CN202793609U - Online temperature measuring device of multifunctional switch cabinet - Google Patents
Online temperature measuring device of multifunctional switch cabinet Download PDFInfo
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- CN202793609U CN202793609U CN201220388478.2U CN201220388478U CN202793609U CN 202793609 U CN202793609 U CN 202793609U CN 201220388478 U CN201220388478 U CN 201220388478U CN 202793609 U CN202793609 U CN 202793609U
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- central processing
- switch cabinet
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- temperature
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Abstract
The utility model discloses an online temperature measuring device of a multifunctional switch cabinet, which comprises a temperature detecting module and a central processing unit, wherein an output signal of the temperature detecting module is inputted to the central processing unit through a communicating module; the central processing unit is used for computing and processing the signal which is received from the communicating module and outputting the signal to a display module to display the signal; the central processing unit is communicated with an upper computer through a first communicating module, and is simultaneously connected with an alarm circuit, an internal temperature detecting circuit and a keying circuit. According to the online temperature detecting device of the multifunctional switch cabinet, temperature of a detected contact is outputted to the display module by the central processing unit to display, and is transmitted to the upper computer to realize a remote monitoring; meanwhile, alarming and keying functions are added, to realize an online monitoring on the temperature of the electric contact.
Description
Technical field
The utility model relates to temperature measuring equipment, and specifically, relating in particular to is a kind of multifunction switch cabinet temperature measurement on-line device.
Background technology
An electrical equipment of electric system is comprised of electrical equipments such as isolating switch, transformer, cable, bus, switch cubicles, connects by bus, lead-in wire, cable etc. between each electrical equipment, thereby forms a plurality of electric terminals.Because electric faults such as material agings, loose contact, current overload, will cause that the electrical equipment contact position temperature rise such as switch cubicle is too high, if therefore can in time monitor the temperature variations at contact position, just can realize the monitoring to electric fault point.But existing in the common function singleness of monitoring device, can not satisfy well the monitoring demand.
The utility model content
The purpose of this utility model is for the problems referred to above, and a kind of multifunction switch cabinet temperature measurement on-line device is provided, and realizes the on-line monitoring to the electric terminal temperature.
For achieving the above object, the utility model has adopted following technical proposal: a kind of multifunction switch cabinet temperature measurement on-line device, comprise temperature detecting module and central processing unit, the output signal of described temperature detecting module is input to central controller by communication module, and described central processing unit will carry out computing and output to display module showing from the signal that communication module receives.
Above-mentioned multifunction switch cabinet temperature measurement on-line device wherein, also comprises first communication module, and described central processing unit communicates by first communication module and host computer.
Above-mentioned multifunction switch cabinet temperature measurement on-line device, wherein, described central processing unit also connects clock module, the time of this central processing unit control clock module and the time synchronized of host computer.
Above-mentioned multifunction switch cabinet temperature measurement on-line device, wherein, the input end of described central processing unit connects the internal temperature testing circuit, and this internal temperature testing circuit is for detection of the internal temperature of this device, and the output terminal of described central processing unit connects warning circuit.
Above-mentioned multifunction switch cabinet temperature measurement on-line device, wherein, the input end of described central processing unit also connects key circuit.
Compared with prior art, the utility model has the advantage of: the multifunction switch cabinet temperature measurement on-line device that the utility model provides, the temperature that central processing unit will be detected contact outputs to display module and shows, and send to host computer and realize remote monitoring, also increased simultaneously warning and keypress function, realized the electric terminal on-line temperature monitoring.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of the utility model multifunction switch cabinet temperature measurement on-line device;
Fig. 2 is the electrical block diagram of internal temperature testing circuit and warning circuit among Fig. 1;
Fig. 3 is the electrical block diagram of key circuit among Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the multifunction switch cabinet temperature measurement on-line device that the utility model provides, comprise temperature detecting module 1 and central processing unit 3, wherein, the temperature of the tested electric terminal that described temperature detecting module 1 will detect, and the electric signal that converts correspondence to is exported, this output signal is input to central controller 3 by communication module 2, described central processing unit 3 will carry out computing from the signal that communication module 2 receives, and corresponding contact temperature numerical value is outputed to display module 4 show.Preferably, described temperature detecting module 1 can be selected infrared temperature sensor, the red laser that infrared temperature sensor is sent is aimed at detected contact and is got final product, thereby the detected contact of infrared temperature sensor and high pressure is without electrical connection, has the high pressure isolation performance, reliability and security have been improved, mode sends to communication module 2 with the signal that detects, described temperature sampling module 2 also can be selected radio temperature sensor, and this radio temperature sensor sends to communication module 2 by wireless transmission method with the signal that detects.In addition, described communication module 2 adopts the RS485 communication mode, and described display module 4 is LCDs.
As shown in Figure 1, the multifunction switch cabinet temperature measurement on-line device that the utility model provides also comprises first communication module 5, central processing unit 3 communicates by first communication module 5 and host computer 6, thereby the temperature of the detected contact that central processing unit 3 will receive sends to host computer 6, the staff can directly check the temperature of detected contact at host computer 6, do not need in person to arrive the on-the-spot on-line monitoring that just can realize the electric terminal temperature, when host computer 6 and a plurality of central processing units 3 communicate.Described central processing unit 3 also connects clock module 7, central processing unit 3 reads the time of clock module 7 and shows at display module 4, because clock module 7 is the life period error inevitably, therefore central processing unit 3 time of regularly reading host computer 6, and the time of control clock module 7 and the time synchronized of host computer 6.
As shown in Figure 1, the input end of described central processing unit 3 connects internal temperature testing circuit 10, and this internal temperature testing circuit 10 is for detection of the internal temperature of this device, and the output terminal of described central processing unit 3 connects warning circuit 8.As shown in Figure 2, described internal temperature testing circuit 10 comprises resistance R 15, one end of described resistance R 15 connects power Vcc, the other end connects the input end WD of central controller 3, described warning circuit 8 comprises hummer BELL, the signal variation with temperature of the input end WD of central controller 3 and changing, thus the internal temperature of this device detected.The positive pole of described hummer BELL is connected to power Vcc by resistance R 17, the collector of the negative pole connecting triode Q2 of this hummer BELL, the emitter of described triode Q2 connects public terminal GND, the base stage of this triode Q2 connects the output terminal BE of central processing unit 3 by resistance R 19, described warning circuit 5 also comprises LED, the anodic bonding power Vcc of this LED, negative electrode connects the output terminal LE of central processing unit 3 by resistance R 18, when the difference of the temperature of detected contact and the internal temperature of this device during above setting value, the output signal of central processing unit 3 output terminal BE and LE makes respectively the warning of sending of hummer BELL and LED.
As shown in Figure 3, the input end of described central processing unit also connects key circuit 9.As shown in Figure 3, described key circuit 5 comprises button S21, S22, S23 and S24, described button S21, S22, S23, the second terminal of S24 all connects public terminal GND with the 4th terminal, described button S21, S22, S23, the first terminal of S24 and the 3rd terminal all are connected to power Vcc by resistance, and the first terminal of described button S21 and the 3rd terminal all are connected to the input end K1 of central processing unit 3, the first terminal of described button S22 and the 3rd terminal all are connected to the input end K2 of central processing unit 3, the first terminal of described button S23 and the 3rd terminal all are connected to the input end K3 of central processing unit 3, the first terminal of described button S24 and the 3rd terminal all are connected to the input end K4 of central processing unit 3, therefore can be with button S21, S22, the keypress function of S23 and S24 is defined as respectively and checks, recover, on turn over or under turn over, central processing unit 3 is according to the key information that detects, the Current Temperatures or the record temperature that show detected contact, thereby the staff can check the formerly temperature conditions of a period of time of detected contact, running parameter such as desired temperature or the time etc. of this monitoring device can also be set by button, perhaps realization event inquiry etc.
In sum, the multifunction switch cabinet temperature measurement on-line device that the utility model provides, the temperature that central processing unit 3 will be detected contact outputs to display module 4 and shows, and send to host computer 6 and realize remote monitoring, also increased simultaneously warning and keypress function, realized the electric terminal on-line temperature monitoring.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. multifunction switch cabinet temperature measurement on-line device, comprise temperature detecting module and central processing unit, it is characterized in that: the output signal of described temperature detecting module is input to central controller by communication module, and described central processing unit will carry out computing and output to display module showing from the signal that communication module receives.
2. the multifunction switch cabinet temperature measurement on-line device described in according to claim 1, it is characterized in that: also comprise first communication module, described central processing unit communicates by first communication module and host computer.
3. the multifunction switch cabinet temperature measurement on-line device described in according to claim 2, it is characterized in that: described central processing unit also connects clock module, the time of this central processing unit control clock module and the time synchronized of host computer.
4. the multifunction switch cabinet temperature measurement on-line device described in according to claim 1, it is characterized in that: the input end of described central processing unit connects the internal temperature testing circuit, this internal temperature testing circuit is for detection of the internal temperature of this device, and the output terminal of described central processing unit connects warning circuit.
5. the multifunction switch cabinet temperature measurement on-line device described in according to claim 1, it is characterized in that: the input end of described central processing unit also connects key circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220388478.2U CN202793609U (en) | 2012-08-07 | 2012-08-07 | Online temperature measuring device of multifunctional switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220388478.2U CN202793609U (en) | 2012-08-07 | 2012-08-07 | Online temperature measuring device of multifunctional switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202793609U true CN202793609U (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220388478.2U Expired - Fee Related CN202793609U (en) | 2012-08-07 | 2012-08-07 | Online temperature measuring device of multifunctional switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202793609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728040A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | Device for detecting temperature of inside of switch cabinet on basis of thermal couple |
| CN107121210A (en) * | 2017-05-19 | 2017-09-01 | 四川成瑞科技有限公司 | Temp monitoring alarm, method and system |
-
2012
- 2012-08-07 CN CN201220388478.2U patent/CN202793609U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728040A (en) * | 2013-11-15 | 2014-04-16 | 成都市宏山科技有限公司 | Device for detecting temperature of inside of switch cabinet on basis of thermal couple |
| CN107121210A (en) * | 2017-05-19 | 2017-09-01 | 四川成瑞科技有限公司 | Temp monitoring alarm, method and system |
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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: 20130313 Termination date: 20170807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |