CN201885820U - Multifunctional winding temperature controller - Google Patents
Multifunctional winding temperature controller Download PDFInfo
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- CN201885820U CN201885820U CN2010206186389U CN201020618638U CN201885820U CN 201885820 U CN201885820 U CN 201885820U CN 2010206186389 U CN2010206186389 U CN 2010206186389U CN 201020618638 U CN201020618638 U CN 201020618638U CN 201885820 U CN201885820 U CN 201885820U
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Abstract
The utility model relates to a multifunctional winding temperature controller which comprises an elastic element, a Pt100 resistance signal output terminal, a current signal output terminal, four groups of large-power switches and a power supply module that are connected with a thermal bulb. The elastic element is connected with a control end of a linear displacement potentionmeter by an ejector rob, and a signal output end of the linear displacement potentionmeter is connected with the current signal output terminal by a current module. A pull rod is connected on the ejector rod, the other end of the pull rod is connected with a control end of a rotary potentionmeter, and a signal output end of the rotary potentionmeter is connected with the Pt100 resistance signal output terminal. The multifunctional winding temperature controller is additionally provided with the linear displacement potentionmeter and the current module to form a set of current conversion system so as to realize current signal output, so that the winding temperature controller not only is provided with the large-power control switch, but also can convert a temperature signal into multichannel simulated signal for output, therefore, the controller is convenient to use and meet the needs for temperature measurement of large and middle transformer windings.
Description
Technical field
The utility model relates to a kind of instrument of measuring transformer winding temperature, the multi-functional winding temperature controller that relates in particular to a kind of high-power control, has multichannel to export.
Background technology
The winding temperature controller is the instrument of measurement and control transformer winding temperature.Measure the winding temperature instrument at present and be divided into two big classes: first kind winding temperature gage, be characterized in having 4 groups of high power switchs, its capacity can reach AC250V/15A, exports but be subjected to structural limitations temperature signal can only be converted to a kind of simulating signal; The second class winding temperature gage can convert temperature signal to multichannel analog signals output, but be subjected to structural limitations equally, and its contact capacity can only be accomplished AC250V/5A.Therefore also promptly do not have at present powerful gauge tap, temperature signal can be converted to the thermometric instrument that multichannel analog signals is exported again, use inconvenience, can not satisfy the thermometric needs of large and medium-sized Transformer Winding.
Summary of the invention
The utility model mainly solves original transformer winding temperature gage and is subjected to structural limitations can not have high-power gauge tap concurrently and multichannel analog signals is exported, and uses inconveniently, can not satisfy the technical matters of the thermometric needs of large and medium-sized Transformer Winding; Provide a kind of and not only had powerful gauge tap, but also temperature signal can be converted to multichannel analog signals output, easy to use, satisfy the multi-functional winding temperature controller of the thermometric needs of large and medium-sized Transformer Winding.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model comprises the flexible member that links to each other with thermometer bulb, Pt100 resistance signal lead-out terminal and four groups of high power switchs and the power module that operating voltage is provided for whole multi-functional winding temperature controller, also comprise a straight-line displacement potentiometer and one group of current signal output end, the control end of straight-line displacement potentiometer links to each other with described flexible member by push rod, the signal output part of straight-line displacement potentiometer links to each other with the input end of current module, and the output terminal of current module links to each other with described current signal output end.When tested Transformer Winding temperature rises, the control end that push rod on the flexible member promotes the straight-line displacement potentiometer makes it produce a displacement, change the resistance of straight-line displacement potentiometer, this resistance signal converts current signal to through current module, by the output of current signal output end, make the current signal and the Transformer Winding temperature of output change synchronously.Make the utility model not only have powerful gauge tap, but also temperature signal can have been converted to multichannel analog signals output, easy to use, satisfy the thermometric needs of large and medium-sized Transformer Winding.
As preferably, be connected with pull bar on the described push rod, the other end of pull bar links to each other with the control end of a rotational potentiometer, and the signal output part of rotational potentiometer links to each other with described Pt100 resistance signal lead-out terminal.When temperature rises, the promotion of push rod drives the pull bar rotation, pull bar driven rotary potentiometer produces an angular displacement, thereby change the resistance of rotational potentiometer, this resistance signal is by the output of Pt100 resistance signal lead-out terminal, and the resistance signal of feasible output changes with the variation of transformer winding temperature.
As preferably, described flexible member is a corrugated tube, and corrugated tube links to each other with described thermometer bulb by kapillary.
As preferably, described power module comprises rectification filtering unit, modulation control module, high-frequency transformer, rectification output unit and the DC/DC converting unit that links to each other successively, the feedback signal of described high-frequency transformer links to each other with described modulation control module again, and the DC/DC converting unit is output as described current module operating voltage is provided.The utility model working power AC/DC universal, working power adopt pulse width modulation integrated monolithic switching power circuit, have fixing switching frequency, regulate dutycycle by the regulating impulse width, thereby reach the purpose of control output voltage.When the scene exchanges or direct supply when inserting power module, through the filter rectification unit, modulation control module, high-frequency transformer, rectification output unit and DC/DC converting unit provide operating voltage to current module.
As preferably, the output current signal of described current signal output end is DC4～20mA, and the input voltage of described power module is AC100～240V or DC100～300V.
The beneficial effects of the utility model are: have four groups of high power switchs originally and have on the basis of Pt100 resistance signal output by set up the straight-line displacement potentiometer, current module constitutes a cover current conversion system, the output of realization current signal, make the winding temperature controller not only have powerful gauge tap, but also temperature signal can have been converted to multichannel analog signals output, easy to use, satisfy the thermometric needs of large and medium-sized Transformer Winding.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is a kind of schematic block circuit diagram of power module in the utility model.
1. flexible members among the figure, 2. Pt100 resistance signal lead-out terminal, 3. power module, 4. straight-line displacement potentiometer, 5. current signal output end, 6. push rod, 7. current module, 8. pull bar, 9. rotational potentiometer, 10. kapillary, 11. thermometer bulbs, 31. rectification filtering units, 32. modulation control module, 33. high-frequency transformer, 34. rectification output units, 35.DC/DC converting unit.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the multi-functional winding temperature controller of present embodiment, as shown in Figure 1, comprise flexible member 1, straight-line displacement potentiometer 4, rotational potentiometer 9 and one group of Pt100 resistance signal lead-out terminal 2, one group of current signal output end 5, four groups of AC250/15A high power switchs and the power module 3 that operating voltage is provided for whole multi-functional winding temperature controller.Flexible member 1 adopts corrugated tube in the present embodiment, one end of corrugated tube links to each other with the thermometer bulb 11 of gathering the Transformer Winding temperature by kapillary 10, the other end of corrugated tube links to each other by the control end of push rod 6 and straight-line displacement potentiometer 4, the signal output part of straight-line displacement potentiometer 4 links to each other with the input end of current module 7, and the output terminal of current module 7 links to each other with current signal output end 5.Push rod 6 and flexible member 1 are vertical setting, are connected with the pull bar 8 of a horizontally set on the push rod 6, and the other end of pull bar 8 links to each other with the control end of rotational potentiometer 9, and the signal output part of rotational potentiometer 9 links to each other with Pt100 resistance signal lead-out terminal 2.As shown in Figure 2, in the present embodiment, power module 3 comprises rectification filtering unit 31, modulation control module 32, high-frequency transformer 33, rectification output unit 34 and the DC/DC converting unit 35 that links to each other successively, the feedback signal of high-frequency transformer 33 links to each other with modulation control module 32 again, and DC/DC converting unit 35 is output as current module 7 operating voltage is provided.In the present embodiment, the output current signal of current signal output end 5 is DC4～20mA, and the input voltage of power module 3 is AC100～240V or DC100～300V.The straight-line displacement potentiometer can adopt 8ELP10A straight-line displacement potentiometer, and its micron order independent linearity is ± 0.1%, and electric stroke is 11 ± 0.5mm, and power is 0.2W.Rotational potentiometer can adopt the F25REB rotational potentiometer.
Working power AC/DC universal of the present utility model, working power adopt pulse width modulation integrated monolithic switching power circuit, have fixing switching frequency, regulate dutycycle by the regulating impulse width, thereby reach the purpose of control output voltage.When the scene exchanges or direct supply when inserting power module, through the filter rectification unit, modulation control module, high-frequency transformer, rectification output unit and DC/DC converting unit provide operating voltage to current module.When tested Transformer Winding temperature rises, the control end that push rod on the flexible member promotes the straight-line displacement potentiometer makes it produce a displacement, change the resistance of straight-line displacement potentiometer, this resistance signal converts current signal to through current module, by the output of current signal output end, make the current signal and the Transformer Winding temperature of output change synchronously.Simultaneously, when tested Transformer Winding temperature rises, the promotion of push rod drives the pull bar rotation, pull bar driven rotary potentiometer produces an angular displacement, thereby change the resistance of rotational potentiometer, this resistance signal is by the output of Pt100 resistance signal lead-out terminal, and the resistance signal of feasible output changes with the variation of transformer winding temperature.
Working power AC/DC universal of the present utility model had not only had powerful gauge tap, but also temperature signal can have been converted to multichannel analog signals output, and was easy to use, satisfied the thermometric needs of large and medium-sized Transformer Winding.
Claims (5)
1. multi-functional winding temperature controller, comprise the flexible member (1) that links to each other with thermometer bulb, Pt100 resistance signal lead-out terminal (2) and four groups of high power switchs and the power module (3) that operating voltage is provided for whole multi-functional winding temperature controller, it is characterized in that also comprising a straight-line displacement potentiometer (4) and one group of current signal output end (5), the control end of straight-line displacement potentiometer (4) links to each other with described flexible member (1) by push rod (6), the signal output part of straight-line displacement potentiometer (4) links to each other with the input end of current module (7), and the output terminal of current module (7) links to each other with described current signal output end (5).
2. multi-functional winding temperature controller according to claim 1, it is characterized in that being connected with on the described push rod (6) pull bar (8), the other end of pull bar (8) links to each other with the control end of a rotational potentiometer (9), and the signal output part of rotational potentiometer (9) links to each other with described Pt100 resistance signal lead-out terminal (2).
3. multi-functional winding temperature controller according to claim 1 and 2 is characterized in that described flexible member (1) is a corrugated tube, and corrugated tube links to each other with described thermometer bulb (11) by kapillary (10).
4. multi-functional winding temperature controller according to claim 1 and 2, it is characterized in that described power module (3) comprises rectification filtering unit (31), modulation control module (32), high-frequency transformer (33), rectification output unit (34) and the DC/DC converting unit (35) that links to each other successively, the feedback signal of described high-frequency transformer (33) links to each other with described modulation control module (32) again, and DC/DC converting unit (35) is output as described current module (7) operating voltage is provided.
5. multi-functional winding temperature controller according to claim 4, the output current signal that it is characterized in that described current signal output end (5) is DC4～20mA, and the input voltage of described power module (3) is AC100～240V or DC100～300V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206186389U CN201885820U (en) | 2010-11-23 | 2010-11-23 | Multifunctional winding temperature controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206186389U CN201885820U (en) | 2010-11-23 | 2010-11-23 | Multifunctional winding temperature controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885820U true CN201885820U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206186389U Expired - Lifetime CN201885820U (en) | 2010-11-23 | 2010-11-23 | Multifunctional winding temperature controller |
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| Country | Link |
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| CN (1) | CN201885820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645287A (en) * | 2012-05-15 | 2012-08-22 | 无锡艾柯威科技有限公司 | Motor winding temperature rise detection method |
| CN110706567A (en) * | 2019-10-19 | 2020-01-17 | 上海图菱新能源科技有限公司 | Remote and automatic experiment implementation system and control method |
-
2010
- 2010-11-23 CN CN2010206186389U patent/CN201885820U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645287A (en) * | 2012-05-15 | 2012-08-22 | 无锡艾柯威科技有限公司 | Motor winding temperature rise detection method |
| CN102645287B (en) * | 2012-05-15 | 2013-11-27 | 无锡艾柯威科技有限公司 | Motor winding temperature rise detection method |
| CN110706567A (en) * | 2019-10-19 | 2020-01-17 | 上海图菱新能源科技有限公司 | Remote and automatic experiment implementation system and control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |