CN205353230U - Steam turbine TSI axle shake signalling channel testing arrangement and test system - Google Patents
Steam turbine TSI axle shake signalling channel testing arrangement and test system Download PDFInfo
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- CN205353230U CN205353230U CN201521104994.8U CN201521104994U CN205353230U CN 205353230 U CN205353230 U CN 205353230U CN 201521104994 U CN201521104994 U CN 201521104994U CN 205353230 U CN205353230 U CN 205353230U
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- axle
- tsi
- signal generator
- steam turbine
- frequency
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Abstract
The utility model relates to a steam turbine TSI axle shake signalling channel testing arrangement and test system, test system include the last axle of TSI, the TSI fastener sum channel testing arrangement that shakes, and this passageway testing arrangement includes DC power supply and frequency signal generator, and DC power supply and frequency signal generator concatenate on a series connection circuit, and the both ends of series connection circuit are two outputs of this passageway testing arrangement, the shake binding post of fastener of two output connecting axles. The signal of this passageway testing arrangement output be DC signal and alternating current signal's superposed signal, and axle that current vortex formula sensor actually the gathered signal that shakes can be simulated well to this superposed signal, and this superposed signal is shaken the fastener through the axle and is inputed for TSI, and TSI shakes the passageway to this axle and detects, and then ensures that this axle shakes the passageway normally effectively. This device conveniently carries to simple structure.
Description
Technical field
This utility model relates to steam turbine TSI axle and shakes signalling channel test device and test system, belongs to steam turbine TSI axle and shakes signalling channel field tests.
Background technology
Current thermal power plant steam turbine is all configured with steam turbine security monitoring device (TSI), the security parameter of axle system when TSI is for monitoring continuously that steam turbine runs, it is ensured that steam turbine safety, economical, run reliably.Wherein, the parameter of supervision includes: rotating speed, overspeed protection, bias, axle shake.TSI includes various fastener, every kind of fastener is for receiving the safety signal of correspondence, such as: TSI includes axle and shakes fastener, eddy current sensor output connects axle and shakes the binding post of fastener, the axle fastener that shakes receives the axle of steam turbine that eddy current sensor transmission comes and shakes signal, and TSI is according to whether the axle the received signal determining steam turbine axle that shakes shakes normal.So, at present in debugging in newly-built fired power generating unit, signalling channel that steam turbine axle in steam turbine security monitoring device is shaken test is a necessary job, lane testing in order that determine whether this signalling channel can carry out normal transmission to information, whether checking steam turbine axle shakes and reports to the police and protect definite value correct, report to the police and whether protective loop action is correct, guarantee turbine shaft shake signal reach report to the police and protection act value after, the correct output warning of energy and protection act signal, but this work must complete before turbine rotor rotates and ensure that signal circuit is correct.Not a kind of next countershaft signalling channel of shaking of effective channel measuring apparatus is tested at present.
Utility model content
The purpose of this utility model is to provide steam turbine TSI axle and shakes signalling channel test device and test system.
For achieving the above object, scheme of the present utility model includes a kind of steam turbine TSI axle and shakes signalling channel test device, including DC source and frequency of signal generator, described DC source and described frequency of signal generator are serially connected on a series circuit, the two ends of described series circuit are two outfans of this channel measuring apparatus, and said two outfan shakes the binding post of fastener for connecting axle.
Described test device includes a control chamber, and described DC source and frequency of signal generator are installed in this control chamber.
On connection line between described DC source and described frequency of signal generator, string is provided with an interface unit.
Described DC source and described frequency of signal generator series aiding connection.
Described DC source and frequency of signal generator interval in described control chamber is arranged, and this control chamber is provided with two through holes, and two bars outlet lines are connected respectively said two outfan, and are passed by said two through hole correspondence.
A kind of steam turbine TSI axle shakes signalling channel test system, including TSI, and the axle on TSI shakes fastener, also include channel measuring apparatus, this channel measuring apparatus includes DC source and frequency of signal generator, described DC source and described frequency of signal generator are serially connected on a series circuit, and the two ends of described series circuit are two outfans of this channel measuring apparatus, and said two outfan connects described axle and shakes the binding post of fastener.
Described test device includes a control chamber, and described DC source and frequency of signal generator are installed in this control chamber.
On connection line between described DC source and described frequency of signal generator, string is provided with an interface unit.
Described DC source and described frequency of signal generator series aiding connection.
Described DC source and frequency of signal generator interval in described control chamber is arranged, and this control chamber is provided with two through holes, and two bars outlet lines are connected respectively said two outfan, and are passed by said two through hole correspondence.
The channel measuring apparatus that this utility model provides includes DC source and frequency of signal generator, wherein, DC source can send direct current signal, frequency of signal generator can send the signal of changeable frequency, can be understood as AC signal, DC source concatenates with frequency of signal generator, the superposed signal that signal is direct current signal and AC signal of this channel measuring apparatus described output, this superposed signal can simulate well eddy current sensor actual acquisition to axle shake signal, this superposed signal inputs to TSI by the axle fastener that shakes, TSI detects according to the superposed signal received this axle shaken passage, and then guarantee that this axle passage that shakes is normally effective.The signal that thus can steam turbine axle be shaken carries out lane testing, and this device is convenient for carrying, and simple in construction, saves cost, and, test process is simply uncomplicated, does not result in the instability of signal, time saving and energy saving, it is possible to be effectively improved work efficiency.
Accompanying drawing explanation
Fig. 1 is that shake signalling channel test device and axle of steam turbine TSI axle shakes the connection diagram of fastener.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Steam turbine TSI axle shake signalling channel test system embodiment
Thermal power plant's steam turbine TSI axle that this utility model provides signalling channel test system axle of including on TSI, TSI that shakes shakes fastener and a kind of thermal power plant steam turbine TSI axle shakes signalling channel test device, and axle signalling channel test device output of shaking connects axle and shakes the binding post of fastener.Owing to the fastener that shakes of the axle on TSI and TSI belongs to prior art, it is not detailed herein, below channel measuring apparatus is described in detail.
This channel measuring apparatus is equivalent to shake for the axle detecting steam turbine the eddy current sensor of signal, utilize the signal that channel measuring apparatus exports to simulate the actual signal measuring steam turbine rotor oscillation of eddy current sensor, and this signal is exported the binding post of the fastener that shakes to axle, TSI carries out the test of passage according to the signal that this channel measuring apparatus sends.
As shown in Figure 1, this test device mainly includes a 9VDC dc-battery 4 and frequency of signal generator 6, this 9VDC dc-battery is supporting is provided with interface unit 2, for connecting outlet line, this interface unit 2 has two binding posts, the positive and negative terminals of corresponding battery, wherein, the negative pole circuit 3 of battery is connected to one end of interface unit 8, the positive pole circuit 5 of frequency of signal generator 6 is connected to the other end of interface unit 8, is realized the positive pole of the negative pole rate of connections signal generator 6 of 9VDC dc-battery 4 by this interface unit 8.9VDC dc-battery 4 and frequency of signal generator 6 can be made to be easy to separate by interface unit 8, when a device breaks down, can realize changing device, easy maintenance and replacement by disconnecting in one end of interface unit 8.It addition, in order to illustrate, the present embodiment provides the concrete model ALTEK941 of a kind of frequency of signal generator.
The positive pole of 9VDC dc-battery 4 and negative pole is this test device the two of frequency of signal generator 6 outfans, the positive pole of 9VDC dc-battery 4 connects anode circuit 1, the negative pole of frequency of signal generator 6 connects negative pole circuit 7, this anode circuit 1 and two outlet lines that negative pole circuit 7 is this test device, be respectively connecting to axle and shake the signal end of signal fastener and common port.
In order to make this test device be easy to carry, this test device is integrally provided in control chamber 9, and 9VDC dc-battery 4 and frequency of signal generator 6 are fixed in control chamber 9.And, in order to make 9VDC dc-battery 4 and the convenient layout of frequency of signal generator 6, both are arranged at interval in control chamber 9.And, the surface of the casing of control chamber 9 is also provided with two through holes, anode circuit 1 and negative pole circuit 7 and is passed by the two through hole is corresponding, it is simple to the fastener that shakes with axle is connected.
Additionally, after the setting of 9VDC dc-battery 4 and frequency of signal generator 6 and both connections are completed, remove anode circuit 1 and negative pole circuit 7 the two outlet line, other ingredients of this test device, all can be arranged in control chamber 9 including interface unit 8 grade, so can further up to portable purpose.
So, this channel measuring apparatus signal that can steam turbine axle be shaken carries out lane testing, and this device is convenient for carrying, and each parts are connected firmly, and does not result in the instability of signal, time saving and energy saving, saves material, improves work efficiency.
In above-described embodiment, dc-battery is 9VDC dc-battery, and as other embodiment, when satisfied test, dc-battery can also select the battery of other voltage values, it is preferred to 12 ± 4VDC battery.
In above-described embodiment, frequency of signal generator and battery series aiding connection, as other embodiment, both can also be differential concatenation, can export superposed signal equally.
Steam turbine TSI axle shake signalling channel test device embodiment
This test device has been made that detailed description in said system embodiment, repeats no more here.
It is presented above specific embodiment, but this utility model is not limited to described embodiment.Basic ideas of the present utility model are in that above-mentioned basic scheme, for those of ordinary skill in the art, according to instruction of the present utility model, design the model of various deformation, formula, parameter are not required to cost creative work.The change, amendment, replacement and the modification that when without departing from principle of the present utility model and spirit, embodiment are carried out still fall within protection domain of the present utility model.
Claims (10)
1. a steam turbine TSI axle shakes signalling channel test device, it is characterized in that, including DC source and frequency of signal generator, described DC source and described frequency of signal generator are serially connected on a series circuit, the two ends of described series circuit are two outfans of this channel measuring apparatus, and said two outfan shakes the binding post of fastener for connecting axle.
2. steam turbine TSI axle according to claim 1 shake signalling channel test device, it is characterised in that described test device includes a control chamber, and described DC source and frequency of signal generator are installed in this control chamber.
3. steam turbine TSI axle according to claim 1 shake signalling channel test device, it is characterised in that on the connection line between described DC source and described frequency of signal generator string be provided with an interface unit.
4. steam turbine TSI axle according to claim 1 shake signalling channel test device, it is characterised in that described DC source and described frequency of signal generator series aiding connection.
5. steam turbine TSI axle according to claim 2 shake signalling channel test device, it is characterized in that, described DC source and frequency of signal generator interval in described control chamber is arranged, this control chamber is provided with two through holes, two bars outlet lines are connected respectively said two outfan, and are passed by said two through hole correspondence.
6. a steam turbine TSI axle shakes signalling channel test system, including TSI, and the axle on TSI shakes fastener, it is characterized in that, also including channel measuring apparatus, this channel measuring apparatus includes DC source and frequency of signal generator, described DC source and described frequency of signal generator and is serially connected on a series circuit, the two ends of described series circuit are two outfans of this channel measuring apparatus, and said two outfan connects described axle and shakes the binding post of fastener.
7. steam turbine TSI axle according to claim 6 shake signalling channel test system, it is characterised in that described test device includes a control chamber, and described DC source and frequency of signal generator are installed in this control chamber.
8. steam turbine TSI axle according to claim 6 shake signalling channel test system, it is characterised in that on the connection line between described DC source and described frequency of signal generator string be provided with an interface unit.
9. steam turbine TSI axle according to claim 6 shake signalling channel test system, it is characterised in that described DC source and described frequency of signal generator series aiding connection.
10. steam turbine TSI axle according to claim 7 shake signalling channel test system, it is characterized in that, described DC source and frequency of signal generator interval in described control chamber is arranged, this control chamber is provided with two through holes, two bars outlet lines are connected respectively said two outfan, and are passed by said two through hole correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104994.8U CN205353230U (en) | 2015-12-24 | 2015-12-24 | Steam turbine TSI axle shake signalling channel testing arrangement and test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104994.8U CN205353230U (en) | 2015-12-24 | 2015-12-24 | Steam turbine TSI axle shake signalling channel testing arrangement and test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205353230U true CN205353230U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521104994.8U Expired - Fee Related CN205353230U (en) | 2015-12-24 | 2015-12-24 | Steam turbine TSI axle shake signalling channel testing arrangement and test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205353230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610389A (en) * | 2020-04-17 | 2020-09-01 | 中国核电工程有限公司 | Method for testing signal path |
-
2015
- 2015-12-24 CN CN201521104994.8U patent/CN205353230U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111610389A (en) * | 2020-04-17 | 2020-09-01 | 中国核电工程有限公司 | Method for testing signal path |
| CN111610389B (en) * | 2020-04-17 | 2023-09-15 | 中国核电工程有限公司 | Signal path testing method |
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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: 20160629 Termination date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |