CN215005510U - TSI system signal source adapter - Google Patents

Abstract

The utility model discloses a TSI system signal source adapter in the field of turbine TSI system installation, which comprises a plunger which can be connected with a universal meter or a signal generator, wherein the tail part of the plunger is connected with an extension line, and the tail end of the extension line is connected with a connector which is used for being connected with an outgoing line at the output end of a front-end device; insert the universal meter with the plunger, the extension line length of plunger is longer, can pull the extension line to near with the leading-out wire on the output, link to each other with the terminal connector of extension line and the lead-out wire on the output, the voltage reading of leading-out wire output can be shown very audio-visual on the universal meter like this, and the installer only need the carrier universal meter alright with the numerical value of reading of straight tube, whether accurate on the position of probe installation is judged in the change of passing number value, only need alone, can also directly read the reading of leading-in ware in the installation probe, install the probe fast accurately, working strength and the degree of difficulty have been reduced, the utility model discloses can be used for TSI's installation.

Description

TSI system signal source adapter

Technical Field

The utility model relates to a measuring device.

Background

Along with the continuous increase of the capacity of a steam turbine set of a power plant and the continuous improvement of steam parameters, a thermodynamic system is more and more complex, the automation degree is higher and higher, and the requirement on the thermal control technology of the power plant is higher and higher. In order to improve the heat economy of the unit, the interstage and inter-shaft gaps of the steam turbine are very small, so that the installation environment of part of TSI system probes is relatively complex (high temperature and easy oil immersion), and the requirement on whether the probes are installed in place is high when the probes are inspected, maintained or repaired, inspected, dismounted and mounted in size, and the safe operation of the unit is directly related; whether the probe is installed in place or not is judged by measuring the voltage value of the front-end device. Because the mounted position of leading ware and probe is not in same position, has a section distance, so need two people cooperations when the installation probe, alone in leading ware side reading, alone the installation probe alone, adopt to call each other or the intercom contacts, because the personnel of probe installation can not directly perceivedly read the numerical value, rely on another people to read the numerical value, consequently can not be fast accurate with the probe installation, greatly increased the intensity and the degree of difficulty of work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a TSI system signal source adapter only needs alone, can also directly read the reading of leading ware in the installation probe, and is installed the probe fast accurately, has reduced working strength and the degree of difficulty.

In order to achieve the above object, the utility model provides a TSI system signal source adapter, include the plunger that can link to each other with universal meter or signal generator, the connection of after section of plunger has the extension line, the end-to-end connection of extension line has the connector that is used for linking to each other with the lead-out wire of leading ware output.

Compared with the prior art, the beneficial effects of the utility model reside in that, insert the universal meter with the plunger, the extension line length of plunger is longer, can pull the extension line to near with the leading-out wire on the output, link to each other with the terminal connector of extension line and the output, the voltage reading of leading-out end can show very audio-visual on the universal meter like this, and the installer only need the carrier universal meter alright with the numerical value of reading of straight tube, whether the change of passing number judges on the position of probe installation accurate, only need alone, can also directly read the reading of leading-in when installing the probe, install the probe fast accurately, working strength and the degree of difficulty have been reduced, the utility model discloses can be used for TSI's installation.

As the utility model discloses a further improvement, the connector includes the insulating rod, the front end of insulating rod is provided with the hook-shaped probe, need not like this to take back the outside of lead-out wire of leading ware output, directly with lead-out wire and hook-shaped probe overlap joint, the wiring is very convenient with the separation.

As a further improvement of the utility model, the extension line links to each other with the terminal of one side of row of connecting, the corresponding terminal of the opposite side of row of connecting is connected with many signal lines, the signal line with pass insulating rod and hook-shaped probe connection, can connect many signal lines through the row of connecting like this, connect a plurality of leading wares respectively, then link to each other the plunger with a signal generator for carry out debugging work to the TSI system, to a plurality of probes simultaneous use signal generator analog device's state, verify probe installation and protection action whether accurate.

As a further improvement of the utility model, the extension cord is wound on the drum, so that the extension cord can be conveniently packed up and discharged due to the longer extension cord.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connecting head structure.

The universal meter comprises a universal meter 1, a plug 2, an extension line 3, a wire coil 4, a wiring bar 5, a connector 6, a signal line 7, a hook-shaped probe 8 and an insulating rod 9.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

a signal source adapter of a TSI system as shown in fig. 1-2, comprising a plug 2 connectable to a multimeter 1 or a signal generator, wherein the tail of the plug 2 is connected to an extension line 3, and the end of the extension line 3 is connected to a connector 6 for connecting to an outgoing line at the output end of a front-end device; the connector 6 comprises an insulating rod 9, and a hook-shaped probe 8 is arranged at the front end of the insulating rod 9; the extension line 3 is connected with a terminal at one side of the wiring bar 5, a plurality of signal lines 7 are connected with a corresponding terminal at the other side of the wiring bar 5, and the signal lines 7 are connected with hook-shaped probes 8 penetrating through insulating rods 9; the extension line 3 is wound on the wire coil 4.

The utility model discloses in, universal meter 1's plunger 2 sets up two, is connected with the other end of two wires in the extension line 3 respectively, and the other end of wire is connected with the terminal of one side of row 5 of working a telephone switchboard, and signal line 7 has three, and every signal line 7 has two wires equally, and the wire one end of signal line 7 links to each other with connector 6, and the other end links to each other with the corresponding terminal of being connected with extension line 3 of opposite side on row 5 of working a telephone switchboard, can link to each other with three leading ware simultaneously like this.

When the device works, whether the probe is installed in place or not is judged by measuring the voltage value of the front-end device, and when the probe changes by 1mm, the corresponding voltage value changes by 7.87V or 7.87V, so that the voltage value can be greatly changed by slight change of the probe during installation, and the measurement is inaccurate. Because the leading-in ware is not in same position with the mounted position of probe, there is longer distance, consequently in order to make universal meter 1 can be connected with the lead-out wire of leading-in ware long distance, extension line 3 with the plunger 2 of universal meter 1 grafting is longer, receive and release through the winding of wire reel 4, through the simple overlap joint of hook-shaped probe 8 with the output lead-out wire of leading-in ware, can measure the voltage of leading-in ware, and is simple and convenient, alone one person's portability universal meter 1 comes the installation that the probe mounted position carried out the probe, whether the position of judging the probe installation through the change of observing the voltmeter reading is accurate.

After the size repair is finished, the TSI system needs to be debugged, the plug rod can be connected with the signal generator, signals are given through the signal generation, for example, the signal generator is used for simulating the occurrence of overspeed for three overspeed probes at the same time, whether the installation and protection actions of the probes are accurate is verified, the three prepositioners can be ensured to receive the signals stably at the same time, and then the debugging work is ensured to be carried out.

The utility model has the advantages that through the extension line 3 (the cable with longer length), one end of the plug rod 2 is matched with the universal meter 1 or the signal generator in a double-matching way, and the other end is provided with the firm connector lug 6, so that the cable can realize the function of freely stretching and matching different distances; the hook-shaped probe 8 can be directly connected with a measuring point on the basis of ensuring the firmness of the wiring of the immovable prepositioner, thereby achieving the aim of directly observing data; through the signal connector capable of being connected in parallel, when a plurality of groups of signals need to be sent simultaneously, the signal connector is matched with the wiring terminal for assembly, and the effect of simultaneously and stably sending the same signal is achieved.

The present invention is not limited to the above embodiments, and based on the technical solutions of the present disclosure, those skilled in the art can make some substitutions and transformations to some technical features without creative labor according to the disclosed technical contents, and these substitutions and transformations are all within the protection scope of the present invention.

Claims (4)

1. A TSI system signal source adapter, comprising: including the plunger that can link to each other with universal meter or signal generator, the afterbody of plunger is connected with the extension line, the end-to-end connection of extension line has the connector that is used for linking to each other with the lead-out wire of leading ware output.

2. A TSI system signal source adapter according to claim 1, wherein: the connector comprises an insulating rod, and a hook-shaped probe is arranged at the front end of the insulating rod.

3. A TSI system signal source adapter according to claim 2, wherein: the extension line is connected with a terminal on one side of the wiring bar, a plurality of signal lines are connected with a corresponding terminal on the other side of the wiring bar, and the signal lines are connected with the hook-shaped probes through the insulating rods.

4. A TSI system signal source adapter according to claim 3, wherein: the extension wire is wound on the wire coil.

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