CN201063112Y - Temperature controller - Google Patents
Temperature controller Download PDFInfo
- Publication number
- CN201063112Y CN201063112Y CNU2007201700891U CN200720170089U CN201063112Y CN 201063112 Y CN201063112 Y CN 201063112Y CN U2007201700891 U CNU2007201700891 U CN U2007201700891U CN 200720170089 U CN200720170089 U CN 200720170089U CN 201063112 Y CN201063112 Y CN 201063112Y
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- circuit
- electrically connected
- temperature controller
- power unit
- wave filtering
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Abstract
The utility model discloses a temperature controller, which is used in the field of heating ventilation and air conditioning and comprises a calculating control part. The calculating control part is respectively and electrically connected with a temperature detecting part, a displaying pat and a controlling output part. The calculating control part, the temperature detecting part and the controlling output part are respectively and electrically connected with a power part; the power part comprises a first rectifier and filter, a switching circuit and a second rectifier and filter which are connected with each other in parallel and in sequence; an output end of the second rectifier and filter is electrically connected with an input end of a feedback controlling circuit, of which an output end is electrically connected with an input end of the switching circuit. The temperature controller of the utility model cancels a linear transformer in the power part, adds the switching circuit and the feedback controlling circuit, remarkably reduces the volume and the weight of the temperature controller, decreases the production and transportation cost, improves the efficiency of the power part and can select the power in a relatively wide voltage range.
Description
Technical field
The utility model relates to a kind of temperature controller, particularly a kind of temperature controller that is applied to field of heating ventilation air conditioning.
Background technology
Relate to temperature controlled field at Heating,Ventilating and Air Conditioning (HVAC) and other and often need the application of temperature controller.
Please refer to Fig. 1, Fig. 1 is the block scheme of the temperature controller of prior art.
The temperature controller of prior art comprises the temperature detection part 11 of testing environment temperature, and temperature detection part 11 is electrically connected s operation control part 12, and the result of its detection is passed to s operation control part 12.S operation control part 12 is electrically connected display part 13, and the testing result of temperature detection part 11 is passed to display part 13.S operation control part 12 also is electrically connected control output 14, and according to the testing result of temperature detection part 11 instruction is passed to control output 14.Temperature detection part 11, s operation control part 12 and control output 14 all are electrically connected with power unit 15 and are powered by power unit 15.
The power unit 15 of the warm degree controller of prior art comprises linear transformer 151, rectification circuit 152 and the filtering circuit 153 of series connection successively.The input end of linear transformer 151 connects power supply, and the power supply input is exported by power unit 15 after transformation, rectifying and wave-filtering successively.
Because the power unit 15 of the warm degree controller of prior art has comprised that volume is big, the heavier linear transformer 151 of weight,, increased the cost of making and transporting so the volume of the temperature controller integral body of prior art is big, weight is also heavier.Simultaneously, owing to have no-load current in the linear transformer 151, this has significantly reduced the efficient of warm degree controller power source part 15.Moreover, the existence of linear transformer 151, the output voltage that makes power unit 15 is linear variation with the variation of input voltage, so the output voltage of power unit 15 changes also greatly, causes the warm degree controller of prior art to select power supply in narrower voltage range.
The utility model content
The purpose of this utility model is to provide a kind of temperature regulator that is applied to field of heating ventilation air conditioning, and it has lighter weight and smaller volume, higher power-efficient, and can select power supply in the voltage range of broad.
For solving the problems of the technologies described above, the utility model provides a kind of temperature controller, be used for field of heating ventilation air conditioning, comprise temperature detection part, described temperature detection part partly is electrically connected with s operation control so that its testing result is passed to the s operation control part, described s operation control part is electrically connected so that described testing result is passed to the display part with the display part, described s operation control part is electrically connected so that according to described testing result instruction is passed to the control output with the control output, described temperature detection part, s operation control part and control output are electrically connected with power unit, described power unit comprises first current rectifying and wave filtering circuit of connecting successively according to current direction, on-off circuit, second current rectifying and wave filtering circuit, the output terminal of described second current rectifying and wave filtering circuit connects the input end of feedback control circuit, and the output terminal of described feedback control circuit is electrically connected the input end of described on-off circuit.
Preferably, described power unit further comprises the buffer circuit between the input end of the output terminal that is connected electrically in described on-off circuit and second current rectifying and wave filtering circuit.
Preferably, described buffer circuit is a high-frequency transformer.
Relative above-mentioned background technology, temperature controller provided by the utility model has been cancelled linear transformer at its power unit, and has increased on-off circuit and feedback control circuit.Because the weight of on-off circuit and feedback control circuit is light, volume is less, significantly reduced the volume and weight of described temperature controller, reduced production and transportation cost.Simultaneously, because on-off circuit adopts switch concussion working method, the thermal losses of power unit is significantly reduced, the efficient of the power unit of described temperature controller significantly improves.Moreover on-off circuit can be adjusted dutycycle automatically by feedback signal, and the fluctuation that has significantly reduced input voltage makes described warm degree controller select power supply in the voltage range of broad to the influence that output voltage produced.
Description of drawings
Fig. 1 is the structural representation of the temperature controller of prior art;
Fig. 2 is the structural representation of first kind of embodiment of temperature controller described in the utility model;
Fig. 3 is the structural representation of second kind of embodiment of temperature controller described in the utility model.
Embodiment
The utility model core provides a kind of temperature regulator that is applied to field of heating ventilation air conditioning, and it has lighter weight and smaller volume, higher power-efficient, and can select power supply in the voltage range of broad.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 2 is the structural representation of first kind of embodiment of temperature controller described in the utility model.
In first kind of embodiment of temperature controller described in the utility model, temperature controller comprises temperature detection part 21, and temperature detection part 21 is electrically connected s operation control part 22, and the result of its detection is passed to s operation control part 22.S operation control part 22 is electrically connected display part 23, and the testing result of temperature detection part 21 is passed to display part 23.S operation control part 22 further is electrically connected control output 24, and according to the testing result of temperature detection part 21 instruction is passed to control output 24.Temperature detection part 21, s operation control part 22 and control output 24 all are electrically connected with power unit 25 and are powered by power unit 25.
The alternating current that is provided by power supply at first flows into current rectifying and wave filtering circuit 251, and by rectification, filtering, becomes direct current comparatively stably.Then, described direct current comparatively stably flows into on-off circuit 253, and on-off circuit 253 conducting intermittently is to second current rectifying and wave filtering circuit, 253 input pulse electric currents.253 pairs of pulse current rectification, filtering of being flowed out by on-off circuit 252 of second current rectifying and wave filtering circuit obtain satisfactory direct current.Simultaneously, feedback control circuit 254 is the voltage and the predetermined target voltage of the 253 actual outputs of second current rectifying and wave filtering circuit relatively, difference according to both is sent control signal to on-off circuit 252, adjust the ON time or the turn-on frequency of on-off circuit 252, thereby constantly adjust the output voltage of power unit 25, it is met the requirements.
Above-mentioned relatively prior art, temperature controller provided by the utility model has been cancelled linear transformer 151 at its power unit 25, and has increased on-off circuit 252 and feedback control circuit 254.Because the weight of on-off circuit 252 and feedback control circuit 254 is light, volume is less, significantly reduced the volume and weight of described temperature controller, reduced production and transportation cost.Simultaneously, because on-off circuit 252 adopts switch concussion working method, the thermal losses of power unit 25 is significantly reduced, the efficient of the power unit 25 of described temperature controller significantly improves.Moreover, on-off circuit 252 can be adjusted dutycycle automatically by feedback signal, the fluctuation that has significantly reduced input voltage is to interference that output voltage produced, make described warm degree controller in the voltage range of broad, select power supply, thereby go for the system of AC85V-220V power supply, with the line voltage that is applicable to that country variant and interzone differ greatly.
Please refer to Fig. 3, Fig. 3 is the structural representation of second kind of embodiment of temperature controller described in the utility model.
Compare with above-mentioned first kind of embodiment, the improvement of temperature controller is power unit in second kind of embodiment of temperature controller described in the utility model.In this embodiment, power unit 25 comprises that the input end of first current rectifying and wave filtering circuit, 251, the first current rectifying and wave filtering circuits 251 is electrically connected with power supply.The output terminal of first current rectifying and wave filtering circuit 251 is electrically connected with the input end of on-off circuit 252.The output terminal of on-off circuit 252 is electrically connected the input end of buffer circuit 255, and buffer circuit 255 is used to isolate the voltage of input and output power unit 25.Buffer circuit 255 specifically can be a high-frequency transformer.The output terminal of buffer circuit 255 is electrically connected second current rectifying and wave filtering circuit 253.Power unit 25 further comprises feedback control circuit 254, the input end of feedback control circuit 254 connects the output terminal of second current rectifying and wave filtering circuit 253, and the voltage of second current rectifying and wave filtering circuit 253 output sampled, the output terminal of feedback control circuit 254 is electrically connected the input end of on-off circuit 252.The output terminal of second current rectifying and wave filtering circuit 253 is the output terminal of power unit 25.
Second kind of temperature controller that embodiment provided of temperature controller described in the utility model, between the on-off circuit 252 of power unit 25 and second current rectifying and wave filtering circuit 253, increased buffer circuit 255, buffer circuit 255 can play the effect of isolating input and output voltage in circuit, therefore weak current part thereafter can be not charged, strengthened the security of entire circuit.
More than the temperature controller that is used for field of heating ventilation air conditioning provided by the utility model is described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (3)
1. temperature controller, be used for field of heating ventilation air conditioning, comprise temperature detection part, described temperature detection part partly is electrically connected with s operation control so that its testing result is passed to the s operation control part, described s operation control part is electrically connected so that described testing result is passed to the display part with the display part, described s operation control part is electrically connected so that according to described testing result instruction is passed to the control output with the control output, described temperature detection part, s operation control part and control output are electrically connected with power unit, it is characterized in that, described power unit comprises first current rectifying and wave filtering circuit of connecting successively according to current direction, on-off circuit, second current rectifying and wave filtering circuit, the output terminal of described second current rectifying and wave filtering circuit connects the input end of feedback control circuit, and the output terminal of described feedback control circuit is electrically connected the input end of described on-off circuit.
2. temperature controller as claimed in claim 1 is characterized in that, described power unit further comprises the buffer circuit between the input end of the output terminal that is connected electrically in described on-off circuit and second current rectifying and wave filtering circuit.
3. temperature controller as claimed in claim 2 is characterized in that, described buffer circuit is a high-frequency transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201700891U CN201063112Y (en) | 2007-08-07 | 2007-08-07 | Temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201700891U CN201063112Y (en) | 2007-08-07 | 2007-08-07 | Temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063112Y true CN201063112Y (en) | 2008-05-21 |
Family
ID=39451495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201700891U Expired - Fee Related CN201063112Y (en) | 2007-08-07 | 2007-08-07 | Temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063112Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607104A (en) * | 2011-12-31 | 2012-07-25 | 海信科龙电器股份有限公司 | Air conditioner with wide voltage range |
| CN114779027A (en) * | 2022-05-18 | 2022-07-22 | 四川大学 | PDIV testing device and method capable of achieving intelligent temperature rise |
-
2007
- 2007-08-07 CN CNU2007201700891U patent/CN201063112Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607104A (en) * | 2011-12-31 | 2012-07-25 | 海信科龙电器股份有限公司 | Air conditioner with wide voltage range |
| CN102607104B (en) * | 2011-12-31 | 2014-01-01 | 海信科龙电器股份有限公司 | Air conditioner with wide voltage range |
| CN114779027A (en) * | 2022-05-18 | 2022-07-22 | 四川大学 | PDIV testing device and method capable of achieving intelligent temperature rise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20120807 |