CN218723766U - Wireless electronic clearance gauge - Google Patents

Abstract

The utility model relates to an accurate measurement field especially relates to a wireless electron clearance gauge, including detecting the sensing component, it includes that the structure supports the top cap, detects component, power supply component and clamping member to detect the sensing component, it all sets up on the structure supports the top cap to detect component, power supply component and clamping member, the structure supports the top cap and sets up in the top of the blade that awaits measuring, it sets up between the blade that awaits measuring to detect component and power supply component through the clamping member is fixed, can measure reduction blade clearance value under the closed condition of machine casket, has reduced the dismouting number of times, possesses wireless data transmission function simultaneously, and accessible wireless transmission mode gives data transmission for the host computer, finally redisplays clearance value, and convenient record and data are looked over.

Description

Wireless electronic clearance gauge

Technical Field

The utility model relates to an accurate measurement field, concretely relates to wireless electron clearance gauge.

Background

Tip clearance control between the tip of the engine blade and the case is one of the key technologies. The clearance is usually controlled to be between 0.3mm and 3mm, and too large will reduce the efficiency of the engine and reduce the thrust, while too small will increase the probability of collision and friction between the blades and the casing, resulting in engine failure or damage. Therefore, tip clearance measurement is a major task in engine performance testing. The traditional blade tip clearance measuring means is low in efficiency, poor in precision and difficult to operate, and the problems that a lead cannot be led out under a closed environment, the measuring space is narrow and complex, data informatization is insufficient and the like exist in the small clearance measurement between the tip of the blade and the wall of a casing, so that the current maintenance and production requirements cannot be met. Therefore, how better realization solve wireless data transmission problem to the measurement of blade apex clearance in non-shielding compact space simultaneously, realize data acquisition and can quick reading, accurate measurement apex clearance value guarantees that engine block moves under high-efficient safety condition, is the problem that prior art is waited to solve urgently.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a wireless electron clearance gauge supplies power through the battery, realizes the measurement of apex clearance value.

In order to realize the above-mentioned purpose the utility model provides a wireless electron clearance gauge, including detecting the sensing component, it includes structural support top cap, detection component, power supply component and clamping component to detect the sensing component, it all sets up on structural support top cap to detect component, power supply component and clamping component, the structural support top cap sets up in the top of the blade that awaits measuring, it sets up between the blade that awaits measuring to detect component and power supply component through clamping component is fixed.

Preferably, the detection component includes PCB nylon dustcoat, PCB mount pad, flexible PCB sensor test probe and PCB detection circuitry, the PCB mount pad is fixed to be set up on the structure supports the top cap, PCB detection circuitry sets up on the PCB mount pad, PCB nylon dustcoat sets up in PCB detection circuitry outside, flexible PCB sensor test probe sets up in structure support top cap center, flexible PCB sensor test probe is connected with PCB detection circuitry electricity.

Further, the power supply component comprises a battery mounting seat, a battery fastening cover, a battery and a power switch, the battery mounting seat is fixedly arranged on the structural support top cover, the battery is arranged in the battery mounting seat, the battery fastening cover is arranged outside the battery, the power switch is arranged on the battery fastening cover, the power switch is electrically connected with the battery, and the battery is electrically connected with the PCB detection circuit.

Further, the battery is a button battery.

Further, the clamping component comprises two blade clamping rubber blocks, elastic pieces and elastic piece connecting bases, the elastic piece connecting bases are symmetrically arranged on the structural supporting top cover, the elastic pieces are arranged on the elastic piece connecting bases, and the blade clamping rubber blocks are arranged on the elastic pieces.

Preferably, the structure support top cover is further provided with two blade fixing grooves, and the two blade fixing grooves are symmetrically arranged on the structure support top cover.

Preferably, the flexible PCB sensor detection probe is a sheet capacitor, converts a capacitor signal into an electric signal through the signal conditioning module, and transmits the electric signal to the receiving host through the data transmission module.

Further, the signal conditioning module is a capacitance signal converter.

Further, the data transmission module is a wireless data transceiver.

Compared with the closest prior art, the utility model discloses beneficial effect who has:

can reduce blade clearance value at the closed condition of quick-witted casket measuring, reduce the dismouting number of times, possess wireless data transmission function simultaneously, accessible wireless transmitting mode gives the host computer with data transmission, finally at demonstration clearance value, convenient record and data are looked over.

Drawings

Fig. 1 is a schematic main body view of a wireless electronic clearance gauge provided by the present invention;

fig. 2 is an internal schematic view of a detection sensing member of a wireless electronic clearance gauge provided by the present invention;

fig. 3 is a system connection diagram of a wireless electronic clearance gauge provided by the present invention;

fig. 4 is an assembly schematic diagram of a wireless electronic clearance gauge provided by the present invention;

fig. 5 is a block diagram of a PCB detection circuit structure of a wireless electronic clearance gauge provided by the present invention;

reference numerals:

1. a structural support cap; 2. a battery mounting seat; 3. a battery securing cover; 4. a PCB nylon outer cover; 5. a PCB mounting seat; 6. the blade clamps the rubber block; 7. an elastic sheet; 8. the elastic sheet is connected with the base; 9. a flexible PCB sensor detection probe; 10. a battery; 11. a power switch; 12. a PCB detection circuit; 13. a blade-fixing groove.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Example 1:

the utility model provides a wireless electronic clearance gauge, as shown in figure 1, comprising a detection sensing component, wherein the detection sensing component comprises a structural support top cover 1, a detection component, a power supply component and a clamping component, as shown in figure 2, the detection component comprises a PCB nylon cover 4, a PCB mounting seat 5, a flexible PCB sensor detection probe 9 and a PCB detection circuit 12, the PCB mounting seat 5 is fixedly arranged on the structural support top cover 1, the PCB detection circuit 12 is arranged on the PCB mounting seat 5, the PCB nylon cover 4 is arranged outside the PCB detection circuit 12, the flexible PCB sensor detection probe 9 is arranged in the center of the structural support top cover 1, the flexible PCB sensor detection probe 9 is electrically connected with the PCB detection circuit 12, the flexible PCB sensor detection probe 9 is a slice capacitor, as shown in figure 3, the flexible PCB sensor detection probe converts a capacitor signal into an electric signal through a signal conditioning module, the power supply component comprises a battery mounting seat 2, a battery fastening cover 3, a battery 10 and a power switch 11, the battery 10 is a button battery, the battery mounting seat 2 is fixedly arranged on a structural support top cover 1, the battery 10 is arranged in the battery mounting seat 2, the battery fastening cover 3 is arranged outside the battery 10, the power switch 11 is arranged on the battery fastening cover 3, the power switch 11 is electrically connected with the battery 10, the battery 10 is electrically connected with a PCB detection circuit 12, the clamping component comprises a blade clamping rubber block 6, elastic sheets 7 and elastic sheet connecting bases 8, the number of the elastic sheet connecting bases 8 is two, the two elastic sheet connecting bases are symmetrically arranged on the structural support top cover 1, the elastic sheets 7 are arranged on the elastic sheet connecting bases 8, be equipped with on the flexure strip 7 blade centre gripping rubber block 6, detection component, power supply component and centre gripping component all set up on structural support top cap 1, structural support top cap 1 sets up in the top of the blade that awaits measuring, detection component and power supply component pass through the fixed setting of clamping component between the blade that awaits measuring still be equipped with blade fixed slot 13 on the structural support top cap 1, blade fixed slot 13 quantity sets up on structural support top cap 1 for two and symmetry, signal conditioning module is the capacitance signal converter, data transmission module is the wireless data transceiver.

In this embodiment, the battery 10 is a 1610 button battery.

In this embodiment, a wireless electron clearance gauge, battery mount pad 2 and 4 parallel arrangement of PCB nylon dustcoat still be equipped with blade fixed slot 13 on the structural support top cap 1, blade fixed slot 13 quantity is two and the symmetry sets up on structural support top cap 1, makes things convenient for the blade to insert blade fixed slot 13, and is firm fixed more.

In this embodiment, as shown in fig. 4, the detecting member and the power supplying member are respectively disposed on two sides of the same blade.

In this embodiment, a wireless electronic clearance gauge, flexible PCB sensor test probe includes first electric capacity, second electric capacity, first electric capacity passes through flexible line and sensor interface connection with the second electric capacity, the sensor interface of flexible PCB sensor test probe is connected with PCB detection circuitry's sensor interface electricity.

In this embodiment, a PCB detection circuit in wireless electronic plug ruler, as shown in fig. 5, includes a power module, a processor, a signal acquisition module, a wireless transmission module, a storage module, a sensor interface and an antenna, the power module supplies power to the sensor interface, the signal acquisition module, the processor, the wireless transmission module, the sensor interface is electrically connected to the signal acquisition module, an output end of the signal acquisition module is electrically connected to an input end of the processor, an output end of the processor is electrically connected to the antenna through the wireless transmission module, the processor is in bidirectional data transmission with the storage module, wherein a model of the processor is CC2530F256.

The utility model discloses a working process does, has adjusted the mounted position of the blade that awaits measuring, ensures to detect the sensing component and places in the top of the blade that awaits measuring. After the position of the acquisition unit is determined, the acquisition unit is fixed on the blade to be measured by using the clamping component, so that the blade to be measured is prevented from moving in the high-speed rotation process and affecting the accuracy of blade tip clearance value measurement.

The utility model discloses a principle does, and the collection unit utilizes the electric capacity sensing range finding technique, through measuring the electric capacity change of installing between the thin slice electric capacity on blade top and the blade cartridge receiver inner wall that awaits measuring, calculates the apex clearance value of the blade that awaits measuring to this measurement of apex clearance value under the static and high-speed motion state of realization blade that awaits measuring.

The detection sensing component converts displacement signals from the top end of the blade to be detected to the inner wall of the casing into capacitance values, and transmits the capacitance values to the signal conditioning module. The signal conditioning module can convert the capacitance signal into an electric signal, and simultaneously, after the tip clearance value is calculated by the electric signal, the electric signal is sent to the data transmission module, the data transmission module is wirelessly transmitted to the signal receiving host through the data transceiver, and the measured tip clearance value is displayed on the data acquisition software platform.

The detection sensing component is powered by the power supply module, so that the normal work of the system is ensured. The acquisition unit is fixed on the blade to be measured through the clamping component, and the clamping component can guarantee that the acquisition unit does not vibrate violently in the high-speed rotation process.

In the actual use process, a plurality of detection sensing components can be arranged at different positions of the blade to be measured of the engine, and the different positions of the blade to be measured of the engine are measured simultaneously. The receiving host is a data acquisition software platform, has a multichannel data receiving and processing function, can synthesize data of a plurality of blades to be detected, and finally obtains the overall running state of the engine.

While one embodiment of the present invention has been described in detail, the present invention is only a preferred embodiment of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (9)

1. The utility model provides a wireless electron clearance gauge, its characterized in that, is including detecting the sensing component, it includes structural support top cap (1), detects component, power supply component and clamping member to detect the sensing component, it all sets up on structural support top cap (1) to detect component, power supply component and clamping member, structural support top cap (1) sets up in the top of the blade that awaits measuring, it sets up between the blade that awaits measuring through clamping member is fixed to detect component and power supply component.

2. The wireless electronic feeler gauge of claim 1, wherein the detecting member comprises a PCB nylon housing (4), a PCB mounting seat (5), a flexible PCB sensor detecting probe (9) and a PCB detecting circuit (12), the PCB mounting seat (5) is fixedly arranged on the structural support top cover (1), the PCB detecting circuit (12) is arranged on the PCB mounting seat (5), the PCB nylon housing (4) is arranged outside the PCB detecting circuit (12), the flexible PCB sensor detecting probe (9) is arranged in the center of the structural support top cover (1), and the flexible PCB sensor detecting probe (9) is electrically connected with the PCB detecting circuit (12).

3. A radio electronic clearance gauge according to claim 2, characterized in that the power supply means comprises a battery mounting seat (2), a battery fastening cover (3), a battery (10) and a power switch (11), the battery mounting seat (2) is fixedly arranged on the structural support top cover (1), the battery (10) is arranged in the battery mounting seat (2), the battery fastening cover (3) is arranged outside the battery (10), the power switch (11) is arranged on the battery fastening cover (3), the power switch (11) is electrically connected with the battery (10), and the battery (10) is electrically connected with the PCB detection circuit (12).

4. A radio electronic feeler gauge according to claim 3, characterized in that the battery (10) is a button battery.

5. A radio electronic feeler gauge according to any one of claims 1 to 3, characterized in that the clamping means comprise blade-clamping rubber blocks (6), elastic tabs (7) and elastic tab connection bases (8), the elastic tab connection bases (8) being two in number and symmetrically arranged on the structural support cap (1), the elastic tabs (7) being arranged on the elastic tab connection bases (8), the blade-clamping rubber blocks (6) being arranged on the elastic tabs (7).

6. A wireless electronic clearance gauge according to claim 1, wherein: still be equipped with blade fixed slot (13) on structural support top cap (1), blade fixed slot (13) quantity is two and the symmetry sets up on structural support top cap (1).

7. A wireless electronic clearance gauge according to claim 1, wherein: the flexible PCB sensor detection probe (9) is a slice capacitor, converts a capacitance signal into an electric signal through the signal conditioning module, and transmits the electric signal to the receiving host through the data transmission module.

8. A wireless electronic clearance gauge according to claim 7, wherein: the signal conditioning module is a capacitance signal converter.

9. A wireless electronic clearance gauge according to claim 7, wherein: the data transmission module is a wireless data transceiver.

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