CN210268919U - Wireless transmission device for temperature measurement data in front of furnace - Google Patents
Wireless transmission device for temperature measurement data in front of furnace Download PDFInfo
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- CN210268919U CN210268919U CN201921202764.3U CN201921202764U CN210268919U CN 210268919 U CN210268919 U CN 210268919U CN 201921202764 U CN201921202764 U CN 201921202764U CN 210268919 U CN210268919 U CN 210268919U
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Abstract
The utility model discloses a stokehold temperature measurement data wireless transmission device, including fixed baseplate, fixed baseplate's top is passed through fix with rivet and is had main control unit PCBA, and fixed baseplate is close to main control unit PCBA's both sides an organic whole and is connected with side front of a garment piece, and the top outer wall joint of two side front of a garment pieces has same heat exchanger that looses, and wherein is equipped with five to six signal input branch terminals on the side front of a garment piece of front side, is close to and is equipped with two to three power access terminal on the side front of a garment piece that signal input divides the terminal, the both sides outer wall of heat exchanger that looses all is fixed with. The utility model discloses gain antenna makes data transmission speed and stability improve, and the SD card is to the backup of wireless signal port data in the SD draw-in groove, and the data that reduces data cutout in the transmission course and cause are lost, and the heat dissipation screen panel is to main control unit PCBA board heat dissipation, and heat insulating mattress and winding displacement board are isolated to the device temperature, guarantee that whole wireless transmission device's operating temperature can not overload, is influencing wireless transmission rate.
Description
Technical Field
The utility model relates to a wireless transmission equipment technical field especially relates to a stokehold temperature measurement data wireless transmission device.
Background
The furnace-front temperature measurement technology is a casting test technology developed recently and is widely applied. According to the types and the application current situations of the common stokehole temperature measuring instruments of the industrial systems of the railway rolling stock in China, the stokehole temperature measuring instruments are divided into a contact type and a non-contact type according to the measuring modes. The basic structure of the device consists of a temperature sensor, a measuring instrument, a display instrument, a recording instrument and the like.
Temperature sensor and measurement, demonstration, record meter's record data summarize and need handle, generally gather to high in the clouds data through wireless transmission, in current data transmission, under high temperature environment, it is unstable to wirelessly go up through traditional baseband formula transmission, and wireless transmission equipment job stabilization nature is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a wireless transmission device for the temperature measurement data in front of the furnace.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a temperature measurement data wireless transmission device in stokehold, includes fixed substrate, the fix substrate's top is passed through the fix with rivet and is had main control unit PCBA, and fixed substrate is close to main control unit PCBA's both sides an organic whole and is connected with the side flap, and the top outer wall joint of two side flaps has same heat exchanger that looses, and wherein be equipped with five to six signal input branch terminals on the side flap of front side, the side flap is close to and is equipped with two to three power access terminal on the side flap of signal input branch terminal, the both sides outer wall of heat exchanger all is fixed with the gain antenna, the gain antenna links to each other with the transformer coupling oscillation circuit of sending out the emitter altogether that adorns in the casing, oscillation circuit for triode Q1's base through resistance R1 connect main control unit PCBA's USB interface, emitter ground connection, collecting electrode and electric capacity C2, electric capacity C3 and transformer T's primary one end link to each other, triode Q, The capacitor C2 is connected in parallel with one end of the secondary of the transformer T, the other end of the secondary of the transformer T is connected with the gain antenna through a coil L1, a capacitor C4 and a coil L2 which are connected in series, the common end of the coil L1 and the capacitor C4 is connected with the collector of a triode Q2, the other end of the capacitor C3 is connected with one end of a resistor R2 and the base of a triode Q2, the emitter of the triode Q2 and the other end of the resistor R2 are connected in parallel to the ground, and one end of the secondary of the transformer T is.
The side flap is provided with a fixed substrate at the bottom of one side close to the signal input branch terminal, and an SD card slot and a network signal port at one side close to the power supply access terminal.
The side flap is welded on the outer walls of the two sides of the fixed base plate, the two sides of the side flap are provided with fixing screw holes, and the inner wall of each fixing screw hole is clamped with a heat insulation rubber pad.
The fixed baseplate is welded on the outer wall of the bottom end of the fixed baseplate, and the wiring board is clamped on the inner wall of the bottom of the heat dissipation net cover.
Six to eight wire arrangement grooves are distributed on two sides of the wire arrangement plate at equal distances, and wire arrangement buckle plates are clamped on the inner walls of the six to eight wire arrangement grooves.
The main controller PCBA is integrated with a signal receiving module and an MIC module, the signal receiving module and the MIC module are connected in series through serial ports, and the signal input sub-terminal is connected with the signal receiving module.
And the main controller PCBA is integrated with a signal transmission module, and the signal transmission module is connected with the gain antenna.
The utility model has the advantages that:
1. the wireless transmission device for the temperature measurement data in the stokehole is provided with the external gain antennas on two sides, the gain antennas are frequency-selected by a C4/L2 resonant circuit, so that the wireless transmission device is not affected by distortion, the efficiency is high, the data transmission speed and the stability are improved, and meanwhile, the wireless signal port data in the wireless transmission device are backed up by the built-in SD card slot, so that the data loss caused by data cutoff in the transmission process is reduced;
2. this temperature measurement data wireless transmission device before stove dispels the heat to main control unit PCBA board through bottom heat dissipation screen panel, and the while is isolated to the device temperature through heat insulating mattress and winding displacement board, guarantees that whole wireless transmission device's operating temperature can not overload, is influencing holistic wireless transmission rate.
Drawings
Fig. 1 is a schematic structural diagram of a wireless transmission device for temperature measurement data in front of a furnace provided by the utility model;
fig. 2 is the utility model provides a gain antenna connection circuit diagram of stokehold temperature measurement data wireless transmission device.
In the figure: 1 heat insulating pad, 2 network signal ports, 3 winding displacement boards, 4 heat dissipation mesh enclosures, 5 side flaps, 6 gain antennas, 7 heat dissipation enclosures, 8 power access terminals, 9 signal input branch terminals, 10 signal conversion interfaces, 11 fixed substrates, 12 SD card slots, 13 wire slot buckle plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, a wireless transmission device for furnace front temperature measurement data comprises a fixed substrate 11, a main controller PCBA is fixed on the top of the fixed substrate 11 through rivets, side flaps are integrally connected on two sides of the fixed substrate 11 close to the main controller PCBA, the top outer walls of the two side flaps are clamped with a same heat dissipation cover 7, five to six signal input branch terminals 9 are arranged on the outer wall of one side flap, two to three power supply access terminals 8 are arranged on the outer wall of the side flap close to the signal input branch terminals 9, a fixed substrate 11 is arranged at the bottom of one side of the side flap close to the signal input branch terminals 9, an SD card slot 12 and a network signal port 2 are arranged on one side of the side flap close to the power supply access terminals 8, gain antennas 6 are fixed on the outer walls of two sides of the heat dissipation cover 7, side flaps 5 are welded on the outer walls of two sides of the fixed substrate 11, and two sides of the side flaps 5 are provided with, fixed screw inner wall joint has thermal-insulated cushion, the bottom outer wall welding of fixed baseplate 11 has heat dissipation screen panel 4, and the bottom inner wall joint of heat dissipation screen panel 4 has wiring board 3, the equipartition distance distribution in both sides of wiring board 3 has six to eight wiring grooves, and six to eight wiring groove inner walls all joints have the wire casing buckle, the last integration of main control unit PCBA has signal reception module and MIC module, and establish ties each other through the serial ports between signal reception module and the MIC module, signal input branch terminal 9 is connected with signal reception module, the last integration of main control unit PCBA has signal transmission module, and be connected between signal transmission module and the gain antenna 6.
Referring to fig. 2, a circuit diagram is connected to a gain antenna end of a wireless transmission device for temperature measurement data before furnace, wherein a load is a secondary coil of a transformer T, a collector output signal is coupled by T, and then sent to a base electrode by C1 from a secondary electrode to form positive feedback, start oscillation, and a low-frequency modulation signal is sent to the base electrode at the same time to perform amplitude modulation on generated high-frequency oscillation, Q2 is a buffer amplifier, the output of Q1 is coupled to a Q2 (Q1 on the right side in fig. 2) base electrode by C3, and L1 is a load inductance of Q2; and sent to the antenna for transmission through the C4/L2 series resonant circuit. R2 is grounded, namely zero offset, because the input signal amplitude is large and the frequency is selected by the C4/L2 resonant circuit, the effect of signal gain is achieved without distortion.
The working principle is as follows: this wireless transmission device of temperature measurement data before stove is when using, through 5 fixing device of both sides side front of a garment piece, cut off between heat insulating mattress 1 and the stokehole equipment, it is isolated to install high temperature through heat insulating mattress 1 and winding displacement board 3, guarantee that wireless transmission equipment operating temperature can not overload, influence wireless transmission rate, the external gain antenna 6 of both sides, data transmission speed and stability improve, be equipped with the fixed SD card of built-in SD draw-in groove 12 simultaneously, backup the wireless signal port data wherein, reduce the transmission process, the data that the data cutout caused are lost.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A wireless transmission device for temperature measurement data in front of a furnace comprises a fixed substrate (11) and is characterized in that the top of the fixed substrate (11) is fixed with a main controller PCBA through rivets, two sides of the fixed substrate (11) close to the main controller PCBA are integrally connected with side flaps, the top outer walls of the two side flaps are connected with a same heat dissipation cover (7) in a clamped mode, five to six signal input branch terminals (9) are arranged on the side flap of the front side, two to three power supply access terminals (8) are arranged on the side flap of the side flap close to the signal input branch terminals (9), gain antennas (6) are fixed on the outer walls of the two sides of the heat dissipation cover (7), the gain antennas (6) are connected with a common emitter transformer coupling oscillation circuit arranged in a shell, the base of an audion Q1 is connected with a USB interface of the main controller PCBA through a resistor R1, the emitter is grounded, the collector is connected with a capacitor C2, a capacitor C3 and one end of a primary side of a transformer T, the base of a triode Q1 is connected with one end of a secondary side of the transformer T in parallel through the capacitor C1 and the capacitor C2, the other end of the secondary side of the transformer T is connected with a gain antenna (6) through a coil L1, a capacitor C4 and a coil L2 which are connected in series, the common end of the coil L1 and the capacitor C4 is connected with the collector of the triode Q2, the other end of the capacitor C3 is connected with one end of a resistor R2 and the base of a triode Q2, the emitter of the triode Q2 is connected with the other end of the resistor R2.
2. The wireless transmission device for the stokehole temperature measurement data according to claim 1, wherein an SD card slot (12) and a network signal port (2) which are connected with a PCBA of the main controller are arranged on one side of the side flap close to the power supply access terminal (8).
3. The wireless transmission device for the furnace-front temperature measurement data according to claim 1, wherein side flaps (5) are welded to the outer walls of the two sides of the fixed substrate (11), fixing screw holes are formed in the two sides of each side flap (5), and heat insulation rubber pads are clamped to the inner walls of the fixing screw holes.
4. The wireless transmission device for the stokehole temperature measurement data according to claim 1, wherein a heat dissipation mesh enclosure (4) is welded to the outer wall of the bottom end of the fixed substrate (11), and a power strip (3) is clamped to the inner wall of the bottom of the heat dissipation mesh enclosure (4).
5. The wireless transmission device for the stokehole temperature measurement data according to claim 4, wherein six to eight wire arrangement grooves are distributed on two sides of the wire arrangement plate (3) at equal distances, and wire arrangement buckle plates are clamped on the inner walls of the six to eight wire arrangement grooves.
6. The wireless transmission device for the stokehole temperature measurement data according to claim 1, wherein a signal receiving module and an MIC (many integrated core) amplifying module are integrated on the PCBA, the signal receiving module and the MIC amplifying module are connected in series through serial ports, and the signal input sub-terminal (9) is connected with the signal receiving module.
7. The wireless transmission device for the stokehole temperature measurement data according to claim 1, characterized in that a signal transmission module formed by a coupled oscillating circuit is integrated on the main controller PCBA, and the signal transmission module is connected with the gain antenna (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202764.3U CN210268919U (en) | 2019-07-29 | 2019-07-29 | Wireless transmission device for temperature measurement data in front of furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921202764.3U CN210268919U (en) | 2019-07-29 | 2019-07-29 | Wireless transmission device for temperature measurement data in front of furnace |
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| Publication Number | Publication Date |
|---|---|
| CN210268919U true CN210268919U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921202764.3U Active CN210268919U (en) | 2019-07-29 | 2019-07-29 | Wireless transmission device for temperature measurement data in front of furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113849019A (en) * | 2021-09-14 | 2021-12-28 | 至誉科技（武汉）有限公司 | Intelligent management system and method based on CFexpress card reader |
-
2019
- 2019-07-29 CN CN201921202764.3U patent/CN210268919U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113849019A (en) * | 2021-09-14 | 2021-12-28 | 至誉科技（武汉）有限公司 | Intelligent management system and method based on CFexpress card reader |
| CN113849019B (en) * | 2021-09-14 | 2022-04-08 | 至誉科技（武汉）有限公司 | Intelligent management system and method based on CFexpress card reader |
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Address after: No. 322, 21 / F, building 4, No. 53, science Avenue, high tech Industrial Development Zone, Zhengzhou City, Henan Province, 450000 Patentee after: Zhengzhou Jinzheng mutual wing Casting Technology Co.,Ltd. Address before: Room 2111, 21 / F, building 1, yard 62, zhengtongdao, Erqi District, Zhengzhou City, Henan Province, 450000 Patentee before: Zhengzhou Jinzheng mutual wing Casting Technology Co.,Ltd. |
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