic calibration is for the heat meter calibration field provides a feasible scheme again.
The calorimeter temperature of the utility model multiplex communication interface and flow auto-adjustment device belong to the part of calorimeter testing systems, in order to improve calorimeter inspection table personnel's work efficiency, then improve inspection table efficient.Can examine simultaneously many calorimeters, but the calibration cell of simultaneous adaptation 485 interfaces or 232 interfaces or flow verification platform be connected by USB interface with host computer, simple, convenient, flexible, practical.
The heat meter calibration tooling device of the utility model multiplex communication interface contains microprocessor, M-BUS transtation mission circuit, M-BUS receiving circuit, voltage overload, overcurrent warning circuit, 232 telecommunication circuits, 485 telecommunication circuits, usb communication circuit, state display module, operation load module, communicating circuit handover module and power supply.
The technical solution of the utility model is:
The calorimeter temperature of multiplex communication interface and flow auto-adjustment device, comprised processor, and the power management module that is electrically connected with it respectively, state display module and operation load module, it improves design and is further to have comprised communicating circuit handover module, USB communication module and the M-BUS circuit communication module that is electrically connected with processor, wherein said communicating circuit handover module is electric RS485 communication module and the RS232 communication module of being integrated with further, is used for the communication with a plurality of calibration equipments of outside.
In one embodiment, be external to host computer equipment with the exchange of the calibrating data that realize described processor by the USB communication module.
In one embodiment, described state display module is a LCD display device, is used for showing the calibrating status information.
In one embodiment, described operation load module has comprised input key, contactor control device, is used for user's switching inquiry and demonstration.
In another embodiment, select communication type and the interface of outside calibration cell or flow verification platform by the communicating circuit handover module, and can connect simultaneously a plurality of calorimeters or calibrating installation.
The beneficial effects of the utility model are apparent: 1, good compatibility, calibration cell or the flow verification platform of compatible 485 or 232 common interfaces of energy; 2, adopt 32 bit processors to guarantee identification, forwarding and the processing of the steady fast and reliable of calibration data; 3, M-Bus slave quantity is identified automatically, overvoltage, and over-current detection can be with year slave quantity many; 4, good electrical isolation guarantees the safe operation of equipment, simply and easily operability.
Description of drawings
Fig. 1 is the calorimeter temperature of the utility model multiplex communication interface and the theory structure block diagram of flow auto-adjustment device.
Embodiment
With reference to Fig. 1, the calorimeter temperature of the utility model multiplex communication interface and flow auto-adjustment device have comprised processor 0, and the power management module 1 that is electrically connected with it respectively, state display module 2 and operation load module 3, it improves design and is further to have comprised communicating circuit handover module 4, USB communication module 6 and the M-BUS circuit communication module 5 that is electrically connected with processor, wherein said communicating circuit handover module 4 further electric 485 communication modules 7 and 232 communication modules 8 of being integrated with are used for the communication with a plurality of calibration equipments of outside.
In one embodiment, the host computer equipment that is external to an outside by USB communication module 5 is with the exchange of the calibrating data that realize described processor 0.
In one embodiment, described state display module 2 is LCD display devices, is used for showing the calibrating status information.
In one embodiment, described operation load module 3 has comprised input key, contactor control device, is used for user's switching inquiry and demonstration.
In another embodiment, select communication type and the interface of outside calibration cell or flow verification platform by communicating circuit handover module 4, and can connect simultaneously a plurality of calorimeters or calibrating installation.
In another embodiment, processor 0 is connected on the M-BUS bus by M-BUS circuit communication module 5, automatically identifies overvoltage and over-current detection to carry out M-Bus slave quantity.
In one embodiment, the chip of processor 0 is the STM32F103C8T6 that adopts the ARM-Cotex M3 kernel of many serial ports, be responsible for automatic identification and the forwarding of uplink and downlink communication data, simultaneously process user operation input and state show, detect in real time the voltage and current of M-Bus circuit.
In one embodiment, power management module 1: adopt the DC-DC power module with enable switch, the 12V external direct current power supply is boosted to 36V to M-Bus, provide 20V voltage to M-Bus by the linear voltage stabilization module again, with 3.3V voltage to processor, adopt power isolation module to provide 5V to 485,232 modules.When overcurrent or overvoltage, can cut off by enable switch the power supply of M-Bus part.
In one embodiment, the state display module 2: display power supply pilot lamp, malfunction indicator lamp, self check pilot lamp, data send pilot lamp, data receiver pilot lamp respectively by 5 LED lamps.
In one embodiment, operation load module 3 has comprised battery main switch and reset key.
In one embodiment, communicating circuit handover module 4 comprises: a self-locking button when pressing, is 485 communication interfaces, is 232 interfaces when upspringing.
In one embodiment, M-Bus communication circuit module 5: can detect the overvoltage of M-Bus circuit and overcurrent, can be with and carry a plurality of M-Bus slaves.The baud rate scope is that 1200bps is to 9600bps.
In one embodiment, the USB communication module 6: adopt FT232 chip and optocoupler that the USB communicating circuit of isolation is provided.The baud rate scope is that 1200bps is to 9600bps.
In one embodiment, 485 communication modules 7: adopt 75LBC184 chip and optocoupler that 485 communicating circuits of isolation are provided.The baud rate scope is that 1200bps is to 9600bps.
In one embodiment, 232 communication modules 8: adopt SP232 chip and optocoupler that 232 communicating circuits of isolation are provided.The baud rate scope is that 1200bps is to 9600bps.
The workflow of the utility model device is: before bringing into use, according to the communication interface of calibration cell or flow verification platform, switch communicating circuit by switching key 4 first.Hotlist is received M-Bus slave interface 5 successively.Press battery main switch button 1, the system boot self check, the flicker of self check pilot lamp, after self check was finished, the self check pilot lamp extinguished, power light constant 2.Host computer configures PORT COM and baud rate, opens PORT COM, sends calibration data, and processor 0 can be identified forwarding uplink data to hotlist, calibration cell or flow verification platform automatically according to communications protocol, also can automatically identify downlink data to host computer simultaneously.
Claims (1)
1. the calorimeter temperature of multiplex communication interface and flow auto-adjustment device, comprised processor, and the power management module that is electrically connected with it respectively, state display module and operation load module, it is characterized in that: further comprised the communicating circuit handover module that is electrically connected with described processor respectively, USB communication module and M-BUS circuit communication module, wherein said communicating circuit handover module is electric RS485 communication module and the RS232 communication module of being integrated with further, is used for the communication with a plurality of calibration equipments of outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142744 CN203249714U (en) | 2013-03-27 | 2013-03-27 | Multi-communication-interface automatic temperature and flow calibration apparatus for calorimeters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142744 CN203249714U (en) | 2013-03-27 | 2013-03-27 | Multi-communication-interface automatic temperature and flow calibration apparatus for calorimeters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203249714U true CN203249714U (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320142744 Expired - Fee Related CN203249714U (en) | 2013-03-27 | 2013-03-27 | Multi-communication-interface automatic temperature and flow calibration apparatus for calorimeters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062916A (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 | Main control circuit of centralized meter reading system |
-
2013
- 2013-03-27 CN CN 201320142744 patent/CN203249714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062916A (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 | Main control circuit of centralized meter reading system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20200327 |