CN213239826U - Little water density detection sensor - Google Patents
Little water density detection sensor Download PDFInfo
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- CN213239826U CN213239826U CN202022284000.2U CN202022284000U CN213239826U CN 213239826 U CN213239826 U CN 213239826U CN 202022284000 U CN202022284000 U CN 202022284000U CN 213239826 U CN213239826 U CN 213239826U
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- water density
- detection sensor
- density detection
- fixedly connected
- air guide
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Abstract
The utility model discloses a little water density detection sensor, the on-line screen storage device comprises a base, the equal fixedly connected with pillar in both ends of base, the top fixedly connected with wind-guiding shell of box body, the wind-guiding shell corresponds the middle part at little water density detection sensor body entry end, the upper end fixed mounting of rubber branch has temperature and humidity sensor. The device makes the air exhauster extract during the hot-air admission wind-guiding chamber of wind-guiding shell in the heating chamber, hot-blast rethread silica gel guide duct blows in inside the little water density detection sensor body afterwards, thereby be convenient for accelerate the evaporation of water in the little water density detection sensor body inner chamber, and then be favorable to guaranteeing detection quality, detection efficiency has been improved, monitor the inside temperature and humidity of water density detection sensor body through temperature and humidity sensor, when the inside of water density detection sensor body reachs suitable humiture, control each electrical apparatus stop work can, the device simple structure, low use cost, the flexible operation.
Description
Technical Field
The utility model belongs to the technical field of check out test set, concretely relates to little water density detection sensor.
Background
At present, in an electric power system, in order to reduce the workload of maintenance and improve the reliability and safety, GIS (gas insulated metal enclosed switchgear) is mostly adopted, and the GIS adopts sulfur hexafluoride (SF6) gas with excellent insulating property and arc extinguishing property as an insulating and arc extinguishing medium, and seals all high-voltage electrical components in a grounding metal cylinder. The gas tightness inside the GIS and the micro-water content of the insulating gas SF6 are related to the safety of the whole power system, when the existing SF6 micro-water density detection sensor is used for a long time and needs to be disassembled, overhauled or replaced, water molecules in the ambient air are very easy to attach to the inner wall of the sensor and the surfaces of electronic elements and the like, and when the sensor is installed again and used, the detection precision can be influenced.
Therefore, the publication No. CN110687008A discloses a micro water sensor multi-station vacuum aging device, wherein a self-sealing valve is fixedly arranged on an aging tank body; a micro water density sensor is fixedly arranged on the self-sealing valve; the inlet of the micro water density sensor is communicated with the cavity of the self-sealing valve; the cavity of the self-sealing valve is communicated with the cavity of the aging tank body; a temperature transmitter, a dew point sensor and a pressure sensor are fixedly arranged in the aging tank body; and the signal transmission ports of the temperature transmitter, the dew point sensor, the pressure sensor and the display are respectively connected with the signal transmission port of the control module. Can take out the micro-moisture that changer inner space and inner wall adsorbed to keep the aridity of sensor, shorten the equilibrium time after the micro-moisture sensor uses.
The following disadvantages still remain: the device has a complex structure, needs a plurality of electrical equipment, is high in cost and needs to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a little water density detection sensor to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a micro water density detection sensor comprises a base, wherein two ends of the base are fixedly connected with pillars, sliding sleeves are connected onto the pillars in a sliding mode, fastening plates are fixedly connected between the sliding sleeves, a support plate is fixedly connected between the inner sides of the pillars, a micro water density detection sensor body is clamped between the support plate and the fastening plates, a step-down groove is formed in the support plate, an inlet end of the micro water density detection sensor body penetrates into the step-down groove, two support rods are fixedly connected onto the base, a box body is fixedly connected between the support rods, a door cover is hinged onto the front face of the box body, a heating resistance wire is fixedly installed inside the box body, a wind guide shell is fixedly connected onto the top of the box body and corresponds to the middle of the inlet end of the micro water density detection sensor body, and a rubber support rod is fixedly connected onto the box body corresponding to one side of, the temperature and humidity sensor is fixedly mounted at the upper end of the rubber supporting rod and arranged inside the inlet end of the micro-water density detection sensor body, and the PLC is fixedly mounted on the side wall of the supporting rod.
Preferably, the top fixedly connected with baffle of pillar, the fixed connection has the spring between baffle and the sliding sleeve, the spring housing is established on the pillar.
This setting has effectively improved connection structure's steadiness between sliding sleeve and the pillar, is convenient for drive the mounting plate and carries out elastic stretching to the mounting plate of being convenient for compresses tightly fixed little water density and detects sensor body, convenient to use.
Preferably, an anti-skid rubber mat is fixedly connected to the surface of the support plate.
This setting is avoided wearing and tearing little water density to detect the sensor body, and the protecting effect is good to difficult the skidding makes its installation location accurate, and the steadiness is high.
Preferably, a heating cavity is arranged in the box body, an air guide cavity is arranged in the air guide shell, an exhaust fan is fixedly mounted at the top of the box body, and two ends of the exhaust fan are respectively communicated with the heating cavity and the air guide cavity.
This setting is convenient for during the hot-air admission wind-guiding chamber in the air exhauster extraction heating chamber to make it is hot-blast to blow in little water density detection sensor body inside through the silica gel guide duct again, thereby be convenient for accelerate the evaporation of water in little water density detection sensor body inner chamber, thereby be favorable to guaranteeing detection quality, improved detection efficiency.
Preferably, the air guide cavity and the air guide shell are both arranged in a truncated cone structure, the top of the air guide shell is fixedly connected with silica gel air guide pipes which are uniformly distributed, and the silica gel air guide pipes extend into the interior of the inlet end of the micro-water density detection sensor body.
This setting is convenient for wind-guiding shell is more for the stable accurate butt joint to the entry end department of little water density detection sensor body, and the wind-guiding shell of being convenient for keeps certain distance with the entry end inside of little water density detection sensor body, makes things convenient for the circulation of air, is convenient for avoid the hard contact to little water density detection sensor body through the silica gel guide duct, has effectively avoided the wearing and tearing phenomenon to little water density detection sensor body inside, and the protecting effect is good.
Preferably, the exhaust fan, the heating resistance wire and the temperature and humidity sensor are electrically connected with the PLC.
The arrangement is convenient for controlling each electrical equipment to work.
Compared with the prior art, the utility model discloses a technological effect and advantage: the micro water density detection sensor is characterized in that a fastening plate is pulled upwards to extrude a spring, then a micro water density detection sensor body is placed on a support plate, the fastening plate is loosened, the spring can be reset to drive the fastening plate to be tightly pressed and fixed on the micro water density detection sensor body, so that the micro water density detection sensor body is stably clamped, at the moment, a temperature and humidity sensor and a silica gel air guide pipe both extend into an inlet end of the micro water density detection sensor body, a PLC (programmable logic controller) is used for starting a heating resistance wire to heat air in a box body to a proper temperature, an exhaust fan is started to extract hot air in a heating cavity to enter an air guide cavity of an air guide shell, and hot air is blown into the interior of the micro water density detection sensor body through the silica gel air guide pipe, so that the acceleration of water evaporation in an inner cavity of the micro water density detection sensor body is facilitated, and, the efficiency of detection is improved, simultaneously, monitor the inside temperature and humidity of water density detection sensor body through temperature and humidity sensor for on signal transmission to the PLC controller, conveniently carry out effectual regulation and control to heating resistor silk and air exhauster, when the inside of water density detection sensor body reachs suitable humiture, can control each electrical apparatus stop work, the simple operation is nimble.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the present invention;
fig. 3 is a schematic view of the rubber support rod of the present invention.
In the figure: 1. a base; 2. a pillar; 201. a baffle plate; 202. a spring; 3. a fastening plate; 301. a sliding sleeve; 4. a micro water density detection sensor body; 5. a support plate; 501. a yielding groove; 502. an anti-slip rubber pad; 6. a strut; 7. a box body; 701. a door cover; 702. a heating cavity; 703. heating resistance wires; 704. an exhaust fan; 8. a wind guide shell; 801. a wind guide cavity; 802. a silica gel air guide pipe; 9. a rubber strut; 901. a temperature and humidity sensor; 10. a PLC controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, a sensor for detecting micro water density comprises a base 1, pillars 2 are fixedly connected to both ends of the base 1, sliding sleeves 301 are slidably connected to the pillars 2, fastening plates 3 are fixedly connected between the sliding sleeves 301, a support plate 5 is fixedly connected between the inner sides of the pillars 2, a body 4 of the sensor for detecting micro water density is clamped between the support plate 5 and the fastening plates 3, a recess 501 is arranged on the support plate 5, an inlet end of the body 4 of the sensor for detecting micro water density penetrates into the recess 501, two support rods 6 are fixedly connected to the base 1, a box body 7 is fixedly connected between the support rods 6, a door cover 701 is hinged to the front surface of the box body 7, a heating resistance wire is fixedly installed inside the box body 7, a wind guide shell 8 is fixedly connected to the top of the box body 7, and the wind guide shell 8 corresponds to the middle part 703 of the inlet end of the body 4 of the sensor for detecting micro, the box body 7 corresponding to one side of the air guide shell 8 is fixedly connected with a rubber supporting rod 96, the upper end of the rubber supporting rod 96 is fixedly provided with a temperature and humidity sensor 901, the temperature and humidity sensor 901 is arranged inside the inlet end of the micro-water density detection sensor body 4, and the side wall of the supporting rod 6 is fixedly provided with a PLC (programmable logic controller) 10.
The top of the pillar 2 is fixedly connected with a baffle 201, a spring 202 is fixedly connected between the baffle 201 and the sliding sleeve 301, and the spring 202 is sleeved on the pillar 2; effectively improved connection structure's between sliding sleeve 301 and the pillar 2 steadiness, be convenient for drive mounting plate 3 and carry out elastic stretching to mounting plate 3 compresses tightly fixed little water density detection sensor body 4, convenient to use of being convenient for.
An anti-skid rubber pad 502 is fixedly connected to the surface of the support plate 5; the micro-water density detection sensor body 4 is prevented from being abraded, the protection effect is good, the sensor body is not easy to slip, the installation and the positioning are accurate, and the stability is high.
A heating cavity 702 is arranged in the box body 7, an air guide cavity 801 is arranged in the air guide shell 8, an exhaust fan 704 is fixedly installed at the top of the box body 7, and two ends of the exhaust fan 704 are respectively communicated with the heating cavity 702 and the air guide cavity 801; the exhaust fan 704 is convenient to extract hot air in the heating cavity 702 to enter the air guide cavity 801, and hot air is blown into the micro water density detection sensor body 4 through the silica gel air guide pipe 802, so that the evaporation of water in the inner cavity of the micro water density detection sensor body 4 is accelerated, the detection quality is guaranteed, and the detection efficiency is improved.
The air guide cavity 801 and the air guide shell 8 are arranged in a truncated cone structure, the top of the air guide shell 8 is fixedly connected with silica gel air guide pipes 802 which are uniformly distributed, and the silica gel air guide pipes 802 extend into the inlet end of the micro-water density detection sensor body 4; the air guide shell 8 of being convenient for is more for the stable accurate butt joint to the entry end department of little water density detection sensor body 4, and the air guide shell 8 of being convenient for keeps certain distance with the entry end inside of little water density detection sensor body 4, makes things convenient for the circulation of air, is convenient for avoid the hard contact to little water density detection sensor body 4 through silica gel guide duct 802, has effectively avoided the wearing and tearing phenomenon to little water density detection sensor body 4 inside, and the protecting effect is good.
The exhaust fan 704, the heating resistance wire 703 and the temperature and humidity sensor 901 are electrically connected with the PLC 10; and each electrical equipment can be conveniently controlled to work.
Specifically, when in use, the fastening plate 3 is pulled upwards and extrudes the spring 202, then the micro water density detection sensor body 4 is placed on the support plate 5, and the fastening plate 3 is loosened, so that the spring 202 is reset to drive the fastening plate 3 to be tightly pressed and fixed on the micro water density detection sensor body 4, and the micro water density detection sensor body 4 is stably clamped, at the moment, the temperature and humidity sensor 901 and the silica gel air guide pipe 802 both extend into the inlet end of the micro water density detection sensor body 4, the heating resistance wire 703 is started through the PLC 10 to heat the air inside the box body 7 to a proper temperature, the exhaust fan 704 is started to extract the hot air in the heating cavity 702 to enter the air guide cavity 801 of the air guide shell 8, and the hot air is blown into the interior of the micro water density detection sensor body 4 through the silica gel air guide pipe 802, thereby facilitating the acceleration of the evaporation of the water in the inner cavity of the micro water density detection, therefore, the detection quality can be guaranteed, the detection efficiency is improved, meanwhile, the temperature and the humidity inside the water density detection sensor body are monitored through the temperature and humidity sensor 901, signals are transmitted to the PLC 10, the heating resistance wire 703 and the exhaust fan 704 can be conveniently and effectively regulated, when the inside of the water density detection sensor body reaches the proper temperature and humidity, all electric appliances can be controlled to stop working, and the operation is convenient, convenient and flexible, and the use is convenient; the model of the temperature and humidity sensor 901 is AM2302, the model of the exhaust fan 704 is WS9290B-24-220-X300, and the model of the PLC controller 10 is SL-100.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a little water density detection sensor, includes base (1), its characterized in that: the water density detection sensor is characterized in that pillars (2) are fixedly connected to two ends of the base (1), sliding sleeves (301) are connected to the pillars (2) in a sliding manner, fastening plates (3) are fixedly connected between the sliding sleeves (301), support plates (5) are fixedly connected to the inner sides of the pillars (2), a micro water density detection sensor body (4) is clamped between the support plates (5) and the fastening plates (3), a abdicating groove (501) is formed in each support plate (5), an inlet end of each micro water density detection sensor body (4) penetrates into the abdicating groove (501), two support rods (6) are fixedly connected to the base (1), a box body (7) is fixedly connected between the support rods (6), a door cover (701) is hinged to the front of the box body (7), a heating resistance wire (703) is fixedly installed inside the box body (7), and a wind guide shell (8) is fixedly connected to the top of the box body (, the air guide shell (8) corresponds to the middle of the inlet end of the micro water density detection sensor body (4), a rubber supporting rod (9) is fixedly connected to the box body (7) corresponding to one side of the air guide shell (8), a temperature and humidity sensor (901) is fixedly mounted at the upper end of the rubber supporting rod (9), the temperature and humidity sensor (901) is arranged inside the inlet end of the micro water density detection sensor body (4), and a PLC (programmable logic controller) (10) is fixedly mounted on the side wall of the supporting rod (6).
2. The sensor for detecting micro water density according to claim 1, wherein: the top fixedly connected with baffle (201) of pillar (2), fixed connection has spring (202) between baffle (201) and sliding sleeve (301), spring (202) cover is established on pillar (2).
3. The sensor for detecting micro water density according to claim 1, wherein: an anti-skid rubber mat (502) is fixedly connected to the surface of the support plate (5).
4. The sensor for detecting micro water density according to claim 1, wherein: the heating cavity (702) is arranged in the box body (7), the air guide cavity (801) is arranged in the air guide shell (8), the exhaust fan (704) is fixedly installed at the top of the box body (7), and two ends of the exhaust fan (704) are respectively communicated with the heating cavity (702) and the air guide cavity (801).
5. The sensor for detecting micro water density according to claim 4, wherein: the air guide cavity (801) and the air guide shell (8) are arranged in a truncated cone structure, the top of the air guide shell (8) is fixedly connected with silica gel air guide pipes (802) which are uniformly distributed, and the silica gel air guide pipes (802) extend into the inlet end of the micro-water density detection sensor body (4).
6. The sensor for detecting micro water density according to claim 4, wherein: the exhaust fan (704), the heating resistance wire (703) and the temperature and humidity sensor (901) are electrically connected with the PLC (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022284000.2U CN213239826U (en) | 2020-10-14 | 2020-10-14 | Little water density detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022284000.2U CN213239826U (en) | 2020-10-14 | 2020-10-14 | Little water density detection sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213239826U true CN213239826U (en) | 2021-05-18 |
Family
ID=75880740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022284000.2U Expired - Fee Related CN213239826U (en) | 2020-10-14 | 2020-10-14 | Little water density detection sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213239826U (en) |
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2020
- 2020-10-14 CN CN202022284000.2U patent/CN213239826U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210518 Termination date: 20211014 |