CN202205316U - Residual current type electrical fire hazard monitor - Google Patents
Residual current type electrical fire hazard monitor Download PDFInfo
- Publication number
- CN202205316U CN202205316U CN2011203150661U CN201120315066U CN202205316U CN 202205316 U CN202205316 U CN 202205316U CN 2011203150661 U CN2011203150661 U CN 2011203150661U CN 201120315066 U CN201120315066 U CN 201120315066U CN 202205316 U CN202205316 U CN 202205316U
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- mutual inductor
- current mutual
- sample rate
- housing
- current
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Abstract
Disclosed is a residual current type electrical fire hazard monitor, comprising a housing, a control circuit board, a power-in terminal assembly and a power-out terminal assembly which are arranged in the housing, and a liquid crystal display screen and a button switch which are arranged upon the housing. The housing further comprises a current sampling apparatus, wherein two side ends of the current sampling apparatus are provided with a spacing plate. The inner wall of the housing is further provided with a spacing groove cooperating with the spacing plate. Compared with the conventional residual current type electric fire hazard monitor, the residual current type electrical fire hazard monitor of the utility model, by fully utilizing the binding post assembly of the plastic casing breaker and the wiring mode thereof, is capable of saving a lot of connecting wires and simplifies the wiring operation. The residual current type electrical fire hazard monitor of the utility model features a compact and reasonable structure with little space occupation and can cut the overall manufacturing cost.
Description
Technical field
The utility model belongs to the fire monitor technical field, is specifically related to a kind of residual-current electrical fire monitor.
Background technology
Residual-current electrical fire monitor is an a kind of important on-site terminal device of gathering numerous electric disaster hidden-trouble information; Its function mainly contains the residual current detection alarm and realizes microcomputer Long-distance Control etc. through configuration software, applicable to complex circuit such as the high place of electrical fire incidence, bulk storage plant, office, commercial building, hotel, dwelling house and recreation place and occasion that reliability, security, the dirigibility of power supply are had relatively high expectations.
Common in the market residual-current electrical fire monitor comprises shell body and the isolating switch, ZCT, residual current control module, network communication module, the described isolating switch that are installed separately independently of one another in shell body are traditional breaker of plastic casing; Described ZCT and conventional circuit breaker are in series; Described residual current control module be arranged on conventional circuit breaker around; Calculating, demonstration etc. are handled, comprised to residual current to the ZCT sampling; Described network communication module is connected with the residual current control module, and the signal that the residual current control module was handled transmits with host computer communicates by letter.
Patent documentation CN201698556U discloses a kind of residual-current electrical fire monitoring detector; Its structure is made up of RCCB, current transformer, wiring board, base, loam cake, button; RCCB is contained on the support on base the right, and the wiring board base plate is placed in the base left side, and the wiring board panel is inserted on the base plate; Current transformer is inserted in the RCCB bottom, and it is drawn winding displacement and is inserted on the socket of wiring board panel; Phase insulating board is inserted in the RCCB upper end; Indicator light wire board, LCD, button wiring board are contained in and cover, on cover the turnover cable card board be set.This kind structure exists structure comparatively complicated, and bigger weak point takes up room.
The utility model content
The purpose of the utility model provides the comparatively reasonable compactness of a kind of structure, less residual-current electrical fire monitor takes up room.
The technical scheme that realizes the utility model purpose is: a kind of residual-current electrical fire monitor, comprise housing, and be arranged on control circuit board, current enter sub-component and current output terminal sub-component in the housing, be arranged on LCDs and pushbutton switch on the housing; Said housing also is provided with current sampling device, and the two side ends of said current sampling device is provided with limiting plate, also is provided with the stopper slot that matches with this limiting plate on the said inner walls.
In the technique scheme, said control circuit board is provided with the controller terminal block, and said controller terminal block is provided with patch jack and is used for the fastener hole that the turn trip bolt compresses wiring, and said patch jack exposes housing; Said housing is provided with the insulating sealer that is used for shutoff controller terminal block fastener hole.
In the technique scheme, said electric fire disaster monitoring device case is provided with connecting groove, and the fastener hole of said controller terminal block is over against said connecting groove setting, and said insulating sealer is fixed in the connecting groove.
In the technique scheme, said current sampling device comprises a zero sequence current mutual inductor and three sample rate current mutual inductors; Said each sample rate current mutual inductor comprises insulation shell, iron core and coil; Said zero sequence current mutual inductor comprises insulation shell, iron core and coil; Each sample rate current mutual inductor insulation shell center is provided with a sleeve pipe and the square shape storage tank that is positioned at outside of sleeve, and its iron core and coil are arranged in storage tank; Said zero sequence current mutual inductor insulation shell is provided with storage tank and two short sleeve pipes and two high sleeve pipes of being arranged in storage tank, and its iron core and coil are arranged in storage tank, and each sleeve pipe all is arranged in vestibule unshakable in one's determination; Said short sleeve pipe is lower than the zero sequence current mutual inductor insulation shell, and said high sleeve pipe exceeds the zero sequence current mutual inductor insulation shell, and said short sleeve pipe and high sleeve pipe are provided with at interval; First is set on two high sleeve pipes of zero sequence current mutual inductor through self overlapping tube side-by-side with second sample rate current mutual inductor; The 3rd sample rate current mutual inductor is positioned at the side of these two sample rate current mutual inductors away from zero sequence current mutual inductor, and is pressed on this this two sample rate current mutual inductors on the zero sequence current mutual inductor.
In the technique scheme, first and second sample rate current mutual inductor respectively are provided with the positive stop lug boss of a protrusion at its side away from zero sequence current mutual inductor, and are combined into draw-in groove of formation; The said the 3rd each and every one sample rate current mutual inductor is embedded in this draw-in groove.
In the technique scheme, said three sample rate current mutual inductors are lined up isosceles triangle.
In the technique scheme, said zero sequence current mutual inductor is provided with flange as limiting plate at its side away from the sample rate current mutual inductor, and said the 3rd sample rate current mutual inductor also is provided with flange as limiting plate at its side away from zero sequence current mutual inductor; Said iron core and coil are fixed in the corresponding storage tank through the plastic packaging mode.
In the technique scheme, the conducting copper in each current enter sub-component passes zero sequence current mutual inductor sleeve pipe and sample rate current mutual inductor sleeve pipe successively.
In the technique scheme, the top of said current sampling device is provided with screw, said control circuit board through the screw retention that matches with this screw at the current sampling device top.
In the technique scheme, the roof of said sample rate current mutual inductor housing and zero sequence current mutual inductor housing is provided with boss, is provided with the metal nut that possesses screw in the said boss, and said metal nut is embedded in the boss through injection molding.
The utlity model has positive effect: (1) the utility model is compared with traditional residual-current electrical fire monitoring detector; Make full use of the connecting terminal components and the mode of connection that breaker of plastic casing self has; Can save more connecting line, also save loaded down with trivial details wiring operations, its structure is compact and reasonable comparatively; It is less to take up room, and can effectively reduce whole manufacturing cost.
Description of drawings
Fig. 1 is a kind of perspective view of the utility model;
Fig. 2 is a kind of perspective view of current sampling device in the residual-current electrical fire monitor shown in Figure 1;
Fig. 3 is a kind of explosive view of current sampling device shown in Figure 2;
Fig. 4 is a kind of explosive view of electric fire disaster monitoring device shown in Figure 1;
Fig. 5 is a kind of perspective view of electric fire disaster monitoring device middle shell shown in Figure 1;
Fig. 6 is a kind of perspective view of current enter sub-component in the electric fire disaster monitoring device shown in Figure 1;
Fig. 7 is a kind of cut-open view of current enter sub-component shown in Figure 6.
Be labeled as shown in the accompanying drawing: current sampling device 1, limiting plate 11, connecting groove 13, current enter sub-component 21, conducting copper 211; Current output terminal sub-component 22, housing 23, stopper slot 231, locator card platform 232; Control circuit board 24, LCDs 25, pushbutton switch 26, controller terminal block 27; Patch jack 271, fastener hole 272, insulating sealer 28
Sample rate current mutual inductor 3, insulation shell 32, sleeve pipe 33, storage tank 34, positive stop lug boss 35, zero sequence current mutual inductor 4; Insulation shell 41, storage tank 42, short sleeve pipe 43, high sleeve pipe 44, screw 5; Boss 51, metal nut 52, insulating base 61, blind hole 611, chute 612; Locating groove 613, metal caul 62, screw 621, anticreep boss 622, trip bolt 63.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 7 has shown a kind of embodiment of the utility model, and wherein Fig. 1 is a kind of perspective view of the utility model; Fig. 2 is a kind of perspective view of current sampling device in the residual-current electrical fire monitor shown in Figure 1; Fig. 3 is a kind of explosive view of current sampling device shown in Figure 2; Fig. 4 is a kind of explosive view of electric fire disaster monitoring device shown in Figure 1; Fig. 5 is a kind of perspective view of electric fire disaster monitoring device middle shell shown in Figure 1; Fig. 6 is a kind of perspective view of current enter sub-component in the electric fire disaster monitoring device shown in Figure 1; Fig. 7 is a kind of cut-open view of current enter sub-component shown in Figure 6.
Present embodiment is a kind of residual-current electrical fire monitor; See that Fig. 1 is to shown in Figure 7; Comprise housing 23, be arranged on control circuit board 24, current enter sub-component 21 and current output terminal sub-component 22 in the housing 23, be arranged on LCDs 25 and pushbutton switch 26 on the housing 23; It is characterized in that: said housing 23 also is provided with current sampling device 1, and the two side ends of said current sampling device 1 is provided with limiting plate 11, also is provided with the stopper slot 231 that matches with this limiting plate 11 on said housing 23 inwalls.
Said control circuit board is provided with controller terminal block 27, and said controller terminal block 27 is provided with patch jack 271 and is used for the fastener hole 272 that the turn trip bolt compresses wiring, and said patch jack 271 exposes housing 23; Said housing 23 is provided with the insulating sealer 28 that is used for shutoff controller terminal block 27 fastener holes 272.Said electric fire disaster monitoring device case 23 is provided with connecting groove 13, and the fastener hole 272 of said controller terminal block 27 is provided with over against said connecting groove 13, and said insulating sealer 28 is fixed in the connecting groove 13.
Said current sampling device 1 comprises a zero sequence current mutual inductor 4 and three sample rate current mutual inductors 3; Said each sample rate current mutual inductor 3 comprises insulation shell 32, iron core and coil; Said zero sequence current mutual inductor 4 comprises insulation shell 41, iron core and coil; Each sample rate current mutual inductor insulation shell 32 center is provided with a sleeve pipe 33 and the square shape storage tank 34 that is positioned at sleeve pipe 33 outsides, and its iron core and coil are arranged in storage tank 34; Said zero sequence current mutual inductor insulation shell 41 is provided with storage tank 42 and two short sleeve pipes 43 and two high sleeve pipes 44 of being arranged in storage tank 42, and its iron core and coil are arranged in storage tank 42, and each sleeve pipe all is arranged in vestibule unshakable in one's determination; Said short sleeve pipe 43 is lower than zero sequence current mutual inductor insulation shell 41, and said high sleeve pipe 44 exceeds zero sequence current mutual inductor insulation shell 41, and said short sleeve pipe 43 is provided with high sleeve pipe 44 at interval; First is set on two zero sequence current mutual inductors, the 4 high sleeve pipes 44 through self sleeve pipe 33 with second sample rate current mutual inductor 3 side by side; The 3rd sample rate current mutual inductor 3 is positioned at the side of these two sample rate current mutual inductors 3 away from zero sequence current mutual inductor 4, and is pressed on this this two sample rate current mutual inductors 3 on the zero sequence current mutual inductor 4.Said three sample rate current mutual inductors 3 are lined up isosceles triangle.
First and second sample rate current mutual inductor 3 respectively are provided with the positive stop lug boss 35 of a protrusion at its side away from zero sequence current mutual inductor 4, and are combined into draw-in groove of formation; The said the 3rd each and every one sample rate current mutual inductor 3 is embedded in this draw-in groove.
Said zero sequence current mutual inductor 4 is provided with flange as limiting plate 11 at its side away from sample rate current mutual inductor 3, and said the 3rd sample rate current mutual inductor 3 also is provided with flange as limiting plate 11 at its side away from zero sequence current mutual inductor 4; Said iron core and coil are fixed in the corresponding storage tank through the plastic packaging mode.
Each current enter sub-component, the conducting copper 211 in 21 passes zero sequence current mutual inductor sleeve pipe and sample rate current mutual inductor sleeve pipe successively.
The roof of said sample rate current mutual inductor housing 32 and zero sequence current mutual inductor housing 41 is provided with boss 51, is provided with the metal nut 52 that possesses screw 5 in the said boss 51, and said metal nut 52 is embedded in the boss 51 through injection molding; Said control circuit board 24 through the screw retention that matches with this screw 5 at current sampling device 1 top.
Said each current enter sub-component 21 comprise the insulating base 61 that is provided with blind hole 611, the metal caul 62 that is provided with screw 621 and with metal caul on the trip bolt 63 that matches of screw 621; Said insulating base 61 is provided with chute 612, and said metal caul 62 can slide along chute 612, and the screw 621 on the said metal caul 62 is provided with over against the blind hole 611 on the insulating base 61; Said insulating base 61 is fixed on the housing 23.
Said housing 23 is provided with locator card platform 232, and said insulating base 61 is provided with the locating groove 613 that matches with this locator card platform 232, and said insulating base 61 is fixed on the housing 23 through snap fit.
What also be provided with protrusion on the diapire of said metal caul 62 is used for preventing the anticreep boss 622 of metal caul 62 from chute 612 slippages, and said anticreep boss 622 stretches in the blind hole 611 of insulating base.
This kind terminal assemblies at first pushes metal caul in the chute of insulating base in use, then conducting copper 211 is screwed on metal caul, is stuck in insulating base on the locator card platform 232 of housing to get final product again.
Present embodiment is compared with traditional residual-current electrical fire monitoring detector; Make full use of the connecting terminal components and the mode of connection that breaker of plastic casing self has; Can save more connecting line, also save loaded down with trivial details wiring operations, its structure is compact and reasonable comparatively; It is less to take up room, and can effectively reduce whole manufacturing cost.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection domain of the utility model.
Claims (10)
1. residual-current electrical fire monitor; Comprise housing (23); Be arranged on control circuit board (24), current enter sub-component (21) and current output terminal sub-component (22) in the housing (23), be arranged on LCDs (25) and pushbutton switch (26) on the housing (23); It is characterized in that: said housing (23) also is provided with current sampling device (1), and the two side ends of said current sampling device (1) is provided with limiting plate (11), also is provided with the stopper slot (231) that matches with this limiting plate (11) on said housing (23) inwall.
2. residual-current electrical fire monitor according to claim 1; It is characterized in that: said control circuit board is provided with controller terminal block (27); Said controller terminal block (27) is provided with patch jack (271) and is used for the fastener hole (272) that the turn trip bolt compresses wiring, and said patch jack (271) exposes housing (23); Said housing (23) is provided with the insulating sealer (28) that is used for shutoff controller terminal block (27) fastener hole (272).
3. residual-current electrical fire monitor according to claim 2; It is characterized in that: said electric fire disaster monitoring device case (23) is provided with connecting groove (13); The fastener hole (272) of said controller terminal block (27) is provided with over against said connecting groove (13), and said insulating sealer (28) is fixed in the connecting groove (13).
4. residual-current electrical fire monitor according to claim 1 is characterized in that: said current sampling device comprises a zero sequence current mutual inductor (4) and three sample rate current mutual inductors (3); Said each sample rate current mutual inductor (3) comprises insulation shell (32), iron core and coil; Said zero sequence current mutual inductor (4) comprises insulation shell (41), iron core and coil; Each sample rate current mutual inductor insulation shell (32) center is provided with a sleeve pipe (33) and is positioned at the square shape storage tank (34) in sleeve pipe (33) outside, and its iron core and coil are arranged in storage tank (34);
Said zero sequence current mutual inductor insulation shell (41) is provided with storage tank (42) and is arranged in two short sleeve pipes (43) and two high sleeve pipes (44) of storage tank (42), and its iron core and coil are arranged in storage tank (42), and each sleeve pipe all is arranged in vestibule unshakable in one's determination; Said short sleeve pipe (43) is lower than zero sequence current mutual inductor insulation shell (41), and said high sleeve pipe (44) exceeds zero sequence current mutual inductor insulation shell (41), and said short sleeve pipe (43) and high sleeve pipe (44) are provided with at interval;
First is set on the high sleeve pipes of two zero sequence current mutual inductors (4) (44) through self sleeve pipe (33) with second sample rate current mutual inductor (3) side by side; The 3rd sample rate current mutual inductor (3) is positioned at the side of these two sample rate current mutual inductors (3) away from zero sequence current mutual inductor (4), and is pressed on this this two sample rate current mutual inductors (3) on the zero sequence current mutual inductor (4).
5. residual-current electrical fire monitor according to claim 4; It is characterized in that: first and second sample rate current mutual inductor (3) are at its side away from zero sequence current mutual inductor (4); Respectively be provided with the positive stop lug boss (35) of a protrusion, and be combined into draw-in groove of formation; The said the 3rd each and every one sample rate current mutual inductor (3) is embedded in this draw-in groove.
6. residual-current electrical fire monitor according to claim 5 is characterized in that: said three sample rate current mutual inductors (3) are lined up isosceles triangle.
7. residual-current electrical fire monitor according to claim 6; It is characterized in that: said zero sequence current mutual inductor (4) is provided with flange as limiting plate (11) at its side away from sample rate current mutual inductor (3), and said the 3rd sample rate current mutual inductor (3) also is provided with flange as limiting plate (11) at its side away from zero sequence current mutual inductor (4); Said iron core and coil are fixed in the corresponding storage tank through the plastic packaging mode.
8. residual-current electrical fire monitor according to claim 6 is characterized in that: the conducting copper (211) in each current enter sub-component (, 21) passes zero sequence current mutual inductor sleeve pipe and sample rate current mutual inductor sleeve pipe successively.
9. residual-current electrical fire monitor according to claim 5; It is characterized in that: the top of said current sampling device (1) is provided with screw (5), said control circuit board (24) through the screw retention that matches with this screw (5) at current sampling device (1) top.
10. residual-current electrical fire monitor according to claim 9; It is characterized in that: the roof of said sample rate current mutual inductor housing (32) and zero sequence current mutual inductor housing (41) is provided with boss (51); Be provided with the possess screw metal nut (52) of (5) in the said boss (51), said metal nut (52) is embedded in the boss (51) through injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203150661U CN202205316U (en) | 2011-08-26 | 2011-08-26 | Residual current type electrical fire hazard monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203150661U CN202205316U (en) | 2011-08-26 | 2011-08-26 | Residual current type electrical fire hazard monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202205316U true CN202205316U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203150661U Withdrawn - After Issue CN202205316U (en) | 2011-08-26 | 2011-08-26 | Residual current type electrical fire hazard monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202205316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426748A (en) * | 2011-08-26 | 2012-04-25 | 浙江索德科技有限公司 | Residual current type electrical fire monitoring device |
-
2011
- 2011-08-26 CN CN2011203150661U patent/CN202205316U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426748A (en) * | 2011-08-26 | 2012-04-25 | 浙江索德科技有限公司 | Residual current type electrical fire monitoring device |
| CN102426748B (en) * | 2011-08-26 | 2014-11-19 | 浙江索德科技有限公司 | Residual current type electrical fire monitoring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Zhaowen Inventor before: Liu Dehan |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LIU DEHAN TO: ZHAO ZHAOWEN |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20141119 |
|
| RGAV | Abandon patent right to avoid regrant |