CN209328795U - Gas density relay hood and gas density relay - Google Patents
Gas density relay hood and gas density relay Download PDFInfo
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- CN209328795U CN209328795U CN201920412924.0U CN201920412924U CN209328795U CN 209328795 U CN209328795 U CN 209328795U CN 201920412924 U CN201920412924 U CN 201920412924U CN 209328795 U CN209328795 U CN 209328795U
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- density relay
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- shading
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Abstract
The utility model provides a kind of gas density relay hood, including one end of hood cylinder is arranged in hood cylinder and at least one hood panels, at least one hood panels；Installation part is provided on the barrel of hood cylinder, hood cylinder can be removably connected to the outside wall surface of one end of the gauge outfit of gas density relay by installation part, so that gas density relay hood and the dial plate of gauge outfit are oppositely arranged.Compared with prior art, gas density relay hood provided by the utility model, gas density relay are detachably connected with hood and gauge outfit, easy disassembling, convenient for the maintenance or replacement of gas density relay hood.In addition, the utility model also provides a kind of gas density relay, the gas density relay is equipped with the gas density relay hood being detachably connected, and can be convenient, quickly carries out installation, maintenance or replacement of the gas density relay hood on gas density relay.
Description
Technical field
Technical field is controled and monitored the utility model relates to relay more particularly to a kind of gas density relay hides
Light shield and gas density relay.
Background technique
Sulfur hexafluoride gas has good insulating properties and arc-suppression function, and various sulfur hexafluoride electrical equipments are widely used in electricity
Power department, industrial and mining enterprises.Its insulation of the density direct relation of sulfur hexafluoride gas and arc extinction performance, usually use sulfur hexafluoride gas
Density monitor monitors the situation of change of sulfur hexafluoride gas density in such equipment.
Change since gas pressure varies with temperature, sulfur hexafluoride gas density relay is equipped with temperature-compensating member
Part compensates this pressure change due to caused by temperature change, to guarantee the accuracy of density indicated value.Temperature-compensating
Element is usually that bimetallic material is made, and has sensibility to light and temperature.
Pointer sulfur hexafluoride density relay is a kind of most common sulfur hexafluoride gas density relay.Its pointer by
Machine core drives, and rotates above dial plate, and the numerical value of pointer instruction is the density of gas in equipment.Since machine core is after dial plate
Side, therefore pointer has to pass through dial plate；And pointer must rotate, and this just needs to open up an arc aperture, pointer on dial plate
It is rotated i.e. in this arc aperture and variable density is indicated.
For the pointer type density relay that open air uses, due to the presence of arc aperture on dial plate, when sunlight face is close
When spending the dial side of relay, sunlight can pass through transparent apparatus glass and arc aperture, and direct projection is on temperature compensating element.
Since sensibility of the temperature compensating element to light and heat is high, temperature compensating element can be acted rapidly；And the sulfur hexafluoride in equipment
Gas is since equipment volume is larger, in addition the protection of device housings, pressure can't change rapidly, thus temperature compensating element with
The variation of gas pressure is asynchronous in equipment, and the pointer of density monitor is caused to indicate exception or abnormal alarm.
As the patent disclosure of Publication No. CN207764077U a kind of thermal baffle and the gas of the thermal baffle is installed
Density meter, air density meter include gauge outfit and the air-channel system connecting with apparatus body that is fixed in gauge outfit, and gauge outfit includes shell
Body, the cover of open end for being covered on shell, the watch crystal in the cover inner cavity and close between setting watch crystal and shell
Seal washer, thermal baffle are installed on the inside of air density meter, and specifically, the circumference of thermal baffle is equidistantly provided with multiple
Concave installs card slot, and concave installs card slot for the inner wall Xiang Kashe with the cover, and thermal baffle is located in the inner cavity of the cover.
Thermal baffle can stop the direct sunlight of gauge outfit, slow down heat transfer, increase in the structure of pointer air density meter
The thermal baffle, local temperature increases too fast in shell when can prevent direct sunlight gauge outfit, avoids thermosensitive bimetal (i.e. warm
Degree compensating element) compensation change with ambient external environment temperature, to prevent pointer from deflecting, cause gas leakage false
As.
However, the thermal baffle of form and installing the air density meter of the thermal baffle using the above structure and being lacked there are following
Fall into: the thermal baffle is arranged in the inner wall of the cover of gauge outfit, and is located in the inner cavity of the cover, is needing to carry out thermal baffle
When maintenance or replacement, it is necessary to the cover is removed from shell, thermal baffle first, thermal baffle could be removed from watch crystal,
Finally the thermal baffle repaired or new thermal baffle are installed to watch crystal, then the cover is installed on shell and is arranged in
Thermal baffle, it is larger so as to cause the dismounting difficulty of thermal baffle, it is not easy to the maintenance or replacement of thermal baffle.
Utility model content
Utility model aims to solve the dismounting difficulty of thermal baffle in the prior art is larger, it is not easy to heat-insulated gear
The problem of maintenance or replacement of plate.
In order to solve the above technical problems, the utility model provides a kind of gas density relay hood and gas is close
Spend relay.
The utility model provides a kind of gas density relay hood, including hood cylinder and at least one shading
One end of hood cylinder is arranged in skin plate, at least one hood panels；Installation is provided on the barrel of hood cylinder
Part, hood cylinder can be removably connected to the outside wall surface of one end of the gauge outfit of gas density relay by installation part, with
It is oppositely arranged the dial plate of hood panels and gauge outfit；At least one hood panels has shading region and transparent area, transparent area
The corresponding position in the information display area on dial plate at least one hood panels with gauge outfit, on display dial
Information, shading region are located at position opposite with the temperature compensating element of gauge outfit at least one hood panels, are located at blocking
Light of at least one hood panels away from the side of dial plate is directed on the temperature compensating element through dial plate.
By adopting the above technical scheme, hood cylinder can be removably connected to gas density relay by installation part
The outside wall surface of one end of gauge outfit, so that hood panels and the dial plate of gauge outfit are oppositely arranged, so that hood can facilitate and gas
Density monitor dismounting, facilitates the maintenance or replacement of hood.
Further, the position of transparent area is arranged to engraved structure or transparent glass, and the position of shading region is arranged to shading
Plate structure.
By adopting the above technical scheme, it is close that gas can be watched by transparent glass by the way that transparent glass is arranged in transparent area
Spend the information on relay dial plate.
Further, transparent glass is convex lens, and the convex surface of convex lens is towards at least one hood panels far from shading
The side of cover cylinder.
By adopting the above technical scheme, transparent glass is convex lens, more convenient can watch gas density relay table
The too small information of the font shown on disk.
Further, at least one hood panels includes shading panel, and the one of hood cylinder is arranged in shading panel
On the end face at end.
By adopting the above technical scheme, at least one hood panels includes shading panel, by saturating on the shading panel
Light area watch gas density relay dial plate on information, and by the shading region on shading panel shelter from gas density after
Curved opening on electric appliance dial plate avoids sunlight from being irradiated on the temperature compensating element in gas density relay, causes temperature
Compensating element, is asynchronous with the variation of gas pressure in gas density relay, causes the pointer of gas density relay to indicate different
The problem of normal or abnormal alarm.
Further, at least one hood panels includes main shading panel and time shading panel, secondary shading panel setting
In hood cylinder, main shading panel is arranged in secondary shading panel side, and is located at the endface of one end of hood cylinder,
Main shading panel is rotationally connected with hood cylinder along the circumferential direction of hood cylinder.
By adopting the above technical scheme, hood panels include main shading panel and time shading panel, and secondary shading panel is fixed
It is arranged in hood cylinder, main shading panel is rotatably connected with hood cylinder, realizes main shading panel and time screening with this
Area or the different shading region of shape size can be formed between optic panel, to meet different scene demands.
Further, the contact position of main shading panel and hood cylinder is provided with the first sliding part and the second sliding
Portion, the first sliding part are arranged on main shading panel, and the second sliding part is arranged on hood cylinder；First sliding part is to slide
Rail, the second sliding part are sliding slot；Or first sliding part be sliding slot, the second sliding part be sliding rail.
By adopting the above technical scheme, the first sliding of contact position setting in main shading panel and hood cylinder can be passed through
Portion and the second sliding part realize that main shading panel is rotatably connected with hood cylinder, realize main shading panel and time screening with this
Area or the different shading region of shape size can be formed between optic panel, to meet different scene demands.
Further, gas density relay hood further includes light source sensor and display unit, light source sensor
Side of the main shading panel far from time shading panel is set, and display unit is arranged on the outer tube wall of hood cylinder, light source
Sensor is electrically connected with display unit；
Light source sensor detects the intensity of light source information being irradiated on main shading panel, and intensity of light source information is sent to
Display unit is shown.
By adopting the above technical scheme, light source sensor can be set, it is strong to detect the light source being irradiated on main shading panel
Degree controls main shading panel relative to screening by the first sliding part and the second sliding part when light source is greater than default Intensity threshold
Light shield barrel body rotation, so that the shading region being located on main shading panel shelters from the transparent area being located on time shading panel, and position
The transparent area on main shading panel is sheltered from the shading region on secondary shading panel, main shading panel and time screening are realized with this
Area can be formed between optic panel or the different shading region of shape size avoids sunlight from irradiating to meet different scene demands
On temperature compensating element in gas density relay, cause gas pressure in temperature compensating element and gas density relay
Variation it is asynchronous, cause the pointer of gas density relay to indicate exception or the problem of abnormal alarm.
The utility model also provides a kind of gas density relay, including gauge outfit, and gauge outfit includes that shell, dial plate and temperature are mended
Repay element, dial plate and temperature compensating element are all set in shell, gas density relay further include above-mentioned gas density after
Electric appliance hood, gas density relay covers at one end of gauge outfit with hood, and is located at the outside of gauge outfit；Hood cylinder
Body is detachably connected by the outside wall surface of one end of installation part and shell, and hood panels are oppositely arranged with dial plate, and in shell
Length direction be located at the outside of dial plate.
By adopting the above technical scheme, which is detachably equipped with hood, can be square by installation part
Just, handling and maintenance replacement of the hood on gas density relay are quickly carried out.
Further, installation part has multiple, and multiple installation parts are provided at circumferentially spaced along hood cylinder；Installation part is
Elastic buckle is provided with card hole on shell, in the card hole of Elastic buckle clamping on the shell on hood cylinder；Alternatively, peace
Piece installing is fastener, and fixation hole is provided on shell, and the fixation hole on fastener and shell on hood cylinder detachably connects
It connects；
Alternatively, installation part is elastic slice, the region that the elastic slice is correspondingly arranged in the barrel of the hood cylinder, which is equipped with, is opened
Hole, the aperture through the hood cylinder barrel, to provide the space that the elastic slice generates flexible deformation, and described
Elastic slice is connected to the outside wall surface of one end of the shell.
By adopting the above technical scheme, hood is mounted on gas density relay by installation part, it is easy to disassemble or
Replace hood.
Further, shell includes shell and the cover, and the cover is covered on the open end of shell, and gas density relay hides
The outside of the cover is arranged in light shield.
By adopting the above technical scheme, the outside of the cover is arranged in hood for gas density relay, so that gas density
Relay is detachably connected with hood, facilitates the maintenance or replacement of hood.
The beneficial effects of the utility model are:
Gas density relay hood provided by the utility model, including hood cylinder and at least one hood
One end of hood cylinder is arranged in panel, at least one hood panels；It is provided with installation part on the barrel of hood cylinder,
Hood cylinder can be removably connected to the outside wall surface of one end of the gauge outfit of gas density relay by installation part, so as to hide
Light shield panel and the dial plate of gauge outfit are oppositely arranged.Compared with prior art, gas density relay provided by the utility model is used
Hood, hood can be detachably connected with gauge outfit, and the outside of gauge outfit is arranged in, easy disassembling, convenient for the dimension of hood
It repairs or replaces.
In addition, the utility model also provides a kind of gas density relay, it is close which is equipped with gas
Relay hood is spent, gas density relay hood and gas density relay are detachably connected and are set to shell
Outside facilitates the dismounting of gas density relay hood and gas density relay, so that gas density relay hides
Light shield can facilitate to be disassembled from gas density relay, is repaired or replaced.
Detailed description of the invention
Fig. 1 is the side structure schematic view for the gas density relay hood that the utility model embodiment 1 provides；
Fig. 2 is the schematic view of the front view for the gas density relay hood that the utility model embodiment 1 provides；
Fig. 3 is the side for the gas density relay for being equipped with hood shown in FIG. 1 that the utility model embodiment 2 provides
Depending on structural schematic diagram；
Fig. 4 is the master for the gas density relay for being equipped with hood shown in FIG. 1 that the utility model embodiment 2 provides
Depending on structural schematic diagram.
Appended drawing reference:
100: hood；101: hood cylinder；102: installation part；103: shading region；104: transparent area；105: hood
Panel；
200: gauge outfit；201: shell；2011: shell；2012: the cover.
Specific embodiment
Clear, complete description is carried out to the technical solution of the utility model below by attached drawing, it is clear that described reality
Apply a part of the embodiment that example is the utility model, rather than whole embodiments.Based on the embodiments of the present invention, ability
It is practical new to belong to this for domain those of ordinary skill every other embodiment obtained without making creative work
The range of type protection.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be orientation based on the figure or positional relationship,
It is merely for convenience of describing the present invention and simplifying the description, rather than in order to indicate or imply that signified device or element must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second ", " third " are used for description purposes only, and it should not be understood as indicating or imply
Relative importance.
In the description of the present invention, it should be noted that unless there are separately having specific regulation and limitation, term " peace
Dress ", " connected ", " connection " should broadly understood, such as may be a fixed connection, and may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be and be directly connected to, be also possible to connect by intermediary, it can be with
It is the connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists with concrete condition
Meaning in the utility model.
Embodiment 1:
As shown in Figure 1 and Figure 2, the present embodiment provides a kind of gas density relay hoods 100, including hood cylinder
One end of hood cylinder 101 is arranged in body 101 and at least one hood panels 105, at least one hood panels 105；
Installation part 102 is provided on the barrel of hood cylinder 101, hood cylinder 101 can be detachably connected by installation part 102
Outside wall surface in one end of the gauge outfit of gas density relay, so that hood panels 105 and the dial plate of gauge outfit are oppositely arranged；Extremely
Few hood panels 105 have shading region 103 and transparent area 104, and transparent area 104 is located at least one hood panels
Position corresponding with the information display area on the dial plate of gauge outfit on 105, with the information on display dial, shading region 103 is located at
The position opposite with the temperature compensating element of gauge outfit at least one hood panels 105 is located at least one shading to block
Light of the skin plate 105 away from the side of dial plate is directed on the temperature compensating element through dial plate.
More specifically, installation part 102 is provided on the barrel of hood cylinder 101, hood cylinder 101 passes through installation part
102 can be removably connected to the outside wall surface of one end of the gauge outfit of gas density relay, so that hood panels 105 and gauge outfit
Dial plate be oppositely arranged so that hood cylinder 101 is detachably connected with gauge outfit, facilitate hood cylinder 101 in gauge outfit
Installation and removal, and then conveniently the hood 100 disassembled is repaired or replaced.Further, to make this implementation
The hood 100 that example provides is detachably connected on gas density relay, can be arranged on the barrel of hood cylinder 101
Have at least one installation part 102, which specifically can be elastic slice as shown in Figure 1, be also possible to fastener (not to
Installation part 102 is the schematic diagram of fastener out), it is also possible to Elastic buckle, can specifically selects according to actual needs, this implementation
Example is not especially limited this.
Again specifically, as shown in Figure 1 and Figure 2, transparent area 104 and shading region 103, light transmission are provided on hood panels 105
Area 104 is located at position corresponding with the information display area on gas density relay dial plate at least one hood panels 105
It sets, to show the information on gas density relay dial plate, i.e., is watched by transparent area 104 on gas density relay dial plate
The various information of display.Shading region 103 is located at least one hood panels 105 and the temperature on gas density relay dial plate
The opposite position of compensating element, is spent, is penetrated with blocking the light being located on dial plate close to the side of at least one hood panels 105
Gas density relay dial plate is directed to temperature compensating element, causes gas pressure in temperature compensating element and gas density relay
The problem of variation of power is asynchronous, and the pointer of gas density relay is caused to indicate exception or abnormal alarm.In addition, at least one
The edge of transparent area 104 on hood panels 105 is connected with shading region 103, so that each hood panels 105 wraps
Include 104 two parts of shading region 103 and transparent area.
As shown in Fig. 2, the position of transparent area 104 is arranged to engraved structure, the position of shading region 103 is arranged to shading plate
Structure.In addition, transparent glass (not shown) can be set into the position of transparent area 104.
Further, transparent glass is convex lens, and the convex surface of convex lens is towards hood panels 105 far from hood cylinder
101 side.
Specifically, the position of transparent area 104 is arranged to transparent glass or engraved structure, pass through transparent glass or engraved structure
Watch the information on gas density relay dial plate.
More specifically, transparent glass is convex lens, and the convex surface of convex lens is towards hood panels 105 far from hood cylinder
101 side, so as to the more convenient information for watching the font that shows on gas density relay dial plate too small.It needs
Understand, transparent glass may be other structures or material, as long as meet it is actually required, the present embodiment to this not
Make specific limit.
Again specifically, the position of shading region 103 is arranged to barn door.Barn door is mainly used for blocking gas density relay
Arc aperture on dial plate, avoids sunlight from being irradiated on the temperature compensating element in gas density relay, causes temperature-compensating
Element is asynchronous with the variation of gas pressure in gas density relay, cause the pointer of gas density relay indicate it is abnormal or
The problem of abnormal alarm.The material of barn door can choose material same as hood cylinder 101, can also reselect it
His material, the present embodiment are not especially limited this.
Specifically, at least one hood panels 105 may include shading panel, shading panel is arranged in hood cylinder
On the end face of 101 one end.That is, at least one hood panels 105 is the knot including a shading panel as shown in Figure 1
Structure.
Specifically, hood panels 105 include a shading panel, watched by the transparent area 104 on the shading panel
Information on gas density relay dial plate, and gas density relay is sheltered from by the shading region 103 on shading panel
Curved opening on dial plate avoids sunlight from being irradiated on the temperature compensating element in gas density relay, causes temperature-compensating
Element is asynchronous with the variation of gas pressure in gas density relay, cause the pointer of gas density relay indicate it is abnormal or
The problem of abnormal alarm.
More specifically, at least one hood panels 105 can also include that main shading panel and time shading panel are (equal in figure
It is not shown), secondary shading panel is arranged in hood cylinder 101, and main shading panel is arranged in secondary shading panel side, and is located at
The endface of one end of hood cylinder 101, main shading panel are rotationally connected with hood along the circumferential direction of hood cylinder 101
Cylinder 101.
Specifically, hood panels 105 include main shading panel and time shading panel, secondary shading panel is fixed at screening
In light shield cylinder 101, main shading panel is rotatably connected with hood cylinder 101, realizes main shading panel and time shading with this
Area or the different shading region 103 of shape size can be formed between panel, to meet different scene demands.For example, working as illumination
When intensity is excessive, main shading panel can be rotated, rotates winner's shading panel relative to hood cylinder 101, so that being located at
Shading region 103 on main shading panel shelters from the transparent area 104 being located on time shading panel, and is located on time shading panel
Shading region 103 shelters from the transparent area 104 on main shading panel, so that under the too strong scene of intensity of illumination, main shading
Panel and time shading panel cooperation, shading region 103 shelter from transparent area 104 completely, are shone with this to cover the excessive sunlight of intensity
It penetrates, the sunlight for avoiding intensity of illumination excessive is irradiated on the temperature compensating element in gas density relay, causes temperature-compensating
Element is asynchronous with the variation of gas pressure in gas density relay, cause the pointer of gas density relay indicate it is abnormal or
The problem of abnormal alarm.Similarly, when sunlight strength is little or needs to watch the information shown on gas density relay dial plate
When, it is rotated further by main shading panel, is overlapped winner's shading panel and the transparent area 104 of time shading panel.
Further, the contact position of main shading panel and hood cylinder 101 is provided with the first sliding part and second and slides
Dynamic portion (being not shown in figure), the first sliding part are arranged on main shading panel, and the second sliding part is arranged in hood cylinder 101
On；First sliding part is sliding rail, and the second sliding part is sliding slot；Or first sliding part be sliding slot, the second sliding part be sliding rail.
Specifically, the first sliding part and the can be arranged by the contact position in main shading panel and hood cylinder 101
Two sliding parts realize that main shading panel is rotatably connected with hood cylinder 101, realize main shading panel and time shading surface with this
Area or the different shading region 103 of shape size can be formed between plate, to meet different scene demands.
It is to be appreciated that the number of hood panels 105 can according to need specific setting in the present embodiment, it can
To be set as provide such as the present embodiment two kinds of situations, the hood panels 105 that the present embodiment provides can also be not limited only to
Number, selects with specific reference to actual needs, and the present embodiment is not especially limited this.
Further, gas density relay hood further includes that light source sensor and display unit (do not show in figure
Out), side of the main shading panel far from time shading panel is arranged in light source sensor, and display unit is arranged in hood cylinder
On 101 outer tube wall, light source sensor is electrically connected with display unit；Light source sensor, which detects, to be irradiated on main shading panel
Intensity of light source information is sent to display unit and shown by intensity of light source information.
When light source is greater than default Intensity threshold, it is opposite that main shading panel is controlled by the first sliding part and the second sliding part
Rotated in hood cylinder 101 so that the shading region 103 being located on main shading panel shelter from be located at it is saturating on time shading panel
Light area 104, and the shading region 103 being located on time shading panel shelters from the transparent area 104 on main shading panel.
Specifically, being also provided with light source sensor, is detected and be irradiated on main shading panel by light source sensor
The intensity of light source pass through the first sliding part when light source is greater than default Intensity threshold and the second sliding part control main shading panel
It rotates relative to hood cylinder 101, is located on time shading panel so that the shading region 103 being located on main shading panel shelters from
Transparent area 104, and the shading region 103 being located on time shading panel shelters from the transparent area 104 on main shading panel, with
This, which is realized, can form area or the different shading region 103 of shape size between main shading panel and secondary shading panel, to meet not
Same scene demand, avoids sunlight from being irradiated on the temperature compensating element in gas density relay, causes temperature compensating element
It is with the variation of gas pressure in gas density relay asynchronous, cause gas density relay instruction exception or abnormal alarm
Problem.
It is to be appreciated that the Intensity threshold in the present embodiment can be specifically arranged according to demand, the present embodiment to this not
It is specifically limited.In addition, the model of light source sensor can be with are as follows: CA-DBR5 type light source sensor, or other model light
Source sensor, the present embodiment are not especially limited this.
Gas density relay hood provided in this embodiment, including hood cylinder and at least one shading cover
One end of hood cylinder is arranged in plate, at least one hood panels, and installation part is provided on the barrel of hood cylinder, hides
Light shield cylinder can be removably connected to the outside wall surface of one end of the gauge outfit of gas density relay by installation part, so that shading
Skin plate and the dial plate of gauge outfit are oppositely arranged.Compared with prior art, gas density relay provided by the utility model hides
Light shield, hood can be detachably connected with gauge outfit, easy disassembling, convenient for the maintenance or replacement of hood.
Embodiment 2:
As shown in Figure 3, Figure 4, the present embodiment also provides a kind of gas density relay, including gauge outfit 200, and gauge outfit 200 is wrapped
Shell 201, dial plate and temperature compensating element (not shown) are included, dial plate and temperature compensating element are all set in shell 201,
Gas density relay further includes above-mentioned gas density relay hood 100, gas density relay hood 100
One end of gauge outfit 200 is covered at, and is located at the outside of gauge outfit 200；Hood cylinder 101 passes through installation part 102 and shell 201
The outside wall surface of one end is detachably connected, and hood panels 105 are oppositely arranged with dial plate, and is located in the length direction of shell 201
The outside of dial plate facilitates the dismounting of hood 100 Yu shell 201, to carry out the maintenance or replacement of hood 100.
Specifically, the gas density relay is equipped with hood 100, the shading region 103 on hood 100 is and dial plate
On arc aperture region it is corresponding, the curved opening on the dial plate of gas density relay can be sheltered from, avoid sun
Illumination is mapped on the temperature compensating element in gas density relay, causes gas in temperature compensating element and gas density relay
The problem of variation of body pressure is asynchronous, and the pointer of gas density relay is caused to indicate exception or abnormal alarm.
As shown in figure 4, again specifically, scale area on the shape of the transparent area 104 on hood 100, size and dial plate
Shape, the size in domain are identical, and the equal arcuate segments of shape of transparent area 104, so as to it is more convenient watch gas density after
The information shown on the dial plate of electric appliance.
As shown in figure 3, hood cylinder 101 is detachably connected by installation part 102 and the outside wall surface of one end of shell 201
It connects, hood panels 105 are oppositely arranged with dial plate, and are located at the outside of dial plate in the length direction of shell 201.
As shown in figure 3, installation part 102 have it is multiple, multiple installation parts 102 are set along the circumferentially-spaced of hood cylinder 101
It sets.Installation part 102 can be elastic slice as shown in Figure 3, and the outer wall of hood cylinder 101 is arranged in elastic slice.Hood cylinder 101
Barrel in be correspondingly arranged elastic slice region be equipped with aperture, aperture through hood cylinder 101 barrel, with provide elastic slice production
The space of raw flexible deformation.Elastic slice is resisted against the outer surface of one end of shell 201, by the gas density relay hood
100 are fixed on shell 201.Or installation part can be Elastic buckle (not shown), Elastic buckle is arranged in hood
On the barrel of cylinder 101, card hole is provided on shell 201, the Elastic buckle on hood cylinder 101 is connected on shell 201
Card hole in.It is to be appreciated that being that Elastic buckle is allowed to be relatively easy to screw out from card hole, the shape of card hole can be set
It is set to fan-shaped or arc, in the case where needing to dismantle hood cylinder 101, screws out and reserves enough out of card hole for Elastic buckle
Space.Alternatively, installation part is fastener (not shown), fastener is arranged on the barrel of hood cylinder, shell 201
On be provided with fixation hole, the fastener on hood cylinder 101 is detachably connected with the fixation hole on shell 201.The fastener
It specifically can be bolt, the fixation hole being arranged on shell 201 can be not make to have to this with the matched screw hole of bolt, the present embodiment
Body limits.
Specifically, the specific structure of at least one installation part 102, can specifically select, this implementation according to actual needs
Example is not especially limited this.The installation part 102 that the present embodiment provides, so that hood cylinder 101 is by installation part 102 and outside
The outside wall surface of one end of shell 201 is detachably connected, and hood panels 105 are oppositely arranged with dial plate, and in the length side of shell 201
It can be convenient, so that the hood on the outside of dial plate is arranged in quickly in gas density relay to the outside for being located at dial plate
Installation, maintenance or replacement are carried out on device.
As shown in figure 3, shell 201 includes shell 2011 and the cover 2012, the cover 2012 is covered on the opening of shell 2011
The outside of the cover 2012 is arranged in end, gas density relay hood 100.It, specifically can be in shading i.e. in the present embodiment
Elastic slice is set on cover cylinder 101, and elastic slice is resisted against in the cover 2012.
Specifically, the outside of the cover 2012 is arranged in gas density relay hood 100, can be convenient, quickly
Carry out installation, maintenance or replacement of the hood 100 on gas density relay.
Gas density relay provided in this embodiment, the gas density relay are equipped with the shading being detachably connected
Cover can be convenient, quickly carry out installation, maintenance or replacement of the hood on gas density relay.
The above content is combine specific embodiment further detailed description of the utility model, and it cannot be said that
The specific implementation of the utility model is only limited to these instructions.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, all should be considered as belonging to
In the protection scope of the utility model.
Claims (10)
1. a kind of gas density relay hood, which is characterized in that including hood cylinder and at least one shading cover
One end of the hood cylinder is arranged in plate, at least one described hood panels；It is set on the barrel of the hood cylinder
It is equipped with installation part, the hood cylinder can be removably connected to the gauge outfit of gas density relay by the installation part
The outside wall surface of one end, so that the hood panels and the dial plate of the gauge outfit are oppositely arranged；
At least one described hood panels have shading region and transparent area, and the transparent area is located at least one described hood
Position corresponding with the information display area on the dial plate of the gauge outfit, described to show the information on the dial plate on panel
Shading region is located at position opposite with the temperature compensating element of the gauge outfit at least one described hood panels, to block position
The temperature-compensating is directed to through the dial plate in light of at least one the described hood panels away from the side of the dial plate
On element.
2. gas density relay hood according to claim 1, which is characterized in that the position of the transparent area is set
It is set to engraved structure or transparent glass, the position of the shading region is arranged to shading plate structure.
3. gas density relay hood according to claim 2, which is characterized in that the transparent glass is convex lens
Mirror, the convex surface side of at least one hood panels far from the hood cylinder described in of the convex lens.
4. gas density relay hood according to claim 1, which is characterized in that at least one described hood
Panel includes shading panel, and the shading panel is arranged on the end face of one end of the hood cylinder.
5. gas density relay hood according to claim 1, which is characterized in that at least one described hood
Panel includes main shading panel and time shading panel, and the secondary shading panel is arranged in the hood cylinder, the main screening
Optic panel is arranged in the secondary shading panel side, and is located at the endface of one end of the hood cylinder, the main shading
Panel is rotationally connected with the hood cylinder along the circumferential direction of the hood cylinder.
6. gas density relay hood according to claim 5, which is characterized in that the main shading panel and institute
The contact position for stating hood cylinder is provided with the first sliding part and the second sliding part, and first sliding part is arranged in the master
On shading panel, second sliding part is arranged on the hood cylinder；
First sliding part is sliding rail, and second sliding part is sliding slot；Or first sliding part be sliding slot, described second
Sliding part is sliding rail.
7. gas density relay hood according to claim 5, which is characterized in that the gas density relay
It further include light source sensor and display unit with hood, the light source sensor setting is in the main shading panel far from described
The side of secondary shading panel, the display unit are arranged on the outer tube wall of the hood cylinder, the light source sensor with
The display unit electrical connection；
The light source sensor is used to detect the intensity of light source information being irradiated on the main shading panel, and the light source is strong
Degree information is sent to the display unit and is shown.
8. a kind of gas density relay, including gauge outfit, the gauge outfit includes shell, dial plate and temperature compensating element, the table
Disk and the temperature compensating element are all set in the shell, it is characterised in that:
The gas density relay further include such as the described in any item gas density relay hoods of claim 1-7,
The gas density relay covers at one end of the gauge outfit with hood, and is located at the outside of the gauge outfit；The shading
Cover cylinder is detachably connected by the installation part and the outside wall surface of one end of the shell, the hood panels and the table
Disk is oppositely arranged, and is located at the outside of the dial plate in the length direction of the shell.
9. gas density relay according to claim 8, which is characterized in that the installation part has multiple, Duo Gesuo
State installation part being provided at circumferentially spaced along the hood cylinder；
The installation part is Elastic buckle, is provided with card hole, the Elastic buckle on the hood cylinder on the shell
In the card hole of clamping on the housing；
Alternatively, the installation part is fastener, fixation hole, the fastening on the hood cylinder are provided on the shell
Part is detachably connected with the fixation hole on the shell；
Alternatively, the installation part is elastic slice, the region that the elastic slice is correspondingly arranged in the barrel of the hood cylinder, which is equipped with, is opened
Hole, the aperture through the hood cylinder barrel, to provide the space that the elastic slice generates flexible deformation, and described
Elastic slice is connected to the outside wall surface of one end of the shell.
10. gas density relay according to claim 8 or claim 9, which is characterized in that the shell includes shell and cover
Lid, the cover are covered on the open end of the shell, and the cover is arranged in hood in the gas density relay
Outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920412924.0U CN209328795U (en) | 2019-03-28 | 2019-03-28 | Gas density relay hood and gas density relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920412924.0U CN209328795U (en) | 2019-03-28 | 2019-03-28 | Gas density relay hood and gas density relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328795U true CN209328795U (en) | 2019-08-30 |
Family
ID=67733286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920412924.0U Active CN209328795U (en) | 2019-03-28 | 2019-03-28 | Gas density relay hood and gas density relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328795U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113241744A (en) * | 2021-06-09 | 2021-08-10 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Control loop of switch device in transformer substation |
| RU2784412C1 (en) * | 2020-03-11 | 2022-11-24 | Шанхай Ройе Электрик Ко., Лтд. | Gas density monitor with high anti-vibration characteristics |
-
2019
- 2019-03-28 CN CN201920412924.0U patent/CN209328795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2784412C1 (en) * | 2020-03-11 | 2022-11-24 | Шанхай Ройе Электрик Ко., Лтд. | Gas density monitor with high anti-vibration characteristics |
| CN113241744A (en) * | 2021-06-09 | 2021-08-10 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Control loop of switch device in transformer substation |
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