CN203217293U - Switch cabinet temperature control instrument - Google Patents
Switch cabinet temperature control instrument Download PDFInfo
- Publication number
- CN203217293U CN203217293U CN 201320203279 CN201320203279U CN203217293U CN 203217293 U CN203217293 U CN 203217293U CN 201320203279 CN201320203279 CN 201320203279 CN 201320203279 U CN201320203279 U CN 201320203279U CN 203217293 U CN203217293 U CN 203217293U
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- CN
- China
- Prior art keywords
- microprocessor
- testing circuit
- circuit group
- temperature control
- control instrument
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The utility model relates to a switch cabinet temperature control instrument which is characterized in that a detection circuit group comprises a number of secondary detection circuit groups, wherein each secondary detection circuit group comprises a pair of detection circuits detecting the temperature of the same place, each secondary detection circuit group is respectively connected with a secondary microprocessor, secondary microprocessors are connected with a microprocessor, the output end of the microprocessor is respectively connected with a motion switch and a communication module, and electricity of the microprocessor and the secondary microprocessors is supplied by a power source module. The secondary detection circuit groups are adopted and each pair of the detection circuits detect the same place, input values of each pair of two detection circuits are subjected to data comparison through one secondary microprocessor, a more accurate numerical value between the two input values is transmitted to the microprocessor, and therefore detection circuits are improved in accuracy, and tolerable error rate is also improved.
Description
Technical field
The utility model relates to a kind of temperature control instrument of switch cubicle, is specifically related to a kind of temperature control instrument of switch cubicle.
Background technology
Temperature control instrument of the prior art all is to adopt testing circuit that tested measuring point is detected earlier, carrying out logic by microprocessor then judges, and then operated by step switch, detecting error but testing circuit so also can usually occur, maloperation appears.
The utility model content
In order to overcome disadvantages of background technology, the utility model provides a kind of temperature control instrument of switch cubicle.
The technical scheme that the utility model adopts is:
A kind of temperature control instrument of switch cubicle, comprise testing circuit group and microprocessor, it is characterized in that: described testing circuit group comprises the testing circuit group some groups times, described testing circuit group comprises the testing circuit of a pair of detection same position place temperature, described every group testing circuit group all connects respectively to one microprocessor, described time microprocessor connects to microprocessor, the output terminal of described microprocessor connects respectively to step switch and communication module, and described microprocessor and time microprocessor are powered by power module.
Described step switch comprises thyristor voltage regulator and alarm.
Described communication module is followed successively by MAX485 interface chip and RS485 communication module from microprocessor output.
Described power module comprises input power supply and 12VDC transformer successively.
The beneficial effects of the utility model are: owing to adopt time testing circuit group, be that a pair of testing circuit detects same position, then the input value of two testing circuits is carried out the data contrast through time microprocessor earlier, to compare more between the two, accurate values passes on the microprocessor, improve the accurate of testing circuit like this, improved serious forgiveness.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described further:
As shown in Figure 1, a kind of temperature control instrument of switch cubicle, comprise testing circuit group and microprocessor, it is characterized in that: described testing circuit group comprises the testing circuit group some groups times, described testing circuit group comprises the testing circuit of a pair of detection same position place temperature, described every group testing circuit group all connects respectively to one microprocessor, described time microprocessor connects to microprocessor, the output terminal of described microprocessor connects respectively to step switch and communication module, and described microprocessor and time microprocessor are powered by power module.
Described step switch comprises thyristor voltage regulator and alarm.
Described communication module is followed successively by MAX485 interface chip and RS485 communication module from microprocessor output.
Described power module comprises input power supply and 12VDC transformer successively.
The beneficial effects of the utility model are: owing to adopt time testing circuit group, be that a pair of testing circuit detects same position, then the input value of two testing circuits is carried out the data contrast through time microprocessor earlier, to compare more between the two, accurate values passes on the microprocessor, improve the accurate of testing circuit like this, improved serious forgiveness.
Claims (4)
1. the temperature control instrument of a switch cubicle, comprise testing circuit group and microprocessor, it is characterized in that: described testing circuit group comprises the testing circuit group some groups times, described testing circuit group comprises the testing circuit of a pair of detection same position place temperature, described every group testing circuit group all connects respectively to one microprocessor, described time microprocessor connects to microprocessor, the output terminal of described microprocessor connects respectively to step switch and communication module, and described microprocessor and time microprocessor are powered by power module.
2. the temperature control instrument of a kind of switch cubicle according to claim 1, it is characterized in that: described step switch comprises thyristor voltage regulator and alarm.
3. the temperature control instrument of a kind of switch cubicle according to claim 1 and 2 is characterized in that: described communication module is followed successively by MAX485 interface chip and RS485 communication module from microprocessor output.
4. the temperature control instrument of a kind of switch cubicle according to claim 1 and 2 is characterized in that: described power module comprises input power supply and 12VDC transformer successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203279 CN203217293U (en) | 2013-04-03 | 2013-04-03 | Switch cabinet temperature control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203279 CN203217293U (en) | 2013-04-03 | 2013-04-03 | Switch cabinet temperature control instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203217293U true CN203217293U (en) | 2013-09-25 |
Family
ID=49206815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320203279 Expired - Fee Related CN203217293U (en) | 2013-04-03 | 2013-04-03 | Switch cabinet temperature control instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203217293U (en) |
-
2013
- 2013-04-03 CN CN 201320203279 patent/CN203217293U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20170403 |