CN202329875U - Novel switch cabinet temperature measuring device - Google Patents
Novel switch cabinet temperature measuring device Download PDFInfo
- Publication number
- CN202329875U CN202329875U CN2011205118853U CN201120511885U CN202329875U CN 202329875 U CN202329875 U CN 202329875U CN 2011205118853 U CN2011205118853 U CN 2011205118853U CN 201120511885 U CN201120511885 U CN 201120511885U CN 202329875 U CN202329875 U CN 202329875U
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- transmit port
- temperature detection
- transmission port
- temperature
- slave computer
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Abstract
The utility model belongs to the technical field of on-line monitoring of high-voltage electrical apparatuses, in particular relates to a novel switch cabinet temperature measuring device, which comprises a temperature sensor, a temperature detection lower computer, a power source module, an infrared emitting module, an infrared receiving module and an upper computer. A transmission port of the temperature sensor is connected with a transmission port of the temperature detection lower computer, the transmission port of the temperature detection lower computer is connected with a transmission port of the infrared emitting module, and the transmission port of the infrared emitting module is connected with a transmission port of the upper computer. The temperature detection lower computer comprises a numerical control analogue switch and a micro-programmed control unit (MCU), a transmission port of the numerical control analogue switch is connected with a transmission port of the MCU, the transmission port of the infrared receiving module is connected with the transmission port of the upper computer through an radio station (RS) 485, an epoxy resin insulating material layer is arranged outside the temperature sensor, and the power source module adopts a quick saturation current transformer and supplies power to the temperature detection lower computer. The novel switch cabinet temperature measuring device is high in accuracy, safe, reliable, and free of influence from the structure of a switch cabinet body.
Description
Technical field
the utility model belongs to High-Voltage Electrical Appliances on-line monitoring technique field, relates in particular to a kind of novel switched cabinet temperature measuring equipment.
Background technology
existing switch cubicle bus temperature rise on-Line Monitor Device; Because bus is in the high-pressure side; Consider Insulation Problems, the monitoring device great majority adopt the contactless temperature-measuring mode, and because contactless temperature-measuring sensor price is high more a lot of than contact temperature-measuring sensor; This means the compression significantly of profit for the mesolow switch cubicle; And the contactless temperature-measuring method measurement point temperature in the survey sensor direct-view scope only, this makes its influence that receives the labyrinth of switch cabinet body own easily, the switch cubicle structure that the space is narrow and small especially even can't carry out the installation of non-contacting sensor.
The utility model content
the utility model is intended to overcome the weak point of prior art and provides a kind of cost low, and precision is high, and is safe and reliable, does not receive the novel switched cabinet temperature measuring equipment of switch cabinet body structure influence.
For solving the problems of the technologies described above, the utility model is to realize like this
.
a kind of novel switched cabinet temperature measuring equipment, it comprises temperature sensor, temperature detection slave computer, power module, infrared transmission module, infrared receiving module and host computer; The transmit port jointing temp of said temperature sensor detects the transmit port of slave computer; The transmit port of said temperature detection slave computer connects the transmit port of infrared transmission module; The transmit port of said infrared receiving module connects the transmit port of host computer; Said power module provides working power for the temperature detection slave computer.
as a kind of preferred version, the said temperature detection slave computer of the utility model comprises numerical control analog switch and MCU; The transmit port of numerical control analog switch connects the transmit port of MCU.
as another kind of preferred version, the said temperature sensor of the utility model adopts the DS18B20 digital temperature sensor.
Further, the transmit port of the said infrared receiving module of the utility model is joined through the transmit port of RS485 and host computer
.
further, the said temperature sensor of the utility model is provided with the epoxy resin insulation material layer outward.
in addition, the said power module of the utility model adopts the quick-magnetic saturated current transformer that is fitted to major loop; Said quick-magnetic saturated current transformer provides working power for the temperature detection slave computer, is in noble potential together to realize temperature detection slave computer and switch cubicle bus.
secondly, the said power module of the utility model comprises the standby power supply part; Said standby power supply partly provides working power for the temperature detection slave computer.
owing to adopt digital temperature sensor mode thermometric, make the cost of switch cubicle temperature measuring equipment greatly reduce compared with prior art, and digital temperature sensor do not receive the narrow and small influence of switch cubicle structure, and are easy for installation.Utilize the cooperation of quick-magnetic saturated current transformer, temperature sensor and infrared transmission mode; Solved the difficult problem that bus electrical connection place temperature measurement is isolated; Effectively improved the safe reliability of equipment work, and the design through analog switch, make this product can monitor many cabinets body simultaneously; Comprise the temperature rise monitoring of ring main unit, its maximum monitoring way can reach 32 the tunnel.
Description of drawings
are described further the utility model below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the one-piece construction synoptic diagram of the utility model.
Fig. 2 is the utility model temperature detection slave computer schematic block circuit diagram.
Embodiment
are as shown in the figure, novel switched cabinet temperature measuring equipment, and it comprises temperature sensor, temperature detection slave computer, power module, infrared transmission module, infrared receiving module and host computer; The transmit port jointing temp of said temperature sensor detects the transmit port of slave computer; The transmit port of said temperature detection slave computer connects the transmit port of infrared transmission module; The transmit port of said infrared receiving module connects the transmit port of host computer; Said power module provides working power for the temperature detection slave computer.
The said temperature detection slave computer of
the utility model comprises numerical control analog switch and MCU; The transmit port of numerical control analog switch connects the transmit port of MCU.
The said temperature sensor of
the utility model adopts the DS18B20 digital temperature sensor.
The transmit port of
said infrared receiving module of the utility model is joined through the transmit port of RS485 and host computer.
said temperature sensor of the utility model is provided with the epoxy resin insulation material layer outward.
The said power module of
the utility model adopts the quick-magnetic saturated current transformer that is fitted to major loop; Said quick-magnetic saturated current transformer provides working power for the temperature detection slave computer, is in noble potential together to realize temperature detection slave computer and switch cubicle bus.
said power module of the utility model comprises the standby power supply part; Said standby power supply partly provides working power for the temperature detection slave computer.
the utility model adopts the low power consumption digital temperature sensor, and sensor adopts the epoxy resin insulation material casting, is installed in bus row place, comes the temperature sensor of each phase bus of gating through the numerical control analog switch.Problem to the high pressure isolation; The same noble potential of monitoring device and point for measuring temperature place, the monitor working power can not be supplied with from the outside, so be employed in quick-magnetic saturated current transformer is installed on the major loop; Utilize magnetic saturation principle unshakable in one's determination; Through suitably choosing core section, be installed in the major loop, for the temperature rise monitoring device provides power supply.The temperature detection slave computer is sent to infrared receiving module through the infrared communication mode with data with the temperature signal that collects, and infrared receiving module is sent to data on the master control computer of host computer through RS485 communication; The monitoring personnel just can not be in the action like this; Only need can accomplish temperature monitoring, in time find the issuable situation of cabinet, send warning through the master control computer to whole switch cubicle system; Accident is carried out anticipation, improved the reliability of power supply greatly.
referring to Fig. 1, the digital temperature sensor of the utility model thermometric is selected the DS18B20 digital temperature sensor of DALLAS company, is installed in switch cubicle bus row place.According to the configuration of switch cubicle, can increase the way of thermometric, increase requirements of different users, maximum monitoring way is 32 the tunnel.Each temperature probe DS18B20 uploads to the temperature detection slave computer through a line and processor two-way communication.Temperature detection slave computer power supply is supplied power through quick-magnetic saturated current transformer is installed on major loop, and back-up source also has been installed simultaneously, cuts off in order to major loop, prevents the monitoring system outage.
are referring to Fig. 2; Fig. 2 is the utility model temperature detection slave computer schematic block circuit diagram, and temperature sensor adopts DS18B20, adopts simulation numerical control switching gate digital temperature sensor; Have temperature display function, and temperature value is sent in the host computer through infrared communication.
The above is merely the preferred embodiment of the utility model
, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (7)
1. a novel switched cabinet temperature measuring equipment is characterized in that, comprises temperature sensor, temperature detection slave computer, power module, infrared transmission module, infrared receiving module and host computer; The transmit port jointing temp of said temperature sensor detects the transmit port of slave computer; The transmit port of said temperature detection slave computer connects the transmit port of infrared transmission module; The transmit port of said infrared receiving module connects the transmit port of host computer; Said power module provides working power for the temperature detection slave computer.
2. novel switched cabinet temperature measuring equipment according to claim 1 is characterized in that: said temperature detection slave computer comprises numerical control analog switch and MCU; The transmit port of numerical control analog switch connects the transmit port of MCU.
3. novel switched cabinet temperature measuring equipment according to claim 2 is characterized in that: said temperature sensor adopts the DS18B20 digital temperature sensor.
4. novel switched cabinet temperature measuring equipment according to claim 3, it is characterized in that: the transmit port of said infrared receiving module is joined through the transmit port of RS485 and host computer.
5. novel switched cabinet temperature measuring equipment according to claim 4, it is characterized in that: said temperature sensor is provided with the epoxy resin insulation material layer outward.
6. novel switched cabinet temperature measuring equipment according to claim 5 is characterized in that: said power module adopts the quick-magnetic saturated current transformer that is fitted to major loop; Said quick-magnetic saturated current transformer provides working power for the temperature detection slave computer, is in noble potential together to realize temperature detection slave computer and switch cubicle bus.
7. novel switched cabinet temperature measuring equipment according to claim 6, it is characterized in that: said power module comprises the standby power supply part; Said standby power supply partly provides working power for the temperature detection slave computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205118853U CN202329875U (en) | 2011-12-09 | 2011-12-09 | Novel switch cabinet temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205118853U CN202329875U (en) | 2011-12-09 | 2011-12-09 | Novel switch cabinet temperature measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202329875U true CN202329875U (en) | 2012-07-11 |
Family
ID=46441853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205118853U Expired - Fee Related CN202329875U (en) | 2011-12-09 | 2011-12-09 | Novel switch cabinet temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202329875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519626A (en) * | 2011-12-09 | 2012-06-27 | 沈阳工业大学 | Novel temperature measuring device for switch cabinet |
-
2011
- 2011-12-09 CN CN2011205118853U patent/CN202329875U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519626A (en) * | 2011-12-09 | 2012-06-27 | 沈阳工业大学 | Novel temperature measuring device for switch cabinet |
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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: 20120711 Termination date: 20141209 |
|
| EXPY | Termination of patent right or utility model |