CN216899145U - Mining flame-proof type liquid level temperature sensor with digital display - Google Patents
Mining flame-proof type liquid level temperature sensor with digital display Download PDFInfo
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- CN216899145U CN216899145U CN202220703429.7U CN202220703429U CN216899145U CN 216899145 U CN216899145 U CN 216899145U CN 202220703429 U CN202220703429 U CN 202220703429U CN 216899145 U CN216899145 U CN 216899145U
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- 239000007788 liquid Substances 0.000 title claims abstract description 58
- 238000005065 mining Methods 0.000 title claims abstract description 33
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- 238000007789 sealing Methods 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 11
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model discloses a mining explosion-proof liquid level temperature sensor with a digital display, which is used for meeting the use requirements of the current mining mechanical equipment.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a mining explosion-proof liquid level temperature sensor with a digital display.
Background
The mining explosion-proof liquid level temperature sensor is mainly applied to liquid level temperature detection of coal mine mechanical equipment, and the automatic measurement and control level of the mining equipment is improved to a great extent. The liquid level temperature sensor adopts a magnetic position sensor and a temperature sensor which are used together, has wide applicability, and is matched with a high-precision conversion circuit to convert liquid level and temperature parameters of a control object into digital signals for output. Can be transmitted to a display, record and adjustment instrument to detect, adjust and control the system, thereby being widely applied.
At present, mining mechanical equipment is used for detecting the equipment of liquid level and temperature, mostly be solitary level sensor and temperature sensor, also there is the liquid level temperature sensor that the liquid level temperature is integrated together, but this kind of liquid level temperature sensor is mostly (4 ~ 20) mA current signal output, mining mechanical equipment all changes CAN bus communication gradually at present, (4 ~ 20) mA current signal output is not suitable for the demand of mining mechanical equipment at present, and the liquid level temperature sensor that mining mechanical equipment was using at present all does not have the digital display screen, CAN't audio-visual liquid level and temperature of looking over when sensor installation debugging and use.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a mining flame-proof type liquid level temperature sensor with a digital display, and aims to solve the problems that existing mining mechanical equipment for detecting liquid level and temperature is not provided with a digital display screen, and the liquid level and temperature cannot be visually checked during installation, debugging and use of the sensor.
In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a mining flame-proof type liquid level temperature sensor of digital display, the sensor includes digital display screen, electron storehouse, mount pad, magnetism float and measuring staff, the digital display screen sets up in the electron storehouse, the electron storehouse is installed on the mount pad, be provided with liquid level acquisition subassembly, temperature acquisition subassembly and integrated circuit subassembly in the electron storehouse, the liquid level acquisition subassembly includes magnetic position sensor, the temperature acquisition subassembly includes temperature sensor, the integrated circuit subassembly includes central processing unit, liquid level acquisition subassembly and temperature acquisition subassembly all with the central processing unit electricity is connected, the digital display screen with the central processing unit electricity is connected, the measuring staff is connected the mount pad, the magnetism float cover is established on the measuring staff, magnetic position sensor's waveguide tube extend into to in the measuring staff.
Furthermore, the electronic bin is internally provided with sight glass which corresponds to the digital display screen, a sight glass cover arranged on the electronic bin is arranged above the sight glass, and the upper surface and the lower surface of the sight glass are respectively provided with a red copper pad and a rubber pad.
Further, the digital display screen passes through the screw and the copper post is fixed in the electron storehouse, be provided with the digital display screen dustcoat on the digital display screen.
Furthermore, the sensor also comprises a threading seat, the threading seat is connected with the electronic cabin, a cable penetrates through the threading seat, and the cable is electrically connected with the circuit board.
Furthermore, the threading seat is connected with a cable pressing nail, and a sealing sleeve and a cable pressing gasket are arranged between the threading seat and the cable pressing nail.
Furthermore, an O-shaped sealing ring is arranged between the mounting seat and the measuring rod.
The utility model has the following advantages:
the utility model provides a mining explosion-proof liquid level temperature sensor with digital display, which is used for meeting the use requirements of the current mining mechanical equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic structural diagram of a mining explosion-proof liquid level temperature sensor with digital display provided in embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a mining explosion-proof liquid level temperature sensor with digital display provided in embodiment 1 of the present invention;
FIG. 3 is a schematic diagram of a measurement circuit principle of a mining explosion-proof liquid level temperature sensor with digital display provided in embodiment 1 of the present invention;
fig. 4 is a circuit diagram of a central processing unit of a mining explosion-proof liquid level temperature sensor with digital display provided in embodiment 1 of the present invention.
In the figure: the device comprises a sight glass cover 1, a red copper pad 2, an electronic bin 3, sight glass 4, a rubber pad 5, a digital display screen outer cover 6, a digital display screen 7, a copper column 8, a threading seat 9, an A0 sealing sleeve 10, a cable pressing line gasket 11, a cable 12, a cable pressing nail 13, an O-shaped sealing ring 14, an output signal plate 15, a sensitive element small plate 16, a sensitive element support 17, a sensitive element mounting seat 18, a mounting seat 19, a measuring rod 20, a waveguide tube 21, a magnetic floater 22 and an integrated circuit assembly 23.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1 and fig. 2, the embodiment provides a mining explosion-proof liquid level temperature sensor with digital display, and the sensor includes a digital display screen 7, an electronic cabin 3, a mounting seat 19, a magnetic float 22 and a measuring rod 20. Digital display screen 7 sets up in electron storehouse 3, electron storehouse 3 is installed on mount pad 19, be provided with the liquid level in the electron storehouse 3 and gather the subassembly, temperature acquisition subassembly and integrated circuit subassembly 23, the liquid level is gathered the subassembly and is included magnetic position sensor, the temperature acquisition subassembly includes temperature sensor, integrated circuit subassembly 23 includes central processing unit, as shown in fig. 3 and fig. 4, liquid level acquisition subassembly and temperature acquisition subassembly all are connected with central processing unit electricity, digital display screen 7 is connected with central processing unit electricity, mount pad 19 is connected to measuring staff 20, be provided with O type sealing washer 14 between mount pad 19 and the measuring staff 20. The magnetic float 22 is movably sleeved on the measuring rod 20, and the waveguide tube 21 of the magnetic position sensor extends into the measuring rod 20.
Be provided with the sight glass 4 that corresponds the setting with digital display screen 7 in the electron storehouse 3, sight glass 4 top is provided with the sight glass lid 1 of installing on electron storehouse 3, and the upper and lower face of sight glass 4 is filled up respectively and is equipped with red copper pad 2 and rubber pad 5. The digital display screen 7 is fixed in the electronic bin 3 through a screw and a copper column, and a digital display screen outer cover 6 is arranged on the digital display screen 7.
The sensor also comprises a threading seat 9, the threading seat 9 is connected with the electronic cabin 3, a cable 12 passes through the threading seat 9, and the cable 12 is electrically connected with the circuit board. The threading seat 9 is connected with a cable pressing nail 13, and an A0 sealing sleeve 10 and a cable pressing gasket 11 are arranged between the threading seat 9 and the cable pressing nail 13.
The assembling method comprises the following steps:
(1) the sight glass 4 is pressed on the electronic bin 3 through a sight glass cover 1 and a digital display screen outer cover 6 by screws, wherein the upper plane and the lower plane of the sight glass 4 are respectively padded with a red copper pad 2 and a rubber pad 5, and the sight glass 4 is partially assembled;
(2) the digital display screen 7 is fixed on the electronic bin 3 through screws and copper columns, and partial assembly of the digital display screen 7 is completed;
(3) the threading seat 9 and the electronic cabin 3 are welded into a whole by argon arc welding, the cable is assembled on the threading seat 9 by a cable pressing nail 13 through a sealing sleeve 10A 0 and a cable pressing gasket 11 and through thread pressing, and the partial assembly of the cable is completed;
(4) the measuring rod 20 and the mounting seat 19 are welded into a whole by argon arc welding, and the O-shaped ring is arranged in a groove of the mounting seat 19 to complete the partial assembly of the measuring rod 20;
(5) the sensitive element small plate 16 is arranged on a sensitive element support 17, the signal output plate 15 is arranged together with the sensitive element small plate 16 through welding, and the sensitive element mounting seat 19 is arranged on the sensitive element support 17 through screws to complete the partial assembly of the sensitive element assembly (the sensitive element small plate 16 is a circuit board in the magnetic position sensor, the temperature measurement is realized through a temperature measuring chip which is also integrated on the circuit board of the magnetic position sensor);
(6) the sensor assembly is partially installed in the installation seat 19, and the installation seat 19 is installed together with the electronic cabin 3 through screws, so that the integral assembly of the sensor is completed.
The magnetic position sensor is composed of a waveguide 21, a movable magnetic float 22, and electronic components. The magnetic float 22 and the waveguide 21 generate a longitudinal magnetic field. A second magnetic field is generated by the radial aspect of waveguide 21 each time a current pulse (i.e., an "interrogation signal") is sent from the sensor electronics and through waveguide 21. The moment these two magnetic fields intersect at the waveguide, a strain pulse is generated. This pulse, called the "echo signal", is returned from the point of generation (i.e., the position measurement point) to the sensor electronics and detected by the detector, and the high speed timer measures the time period from the interrogation signal to the arrival of the return signal, allowing the precise position of the magnetic float 22 to be quickly and accurately calculated.
According to the mining explosion-proof liquid level temperature sensor with the digital display, the magnetic position sensor and the temperature sensor are integrated together, and a high-precision conversion circuit is matched to convert liquid level and temperature parameters of a control object into digital signals for output. The CAN bus communication is transmitted to a display, record and adjustment instrument to detect, adjust and control the system. And simultaneously, the liquid level and temperature parameters of the control object are transmitted to the display screen, and the liquid level and temperature measurement value is displayed through the display screen. And the display screen can also display the working state of the sensor, and can confirm whether the sensor works normally. If the sensor fails, the specific failure can be directly displayed through the display screen.
The mining flame-proof type liquid level temperature sensor with the digital display provided by the embodiment has the following obvious advantages:
(1) the liquid level temperature sensor integrates the liquid level sensor and the temperature sensor, and the integrated structure greatly improves the automatic control level of the mining equipment.
(2) The output mode of the liquid level temperature sensor is CAN bus output, and the CAN bus output is more suitable for the requirements of the current mining equipment.
(3) The liquid level temperature sensor is provided with a digital display screen 7, and the measured values of the liquid level and the temperature can be directly checked through the digital display screen 7. The working state of the sensor can be displayed through the digital display screen 7, and specific fault information can be directly checked when a fault occurs.
(4) The liquid level temperature sensor has higher protection grade, and the protection grade of the whole machine can reach IP 68.
(5) The liquid level temperature sensor is integrally designed to meet the explosion-proof requirement of mining products, and is suitable for coal mine mechanical equipment, such as heading machines, coal mining machines and the like.
(6) The liquid level temperature sensor can adjust the range of the liquid level range which is 50-3000 mm and the range of the temperature range which is 0-85 ℃ according to the requirement.
(7) This kind of 7 windows of liquid level temperature sensor digital display screen are 45 inclined plane orientations, make things convenient for operating personnel to look over 7 numerical values of digital display screen, and 7 structures of digital display screen are more reasonable.
(8) The installation position of the sight glass 4 of the liquid level temperature sensor adopts the red copper pad 2 with lower hardness arranged at the upper end, thereby not only meeting the requirement of an explosion-proof joint surface, but also playing a certain sealing role and avoiding damaging the sight glass 4. Rubber pad 5 is adorned to 4 lower extremes of sight glass, and rubber pad 5 is compressed when the assembly, has both guaranteed sight glass 4 firm in erection, has better sealed effect again, makes whole machine have higher protection level.
(9) The measuring rod 20 of the liquid level temperature sensor, the mounting seat 19, the threading seat 9 and the electronic cabin 3 are welded together by argon arc, so that the sealing property, the pressure resistance and the shock resistance are twice of the common sealing property, the pressure resistance and the shock resistance.
(10) The liquid level temperature sensor digital display screen 7 is installed from the outside, the sight glass cover 1 is detached, the digital display screen 7 can be overhauled, and the sensor does not need to be disassembled.
(11) The sight glass 4 of the liquid level temperature sensor adopts toughened glass with the thickness of 10mm, and the structural members are all made of 304 stainless steel, so that the sight glass has higher strength and can be used in a severe environment.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (6)
1. A mining explosion-proof liquid level temperature sensor with digital display is characterized in that the sensor comprises a digital display screen, an electronic bin, a mounting seat, a magnetic floater and a measuring rod, the digital display screen is arranged in the electronic bin, the electronic bin is arranged on the mounting seat, a liquid level acquisition assembly, a temperature acquisition assembly and an integrated circuit assembly are arranged in the electronic bin, the liquid level acquisition assembly comprises a magnetic position sensor, the temperature acquisition assembly comprises a temperature sensor, the integrated circuit assembly comprises a central processing unit, the liquid level acquisition assembly and the temperature acquisition assembly are both electrically connected with the central processing unit, the digital display screen with the central processing unit electricity is connected, the measuring staff is connected the mount pad, the magnetism float cover is established on the measuring staff, magnetism position sensor's waveguide tube extend into to in the measuring staff.
2. The mining flame-proof type liquid level temperature sensor with the digital display according to claim 1, characterized in that a sight glass arranged corresponding to the digital display screen is arranged in the electronic bin, a sight glass cover arranged on the electronic bin is arranged above the sight glass, and a red copper pad and a rubber pad are respectively padded on the upper surface and the lower surface of the sight glass.
3. The mining flame-proof type liquid level temperature sensor with the digital display according to claim 1, wherein the digital display screen is fixed in the electronic bin through a screw and a copper column, and a digital display screen outer cover is arranged on the digital display screen.
4. The mining flame-proof type liquid level temperature sensor with the digital display according to claim 1, characterized in that the sensor further comprises a threading seat, the threading seat is connected with the electronic cabin, a cable penetrates through the threading seat, and the cable is electrically connected with a circuit board.
5. The mining flame-proof type liquid level temperature sensor with the digital display according to claim 4, characterized in that the threading seat is connected with a cable pressing nail, and a sealing sleeve and a cable pressing gasket are arranged between the threading seat and the cable pressing nail.
6. The mining flame-proof type liquid level temperature sensor with the digital display according to claim 1, characterized in that an O-shaped sealing ring is arranged between the mounting seat and the measuring rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220703429.7U CN216899145U (en) | 2022-03-29 | 2022-03-29 | Mining flame-proof type liquid level temperature sensor with digital display |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220703429.7U CN216899145U (en) | 2022-03-29 | 2022-03-29 | Mining flame-proof type liquid level temperature sensor with digital display |
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| CN216899145U true CN216899145U (en) | 2022-07-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200748A (en) * | 2022-09-15 | 2022-10-18 | 深圳市景新浩科技有限公司 | State measurement control system based on intelligent electronic thermometer |
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- 2022-03-29 CN CN202220703429.7U patent/CN216899145U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115200748A (en) * | 2022-09-15 | 2022-10-18 | 深圳市景新浩科技有限公司 | State measurement control system based on intelligent electronic thermometer |
| CN115200748B (en) * | 2022-09-15 | 2022-12-02 | 深圳市景新浩科技有限公司 | State measurement control system based on intelligent electronic thermometer |
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