CN208690838U - A kind of sulfur hexafluoride looped network box - Google Patents
A kind of sulfur hexafluoride looped network box Download PDFInfo
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- CN208690838U CN208690838U CN201821396961.9U CN201821396961U CN208690838U CN 208690838 U CN208690838 U CN 208690838U CN 201821396961 U CN201821396961 U CN 201821396961U CN 208690838 U CN208690838 U CN 208690838U
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Abstract
The utility model relates to field of electrical equipment, disclose a kind of sulfur hexafluoride looped network box, including cabinet body, it is fixed on the cabinet for the detection device of air pressure, the instruction device for being used to indicate air pressure height in detecting box body, for the regulating device of calibration, for the warning device of low pressure alarm and for the clamping apparatus of fixed test device；Spacing collar, the detection block that sealing is slidably mounted in detection pipe and the detection spring for driving detection block in cabinet body when air pressure reduction that detection device includes fixed detection pipe on the cabinet, is fixed on detection pipe both ends；Detection pipe one end is located in cabinet body, and the other end is located at outside cabinet body；Detection spring one end is fixed with detection block.The utility model has the following advantages that and effect: when air pressure reduces in cabinet, detection block is slided in detection pipe to cabinet body, is prompted maintenance personal's maintenance, is prevented from leaking electricity because SF6 gas flow is too low, improve safety.
Description
Technical field
The utility model relates to field of electrical equipment, in particular to a kind of sulfur hexafluoride looped network box.
Background technique
In power industry, SF6 is a kind of important medium, it is used as arc extinguishing and the insulation of closed middle high-pressure switch
Gas.The excellent performance of SF6 gas realizes the operation of device economization, low-maintenance, compared with ordinary device, can save
Most 90% space.Sulfur hexafluoride looped network box is that one kind can be optionally combined into multiloop disengaging with switching, is got in touch with, protection
The gas isolated middle voltage electrical unit equipment using on-load switch as core component of electric system function.Its major loop core
Center portion part by SF6 on-load switch or and additional breaker and other primary ancillary apparatus form.Sulfur hexafluoride looped network box
Whole cabinet full of SF6 gas as insulating gas, have many advantages, such as it is compact-sized, it is safe and reliable, suitable for the small-sized of electric system
The place relatively high to power requirement such as secondary substation, box-type substation, airport, subway.
Currently, the Chinese utility model patent that notification number is CN204258133U discloses a kind of sulfur hexafluoride looped network box,
Including cabinet body and the door-plate that the cabinet body front is arranged in；The cabinet body inner top is equipped with the control room for the instrument that installs instruments, institute
The rear for stating control room is equipped with sulfur hexafluoride loading switch；The bottom plate of the cabinet body is equipped with through-hole, is fixed in the bottom plate
The baffle of the through-hole is blocked, the through-hole side wall is equipped with the first wire casing, and the baffle is equipped with spells with first wire casing
The second wire casing for constituting the second entrance hole is closed, is equipped with the second rubber sheath in second entrance hole.The hexafluoro of the utility model
Change sulphur ring network cabinet and have the advantage, that lintel plate installation and replacement are convenient, wiring and cabinet body assembly are also very convenient, improve work
Make efficiency with good using effect.
Above-mentioned technical proposal lacks the device of SF6 gas pressure in detection sulfur hexafluoride looped network box body, therefore in sulfur hexafluoride
When SF6 gas flow is too low in ring network cabinet body, SF6 could not be replenished in time, so that sulfur hexafluoride looped network box loses good insulating properties
Can, there is great hidden danger to the safety of sulfur hexafluoride looped network box.
For this purpose, needing a kind of sulfur hexafluoride looped network box, which has the device of air pressure in detecting box body,
So that maintenance personal detects the intracorporal barometric information of cabinet, prevent because in sulfur hexafluoride looped network box body SF6 gas it is insufficient due to occur
Electric leakage, it is highly-safe.
Utility model content
In view of the deficienciess of the prior art, this six the purpose of the utility model is to provide a kind of sulfur hexafluoride looped network box
Sulfur fluoride ring network cabinet has the device of air pressure in detecting box body, prompts when SF6 gas flow is too low in sulfur hexafluoride looped network box body
Maintenance personal's maintenance, prevents to leak electricity, highly-safe.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of sulfur hexafluoride ring network
Cabinet, including cabinet body, it is fixed on the cabinet for the detection device of air pressure in detecting box body and for fixed test device
Clamping apparatus；The detection device includes fixed detection pipe on the cabinet, is fixed on detection pipe both ends spacing collar, sealing are slided
What the dynamic detection block being mounted in detection pipe and one end and detection block were fixed drives detection block when reducing for air pressure in cabinet body
Mobile detection spring；The detection pipe is interlinked to the outside with cabinet body.
By using above-mentioned technical proposal, when air pressure reduces in sulfur hexafluoride looped network box body, the intracorporal air pressure of cabinet is to inspection
The thrust for surveying block is less than atmospheric pressure and detection spring to the synthesis thrust of detection block, so that detection block is in detection pipe
It is slided into cabinet body, prompts maintenance personal's maintenance, prevent from leaking electricity because SF6 gas flow is too low, to improve lithium
The safety of sulphur ring network cabinet.
The utility model is further arranged to, and further includes for the instruction device of pressure change in display case and in cabinet
The regulating device of instruction device is calibrated when interior pressure difference；The regulating device includes adjusting coaxial with detection pipe and fixed
Pipe；The instruction device includes the scale plate being fixed in regulation pipe, axis is parallel to scale plate and one end and scale plate rotate
Rotating bar, one end and the detection block of connection are fixed and the other end and rotating bar offset fixed link and to be fixed on rotating bar close
The pointer of one end of scale plate.
By using above-mentioned technical proposal, when air pressure increases in cabinet body, detection block is slided in detection pipe to outside cabinet body,
Fixed link is driven to move to outside cabinet body, so that one end that rotating bar and fixed link offset rotates, so that fixing with rotating bar
Pointer rotated on scale plate, prompted the intracorporal air pressure change of maintenance personal's cabinet, facilitate maintenance personal maintenance it is lithium
Sulphur ring network cabinet, to improve the convenience of the maintenance of sulfur hexafluoride looped network box.
The utility model is further arranged to, and the instruction device further includes the rubber being fixed between rotating bar and adjusting block
Leather rope.
By using above-mentioned technical proposal, when air pressure reduces in cabinet body, detection block is slided into cabinet body, so that fixed link
It is moved therewith into cabinet body, elastic string pulls rotating bar to rotate with the movement of fixed link, so that being fixed on the finger in rotating bar
Needle is rotated to direction opposite when increasing with air pressure in cabinet body, has been prompted the intracorporal barometric information of maintenance personal's cabinet, has been facilitated dimension
It repairs personnel and overhauls sulfur hexafluoride looped network box, to improve the convenience of the maintenance of sulfur hexafluoride looped network box.
The utility model is further arranged to, and the scale plate is carved with low pressure scale and high pressure scale, the high pressure scale
Close to cabinet body, the low pressure scale is far from cabinet body.
By using above-mentioned technical proposal, when air pressure increases, pointer is rotated to high pressure scale, when air pressure reduces, is referred to
Needle is rotated to low pressure scale, so that the turned position for observing pointer that maintenance personal is simple and clear, facilitates maintenance personal and sentence
The disconnected intracorporal atmospheric pressure state of cabinet, improves the convenience of the maintenance of sulfur hexafluoride looped network box.
The utility model is further arranged to, the regulating device further include the adjusting block being slidably mounted in regulation pipe,
It is fixed on adjusting ring of the regulation pipe far from detection pipe one end, one end sequentially passes through adjusting ring and adjusting block and connects with adjusting block screw thread
The screw rod connect and the handwheel fixed with screw rod far from one end of adjusting block；The adjusting block is fixed with detection spring；The silk
Bar and adjusting ring are rotatablely connected.
By using above-mentioned technical proposal, when being in hyperbar state in cabinet body, handwheel is rotated, screw rod rotates with it,
So that the adjusting block being threadedly coupled with it slides in regulation pipe, the distance between adjusting block and detection block are had adjusted, to adjust
Detection spring is saved to the active force of detection block, when so that detection block being touched close to the spacing collar of adjusting block, spacing collar is to detection
The effect of block inability, to have adjusted instruction device, plays calibration instruction at this point, pointer is located at the high pressure scale of scale plate
The effect of device is conducive to maintenance personal's observation accurately, improves the convenience of the maintenance of sulfur hexafluoride looped network box.
The utility model is further arranged to, and further includes the warning device alarmed for low pressure in cabinet body, the alarm
Device includes the buzzer being fixed on dial, the triggering block being fixed on pointer and is fixed on low pressure scale on scale plate
The conducting block at place contains battery in the buzzer, and buzzer is electrically connected with triggering block and conducting block respectively.
By using above-mentioned technical proposal, when being in low pressure in cabinet body, indicators turn to low pressure scale, so that pointer
On triggering block contacted with the conducting block on scale plate, with buzzer be formed into a loop so that buzzer sounds, sound an alarm, mention
Show that maintenance personal comes to overhaul sulfur hexafluoride looped network box, improves the safety of sulfur hexafluoride looped network box.
The utility model is further arranged to, and the clamping apparatus includes the clamping circle being arranged in detection pipe, for matching
It closes clamping and encloses the clamping block of fixed cabinet body and the clamping spring for resetting clamping block, the clamping circle includes being located at outside cabinet body
Outer ring and the inner ring smaller than outer ring outer diameter positioned at the intracorporal outer diameter of cabinet；The inner ring offers clamping groove, the clamping block sliding
It is mounted in clamping groove, the clamping spring is fixed between clamping block and clamping groove.
By using above-mentioned technical proposal, when will test pipe insertion cabinet body side wall, clamping block is pressed against by cabinet body
The slot bottom of clamping groove is mobile, and when the outer ring of clamping circle touches wall side wall, clamping block is moved up, and clamping block and outer ring will
Cabinet body is fixed, so that the detection pipe fixed with clamping circle is fixed on the cabinet, the setting of the clamping apparatus, so that detection device
Installation is more convenient, improves the practicability of the sulfur hexafluoride looped network box with air pressure detection function.
The utility model is further arranged to, and sealing ring is arranged with outside the inner ring, and the sealing ring is located at outer ring and card
It connects between block.
Sealing ring by using above-mentioned technical proposal, when cabinet body and detection pipe are clamped, between cabinet body side wall and clamping circle
It compresses, so that cabinet body side wall and clamping circle sealing, prevent the intracorporal gas leakage of cabinet, lead to the insulated wire of sulfur hexafluoride looped network box
Reduction leads to security risk, to improve the safety of sulfur hexafluoride looped network box.
In conclusion the utility model has the following beneficial effects:
1, when air pressure reduces in sulfur hexafluoride looped network box body, detection block is slided in detection pipe to cabinet body, prompts maintenance
Personnel's maintenance, prevents from leaking electricity because SF6 gas flow is too low, to improve the safety of sulfur hexafluoride looped network box；
2, when air pressure reduces in cabinet body, detection block is slided into cabinet body, and elastic string pulls rotating bar with the shifting of fixed link
It moves and rotates, so that the pointer being fixed in rotating bar is rotated to direction opposite when increasing with air pressure in cabinet body, prompted dimension
The intracorporal barometric information of personnel's cabinet is repaired, maintenance personal is facilitated and overhauls sulfur hexafluoride looped network box, to improve sulfur hexafluoride ring
The convenience of the maintenance of net cabinet；
3, when will test pipe insertion cabinet body side wall, clamping block is mobile by the slot bottom that cabinet body is pressed against clamping groove, and
When the outer ring of clamping circle touches wall side wall, clamping block is moved up, and cabinet body is fixed in clamping block and outer ring, so that with card
The fixed detection pipe of adapter ring is fixed on the cabinet, and the setting of the clamping apparatus improves so that the installation of detection device is more convenient
The practicability of the sulfur hexafluoride looped network box with air pressure detection function.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment；
Fig. 2 is the schematic diagram of the section structure of detection device.
In figure: 1, cabinet body；2, detection device；21, detection pipe；22, spacing collar；23, detection block；24, detection spring；3, refer to
Showing device；31, fixed link；32, scale plate；321, high pressure scale；322, low pressure scale；33, shaft；34, rotating bar；35, refer to
Needle；36, elastic string；4, regulating device；41, regulation pipe；42, adjusting block；43, adjusting ring；44, screw rod；45, handwheel；5, it alarms
Device；51, conducting block；52, triggering block；53, buzzer；6, clamping apparatus；61, clamping circle；611, outer ring；612, inner ring；
6121, clamping groove；62, clamping block；63, it is clamped spring；64, sealing ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1 and Figure 2, a kind of sulfur hexafluoride looped network box, including cabinet body 1, detection device 2, instruction device 3, adjusting dress
Set 4, warning device 5 and clamping apparatus 6.Cabinet body 1 is in cuboid hollow structure inside, is sealed with the external world.Detection device 2 includes inspection
Test tube 21, spacing collar 22, detection block 23 and detection spring 24.Detection pipe 21 is cylindrical, and one end passes through 1 side wall of cabinet body, separately
One end is located at outside cabinet body 1, will be connected to inside and outside cabinet body 1.22 section of spacing collar is circle, there are two, external cylindrical surface and detection pipe
The inner wall at 21 both ends is fixed.Detection block 23 is in cylindrical structure, is slidably mounted in detection pipe 21 and close with 21 inner wall of detection pipe
Envelope, so that detection block 23 moves under gas pressure when the air pressure change of 23 two sides of detection block.Regulating device 4 includes adjusting
Pipe 41 and adjusting block 42 are saved, in a tubular form, both ends open, one end and detection pipe 21 are located at one end outside cabinet body 1 and consolidate regulation pipe 41
It is fixed, and its axis is overlapped with 21 axis of detection pipe.Adjusting block 42 is in cylindrical body, is slidably mounted in regulation pipe 41.Detection spring
24 one end pass through the centre bore of spacing collar 22 and detection block 23 is fixed, and the other end is with adjusting block 42 close to the one side of detection block 23
It is fixed, and detection spring 24 is in compressive state, so that side of the detection block 23 in cabinet body 1 is by gas in cabinet body 1
The effect of body pressure, the side only effect by atmospheric pressure and spring thrust outside cabinet body 1, so that detection block
After 23 liang of lateral balances, air pressure change in cabinet body 1, detection block 23 can be moved.
As shown in Fig. 2, instruction device 3 includes fixed link 31, scale plate 32, shaft 33, rotating bar 34, pointer 35, rubber
Rope 36.31 one end of fixed link sequentially passes through the centre bore of adjusting block 42 and spacing collar 22, with detection block 23 far from one in cabinet body 1
Side is fixed, and fixed link 31 keeps horizontal.Scale plate 32 is square plate structure, is vertically arranged, lower side and regulation pipe
41 upside outer wall is fixed, and scale plate 32 is set to the one end of regulation pipe 41 far from detection pipe 21.On the surface of scale plate 32
It is carved with high pressure scale 321 and low pressure scale 322, high pressure scale 321 is close to cabinet body 1, and low pressure scale 322 is far from cabinet body 1.Shaft 33
It is fixed in the middle part of one end and scale plate 32 perpendicular to scale plate 32 in cylindrical body, and the axis of shaft 33 is lower than scale plate 32
Center.34 one end of rotating bar passes through regulation pipe 41 and shaft 33 is rotatablely connected, and the other end is located in regulation pipe 41 and fixed link 31
One end far from detection block 23 offsets, and rotating bar 34 is parallel to scale plate 32, and when so that detection block 23 is mobile, fixed link 31 is moved
It is dynamic, drive rotating bar 34 33 to rotate on scale plate 32 around the shaft.Pointer 35 is fixed on rotating bar 34 and shaft 33 is rotatablely connected
One end, and itself and 34 keeping parallelism of rotating bar, when rotating rotating bar 34, pointer 35 is located at high pressure quarter on scale plate 32
It is rotated between degree 321 and low pressure scale 322, facilitates the height that maintenance personal judges air pressure in cabinet body 1.Elastic string 36 has bullet
Property, one side of the one end with adjusting block 42 close to rotating bar 34 fix, and the other end and rotating bar 34 are fixed, and it is remained
Tightening, so that rotating bar 34 is pushed against with fixed link 31 always.
As shown in Fig. 2, regulating device 4 further includes adjusting ring 43, screw rod 44 and handwheel 45.43 section of adjusting ring is concentric
Circle, end face is fixed with regulation pipe 41 far from one end of detection pipe 21, and the axis weight of the axis of adjusting ring 43 and regulation pipe 41
It closes.One end of screw rod 44 sequentially passes through adjusting ring 43 and adjusting block 42, and is rotatablely connected with adjusting ring 43, with 42 screw thread of adjusting block
Connection, the other end are located at outside regulation pipe 41.The middle part of handwheel 45 is fixed with screw rod 44 far from one end of adjusting block 42, makes to go smoothly
When 45 rotation of wheel, screw rod 44 is rotated, and driving adjusting block 42 moves in regulation pipe 41, change detection block 23 and adjusting block 42 it
Between distance, have adjusted the tensioning degree of detection spring 24, to have adjusted detection spring 24 to the active force of detection block 23, make
Detection block 23 when being located at side of the detection pipe 21 far from cabinet body 1, by gas pressure in cabinet body 1 and the outer atmospheric pressure of cabinet body 1
And the comprehensive function power of detection spring 24 keeps balance, the pointer 35 of instruction device 3, which is located at, at this time is directed toward high pressure scale 321.
The setting of regulating device 4, so that instruction device 3 is directed to high pressure scale 321, and cabinet body in cabinet body 1 when high voltage standard difference
Air pressure reduces in 1, and pointer 35 is rotated to low pressure scale 322, facilitates maintenance personal and calibrates instruction device 3.
As shown in Fig. 2, warning device 5 includes conducting block 51, triggering block 52 and buzzer 53.Conducting block 51 is square block
Shape is fixed at 32 low pressure scale 322 of scale plate to be copper.For triggering block 52 in bulk, material is copper, is fixed on pointer 35,
When so that pointer 35 being directed toward low pressure scale 322, triggering block 52 is contacted with conducting block 51.Battery, battery are fixed in buzzer 53
For powering for buzzer 53, buzzer 53 is fixed on scale plate 32, and electrode is electrically connected with conducting block 51 at one, another
Place's electrode is electrically connected with triggering block 52, and when triggering block 52 is contacted with conducting block 51, buzzer 53 issues sound, to prompt to tie up
The personnel of repairing come to overhaul sulfur hexafluoride looped network box.
As shown in Fig. 2, clamping apparatus 6 includes clamping circle 61, clamping block 62, clamping spring 63 and sealing ring 64.Clamping circle
61 include outer ring 611 and inner ring 612, and 611 section of outer ring is concentric circles, is sheathed on one end that detection pipe 21 is located at outside cabinet body 1,
Inner wall and the sealing of 21 outer wall of detection pipe are fixed.612 section of inner ring is in concentric circles, and outer diameter is less than the outer diameter of outer ring 611, axis
It is overlapped with 611 axis of outer ring, inner ring 612 is fixed with outer ring 611 close to the end face of cabinet body 1, and the inner wall and detection pipe of inner ring 612
The sealing of 21 outer walls is fixed.612 outer wall of inner ring is opened up around its axle center there are four rectangular clamping groove 6121, and 62 section of clamping block is
Right-angled trapezium, inclined surface is towards being slidably mounted in clamping groove 6121 in cabinet body 1.It is clamped 63 one end of spring and 62 bottom of clamping block
Face is fixed, and one end is fixed with 6121 inner bottom surface of clamping groove, when so that the detection pipe 21 equipped with clamping apparatus 6 being inserted to 1 side wall of cabinet body,
Clamping block 62 is pressed against in clamping groove 6121 by 1 side wall of cabinet body and is slided, and when outer ring 611 and 1 side wall of cabinet body contact, card
Block 62 is connect to move to outside clamping groove 6121 under the action of the spring, so that clamping block 62 is adjacent to 1 inner sidewall of cabinet body, outer ring 611
It is adjacent to 1 lateral wall of cabinet body, so that detection pipe 21 and cabinet body 1 are fixed.In addition, the inner wall of sealing ring 64 and inner ring 612
Outer wall is fixed, and sealing ring 64 is adjacent to outer ring 611, so that cabinet body 1 and clamping circle 61 are tightly connected, avoids gas in cabinet body 1
It is revealed by clamping apparatus 6.
When the present embodiment is in use, when the air pressure in cabinet body 1 is high, detection block 23 is located at detection pipe 21 and is located at outside cabinet body 1
One end, at this time instruction device 3 pointer 35 be directed toward high pressure scale 321；When air pressure reduces in cabinet body 1, detection block 23 is close
Side pressure in cabinet body 1 is less than power suffered by side of the detection block 23 outside cabinet body 1, and detection block 23 is to cabinet body at this time
It is moved in 1, fixed link 31 is driven to move into cabinet body 1, so that rotating bar 34 is rotated into cabinet body 1, so that pointer 35 is to low pressure
Scale 322 rotates.When pointer 35 is directed toward low pressure scale 322, the triggering block 52 on pointer 35 is contacted with conducting block 51, so that bee
The device 53 that rings issues sound, prompts maintenance personal to come to overhaul, avoids sulfur hexafluoride looped network box body 1 due to SF6 gas flow is too low
It leaks electricity, to improve the safety of sulfur hexafluoride looped network box.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of sulfur hexafluoride looped network box, including cabinet body (1), be fixed on cabinet body (1) for detecting cabinet body (1) interior air pressure
Detection device (2) and the clamping apparatus (6) for being used for fixed test device (2), it is characterized in that: the detection device (2) includes
The detection pipe (21) that is fixed on cabinet body (1), the spacing collar (22) for being fixed on detection pipe (21) both ends, sealing are slidably mounted on inspection
Fixed the driving when reducing for cabinet body (1) interior air pressure of detection block (23) and one end and detection block (23) in test tube (21) is examined
Survey block (23) mobile detection spring (24)；The detection pipe is interlinked to the outside with cabinet body (1).
2. a kind of sulfur hexafluoride looped network box according to claim 1, it is characterized in that: further including becoming for pressure in display case
The instruction device (3) of change and the regulating device for being used to calibrate instruction device (3) when pressure difference in cabinet；The regulating device
It (4) include regulation pipe (41) coaxial with detection pipe (21) and fixed；The instruction device (3) includes being fixed on regulation pipe (41)
On scale plate (32), axis be parallel to the rotating bar (34) of scale plate (32) and one end and scale plate (32) rotation connection, one
It end and detection block (23) fixation and the fixed link (31) that offsets with rotating bar (34) of the other end and is fixed on rotating bar (34) and leans on
The pointer (35) of one end of nearly scale plate (32).
3. a kind of sulfur hexafluoride looped network box according to claim 2, it is characterized in that: the instruction device (3) further includes solid
The elastic string (36) being scheduled between rotating bar (34) and adjusting block (42).
4. a kind of sulfur hexafluoride looped network box according to claim 2, it is characterized in that: the scale plate (32) is carved with low pressure quarter
(322) and high pressure scale (321) are spent, the high pressure scale (321) is close to cabinet body (1), and the low pressure scale (322) is far from cabinet body
(1)。
5. a kind of sulfur hexafluoride looped network box according to claim 2, it is characterized in that: the regulating device (4) further includes sliding
The dynamic adjusting block (42) being mounted in regulation pipe (41) is fixed on the adjusting ring of regulation pipe (41) far from detection pipe (21) one end
(43), one end sequentially pass through adjusting ring (43) and adjusting block (42) and the screw rod (44) that is threadedly coupled with adjusting block (42) and with
The fixed handwheel (45) in the one end of screw rod (44) far from adjusting block (42)；The adjusting block (42) and detection spring (24) are fixed；
The screw rod (44) and adjusting ring (43) are rotatablely connected.
6. a kind of sulfur hexafluoride looped network box according to claim 1, it is characterized in that: further including for low gas in cabinet body (1)
The warning device (5) of alarm is pressed, the warning device (5) includes the buzzer (53) being fixed on dial, is fixed on pointer
(35) triggering block (52) on and it is fixed on conducting block (51) on scale plate (32) at low pressure scale (322), the buzzing
Contain battery in device (53), and buzzer (53) is electrically connected with triggering block (52) and conducting block (51) respectively.
7. a kind of sulfur hexafluoride looped network box according to claim 1, it is characterized in that: the clamping apparatus (6) includes being arranged
With the clamping circle (61) on detection pipe (21), the clamping block (62) for cooperating clamping circle (61) fixed cabinet body (1) and for multiple
The clamping spring (63) of position clamping block (62), the clamping circle (61) include positioned at cabinet body (1) outer outer ring (611) and positioned at cabinet
Outer diameter in body (1) inner ring (612) smaller than outer ring (611) outer diameter；The inner ring (612) offers clamping groove (6121), institute
It states clamping block (62) to be slidably mounted in clamping groove (6121), the clamping spring (63) is fixed on clamping block (62) and clamping groove
(6121) between.
8. a kind of sulfur hexafluoride looped network box according to claim 7, it is characterized in that: being arranged with outside the inner ring (612) close
Seal (64), the sealing ring (64) are located between outer ring (611) and clamping block (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396961.9U CN208690838U (en) | 2018-08-28 | 2018-08-28 | A kind of sulfur hexafluoride looped network box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396961.9U CN208690838U (en) | 2018-08-28 | 2018-08-28 | A kind of sulfur hexafluoride looped network box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690838U true CN208690838U (en) | 2019-04-02 |
Family
ID=65887147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821396961.9U Expired - Fee Related CN208690838U (en) | 2018-08-28 | 2018-08-28 | A kind of sulfur hexafluoride looped network box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690838U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675778A (en) * | 2021-10-25 | 2021-11-19 | 湖北拓普电力有限公司 | Air pressure alarm device for environment-friendly inflatable cabinet |
| CN114894401A (en) * | 2022-07-12 | 2022-08-12 | 常州埃依琦科技有限公司 | SF6 gas comprehensive detection module |
-
2018
- 2018-08-28 CN CN201821396961.9U patent/CN208690838U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675778A (en) * | 2021-10-25 | 2021-11-19 | 湖北拓普电力有限公司 | Air pressure alarm device for environment-friendly inflatable cabinet |
| CN113675778B (en) * | 2021-10-25 | 2022-02-01 | 湖北拓普电力有限公司 | Air pressure alarm device for environment-friendly inflatable cabinet |
| CN114894401A (en) * | 2022-07-12 | 2022-08-12 | 常州埃依琦科技有限公司 | SF6 gas comprehensive detection module |
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