CN203826951U - Grounding circuit for temperature controller of temperature-controllable jade bed - Google Patents
Grounding circuit for temperature controller of temperature-controllable jade bed Download PDFInfo
- Publication number
- CN203826951U CN203826951U CN201420199723.4U CN201420199723U CN203826951U CN 203826951 U CN203826951 U CN 203826951U CN 201420199723 U CN201420199723 U CN 201420199723U CN 203826951 U CN203826951 U CN 203826951U
- Authority
- CN
- China
- Prior art keywords
- potentiometer
- temperature
- current
- temperature controller
- thermostat
- 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
- 239000010977 jade Substances 0.000 title claims abstract description 11
- 239000005030 aluminium foil Substances 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
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- Control Of Temperature (AREA)
Abstract
The utility model relates to a temperature controller, belonging to the field of temperature control products. In a grounding circuit for a temperature controller of a temperature-controllable jade bed, a zero line is connected to a first fixed terminal of a potentiometer through a current-limiting resistor; a live line is connected to a second fixed terminal of the potentiometer through a current-limiting resistor; a sliding terminal of the potentiometer is connected to an aluminium foil through a detection switch and directly grounded; the detection switch is also connected with a current-limiting resistor and grounded; and the sliding terminal of the potentiometer is also connected with a temperature controller panel through a current-limiting resistor. By using the grounding circuit provided by the utility model, static electricity generated when the temperature controller is touched by a human hand is prevented, and radiation is reduced.
Description
Technical field
The utility model relates to a kind of thermostat, particularly a kind of earthed circuit of the thermostat for temperature-control jade bed.
Background technology
The earthed circuit of the existing thermostat for temperature-control jade bed, at the state of thermostat energising work, the surface that staff touches thermostat can produce static often, and radiation is larger.
Summary of the invention
The purpose of this utility model, is to provide a kind of and prevents that thermostat surface electrostatic from can reduce the earthed circuit of the thermostat for temperature-control jade bed of radiation simultaneously.
The purpose of this utility model is achieved in that the earthed circuit for the thermostat of temperature-control jade bed, it is characterized in that: zero line connects the first stiff end of potentiometer by current-limiting resistance, live wire connects the second stiff end of potentiometer by current-limiting resistance, the sliding end of potentiometer connects the direct ground connection of aluminium foil cloth by sense switch, after sense switch, be also connected with current-limiting resistance ground connection, the sliding end of described potentiometer is also connected with temperature controller panel by current-limiting resistance simultaneously.
Described sense switch is set to normally closed switch, when detection, opens and uses.
The utility model is for the earthed circuit of the thermostat of temperature-control jade bed, owing to having accessed potentiometer, by the sliding end of regulator potentiometer, make the sliding end of potentiometer approach zero with respect to the electrical potential difference on ground, while having prevented the shell of staff touching thermostat, produce static, and reduced radiation.
Brief description of the drawings
Fig. 1 is that Fig. 1 is a kind of embodiment workflow schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1, the utility model is a kind of earthed circuit of the thermostat for temperature-control jade bed, one end of zero line N connecting resistance R3, the stiff end 1 of another termination potentiometer RP of resistance R 3, one end of live wire L connecting resistance R5, the stiff end 2 of another termination potentiometer RP of resistance R 5, the sliding end 3 of potentiometer RP connects one end of K switch and one end of resistance R 2, one end and the aluminium foil cloth of the other end resistance R 4 of K switch, one end of another termination load RL of resistance R 2, one end of the other end connecting resistance R1 of load RL, another termination temperature controller shell of resistance R 1.
Wherein, the resistance of resistance R 1 is 470K Ω, and the resistance of resistance R 2 is 100K Ω, and the resistance of resistance R 3 and R5 is 450 Ω, and the resistance of resistance R 5 is 5M Ω, and the resistance of potentiometer RP is 1M Ω.
The sliding end 3 of regulator potentiometer RP, while making thermostat energising work, the sliding end 3 of potentiometer RP approaches zero with respect to the electrical potential difference of earth terminal, electrical potential difference between sliding end 3 and the temperature controller shell of potentiometer RP also approaches zero, so do not have electric current to produce between the sliding end 3 of potentiometer RP and temperature controller shell.
Claims (2)
1. the earthed circuit for the thermostat of temperature-control jade bed, it is characterized in that: zero line connects the first stiff end of potentiometer by current-limiting resistance, live wire connects the second stiff end of potentiometer by current-limiting resistance, the sliding end of potentiometer connects the direct ground connection of aluminium foil cloth by sense switch, after sense switch, be also connected with current-limiting resistance ground connection, the sliding end of described potentiometer is also connected with temperature controller panel by current-limiting resistance simultaneously.
2. the earthed circuit of the thermostat for temperature-control jade bed according to claim 1, is characterized in that: described sense switch is set to normally closed switch, when detection, opens and uses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199723.4U CN203826951U (en) | 2014-04-23 | 2014-04-23 | Grounding circuit for temperature controller of temperature-controllable jade bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420199723.4U CN203826951U (en) | 2014-04-23 | 2014-04-23 | Grounding circuit for temperature controller of temperature-controllable jade bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203826951U true CN203826951U (en) | 2014-09-10 |
Family
ID=51482414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420199723.4U Expired - Fee Related CN203826951U (en) | 2014-04-23 | 2014-04-23 | Grounding circuit for temperature controller of temperature-controllable jade bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203826951U (en) |
-
2014
- 2014-04-23 CN CN201420199723.4U patent/CN203826951U/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 | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Jiaxing City, Zhejiang province Jiashan County town 314100 cloud cloud temple road No. 576 Patentee after: JIAXING FUQIDUO THERMAL BED Co.,Ltd. Address before: Jiaxing City, Zhejiang province 314100 Jiashan County town of Linghai Dayun Road No. 288 building 1-2 Patentee before: JIAXING FUQIDUO THERMAL BED Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |