CN2527939Y - Remote monitor device for refrigeration equipment - Google Patents
Remote monitor device for refrigeration equipment Download PDFInfo
- Publication number
- CN2527939Y CN2527939Y CN 02213054 CN02213054U CN2527939Y CN 2527939 Y CN2527939 Y CN 2527939Y CN 02213054 CN02213054 CN 02213054 CN 02213054 U CN02213054 U CN 02213054U CN 2527939 Y CN2527939 Y CN 2527939Y
- Authority
- CN
- China
- Prior art keywords
- controller
- modem
- refrigeration plant
- refrigeration
- distance monitorng
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Selective Calling Equipment (AREA)
Abstract
Disclosed is a refrigeration equipment remote monitoring device which pertains to the field of electric information technology. The device is composed of a central monitoring computer, a modem, a field monitoring computer and a controller. The central monitoring computer is connected with a remote modem through a specific cable; the remote modem is connected with a field modem through a public telephone line; the field modem is connected with the field monitoring computer through the specific cable; the field monitoring computer is connected with the controller through a public converter. The utility model has the advantages of reasonable structure, easy manufacture, and convenient operation and can perform multi-parameter, omni-directional, duplex and bidirectional signal collecting, treatment and monitoring to refrigeration equipment.
Description
(1) technical field
The utility model relates to a kind of refrigeration plant long-distance monitorng device, belongs to the electron and information technology field.
(2) background technology
Various refrigeration plants in the large supermarket comprise the refrigerator of various models at present, showcase, showcase, freezer, refrigeration adds does not all have long-distance monitorng device break etc., the manufacturer of refrigeration plant or supplier can't understand the operation conditions of refrigeration plant at any time, the various faults that refrigeration plant may occur in running, manufacturer or supplier also can't in time go and find out what's going on, the user who both had been unfavorable for refrigeration plant, the manufacturer that also is unfavorable for refrigeration plant further improve the quality of products or supplier in time for information about to manufacturer's feedback of refrigeration plant.
(3) summary of the invention
At the deficiencies in the prior art, the utility model provides a kind of rational in infrastructure, easy to manufacture, easy to use, refrigeration plant long-distance monitorng device that can carry out multi-parameter, conduct monitoring at all levels to refrigeration plant.
A kind of refrigeration plant long-distance monitorng device, form by center monitoring computer, modem, on-site supervision computer and controller, the center monitoring computer is connected with remote modem by private cable, remote modem is connected with on-the-spot modem by pay station line, on-the-spot modem is connected with the on-site supervision computer by private cable, and the on-site supervision computer is connected with controller by the public switched device.
Controller is made up of refrigeration plant controller and refrigeration unit controller, the refrigeration plant controller of no built-in signal converter is connected with the public switched device by signal adapter, there is the refrigeration plant controller of built-in signal converter directly to be connected with the public switched device with the refrigeration unit controller, the refrigeration plant controller is selected the universal electronic type temperature controller for use, and the refrigeration unit controller is selected EWCM900/S for use.
The center monitoring computer is selected the PC of single com port for use, and the on-site supervision computer is selected the PC of two independent com ports for use.
Modem is selected the Modem that meets Hayes extended command set standard communications protocol for use.
The public switched device is selected EWTK200 for use.
Signal adapter is selected EWRS485 for use.
The utility model comprises signals collecting, processing and control function, works under the support of software.The controller of each controlled device all is provided with a unique legal address, and device utilizes the mode of address scan to carry out data acquisition, processing and control; The various faults that refrigeration plant may occur in running also can send alarm signal for the center monitoring computer by signal adapter and public switched device, have realized the duplexing two-way signaling transmission and control of device.The utlity model has characteristics rational in infrastructure, easy to manufacture, easy to use, can carry out multi-parameter, conduct monitoring at all levels to refrigeration plant.
(4) description of drawings
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is the circuit diagram of refrigeration plant controller in the utility model.
Fig. 3 is the circuit diagram of refrigeration plant controller in the utility model.
Wherein, 1, the center monitoring computer, 2, remote modem, 3, pay station line, 4, on-the-spot modem, 5, the on-site supervision computer, 6, the public switched device, 7, controller, J1-J10 is a functional interface, and GGL is a public zero curve, and DCC is solenoid control output, CT is a public switched device plug, JE1-JE65 is a functional interface, and DYB is the low pressure alarming interface, and GYB is the alarm for high voltage interface, DYT is the low pressure probe interface, GYT is the high-voltage probe interface, and JKJ is the monitoring system interface, and BJO is the machine output that continues of reporting to the police, AJO is the machine output that continues safely, and 01-011 is the machine output interface that continues.
(5) specific embodiment
Embodiment: structure of the present utility model such as Fig. 1, Fig. 2 and shown in Figure 3.Center monitoring computer 1 is connected with remote modem 2 by private cable 9 pin serial communication cables, remote modem 2 is connected with on-the-spot modem 4 by pay station line 3, on-the-spot modem 4 is connected with on-site supervision computer 5 by private cable 9 pin serial communication cables, on-site supervision computer 5 is connected with controller 7 by public switched device 6, refrigeration plant controller electronic type temperature controller EWPX174/E, the refrigeration unit controller is selected EWCM900/S for use.
Claims (6)
1, a kind of refrigeration plant long-distance monitorng device, form by center monitoring computer, modem, on-site supervision computer and controller, it is characterized in that, the center monitoring computer is connected with remote modem by private cable, remote modem is connected with on-the-spot modem by pay station line, on-the-spot modem is connected with the on-site supervision computer by private cable, and the on-site supervision computer is connected with controller by the public switched device.
2, refrigeration plant long-distance monitorng device as claimed in claim 1, it is characterized in that, controller is made up of refrigeration plant controller and refrigeration unit controller, the refrigeration plant controller of no built-in signal converter is connected with the public switched device by signal adapter, there is the refrigeration plant controller of built-in signal converter directly to be connected with the public switched device with the refrigeration unit controller, the refrigeration plant controller is selected the universal electronic type temperature controller for use, and the refrigeration unit controller is selected EWCM900/S for use.
3, refrigeration plant long-distance monitorng device as claimed in claim 1 is characterized in that, the center monitoring computer is selected the PC of single com port for use, and the on-site supervision computer is selected the PC of two independent com ports for use.
4, refrigeration plant long-distance monitorng device as claimed in claim 1 is characterized in that, modem is selected the Modem that meets Hayes extended command set standard communications protocol for use.
5, refrigeration plant long-distance monitorng device as claimed in claim 1 is characterized in that, the public switched device is selected EWTK200 for use.
6, refrigeration plant long-distance monitorng device as claimed in claim 1 is characterized in that signal adapter is selected EWRS485 for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02213054 CN2527939Y (en) | 2002-02-26 | 2002-02-26 | Remote monitor device for refrigeration equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02213054 CN2527939Y (en) | 2002-02-26 | 2002-02-26 | Remote monitor device for refrigeration equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2527939Y true CN2527939Y (en) | 2002-12-25 |
Family
ID=33692635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02213054 Expired - Fee Related CN2527939Y (en) | 2002-02-26 | 2002-02-26 | Remote monitor device for refrigeration equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2527939Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873394A (en) * | 2010-05-25 | 2010-10-27 | 哈尔滨市东龙自动化技术有限责任公司 | System for acquiring heat supply user indoor temperature information of by utilizing telephone network |
| CN104279837A (en) * | 2014-10-31 | 2015-01-14 | 王志 | Power restoration time delay contactless protection device for electric refrigerator |
-
2002
- 2002-02-26 CN CN 02213054 patent/CN2527939Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101873394A (en) * | 2010-05-25 | 2010-10-27 | 哈尔滨市东龙自动化技术有限责任公司 | System for acquiring heat supply user indoor temperature information of by utilizing telephone network |
| CN104279837A (en) * | 2014-10-31 | 2015-01-14 | 王志 | Power restoration time delay contactless protection device for electric refrigerator |
| CN104279837B (en) * | 2014-10-31 | 2016-11-30 | 黎清弟 | Electric refrigerator incoming call time delay contactless protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |