CN209592628U - A kind of contact box - Google Patents
A kind of contact box Download PDFInfo
- Publication number
- CN209592628U CN209592628U CN201920389142.XU CN201920389142U CN209592628U CN 209592628 U CN209592628 U CN 209592628U CN 201920389142 U CN201920389142 U CN 201920389142U CN 209592628 U CN209592628 U CN 209592628U
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- contact
- placing groove
- contact box
- detection module
- box according
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Abstract
The utility model provides a kind of contact box, including grounded metal inserts, support component, solid insulator and detection module, and contact arm cavity is offered on an end face of solid insulation, and the bottom surface of contact arm cavity is provided with placing groove.Grounded metal inserts is used to connect with ground line, improves the safety of contact box.The installation space of placing groove is reserved in contact box, suitable detection module, especially temperature detecting module can be installed additional, improve its adaptability.Meanwhile insulating protection, electrical connection can be carried out by solid insulator, it can also be used at the electric connecting point for needing to monitor the inside switch cabinet of Various types of data, meet detection module and directly contact with the installation position of measured conductor, improve the accuracy of detection.Under the premise of not changing the insulation system of power equipment, contact box has many advantages, such as that structure is simple, at low cost, flexible in application, safe and reliable, good compatibility.
Description
Technical field
The utility model relates to withdraw-type switch cabinet field more particularly to a kind of contact boxs.
Background technique
Contact box is applied in the moveable high-voltage switchgear in 10~35kV electric system.Due to actually using
Cheng Zhong, because the factors such as the foozle of high-tension switch cabinet, transport deformation, bad, the operational stresses induced deformation of mounting process, cause to move
There is deviation in the static contact of open type high-tension switch cabinet and the contact position of moving contact, cause the contact resistance of contact position bigger than normal,
Longtime running will cause that local temperature rise is exceeded, or even contact is caused to burn the accident with high-tension switch cabinet damage.Therefore in contact
Installation sensor is on contact in box, so to the contact position of withdraw-type switch cabinet carry out physical parameter (such as: temperature, voltage,
Electric current etc.) acquisition monitoring.However now with temperature sensor after mounting, have the disadvantage that some temperature sensors
Battery is needed to power, and battery life is usually no more than 3~5 years, it is inconsistent with the service life of switchgear, therefore be permanently embedded and touching
The service life of sensor life-time and switchgear inside head cartridge is inconsistent, it is not easy to replace；Some temperature sensors are mounted on switch
In cabinet, the built-in electrical insulation structure and field distribution of high-tension switch cabinet are changed, insulation fault is be easy to cause, leads to inside switch cabinet
The problems such as electric discharge and short circuit etc..
Utility model content
For this reason, it may be necessary to provide a kind of contact box, it is inconvenient for use to solve existing contact box, and the higher problem of installation cost.
To achieve the above object, a kind of contact box, including grounded metal inserts, support component, solid are inventor provided
Insulator and detection module；Contact arm cavity, the grounded metal inserts setting are offered on one end face of the solid insulation
On the other end of solid insulation, the bottom surface of the contact arm cavity is provided with placing groove, and the support component, which is sheathed on, puts
It sets in slot, the detection module is arranged in placing groove, and the detection module is used to detect the objects such as the temperature in contact arm cavity
Parameter is managed, and mode feeds back to suitable data sink by wireless communication to the information detected.
Further, the support component includes suspension electrode, insulation tube and support tube, and the suspension electrode setting is being put
It sets on the bottom surface of slot, the support tube is set on the side of placing groove, and the insulative pipe sleeve is set to suspension electrode and support tube
Between placing groove side on.
It further, further include inner nut, at the support tube of the inner nut being arranged in placing groove, inner nut is used for
Cooperate fixed static contact with the fixing bolt on static contact.
It further, further include locating snap ring, the locating snap ring is set in support tube, and the inner nut is located at locating snap ring
Between the bottom surface of placing groove.
Further, the detection module includes temperature sensor and radio transmitter, the temperature sensor and wireless
Transmitter is arranged in placing groove.
Further, the radio transmitter is wireless and passive formula radio transmitter.
Further, the temperature sensor is wireless and passive formula temperature sensor.
Further, the side of the contact arm cavity is provided with busbar mouth, and the busbar mouth is located at the bottom of contact arm cavity
Portion.
Further, the material of the solid insulator is thermosetting epoxy resin or thermoplastic polyester resin.
It is different from the prior art, above-mentioned technical proposal opens up a placement in the bottom surface of the contact arm cavity of solid insulator
Slot is supported reinforcing to placing groove using support component, placing groove is avoided to be deformed.Meanwhile it can protect and be placed in
Detection module in placing groove.Grounded metal inserts is used to connect with ground line, improves the safety of contact box.It is pre- in contact box
The installation space of placing groove is stayed, suitable detection module can be installed additional, improves its adaptability.Meanwhile it can by solid insulator
To carry out insulating protection, electrical connection, it can also be used to full at the electric connecting point for needing to monitor the inside switch cabinet of Various types of data
Sufficient detection module is directly contacted with the installation position of measured conductor, improves the accuracy of detection.Do not changing the exhausted of power equipment
Under the premise of edge structure, contact box has many advantages, such as that structure is simple, at low cost, flexible in application, safe and reliable, good compatibility.
Detailed description of the invention
Fig. 1 is the cross-sectional view of contact box described in specific embodiment；
Cross-sectional view when Fig. 2 is contact box described in specific embodiment and moving contact assembly.
Description of symbols:
1, moving contact；2, static contact；3, bolt；4, busbar；
10, grounded metal inserts；
20, support component；21, suspension electrode；22, insulation tube；23, support tube；
30, solid insulator；31, contact arm cavity；311, placing groove；312, busbar mouth；
40, detection module；41, temperature sensor；42, radio transmitter；
50, inner nut；60, locating snap ring；
Specific embodiment
Technology contents, construction feature, the objects and the effects for detailed description technical solution, below in conjunction with specific reality
It applies example and attached drawing is cooperated to be explained in detail.
Please refer to Fig. 1 and Fig. 2, the present embodiment provides a kind of contact box, including grounded metal inserts 10, support component 20,
Solid insulator 30 and detection module 40；Contact arm cavity 31, the ground connection gold are offered on one end face of the solid insulation
Belong to inserts to be arranged on the other end of solid insulation, the bottom surface of the contact arm cavity is provided with placing groove 311, the support
Assembly set is set in placing groove, and the detection module is arranged in placing groove, and the detection module is for detecting contact arm cavity
Interior temperature simultaneously feeds back to terminal to the information detected.The material of the solid insulator is epoxy resin or plastics.
It is to be contacted for the moving contact 1 of high-tension switch cabinet with static contact 2 inside contact box in the present embodiment, realizes circuit
Electrically conducting.Specifically, a placing groove is opened up in the bottom surface of the contact arm cavity of solid insulator, by the dynamic of high-tension switch cabinet
Contact arm is placed in contact arm cavity, and static contact is then mounted on placing groove, by mobile acting arm, so that moving contact and stationary contact
Head is in contact, and achievees the purpose that electrically conducting.Because solid insulator, in use or transport, the placing groove of internal-hole type is easy
Deformation, so being supported reinforcing to placing groove using support component, improves the rigidity of placing groove.Meanwhile according to field distribution
Principle, so that there are potential difference between the grounded metal inserts and support component of end face, which can be used as wireless and passive formula
The working power of sensor, not needing external auxiliary power supply or battery can work, and reached protection and be placed in placing groove
Detection module, while providing the purpose of electric energy for detection module.
And grounded metal inserts is used to connect with ground line, improves the safety of contact box.Therefore it reserves and puts in contact box
The installation space of slot is set, suitable detection module can be installed additional, improves its adaptability.Meanwhile because solid insulator is epoxy
Resin or plastics, therefore have the effect of insulating protection, electrical connection, it can also be used to it needs to monitor in the switchgear of Various types of data
At the electric connecting point in portion, meets detection module and directly contacted with the installation position of measured conductor, improve the accuracy of detection.In
Under the premise of the insulation system for not changing power equipment, contact box have structure it is simple, it is at low cost, flexible in application, safe and reliable,
The advantages that good compatibility.
Detection module includes temperature sensor 41 and radio transmitter 42 in the present embodiment, and temperature sensor is wireless and passive
Formula temperature sensor, temperature sensor and radio transmitter are arranged in placing groove, and radio transmitter is that wireless and passive formula is wireless
Transmitter.Electric energy is provided for wireless and passive formula temperature sensor by above-mentioned working power, so that temperature sensor is to placement
Static contact on slot carries out thermometric, then is sent to the data such as temperature by built-in passive type wireless transmission device and nearby pacifies
The data of dress acquire transducing unit, realize the physical parameter real-time monitoring at high-tension switch cabinet contact position, if different temperature occurs
In the case where often, it can repair at the first time, improve the safety of contact box.And the detection for electric current and voltage,
It is detected by special high-voltage electricity flow table and voltmeter, the data that then will test are sent to data acquisition transducing unit
It is interior, it is ensured that the stabilization of voltage, electric current in contact box.
Support component includes suspension electrode 21, insulation tube 22 and support tube 23 in the present embodiment, and suspension electrode setting is being put
It sets on the bottom surface of slot, support tube is set on the side of placing groove, and insulative pipe sleeve is set to putting between suspension electrode and support tube
It sets on slot side.According to field distribution principle, so that there are potential differences between the grounded metal inserts and suspension electrode of end face, it should
Potential difference can be used as the working power of wireless and passive formula sensor, and not needing external auxiliary power supply or battery can work, because
This avoids the need for periodic maintenance when replacement battery, greatly reduces the cost of maintenance, so that the use of contact box is more just
Benefit.And insulation tube and support tube can be supported placing groove, improve the rigidity of placing groove.
It further include inner nut 50 and locating snap ring 60, the support tube of the inner nut being arranged in placing groove in the present embodiment
Place, inner nut are used to cooperate fixed static contact with the bolt 3 on static contact.Locating snap ring is set in support tube, and the interior spiral shell
Mother is between locating snap ring and the bottom surface of placing groove.For the ease of using contact box, be pre-placed in placing groove inner nut and
Locating snap ring, therefore in fixed static contact, only need to be by the sealed of bolt and inner nut, by the fixed slot with placing groove of static contact
Mouthful, i.e., on the bottom surface of contact arm cavity.And can be detached from by locating snap ring to avoid the loosening of bolt, improve contact installation just
Benefit.
The side of contact arm cavity is provided with busbar mouth 312 in the present embodiment, and the busbar mouth is located at the bottom of contact arm cavity
Portion.One end of busbar 4 can be mounted on static contact by busbar mouth, therefore when acting arm is mobile by moving contact and static contact
When contact, the electrically conducting of high-tension switch cabinet circuit is made by busbar, has embodied the structurally reasonable of contact box, is convenient for people
Installation connection.
It should be noted that being not intended to limit although the various embodiments described above have been described herein
The scope of patent protection of the utility model.Therefore, based on the innovative idea of the utility model, embodiment described herein is carried out
Change and modification or equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly
Or above technical scheme is used in other related technical areas indirectly, it is included in the protection model of the utility model patent
Within enclosing.
Claims (9)
1. a kind of contact box, it is characterised in that: including grounded metal inserts, support component, solid insulator and detection module；
Contact arm cavity is offered on one end face of the solid insulation, solid insulation is arranged in the grounded metal inserts
On other end, the bottom surface of the contact arm cavity is provided with placing groove, and the support component is sheathed in placing groove, the detection
Module is arranged in placing groove, and the detection module is used to detect temperature, voltage or the electric current in contact arm cavity, and will test
To information mode feeds back to data sink by wireless communication.
2. a kind of contact box according to claim 1, it is characterised in that: the support component includes suspension electrode, insulation
Pipe and support tube, the suspension electrode are arranged on the bottom surface of placing groove, and the support tube is set on the side of placing groove, institute
Insulative pipe sleeve is stated to be set on the placing groove side between suspension electrode and support tube.
3. a kind of contact box according to claim 2, it is characterised in that: it further include inner nut, the setting of the inner nut
At support tube in placing groove, inner nut is used to cooperate fixed static contact with the fixing bolt on static contact.
4. a kind of contact box according to claim 3, it is characterised in that: further include locating snap ring, the locating snap ring is set in
In support tube, and the inner nut is between locating snap ring and the bottom surface of placing groove.
5. a kind of contact box according to claim 2, it is characterised in that: the detection module includes temperature sensor and nothing
Line transmitter, the temperature sensor and radio transmitter are arranged in placing groove.
6. a kind of contact box according to claim 5, it is characterised in that: the radio transmitter is that wireless and passive formula is wireless
Transmitter.
7. a kind of contact box according to claim 5, it is characterised in that: the temperature sensor is wireless and passive formula temperature
Sensor.
8. a kind of contact box according to claim 1, it is characterised in that: the side of the contact arm cavity is provided with busbar
Mouthful, and the busbar mouth is located at the bottom of contact arm cavity.
9. a kind of contact box according to claim 1, it is characterised in that: the material of the solid insulator is thermosetting property ring
Oxygen resin or thermoplastic polyester resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920389142.XU CN209592628U (en) | 2019-03-26 | 2019-03-26 | A kind of contact box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920389142.XU CN209592628U (en) | 2019-03-26 | 2019-03-26 | A kind of contact box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209592628U true CN209592628U (en) | 2019-11-05 |
Family
ID=68375032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920389142.XU Active CN209592628U (en) | 2019-03-26 | 2019-03-26 | A kind of contact box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209592628U (en) |
-
2019
- 2019-03-26 CN CN201920389142.XU patent/CN209592628U/en active Active
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