阅读说明：本技术 一种零干扰的振动变送器及其检测方法 (Zero-interference vibration transmitter and detection method thereof ) 是由 吴广 秦法涛 张能文 何晓琳 赵宇立 刘凯 徐卫 承敏钢 于 2021-08-17 设计创作，主要内容包括：本发明的一种零干扰的振动变送器及其检测方法,属于振动变送器技术技术领域,包括壳体、电路装置、供电装置和显示装置,电路装置安装在壳体内,线束装置安装在壳体上,壳体为敞口的圆柱结构,壳体的底部设有环氧树脂,供电装置与显示装置和电路装置电性连接,电路装置包括固定杆、电路板和固定片,固定杆穿过电路板和固定片的中心,电路板和固定片平行设置,壳体底部设有插槽,固定杆的一端插入插槽内与壳体连接,显示装置安装在壳体的外侧,壳体上设有封盖,此设计的结构,固定杆插入环氧树脂内,固定片嵌入环氧树脂,使得固定杆和壳体的连接稳定,在检测振动时,该固定杆和壳体报纸振幅一致,进一步的将振幅完全传递给电路板。(The invention relates to a zero-interference vibration transmitter and a detection method thereof, belonging to the technical field of vibration transmitters, comprising a shell, a circuit device, a power supply device and a display device, wherein the circuit device is arranged in the shell, a wire harness device is arranged on the shell, the shell is in an open cylindrical structure, the bottom of the shell is provided with epoxy resin, the power supply device is electrically connected with the display device and the circuit device, the circuit device comprises a fixed rod, a circuit board and a fixed piece, the fixed rod penetrates through the centers of the circuit board and the fixed piece, the circuit board and the fixed piece are arranged in parallel, the bottom of the shell is provided with a slot, one end of the fixed rod is inserted into the slot and connected with the shell, the display device is arranged on the outer side of the shell, the shell is provided with a sealing cover, the fixed rod is inserted into the epoxy resin, the fixed piece is embedded into the epoxy resin, so that the connection of the fixed rod and the shell is stable, the fixed rod and the shell newspaper have the same amplitude, and further the amplitude is completely transmitted to the circuit board.)

1. A zero-interference vibration transmitter, characterized in that: the LED lamp comprises a shell (100), a circuit device (200), a power supply device (300) and a display device (400), wherein the circuit device (200) is installed in the shell (100), a wire harness (240) is installed on the shell (100), the shell (100) is of an open cylindrical structure, epoxy resin (110) is arranged at the bottom of the shell (100), the power supply device (300) is electrically connected with the display device (400) and the circuit device (200), the circuit device (200) comprises a fixing rod (210), a circuit board (220) and a fixing plate (230), the fixing rod (210) penetrates through the centers of the circuit board (220) and the fixing plate (230), the circuit board (220) and the fixing plate (230) are arranged in parallel, a slot is formed in the bottom of the shell (100), one end of the fixing rod (210) is inserted into the slot and connected with the shell (100), and the display device (400) is installed outside the shell (100), the shell (100) is provided with a sealing cover (120).

2. The zero interference vibration transmitter of claim 1, wherein: the circuit device (200) is provided with a plurality of circuit boards (220) and fixing pieces (230), the fixing pieces (230) are all located in the epoxy resin (110), and the circuit boards (220) are all located above the epoxy resin (110).

3. The zero interference vibration transmitter of claim 1, wherein: two vertical grooves (211) are symmetrically arranged on the fixing rod (210), the circuit device (200) is electrically connected with the circuit board (220) through a wiring harness (240), and the wiring harness (240) is located in the vertical grooves (211).

4. A zero interference vibration transmitter according to claim 3 and further comprising: the wire harness (240) is divided into an input line and an output line, which are respectively located in two vertical slots (211).

5. The zero interference vibration transmitter of claim 1, wherein: the power supply device (300) comprises a coil (310) and a connecting piece (320), wherein the coil (310) is electrically connected with the circuit device (200) through a wiring harness (240), the coil (310) is installed on the connecting piece (320), and the connecting piece (320) is fixed on the sealing cover (120).

6. The zero interference vibration transmitter of claim 1, wherein: display device (400) includes shell, display screen, controller and bluetooth communication device install in the shell, the display screen is installed on the shell, the shell passes through connecting piece (320) to be fixed on closing cap (120), display screen and bluetooth communication device and controller electric connection, the controller passes through pencil (240) and circuit arrangement (200) electric connection.

7. The zero interference vibration transmitter of claim 2, wherein: the circuit boards (220) are all provided with sensor bodies (221).

8. A zero interference vibration transmitter according to claim 5 or 6, characterized in that: the connecting piece (320) is of an L-shaped structure.

9. A detection method of a zero-interference vibration transmitter is characterized by comprising the following steps:

s1, mounting the vibration transmitter on the measured object;

s2, installing a power supply coil (310) module on the object to be measured to supply power to the power supply device (300);

s3, starting the object to be tested to provide vibration;

s4, detecting vibration data by the sensor bodies (221) on the plurality of circuit boards (220);

s5, displaying vibration data comparison of the sensor bodies (221) on a display screen;

s6, the bluetooth communication module transmits the vibration data to the operator' S device.

10. The method of claim 9 for detecting a zero disturbance vibration transmitter, comprising: the method for supplying power to the power supply device (300) by the power supply coil (310) module in the step S2 is electromagnetic induction.

Technical Field

The invention belongs to the technical field of vibration transmitters, and particularly relates to a zero-interference vibration transmitter and a detection method thereof.

Background

The vibration transmitter is mainly used for detecting absolute vibration of rotary machinery, such as casing vibration, bearing bush vibration, mechanical vibration and the like. Vibration changes due to rotor imbalance, misalignment, loose machine parts, damaged rolling bearings, damaged gears, etc. are monitored. The sensor is suitable for large-scale rotating machinery such as steam turbines, water turbines, fans, compressors, motors, gear boxes and the like, and is suitable for different types of vibration sensors.

Vibration changer is when using, because needs external pencil to supply power and data transmission, consequently, the energy of vibration can be absorbed by the pencil, leads to the amplitude transmission inaccurate, further leads to the monitoring data inaccurate, and present vibration changer is inside mostly a sensor to detect data, does not have the contrast.

Disclosure of Invention

1. Technical problem to be solved by the invention

The object of the present invention is to solve the above drawbacks.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the invention discloses a zero-interference vibration transmitter which comprises a shell, a circuit device, a power supply device and a display device, wherein the circuit device is installed in the shell, a wire harness device is installed on the shell, the shell is of an open cylindrical structure, epoxy resin is arranged at the bottom of the shell, the power supply device is electrically connected with the display device and the circuit device, the circuit device comprises a fixed rod, a circuit board and a fixed piece, the fixed rod penetrates through the centers of the circuit board and the fixed piece, the circuit board and the fixed piece are arranged in parallel, an inserting groove is formed in the bottom of the shell, one end of the fixed rod is inserted into the inserting groove and connected with the shell, the display device is installed on the outer side of the shell, and a sealing cover is arranged on the shell.

Preferably, last a plurality of circuit boards and the stationary blade of being equipped with of circuit device, a plurality of stationary blades all are located epoxy, and a plurality of circuit boards all are located the epoxy top.

Preferably, two vertical grooves are symmetrically formed in the fixing rod, the circuit device is electrically connected with the circuit board through a wiring harness, and the wiring harness is located in the vertical grooves.

Preferably, the wire harness is divided into an input line and an output line, the input line and the output line being located in the two vertical slots, respectively.

Preferably, the power supply device includes a coil and a connector, the coil is electrically connected to the circuit device through a wire harness, the coil is mounted on the connector, and the connector is fixed to the cover.

Preferably, display device includes shell, display screen, controller and bluetooth communication device, and controller and bluetooth communication device install in the shell, and the display screen is installed on the shell, and the shell passes through the connecting piece to be fixed on the closing cap, display screen and bluetooth communication device and controller electric connection, and the controller passes through pencil and circuit arrangement electric connection.

Preferably, a plurality of circuit boards are all provided with the sensor body.

Preferably, the connecting piece is of an L-shaped structure.

A detection method of a zero-interference vibration transmitter comprises the following steps:

s1, mounting the vibration transmitter on the measured object;

s2, installing a power supply coil module on the object to be measured to supply power to the power supply device;

s3, starting the object to be tested to provide vibration;

s4, detecting vibration data by the sensor bodies on the circuit boards;

s5, displaying the vibration data comparison of the sensor bodies by a display screen;

s6, the bluetooth communication module transmits the vibration data to the operator' S device.

Preferably, the method for supplying power to the power supply device by the power supply coil module in step S2 is electromagnetic induction.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

(1) according to the zero-interference vibration transmitter, the fixing rod and the fixing piece are fixed through the epoxy resin, so that the circuit board is further stabilized, and the detection accuracy is improved.

(2) According to the zero-interference vibration transmitter, the external wiring harness is reduced through a wireless power supply method, and the detection accuracy is further improved.

(3) The zero-interference vibration transmitter is provided with the display device for displaying data and transmitting data by Bluetooth, so that data transmission by a wire harness is avoided, the interference of the wire harness is reduced, and the detection accuracy is improved.

Drawings

FIG. 1 is a schematic illustration of a zero interference vibration transmitter installation of the present invention;

FIG. 2 is a schematic diagram of a zero interference vibration transmitter of the present invention;

FIG. 3 is a schematic diagram of the circuitry of a zero interference vibration transmitter of the present invention;

FIG. 4 is a schematic structural diagram of a mounting rod of a zero interference vibration transmitter of the present invention;

FIG. 5 is a flow chart of a method of detecting a zero-disturbance vibration transmitter of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a housing; 110. an epoxy resin; 120. sealing the cover;

200. a circuit arrangement; 210. fixing the rod; 211. a vertical slot; 220. a circuit board; 221. a sensor body; 230. a fixing sheet; 240. a wire harness;

300. a power supply device; 310. a coil; 320. a connecting member;

400. a display device.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 to 5, a zero-interference vibration transmitter of this embodiment includes a housing 100, a circuit device 200, a power supply 300, and a display device 400, wherein the circuit device 200 is installed in the housing 100, a wire harness 240 is installed on the housing 100, the housing 100 is an open cylindrical structure, the bottom of the housing 100 is provided with an epoxy resin 110, the power supply 300 is electrically connected to the display device 400 and the circuit device 200, the circuit device 200 includes a fixing rod 210, a circuit board 220, and a fixing plate 230, the fixing rod 210 passes through the centers of the circuit board 220 and the fixing plate 230, the circuit board 220 and the fixing plate 230 are arranged in parallel, the bottom of the housing 100 is provided with a slot, one end of the fixing rod 210 is inserted into the slot and connected to the housing 100, the display device 400 is installed on the outer side of the housing 100, the housing 100 is provided with a cover 120, and the circuit device 200 is provided with a plurality of circuit boards 220 and fixing plates 230, the fixing plates 230 are located in the epoxy resin 110, the circuit boards 220 are located above the epoxy resin 110, and the fixing rod 210 is inserted into the epoxy resin 110, and the fixing plates 230 are embedded in the epoxy resin 110, so that the fixing rod 210 and the casing 100 are stably connected, and when vibration is detected, the fixing rod 210 and the casing 100 have the same amplitude, and further, the amplitude is completely transmitted to the circuit boards 220.

Two vertical grooves 211 are symmetrically arranged on the fixing rod 210 of the embodiment, the circuit device 200 is electrically connected with the circuit board 220 through the wiring harness 240, the wiring harness 240 is located in the vertical grooves 211, the wiring harness 240 is divided into an input line and an output line, the input line and the output line are respectively located in the two vertical grooves 211, and the input electric signal and the output electric signal are not interfered with each other by the designed structure.

The power supply device 300 of the present embodiment includes a coil 310 and a connector 320, the coil 310 is electrically connected to the circuit device 200 through a wire harness 240, the coil 310 is mounted on the connector 320, and the connector 320 is fixed on the cover 120.

The display device 400 of the embodiment includes a housing, a display screen, a controller and a bluetooth communication device, the controller and the bluetooth communication device are installed in the housing, the display screen is installed on the housing, the housing is fixed on the cover 120 through a connecting member 320, the display screen and the bluetooth communication device are electrically connected with the controller, and the controller is electrically connected with the circuit device 200 through a wire harness 240.

All be equipped with sensor body 221 on a plurality of circuit boards 220 of this embodiment, this design, a plurality of sensor bodies 221 are used for detecting vibration data, the contrast of being convenient for, and when there is a certain sensor body 221 to damage or certain circuit board 220 damages, this vibration transmitter still can continue to carry out data detection with remaining sensor body 221.

The connector 320 of the present embodiment has an L-shaped structure, which allows the display device 400 and the power supply device 300 to be located at both sides of the housing 100, and electromagnetic signals therein are shielded by the housing 100 without interfering with the inside.

The power supply device 300 and the wire harness 240 of the display device 400 are connected to the inside of the case 100 along the connection member 320.

The design is as follows, during detection, install this vibration transmitter on the testee, install power supply coil 310 module simultaneously on the testee, wherein power supply coil 310 module supplies power for coil 310 in power supply unit 300 through electromagnetic induction, this method has reduced the demand of external pencil 240, further reduce the interference, the external pencil 240 of traditional structure, during vibration transmitter vibration, because the existence of external pencil 240, the energy of vibration can be absorbed partly by external pencil 240, cause and detect inaccurately, the display device 400 of this design, not only can show vibration data in real time and be convenient for observe, also can go out by bluetooth wireless transmission simultaneously, further reduced traditional structure and needed external pencil 240 to carry data, reduce interference and the absorption of vibration energy that pencil 240 brought.

Example 2

Referring to fig. 5, the detection method of the zero-interference vibration transmitter of the embodiment includes the following steps:

s1, mounting the vibration transmitter on the measured object;

s2, mounting the power coil 310 module on the object to be tested to supply power to the power supply device 300;

s3, starting the object to be tested to provide vibration;

s4, the sensor bodies 221 on the plurality of circuit boards 220 detect vibration data;

s5, displaying the vibration data comparison of the sensor bodies 221 by a display screen;

s6, the bluetooth communication module transmits the vibration data to the operator' S device.

In step S2 of the present embodiment, the method for the power coil 310 module to supply power to the power supply apparatus 300 is electromagnetic induction.

The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.