CN205050783U - Breaker shell - Google Patents
Breaker shell Download PDFInfo
- Publication number
- CN205050783U CN205050783U CN201520798555.5U CN201520798555U CN205050783U CN 205050783 U CN205050783 U CN 205050783U CN 201520798555 U CN201520798555 U CN 201520798555U CN 205050783 U CN205050783 U CN 205050783U
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- CN
- China
- Prior art keywords
- liquid level
- level sensor
- shell
- circuit breaker
- water storage
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- Expired - Fee Related
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Abstract
The utility model discloses a breaker shell. Its technical scheme main points are breaker shell, including bottom and upper cover, and its characterized in that, the lateral wall of bottom is provided with the location mouth, and the dehumidification subassembly communicates with each other and can dismantle with the bottom and be connected through the inside cavity of location mouth with circuit breaker housing, dehumidification subassembly shell and the dehumidification box of setting in the middle of the shell, the dehumidification box has the water storage chamber, be equipped with the level sensor who is used for detecting the water level on the lateral wall in water storage chamber, the surface mounting of upper cover has the warning light, last being coupled of level sensor is used for controlling the control circuit that the warning light was opened and close. Reached the air that reaches circuit breaker inside through the dehumidification subassembly and dehumidified, and can not obstruct the normal work of circuit breaker and occupy smallly to having simple to operate, can to dismantle the practicality strong. And level sensor's setting can reach to remind under the fast filling circumstances of moisture in the water storage chamber and change the dehumidification subassembly, changes in time effectively.
Description
Technical field
The utility model relates to electric component field, and in particular, it relates to a kind of shell of circuit breaker.
Background technology
Moulded case circuit breaker is called for short breaker of plastic casing, and be also referred to as molded case circuit breaker, all parts are all sealed in plastic casing, auxiliary contact, and under-voltage release and shunt release etc. adopt modularization more.Due to structure closely, breaker of plastic casing cannot overhaul substantially, is applicable to the protection switch making branch road.It adopts manual operation more, and Large Copacity can select electronic deciliter.Current moulded case circuit breaker applies in various occasion, if but use in the occasion of humidity, the occasion of the such as humidity in the place such as chemical plant, fish processing plant can cause the electric component in the middle of moulded case circuit breaker to lose efficacy very soon, cause lifetime, current common mode of operation prevents the globule to enter circuit breaker internal for being placed in the middle of caisson by circuit breaker.
Such as application number be 200920104360.0 Chinese utility model disclose a kind of gas tool device case of circuit breaker, it is provided with chamber door on casing, in chamber door, be provided with dehumidifying heat pump.This is used for that effective prevention impurity of gas tool device case of circuit breaker and the invasion and attack of moisture, for circuit breaker provides the environment of drying, relative closure.Thus effectively reduce failure rate and the maintenance cost of circuit breaker, but by being provided with this mode of caisson in addition, there is following defect, install inconvenience and somewhat expensive, the space availability ratio that caisson volume causes more greatly installation place is not high.
Utility model content
According to the deficiencies in the prior art, the utility model provide a kind of easy for installation, change in time, take little, the practical a kind of moulded case circuit breaker shell with dehumidification function of volume.
For achieving the above object, the utility model provides following technical scheme: a kind of shell of circuit breaker, comprise bottom and upper cover, it is characterized in that, the sidewall of described bottom is provided with positioning port, dehumidifying component to be communicated with the internal chamber of case for circuit breaker by positioning port and removably connects with bottom, described dehumidifying component shell and the desiccant cartridge be arranged in the middle of shell, described desiccant cartridge has water storage cavity, the sidewall of described water storage cavity is provided with the liquid level sensor for sensed water level, the surface of described upper cover is provided with warning lamp, described liquid level sensor is coupled with the control circuit opened and closed for controlling warning lamp.
Further, described liquid level sensor comprises the first liquid level sensor and the second liquid level sensor; Described first liquid level sensor is positioned at the upper side wall of water storage cavity, and described second liquid level sensor is positioned at the lower wall of water storage cavity.
Further, described control circuit: be coupled to the first liquid level sensor and receive the first liquid level signal, export the first control signal, and be coupled to the second liquid level sensor and receive the second liquid level signal, export the second control signal, control whether to draw water to water pumper to make the first control signal and the second control signal simultaneously.
Further, described desiccant cartridge comprises the moisture-protecting paper being arranged on opening, and desiccant cartridge is provided with filter, is filled with calcium chloride granules in the chamber above filter.
Further, the both sides of described bottom are provided with dehumidifying component.
Further, described dehumidifying component and bottom junction are provided with sealing ring.
The beneficial effects of the utility model are, because the assembly of circuit breaker internal coordinates tightr, so be provided with positioning port at sidewall, dehumidifying component can be installed at positioning port place, can easily reach with breaker assembly internal chamber together with, and reached by dehumidifying component and the air of circuit breaker internal is dehumidified, and the normal work of circuit breaker can not be hindered and take volume little, and there is detachably practical, practical and convenient effect flexibly easy for installation.And carry out prompting changing dehumidifying component by the luminescence of warning lamp when being filled soon by the setting moisture that can reach in water storage cavity of liquid level sensor, change timely and effective, effect on moisture extraction is better.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of moulded case circuit breaker shell;
Fig. 2 is the front schematic view of a kind of embodiment of a kind of moulded case circuit breaker shell;
Fig. 3 is the side schematic view of a kind of embodiment of a kind of moulded case circuit breaker shell;
Fig. 4 is control circuit of the present utility model;
Fig. 5 is the schematic circuit of liquid level sensor of the present utility model.
Description of reference numerals: the schematic circuit 9 of bottom 1, upper cover 2, opening 3, cover plate 31, dehumidifying component 4, desiccant cartridge 41, moisture-protecting paper 41a, calcium chloride granules 41b, filter 41c, water storage cavity 41d, shell 42, warning lamp 5, first liquid level sensor 6, second liquid level sensor 7, control circuit 8, liquid level sensor.
Embodiment
Do auspiciously further to state to the utility model by specific embodiment below in conjunction with accompanying drawing, following examples are descriptive, are not determinate, can not limit protection range of the present utility model with this.
A kind of plastic casing 42 formula case for circuit breaker 42, comprise bottom 1 and upper cover 2, bottom 1 and upper cover 2 are fixed by the screw thread at each three places up and down, an opening 3 is provided with in the two side of bottom 1, the part of position in the close bottom of bottom 1 that opening 3 is arranged, opening 3 shape can be the shapes such as circle, rectangle, and in the middle of the present embodiment, select foursquare shape, the height of opening 3 is 1/1 to six/5th of the length of bottom 1.And above opening 3, be provided with hinged cover plate 31, opening 3 can be realized sealing by upset cover plate 31, the surrounding of cover plate 31 is provided with sealing ring, the better effects if of sealing can be reached, can reach under being not very moist environment by such arranging, by cover plate 31 is covered, the complete of case for circuit breaker 42 can be this ensures that thered, dehydrating unit can be used dehumidify.
With reference to accompanying drawing, as wherein a kind of embodiment of the present utility model, opening 3 is provided with in the both sides of bottom 1, dehydrating unit comprises shell 42 and is arranged on the desiccant cartridge 41 in the middle of shell 42, the shape of its housing 42 is rectangular-shaped, vertically be arranged on the sidewall of base, the side of shell 42 is provided with opening 3, the shape size of opening 3 is identical with opening 3 size of bottom 1 sidewall herein, shell 42 and bottom 1 place are provided with some anchor points, sidewall shell 42 being fixed on bottom 1 can be realized by bolt, but also anchor point can be had at shell 42 with wall contact position is extended, also can be fixed dehumidifying component 4 by bolt like this.And be also provided with sealing ring at opening 3 place of shell 42, reach better sealing effectiveness, the desiccant cartridge 41 in the middle of the present embodiment is placed on the bottom of shell 42, leaves certain space above, reaches and carried out fully alternately with the air of circuit breaker internal.The shape of desiccant cartridge 41 is also oblong-shaped, desiccant cartridge 41 comprises an opening 3, at opening 3, place is provided with moisture-protecting paper 41a, and the middle position of desiccant cartridge 41 is provided with filter 41c, the top of filter 41c is filled with calcium chloride granules 41b, calcium chloride granules 41b has the high advantage of hygroscopic capacity, filter 41c has gap, can ensure that calcium chloride granules 41b can not drain to below, the below of filter 41c is exactly water storage cavity 41d, the moisture absorbed can be stored in the middle of water storage cavity 41d, the moisture-protecting paper 41a of water storage cavity 41d can reach and is locked in the middle of desiccant cartridge 41 by moisture.And the shell 42 in the middle of the present embodiment adopts transparent plastics to make, more conveniently can observe the change of liquid level in the middle of water storage cavity 41d, thus realize more sliding desiccant cartridge 41 according to the change of liquid level.The surface of upper cover 2 is provided with warning lamp 5, because desiccant cartridge 41 is provided with one in both sides, so warning lamp 5 is also provided with two, described liquid level sensor is coupled with the control circuit 8 opened and closed for controlling warning lamp 5.
Because the assembly of circuit breaker internal coordinates tightr, so be provided with positioning port at sidewall, at positioning port place, dehumidifying component 4 can be installed, can easily reach with breaker assembly internal chamber together with, and reached by dehumidifying component 4 and the air of circuit breaker internal is dehumidified, and the normal work of circuit breaker can not be hindered and take volume little, and there is detachably practical, practical and convenient effect flexibly easy for installation.And carry out prompting changing dehumidifying component 4 by the luminescence of warning lamp 5 when being filled soon by the setting moisture that can reach in water storage cavity 41d of liquid level sensor, change timely and effective, effect on moisture extraction is better.
Control circuit 9: be coupled to the first liquid level sensor 6 and receive the first liquid level signal, export the first control signal, and be coupled to the second liquid level sensor 7 and receive the second liquid level signal, export the second control signal, control whether to draw water to warning lamp 5 to make the first control signal and the second control signal simultaneously, control circuit 9 comprises the second triode Q2, second relay K M2 and latching relay KM3, the base stage of the second triode Q2 is coupled to the first liquid level sensor 6 to receive the first liquid level signal, the collector electrode of the second triode Q2 connects power supply, the emitter of the second triode Q2 is coupled to ground connection after the coil of the second relay K M2, the normally opened contact of the second relay K M2 is coupled to warning lamp 5 to control the keying of warning lamp 5, the coil of the second relay K M2 is parallel with diode D2, electricity when power-off in coil can be consumed by diode D2, the hot-wire coil of latching relay KM3 is coupled between the first triode Q1 and ground, the self-sustaining coil of latching relay KM3 is coupled to the normally opened contact of the second relay K M2 to control latching relay disconnection, the normally opened contact of latching relay KM3 is coupled to the normally opened contact of the second relay K M2 successively, warning lamp 5, power supply.
When water level reduces, first liquid level sensor 6 is no longer submerged, make the second triode Q2 conducting, second relay K M2 conducting simultaneously, the normally opened contact of the second relay K M2 is closed, thus make the self-sustaining coil conducting of latching relay KM3, water level continues to reduce, second liquid level sensor 7 is no longer submerged, make the first triode Q1 conducting, and the hot-wire coil conducting of latching relay KM3, the normally opened contact of latching relay KM3 is closed, and closed all the time by normally opened contact by self-sustaining coil, when the normally opened contact of the second relay K M2 and the normally opened contact of latching relay KM3 all close, warning lamp 5 works.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. the shell of a circuit breaker, comprise bottom and upper cover, it is characterized in that, the sidewall of described bottom is provided with positioning port, dehumidifying component to be communicated with the internal chamber of case for circuit breaker by positioning port and removably connects with bottom, desiccant cartridge is provided with in described shell, described desiccant cartridge has water storage cavity, the sidewall of described water storage cavity is provided with the liquid level sensor for sensed water level, the surface of described upper cover is provided with warning lamp, described liquid level sensor is coupled with the control circuit opened and closed for controlling warning lamp.
2. the shell of a kind of circuit breaker according to claim 1, is characterized in that, described liquid level sensor comprises the first liquid level sensor and the second liquid level sensor;
Described first liquid level sensor is positioned at the upper side wall of water storage cavity, and described second liquid level sensor is positioned at the lower wall of water storage cavity.
3. the shell of a kind of circuit breaker according to claim 2, it is characterized in that, described control circuit: be coupled to the first liquid level sensor and receive the first liquid level signal, export the first control signal, and be coupled to the second liquid level sensor and receive the second liquid level signal, export the second control signal, control whether to draw water to water pumper to make the first control signal and the second control signal simultaneously.
4. the shell of a kind of circuit breaker according to claims 1 to 3 any one, is characterized in that, described desiccant cartridge comprises the moisture-protecting paper being arranged on opening, and desiccant cartridge is provided with filter, is filled with calcium chloride granules in the chamber above filter.
5. the shell of a kind of circuit breaker according to claim 1, is characterized in that, the both sides of described bottom are provided with dehumidifying component.
6. the shell of a kind of circuit breaker according to claim 5, is characterized in that, described dehumidifying component and bottom junction are provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520798555.5U CN205050783U (en) | 2015-10-15 | 2015-10-15 | Breaker shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520798555.5U CN205050783U (en) | 2015-10-15 | 2015-10-15 | Breaker shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205050783U true CN205050783U (en) | 2016-02-24 |
Family
ID=55344334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520798555.5U Expired - Fee Related CN205050783U (en) | 2015-10-15 | 2015-10-15 | Breaker shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205050783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI632584B (en) * | 2016-09-22 | 2018-08-11 | 陳錫瑜 | Breaker annex combination apparatus |
-
2015
- 2015-10-15 CN CN201520798555.5U patent/CN205050783U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI632584B (en) * | 2016-09-22 | 2018-08-11 | 陳錫瑜 | Breaker annex combination apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20161015 |