CN209820584U - Boiler liquid level tester - Google Patents
Boiler liquid level tester Download PDFInfo
- Publication number
- CN209820584U CN209820584U CN201920966034.4U CN201920966034U CN209820584U CN 209820584 U CN209820584 U CN 209820584U CN 201920966034 U CN201920966034 U CN 201920966034U CN 209820584 U CN209820584 U CN 209820584U
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- CN
- China
- Prior art keywords
- sleeve
- shell
- electric pole
- liquid level
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 239000007791 liquid phase Substances 0.000 claims abstract description 14
- 239000012071 phase Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 10
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007792 gaseous phase Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Level Indicators Using A Float (AREA)
Abstract
The utility model relates to a boiler liquid level tester, which comprises a shell, a liquid phase connecting end and a gas phase connecting end, wherein the liquid phase connecting end and the gas phase connecting end are arranged on the shell; the device also comprises a sleeve arranged in the shell, a magnetic floating sleeve sleeved on the sleeve, a detection module arranged in the sleeve and a display system arranged at the upper end of the shell. The detection module comprises a first electric pole and a second electric pole which are arranged in the sleeve, a passive floater which is respectively connected with the first electric pole and the second electric pole in a sliding manner, and a detection chip which is connected with the display system, wherein the first electric pole and the second electric pole are connected with the detection chip. The display system comprises a control chip connected with the detection chip, a display chip connected with the control chip, an LED display screen connected with the display chip and a power supply module used for supplying electric energy to the detection chip, the control chip, the display chip and the LED display screen. The utility model is used for the level gauge of boiler detects, has long service life and maintains convenient characteristics.
Description
Technical Field
The utility model belongs to the technical field of the technique of boiler liquid level detection equipment and specifically relates to a boiler liquid level tester is related to.
Background
The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, and the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy.
In order to ensure the normal operation of the boiler, the liquid level of the boiler needs to be maintained at a normal standard value. The liquid level of the boiler is too low, so that serious accidents are easily caused by the fact that the boiler is dried; the liquid level of the boiler is too high, so that the danger of overflow is caused. Therefore, the level of the boiler liquid must be strictly controlled by a regulator to ensure the normal and safe operation of the boiler.
In the daily inspection process, the display numerical value of the boiler liquid level meter needs to be recorded regularly, and because water softener, descaling agent, corrosion inhibitor and the like can be added in the operation process of the boiler, the additives can improve the operation efficiency of the boiler, but can be attached to a floater in a liquid level tester, so that the floater in the liquid level tester is abnormally lifted. After the liquid level tester operates abnormally, the liquid level tester can only be integrally replaced, the replacement time is long, and the replacement cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a boiler liquid level tester, the sleeve pipe among this boiler liquid level tester will be kept apart by the liquid in float and the boiler, can guarantee that passive float is in the state of normal work all the time.
The above object of the present invention can be achieved by the following technical solutions:
a boiler liquid level tester comprises a shell, and a liquid phase connecting end and a gas phase connecting end which are arranged on the shell; the device also comprises a sleeve arranged in the shell, a magnetic floating sleeve sleeved on the sleeve, a detection module arranged in the sleeve and a display system arranged at the upper end of the shell;
the detection module comprises a first electric pole and a second electric pole which are arranged in the sleeve, a passive floater which is respectively connected with the first electric pole and the second electric pole in a sliding way, and a detection chip which is connected with the display system;
first pole and second pole all are connected with the detection chip.
Through adopting the technical scheme, the utility model provides a liquid phase link and gaseous phase link all connect on the boiler, and heat-conducting medium in the boiler passes through the liquid phase link and gets into the shell, and under the effect of buoyancy, the cover is floated and can float in the shell and drive passive float through magnetic force and slide on first pole and second pole along with the change of liquid level in the shell to the magnetic floating sleeve on the sleeve pipe. In the process, the resistance on the circuit is changed, and the liquid level height in the boiler can be correspondingly calculated through determining the resistance value of the circuit. The detection mode isolates the passive floater from the liquid in the boiler, the working environment of the passive floater is stable, and the conditions of influencing the work, such as corrosion, surface adhesion and the like, can not occur.
The utility model discloses further set up to: the display system comprises a control chip connected with the detection chip, an LED display screen connected with the control chip and a power supply module used for supplying electric energy to the detection chip, the control chip, the LED display screen, the first electric pole and the second electric pole.
Through adopting the technical scheme, the utility model provides a display system's concrete structure detects the chip and sends the result to control chip, and control chip sends the result to display chip and final demonstration on the LED display screen, and the personnel of patrolling and examining can directly read the liquid level in the boiler through the digit on the LED display screen.
The utility model discloses further set up to: and a sewage discharge end is arranged at the bottom of the shell.
Through adopting above-mentioned technical scheme, can discharge the precipitate of shell bottom through the blowdown end, avoid the precipitate too much to lead to passive float work unusual.
The utility model discloses further set up to: the end of the shell is provided with a flushing end.
Through adopting above-mentioned technical scheme, can wash the inner wall of shell through pouring into a large amount of clear water to washing the end, can effectively get rid of the attachment on the shell inner wall surface, the cleaning performance is better.
The utility model discloses further set up to: the magnetic floating sleeve comprises a floater in sliding connection with the sleeve and a first magnetic ring arranged on the inner wall of the floater and matched with the driven floater.
Through the technical scheme, the utility model provides a concrete structure of magnetic float cover, the use float that gathers provides buoyancy, and the passive float of first magnetic ring pulling slides in the sleeve pipe.
The utility model discloses further set up to: and a second magnetic ring matched with the first magnetic ring is arranged on the outer surface of the driven floater.
Through adopting the technical scheme, the utility model discloses increased a second magnetic ring on passive float's surface, the second magnetic ring can increase passive float and the magnetic float cover between the suction, further reduces the probability that the two breaks away from.
The utility model discloses further set up to: the lower end of the sleeve is a closed end;
a positioning ring matched with the sleeve is arranged on the inner wall of the bottom end of the shell;
the lower end of the sleeve is inserted into the positioning ring.
Through adopting above-mentioned technical scheme, the sheathed tube lower extreme disect insertion is in the locating ring on the shell bottom, and this kind of locate mode simple structure, simple to operate.
The utility model discloses further set up to: the upper end of the sleeve is in threaded connection with the shell.
Through adopting above-mentioned technical scheme, when carrying out maintenance operation, can directly take off the sleeve pipe and wash or change, it is more convenient to use.
To sum up, the utility model discloses a beneficial technological effect does:
1. the utility model provides a liquid phase link and gaseous phase link all connect on the boiler, and heat-conducting medium in the boiler passes through the liquid phase link and gets into the shell, and under the effect of buoyancy, the cover is floated cover can float and drive passive float through magnetic force and slide on first pole and second pole in the shell along with the change of liquid level in the shell in the cover on the cover pipe. In the process, the resistance on the circuit is changed, and the liquid level height in the boiler can be correspondingly calculated through determining the resistance value of the circuit. The detection mode isolates the passive floater from the liquid in the boiler, the working environment of the passive floater is stable, and the conditions of influencing the work, such as corrosion, surface adhesion and the like, can not occur.
2. In the maintenance process, the inner wall of the shell can be cleaned by injecting a large amount of clean water into the flushing end, and attachments on the surface of the inner wall of the shell are removed. The blowdown end of shell bottom can be discharged the attachment that the sediment in the shell and wash down in the lump, like this at daily maintenance in-process, need not demolish, can effectively shorten the maintenance time, improves maintenance efficiency.
3. The utility model provides a sheathed tube lower extreme disect insertion is in the locating ring of shell bottom, upper end and shell threaded connection, can wash or change after taking out the sleeve pipe like this when maintaining or changing, and need not dismantle the shell, and the operation content still less, especially avoided the dismantlement repeatedly of liquid phase link and gaseous phase link, can effectively reduce the two probability that takes place to leak with the boiler junction.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the present invention.
Figure 2 is a schematic view of the working principle of the first pole, the second pole and the passive floats.
Fig. 3 is a schematic block diagram of the circuit connection of the present invention.
FIG. 4 is a schematic diagram of a circuit connection when the detection chip collects a voltage value.
FIG. 5 is a schematic diagram of circuit connection when the current value is collected by the detection chip.
In the figure, 11, the housing; 12. a liquid phase connection end; 13. a gas phase connection end; 14. a sleeve; 21. A first electric pole; 22. a second pole; 23. a passive float; 24. detecting a chip; 31. a control chip; 33. an LED display screen; 34. a power supply module; 41. a blowdown end; 42. flushing the end; 51. a float; 52. a first magnetic ring; 53. a second magnetic ring; 61. a retaining ring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a boiler liquid level tester, its main part is shell 11, and the shell uses the pipe preparation, and its lower extreme is the blind end, and the welding has a holding ring 61 on the inner wall of this blind end. Two ends of the shell 11 are respectively connected with a liquid phase connecting end 12 and a gas phase connecting end 13, and the liquid phase connecting end 12 and the gas phase connecting end 13 are composed of a section of round pipe and a flange welded on the round pipe and are responsible for being connected with a boiler.
The sleeve 14 is also made of a round tube, both ends of which are closed. The lower end of the sleeve 14 is inserted into the retaining ring 61 and the upper end is screwed to the housing 11. The outer wall of the sleeve 14 is sleeved with a magnetic floating sleeve, which is composed of a floater 51 and a first magnetic ring 52, wherein the floater 51 is sleeved on the sleeve 14, and the inner hole of the floater 51 is in clearance fit with the sleeve 14 and can freely slide on the sleeve 14. The first magnetic ring 52 is fixed to the magnetic float without contacting the sleeve 14. The shell 11, the sleeve 14 and the accessory parts are all made of non-metal insulating materials, and signal interference, corrosion and the like are reduced.
A blowdown end 41 is installed at the bottom of shell 11, and blowdown end 41 comprises a section of pipe, the flange of welding on the pipe and the blind plate of fixing on the flange of welding on shell 11, takes off the blind plate during the use, and the back dress returns after using up. The flushing end 42 is mounted at the end of the housing 11 and is of the same construction as the waste end 41 and will not be described further.
The detection module comprises a first electric pole 21, a second electric pole 22, a passive floater 23, a detection chip 24 and the like, and the detection chip 24 is fixedly arranged on the outer side surface of the upper end of the sleeve 14. The first pole 21 and the second pole 22 are both fixedly mounted in the sleeve 14, the lower ends of the two are fixed on the bottom surface of the sleeve 14, the upper ends of the two are fixed on the detection chip 24, and the axes of the first pole 21 and the second pole 22 are both parallel to the axis of the sleeve 14. The passive float 23 is sleeved on the first pole 21 and the second pole 22, can freely slide on the first pole 21 and the second pole 22, and is fixed with a second magnetic ring 53 on the outer surface, and the magnetic pole of the second magnetic ring 53 close to the inner surface side of the sleeve 14 is opposite to the magnetic pole of the first magnetic ring 52 close to the outer surface side of the sleeve 14.
Referring to fig. 2, the dotted line part of the figure is a schematic diagram of the position of the passive float 23 during operation, and when the position of the passive float 23 changes, the sum of the resistances of the first electric pole 21, the second electric pole 22 and the passive float 23 changes, and when the position of the passive float moves, the sum of the resistances increases, and otherwise the sum decreases.
Referring to fig. 3, the display system is composed of a control chip 31, an LED display screen 33, a power supply module 34, etc., which are all installed on the outer side surface of the upper end of the sleeve. The detection chip 24, the control chip 31 and the LED display screen 33 are connected in sequence. The power supply module 34 is respectively connected with the detection chip 24, the control chip 31, the LED display screen 33, the first electric pole 21 and the second electric pole 22, and is responsible for supplying electric energy thereto.
The control chip 31 adopts AT89C51, the detection chip 24 adopts ADC0804, and the ADC0804 acquires voltage signals, so that a voltage dividing resistor needs to be added on a circuit, the ADC0804 acquires voltage values on the voltage dividing resistor, and the liquid level of the boiler is calculated through the change of the voltage values. If the ADC0804 chip is replaced by a current acquisition chip, the voltage dividing resistor needs to be replaced by a protective resistor with a proper resistance value.
Referring back to fig. 1, a protective cover is added to the upper end of the casing 14, the detection chip 24, the control chip 31 and the power supply module 34 are all placed in the protective cover, and the display screen 33 is installed on the outer surface of the protective cover.
Referring to fig. 4, when the detection chip 24 collects a voltage value, the voltage dividing resistor is connected in series with the first electric pole 21, the second electric pole 22 and the passive float 23, and the detection chip 24 is connected at two ends of the voltage dividing resistor.
Referring to fig. 5, when the detection chip 24 collects a current value, the protection resistor, the first electric pole 21, the second electric pole 22 and the passive float 23 are connected in series, and the detection chip 24 is also connected in series in the circuit.
The implementation principle of the embodiment is as follows:
during installation, the liquid phase connecting end 12 is connected with the gas phase connecting end 13 and a corresponding connecting port on the boiler respectively, and after connection is completed, heat-conducting media in the boiler enter the shell 11 through the liquid phase connecting end 12.
The magnetic float gradually floats under the buoyancy of the heat transfer medium, and in the process, the passive float 23 also moves along with the magnetic float and slides on the first electric pole 21 and the second electric pole 22. In the sliding process, the resistance value of the path formed by the first electric pole 21, the second electric pole 22 and the passive floater 23 changes, when the passive floater 23 moves towards the direction close to the detection chip 24, the resistance value of the path is reduced, the voltage value on the voltage division resistor is increased, otherwise, the voltage value on the voltage division resistor is reduced.
The detection chip 24 inputs the detected result to the control chip 31, and the control chip 31 sends the data to the LED display screen 33 for display.
As the time of use increases, impurities in the boiler may adhere to the inner wall of the casing 11 and the outer wall of the casing 14 and also precipitate at the bottom of the casing 11. During routine maintenance operation, the flange on the sewage discharge end 41 is directly opened, and sediment is discharged by means of water pressure. When the maintenance is planned, it is necessary to open the sewage discharging end 41 and the flushing end 42 at the same time, and to inject a large amount of clean water into the flushing end 42, and to flush out the deposits attached to the inner wall of the housing 11 and the outer wall of the casing 14 and the sediments at the bottom of the housing 11 by the impulsive force of the clean water.
After the sleeve 14 or the parts inside it have been damaged, the sleeve 14 can be unscrewed directly from the housing 11 and a new sleeve 14 can be installed. The sleeve 14 can also be removed after the magnetic floating sleeve is damaged, and the sleeve 14 can be installed again after a new magnetic floating sleeve is replaced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A boiler liquid level tester comprises a shell (11), and a liquid phase connecting end (12) and a gas phase connecting end (13) which are arranged on the shell (11); the method is characterized in that: the device also comprises a sleeve (14) arranged in the shell (11), a magnetic floating sleeve sleeved on the sleeve (14), a detection module arranged in the sleeve (14) and a display system arranged at the upper end of the shell (11);
the detection module comprises a first electric pole (21) and a second electric pole (22) which are arranged in a sleeve (14), a passive floater (23) which is respectively connected with the first electric pole (21) and the second electric pole (22) in a sliding way, and a detection chip (24) which is connected with a display system;
the first electric pole (21) and the second electric pole (22) are both connected with a detection chip (24).
2. The boiler liquid level tester of claim 1, wherein: the display system comprises a control chip (31) connected with the detection chip (24), an LED display screen (33) connected with the control chip (31), and a power supply module (34) used for supplying electric energy to the detection chip (24), the control chip (31), the LED display screen (33), the first electric pole (21) and the second electric pole (22).
3. The boiler liquid level tester of claim 1, wherein: the bottom of the shell (11) is provided with a sewage discharge end (41).
4. A boiler liquid level tester as claimed in claim 3, wherein: the end of the shell (11) is provided with a flushing end (42).
5. The boiler liquid level tester of claim 1, wherein: the magnetic floating sleeve comprises a floater (51) which is connected with the sleeve (14) in a sliding way and a first magnetic ring (52) which is arranged on the inner wall of the floater (51) and matched with the driven floater (23).
6. The boiler liquid level tester of claim 5, wherein: and a second magnetic ring (53) matched with the first magnetic ring (52) is arranged on the outer surface of the driven floater (23).
7. The boiler liquid level tester as claimed in any one of claims 1 to 6, wherein: the lower end of the sleeve (14) is a closed end;
a positioning ring (61) matched with the sleeve (14) is arranged on the inner wall of the bottom end of the shell (11);
the lower end of the sleeve (14) is inserted into a positioning ring (61).
8. The boiler liquid level tester of claim 7, wherein: the upper end of the sleeve (14) is in threaded connection with the shell (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966034.4U CN209820584U (en) | 2019-06-25 | 2019-06-25 | Boiler liquid level tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966034.4U CN209820584U (en) | 2019-06-25 | 2019-06-25 | Boiler liquid level tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209820584U true CN209820584U (en) | 2019-12-20 |
Family
ID=68884824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920966034.4U Expired - Fee Related CN209820584U (en) | 2019-06-25 | 2019-06-25 | Boiler liquid level tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209820584U (en) |
-
2019
- 2019-06-25 CN CN201920966034.4U patent/CN209820584U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |