CN202281796U

CN202281796U - Voltage existence indication system

Info

Publication number: CN202281796U
Application number: CN2011203619284U
Authority: CN
Inventors: J.P.伯瑟尔; B.科林
Original assignee: Alstom Grid SAS
Current assignee: Grid Solutions SAS; Schneider Electric Energy France SAS
Priority date: 2010-09-24
Filing date: 2011-09-26
Publication date: 2012-06-20
Anticipated expiration: 2021-09-26
Also published as: FR2965359B1; FR2965359A1

Abstract

The utility model provides a voltage existence indication system (10), which is used for power distribution equipment (70) comprising a voltage detection system (14) and a display apparatus (18). The indication system is characterized in that the display apparatus (18) is directly connected with the voltage detection system (14), and a mounting apparatus is manufactured to enable the voltage detection system (14) and the display apparatus (18) to be suitably mounted in the public portion (80) of the power distribution equipment (70).

Description

There is indication mechanism in voltage

Technical field

The utility model provides a kind of system that has or do not exist voltage in the middle and high or very high-tension line of electric force that is shown in that is used in reference to.

The device that is used for the instructed voltage existence mainly comprises voltage detecting system and display device.

Background technology

It is to be used for dispensing to pass through that there is indication mechanism in voltage, the high or unusual utility appliance of the equipment of the electric power of high-voltage power line transmission.

Voltage exists indication mechanism to be connected to each phase place of line of electric force, and can be by means of having voltage in the display device notifying operation person line of electric force.

In known equipment, " high voltage " that voltage exists indication mechanism to be arranged on equipment distinguished, that is, and and near the connection bus that is used to connect each phase place of line of electric force (busbar).

Display device is fixed on " low-voltage " district of equipment through separated one group of two screw rod on the display device either side, on front surface.

One group of cable is connected display device to voltage detecting system with connector.

Display device and voltage detecting system can be replaced in the attended operation process after fault.

Yet fixedly the method for display device on the front surface of casing is not easy to manually implement, and causes that display device is stretched out and the therefore correctly danger of mount display because has caused the position of fixator bolt.Especially therefore need the operator to note, so that guarantee correct mount display.

In addition, voltage detecting system is positioned at and is not easy to approaching position in the power distribution equipment.

Simultaneously, in order to change voltage detecting system, it uses the capacitor voltage voltage divider, and it must break off controller switching equipment, and this is an operation that is difficult to relatively realize.

The utility model provides a kind of voltage to have indication mechanism, and it makes and overcomes above-mentioned defective and become possibility.

The utility model content

The utility model mainly provides a kind of voltage that is used for controller switching equipment to have indication mechanism, and this controller switching equipment dispensing is through comprising the electric power of the middle and high of at least one phase place or very high power line transmission, and this indicator system comprises:

Voltage detecting system; Said voltage detecting system comprises the coupling arrangement of said at least one phase place that is used to be connected to said line of electric force, and whether said voltage detecting system can detect said voltage in said at least one phase place of said line of electric force greater than predetermined critical value;

Display device, said display device is connected to voltage detecting system, and when said voltage detecting system has detected said voltage in the said phase place in said line of electric force greater than said critical value, and said display device can display message;

Device, said device is used for said voltage detecting system and said display device are installed in said controller switching equipment;

Said indicator system is characterized in that:

Said display device is directly connected to said voltage detecting system; And

Said erecting device is made into and makes that said voltage detecting system and said display device are suitable for being installed in the public part of said controller switching equipment.

The completion of the system that is used for the instructed voltage existence of the utility model makes simplification connect display device becomes possibility to voltage check device.

In addition, voltage exists the approaching of indicator system to be simplified, and this is because it is arranged in the low-voltage area of equipment.

Preferably, voltage detecting system comprises the device of said at least one phase place that is used for the said line of electric force of short circuit.

Preferably, the said device that is used for said at least one phase place of the said line of electric force of short circuit comprises metal combs, and said metal combs is suitable for being inserted in the coupled connector, and said coupled connector is used to connect said voltage detecting system to said at least one phase place.

Preferably, voltage detecting system comprises a plurality of capacitors, and the quantity of said capacitor can be modified to confirm said critical value.

Preferably, voltage detecting system is arranged in first shell, and display device is arranged in second shell, and said second shell is suitable for directly being fixed to first shell.

Preferably, display device is connected to voltage detecting system when second shell is fixed to first shell.

Preferably, first shell comprises along longitudinal axis and extending and it is suitable for being received into the previous section in second shell.

Preferably; Display device comprises that light source and this light source of at least one and said at least one phase association are suitable for lighting when voltage in the said phase place of line of electric force is higher than said critical value when voltage detecting system detects; Wherein, Second shell is processed by opaque material, comprises the opening that is associated with light source, and opening makes and passed from it by at least a portion of the light of light source generation.

Preferably, first shell comprises two and half hinged each other housings and is fabricated to independent parts through moulding of plastics materials.

Preferably, be used to connect voltage check device and comprise coupled connector to the coupling arrangement of said at least one phase place of line of electric force, it is contained in first shell, and is blocked in the appropriate location by two and half housings.

The utility model also provides the layout of above-mentioned indicator system in controller switching equipment; This controller switching equipment is used to provide and deliver by comprising the middle and high of at least one phase place or the unusual electric power of high-voltage power line transmission; This equipment comprises the higher-pressure region of wherein arranging said at least one phase place, and low-pressure area;

Said device is characterized in that voltage detecting system and display device are arranged in low-pressure area and are installed on the lateral wall of low-pressure area.

Preferably, voltage detecting system and display device are arranged in the either side of the said lateral wall of low-pressure area.

Preferably, lateral wall longitudinally is clipped between the flange (collar) of rearward end and first shell of second shell, and the leading section of first shell extends forward from this flange.

Preferably, the leading section of first shell passes in the opening that the opening of lateral wall and the leading section elasticity through first shell is interlocked in lateral wall and remains on the appropriate location.

Description of drawings

Appear during detailed description that further feature of the utility model and advantage provide below reading, in order to understand it, with reference to accompanying drawing, wherein:

Fig. 1 is the side view of power distribution equipment that the indicator system of the utility model wherein is installed;

Fig. 2 is the wiring diagram of indicator system that is connected to the utility model of line of electric force;

Fig. 3 is the indicator system skeleton view of the utility model;

Fig. 4 be on the antetheca of power distribution cabinet (electricity cabinet), the indicator system of the utility model is at the side view of rigging position;

Fig. 5 is the skeleton view that holds first shell of voltage detecting system;

Fig. 6 is the skeleton view that holds second shell of display device;

Fig. 7 is the figure that is similar to Fig. 5, and wherein first shell is opened, and demonstrates voltage detecting system.

Embodiment

For the utility model is described, longitudinally, vertically be endowed Reference numeral L, V and T with unrestriced mode with horizontal direction, as shown in Figure 3.

In the following explanation that provides, identical, similarly or similar element represent with same Reference numeral.

Fig. 1 shows and is used for, the high or unusual controller switching equipment of high-voltage power line.

Equipment 70 comprises a plurality of compartments 72 (bays), and a compartment 72 only is shown in the drawings, but they each has function separately in equipment 70.

Compartment 72 is hollow rectangular shape, in its internal volume, has bus 74 (busbar), and every bus is associated with a phase place of line of electric force.

Usually, compartment 72 also holds the separating switch 76 that is used for off device 70.

Separating switch 76 and bus 74 are arranged in the primary importance 78 of compartment, because the voltage in the bus 74, the primary importance of compartment is said high voltage.

Compartment 72 also comprises the second portion 80 of " low-voltage ", and this second portion 80 holds the parts that receive relative low-voltage and is designed to be operated through the operator.

Low-voltage part 80 in this example is arranged in the top left region of high voltage part 78 shown in Figure 1.

Fig. 2 onwards shows voltage and has indication mechanism 10, is known as " indicator system " at the remainder of instructions, and it is installed in the equipment shown in Figure 1 70.

Indicator system 10 comprises voltage detecting system 14, and itself and capacitor 11 are coupled this capacitor 11 and near as far as possible being connected of the voltage that will detect.Voltage detecting system 14 is connected to each bus 74 of line of electric force through cable 12 and the connector 13 that is used for coupling cable 12.Voltage detecting system 14 is formed by detecting when the electronic installation of the voltage in each bus during greater than predetermined critical, and this predetermined critical is the function of the voltage through power line transmission.

Indicator system 10 also comprises the display device 18 that is connected to voltage detecting system 14, and when voltage detecting system 14 detected voltage at least one bus 74 greater than said critical value, display device 18 can show at least one information.

Particularly like what can see among Fig. 3, display device 18 comprises indicator lamp 20, and 3 indicator lamps are arranged in this example, and each indicator lamp 20 is connected with the line of electric force respective phase, therefore links to each other with the respective bus bars 74 of compartment 72.

Therefore, when voltage detecting system 14 has detected the said critical value of voltage ratio in the bus 74 when big, the indicator lamp 20 related with said bus lighted.

First connector 22 of voltage detecting system 14 and second connector 24 of display device 18 cooperate to be electrically connected display device 18 and voltage detecting system 14 each other.

In the utility model, display device 18 directly is connected to each other through first connector 22 and second connector 24 with voltage detecting system 14.Therefore, there is not coupling cable to connect display device 18 to voltage detecting system 14.

In addition, make and arrange that in the single part of equipment 70 display device 18 and voltage detecting system 14 become possibility that the single part of this equipment is relatively easy approaching low-voltage part 80.

Voltage detecting system 14 is connected to bus 74, and it is brought to noble potential (potential) through at least one capacitor 11.

In order to make its operator's safety on indicator system 10, working; In order to change voltage detecting system 14 or display device 18, the connector 13 that is used for coupling cable 12 comprises the device that is used for short-circuit device and therefore is used to eliminate any voltage on voltage detecting system 14 especially.

In this example, said short-circuiting means is made up of the metal combs (not shown) that is suitable for being inserted into the connector 13 that is used for coupling cable 12.

Indicator system 10 is designed to be installed in and is used to provide and deliver the power equipment 70 of 3 kilovolts (kv) to the voltage of 36kv scope.

Provided and delivered in order to be suitable for voltage; And for the critical value of the voltage that determines to be used for each bus; Under this critical value; Voltage detecting system 14 detects voltage and is present in the bus 74, and voltage detecting system 14 comprises a group capacitor 62, and the quantity of capacitor is by the function decision as the critical value of the voltage that will detect.

In this example, voltage detecting system 14 forms so that capacitor 62 can manually be added perhaps by the operator to be removed, that is, voltage detecting system 14 comprises the connector 64 that is used to connect each capacitor 62.

The quantity of capacitor 62 and electric capacity can limit before voltage detecting system 14 is installed in the equipment 70 then immediately.

Voltage detecting system 14 is arranged in the inside of longilineal longitudinally first shell 16 usually.

The rearward end 16a of first shell 16 comprises opening; Its connector 13 that is used in particular for being used in coupling cable 12 can pass; And the leading section 16b of first shell 16 opens, and makes second connector 24 to pass from it, to be connected to first connector 22.

Display device 18 is arranged in the inside of second shell 26 that is roughly rectangle.

Can see that like Fig. 3 the front 28 of second shell 26 comprises opening 30, each opening is associated with the indicator lamp 20 of corresponding display device 18, and said front also comprises socket 32, is used to insert measure and the instrument of each phase place of monitoring line of electric force.

Second shell 26 is processed by lighttight material, that is, processed by the impenetrable material of light that indicator lamp 20 produces.Therefore, the light of each indicator lamp 20 generation is only visible through the opening related with it 30.

Make that the automated watch-keeping facility (not shown) that is associated with indicator system 10 is installed becomes possibility, monitor when this automated watch-keeping facility can be worked as each indicator lamp 20 opening and closing.

Second shell 26 26a of portion is in its back-end opened, and is used in particular for making connection second connector 24 to first connectors 22 to become possibility.

Indicator system 10 forms and makes that second shell 26 directly is fixed on first shell 16, like finding in Fig. 3 and 4 in the process of using indicator system 10.

Second shell 26 is installed on first shell 16 through longitudinally moving to translation towards the rear portion of second shell 26 with respect to first shell 16.

In the said translation moving process of second shell 26, second connector 24 moves simultaneously, with in order to combine with first connector 22 of voltage detecting system 14.

Second shell 26 defines the housing of opening and be used to hold the leading section 16b of first shell 16 at the rear portion.

The cross section of the housing of cross section and second shell 26 of the leading section 16b of first shell 16 on horizontal perpendicular is complementary.

First shell 16 and second shell 26 comprise and are used to guide the device of second shell 26 with respect to first shell, 16 longitudinal translations, especially in order to guarantee the good connection between second connector 24 and first connector 22.

At this, these guiding devices are made up of two pins 34 of feeling relieved longitudinally, and its rear wall 36 from the housing of second shell 26 longitudinally extends back, and is accommodated in the vertical hole 38 that is associated that forms in the front end face 40 of first shell 16.

Second shell 26 through single screw 42 be fixed on first shell 16 on, these single screw 42 screw threads for fastening are in the hole that is associated 44 of the front end face 40 of first shell 16, and its head of screw is pressed on second shell 26 backward.

Be associated with the longitudinal guide of second shell 26, be suitable for single screw 42 fixed method, act as simplification and install and remove second shell 26, especially in order to replace this second shell 26 with another second shell 26 through the operator with respect to first shell 16.

Like Fig. 4 finding, indicator system 10 is designed to be installed on the lateral wall 46 of low-pressure section 80, and this lateral wall is the front of low-pressure section 80.

When indicator system 10 is installed in 46 last times of lateral wall, first shell 16 is usually located at the back of lateral wall 46 and second shell 26 is positioned at the front of lateral wall 46.

The front end 16b of first shell 16 passes the extra opening of lateral wall 46 and gives prominence to forward with respect to lateral wall.This makes the housing that is incorporated into second shell 26 of the front that is arranged in lateral wall 46 to the leading section 16b of first shell 16 become possibility.

Through second shell 26 is installed on first shell 16, lateral wall 46 is clamped between two

housings

16,26 in the vertical.

First shell 16 comprises that the leading section 16b of flange 48, the first shells 16 extends forward from this flange, and said flange is given prominence to respect to the outside surface of the leading section 16b of first shell 16 vertically and laterally.

When first shell 16 is installed in 46 last times of lateral wall, the front 48a of flange leans against forward on the back 46a of lateral wall 46, and is installed in 16 last times of first shell when second shell 26, and the rear end face 26a of second shell 26 leans against on the front 46b of lateral wall 46 backward.

When second shell 26 is fixed to 16 last times of first shell, be clamped between first shell 16 and second shell 26 through tightening screw 42 lateral walls 46.

As stated, display device 18 is designed to and can be removed, with in order to be changed by other display device 18, particularly when it damages.

Through backing out screw 42, through moving second shell 26 forward second shell 26 to be separated with first shell 16 then longitudinal translation, display device 18 is removed.

In the said translation moving process of second shell 26, second connector 24 is extracted out from first connector 22, so that break off display device 18 from voltage detecting system 14.

When display device 18 was replaced, the voltage detecting system 14 and first shell 16 still were installed on the lateral wall 46.

Through the leading section 16b of first shell 16 is interlocked in the opening of lateral wall 46 by means of flexibly deformable tongue 50 (tongue) elasticity of the leading section 16b that is arranged on first shell 16, second shell remains on the appropriate location on the lateral wall 46.

The main orientation of each tongue 50 be longitudinally and its leading section be connected to the leading section 16b of first shell 16.

Each tongue 50 outwards is orientated, and its rear longitudinal end is outwards outstanding with respect to the outside surface of the leading section 16b of first shell 16.

When first shell 16 is installed in 46 last times of lateral wall, the leading section 16b of first shell 16 passes the hole of lateral wall 46 and inserts, the cross section complementation of the leading section 16b of the shape in this hole and first shell 16.

In said insertion process, for the leading section 16b that makes first shell 16 can be inserted in the hole of lateral wall 46, tongue 50 moves to the next door through the leading section 16b distortion that flexibly inwardly gets into first shell 16.

When first shell during in the installation site, original shape and its rear longitudinal end that each tongue 50 is flexibly got back to it are therefore relative with the front 46b of lateral wall 46.In order to keep first installation site of shell 16 on lateral wall, tongue 50 is suitable for being resisted against backward on the front 46b of lateral wall 46.

Therefore first shell 16 is installed on the lateral wall 46 through the elasticity interlocking.

Like Fig. 7 finding, first shell 16 is made up of two and

half housings

52,54, and they are assembled into together each other, with in order to limit the volume that wherein holds voltage detecting system.

Half housing

52,54 through formation make

half housing

52,54 each other vertical material band of articulated hinges 56 be connected to each other.

Therefore,

half housing

52,54 relative to each other shown in Figure 7 can and between the off-position of first shell 16 shown in Figure 3, be movably especially wherein near the open position of first shell 16 of voltage detecting system 14.

Half housing 52 of first shell 16.54 remain on the appropriate location in off-position through fastening 58 with a bolt or latch, and this door bolt 58 is subsidiary through half housing 52, and be formed on recess 60 in second half housing 54 through the elasticity interlocking or be clasped.

Preferably,

half housing

52,54, hinge 56, and fasten 58 with a bolt or latch and be made as single part, for example, through moulding of plastics materials.

The method of closing first shell 16 makes and becomes possibility near voltage detecting system 14 easily, is particularly useful for adjusting the quantity of capacitor 62.

Therefore, the latest when first shell 16 being installed in 46 last times of lateral wall and during when the standard model of working voltage detection system 14, the operator that indicator system 10 is installed can adjust 10 voltage ranges that will use of indicator system.

Simultaneously, like Fig. 5 finding, the connector 13 that is used for voltage detecting system 14 is coupled to line cable 12 is combined in voltage detecting system 14 through roughly moving vertically.

When first shell 16 is closed, said connector 13 is vertically between voltage detecting system 14 and half housing 52.This has and stops and the effect of lock connector 13 on voltage detecting system 14.

Claims

1. there is indication mechanism (10) in a voltage, and it is used for the controller switching equipment (70) of the electric power of the middle and high or very high power line transmission of dispensing through comprising at least one phase place (74), and said voltage exists indication mechanism (10) to comprise:

Voltage detecting system (14); Said voltage detecting system comprises the coupling arrangement of said at least one phase place (74) that is used to be connected to said line of electric force, and whether said voltage detecting system can detect said voltage in said at least one phase place (74) of said line of electric force greater than predetermined critical value;

Display device (18); Said display device is connected to said voltage detecting system (14); And when said voltage detecting system (14) had detected said voltage in the said phase place in said line of electric force greater than said critical value, said display device can display message;

Be used for said voltage detecting system (14) and said display device (18) are installed in the device (16,26) of said controller switching equipment (70);

It is characterized in that:

Said display device (18) is directly connected to said voltage detecting system (14);

Said erecting device is formed and makes said voltage detecting system (14) and said display device (18) be suitable for being installed in the public part (80) of said controller switching equipment (70); And

Said voltage detecting system (14) is arranged in first shell (16), and said display device (18) is arranged in second shell (26), and said second shell (26) is suitable for directly being fixed on said first shell (16).

2. there is indication mechanism (10) in voltage according to claim 1, it is characterized in that: said voltage detecting system (14) comprises the device (13) of said at least one phase place (74) that is used for the said line of electric force of short circuit.

3. there is indication mechanism (10) in voltage according to claim 1; It is characterized in that: the said device that is used for said at least one phase place (74) of the said line of electric force of short circuit comprises metal combs, and said metal combs is suitable for being inserted in and is used for connecting the coupled connector (13) of said voltage detecting system (14) to said at least one phase place (74).

4. there is indication mechanism (10) in voltage according to claim 1, it is characterized in that: said voltage detecting system (14) comprises a plurality of capacitors (62), and the quantity of said capacitor can be modified to confirm said critical value.

5. there is indication mechanism (10) in voltage according to claim 1, it is characterized in that: when said second shell (26) was fixed to said first shell (16), said display device (18) was connected to said voltage detecting system (14).

6. there is indication mechanism (10) in voltage according to claim 1, it is characterized in that: said first shell (16) comprises along the longitudinal axis extension and is suitable for being received into the front portion (16b) in said second shell (26).

7. there is indication mechanism (10) in voltage according to claim 1; It is characterized in that: said display device (18) comprises that at least one light source (20) related with said at least one phase place (74) and this light source are suitable for lighting when voltage in the said phase place (74) of said line of electric force is higher than said critical value when said voltage detecting system (14) detects; Wherein, Said second shell (26) is processed by lighttight material; And comprise that the opening (30) that is associated with said light source (20), said opening make at least a portion light that is produced by said light source (20) pass through it.

8. there is indication mechanism (10) in voltage according to claim 1, it is characterized in that: said first shell (16) comprises hinged each other and is made for two and half housings (52,54) of separate part through moulding of plastics materials.

9. there is indication mechanism (10) in voltage according to claim 1; It is characterized in that: be used to connect said voltage check device (14) and comprise coupled connector (13) to the said coupling arrangement (12,13) of said at least one phase place (74) of said line of electric force; Said coupled connector (13) is contained in said first shell (16), and said coupled connector (13) is blocked in the appropriate location by said two and half housings (52,54).

10. the voltage according to claim 1 exists indication mechanism (10) to be arranged in the facility in the controller switching equipment (70), and this controller switching equipment is used for dispensing by comprising the middle and high of at least one phase place (74) or the unusual electric power of high-voltage power line transmission;

Said controller switching equipment (70) comprises the higher-pressure region (78) of wherein arranging said at least one phase place (74), and low-pressure area (80);

It is characterized in that said voltage detecting system (14) and said display device (18) are arranged in said low-pressure area (80) and are installed on the lateral wall (46) of said low-pressure area (80).

11. facility according to claim 10 is characterized in that: said voltage detecting system (14) and said display device (18) are arranged in the either side of the said lateral wall (46) of said low-pressure area (80).

12. facility according to claim 10; It is characterized in that: said lateral wall (46) longitudinally is clipped between the flange (48) of rearward end and said first shell (16) of said second shell (26), and the leading section of said first shell (16b) extends forward from said flange (48).

13. facility according to claim 10 is characterized in that: the said leading section (16b) of said first shell passes in the said opening that the opening of lateral wall (46) and said leading section (16b) elasticity through said first shell (16) is interlocked in said lateral wall (46) and remains on the appropriate location.