CN212277451U - Pin type power supply quick plug - Google Patents
Pin type power supply quick plug Download PDFInfo
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- CN212277451U CN212277451U CN202021103706.8U CN202021103706U CN212277451U CN 212277451 U CN212277451 U CN 212277451U CN 202021103706 U CN202021103706 U CN 202021103706U CN 212277451 U CN212277451 U CN 212277451U
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- jack
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- contact pin
- quick plug
- insulating
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Abstract
The utility model discloses a needle type power supply quick plug, which relates to the technical field of electrical application and comprises a contact pin and a jack arranged on an intelligent instrument; the contact pin comprises an insulating needle rod and a conductive needle head arranged at the lower end of the insulating needle rod, and the conductive needle head is electrically connected with the DCS cabinet; and the lower end of the jack is provided with a conductive contact pin electrically connected with the wiring end of the intelligent instrument. The utility model can prevent the spark generated at the moment when the contact pin and the jack are cut off or connected, thereby reducing the risk factors to a great extent and ensuring safer inspection and maintenance; meanwhile, the structure is simple, and the inspection, maintenance and operation are convenient and fast.
Description
Technical Field
The utility model relates to an electrical application technical field particularly, relates to a needle type power is inserted soon.
Background
In chemical control applications, especially in the aspect of automatic process control, the application of intelligent instruments is almost indispensable, such as intelligent pressure transmitters, electromagnetic flowmeters, level meters and the like, which all need to be powered on site through cables to ensure normal use, when the power is supplied on site normally, the intelligent instruments can play a special role, namely, a function of transmitting signals, specifically, data obtained by site measurement is transmitted to a central control end of a DCS cabinet in a current or voltage mode, and the central control end of the DCS cabinet receives and converts the data so as to display an operator picture.
At present, cables for connecting a central control end of a DCS cabinet and power supply and signal transmission of a field instrument are all fixed through wiring screws of the field instrument, but when wiring is installed, maintenance is carried out or the instrument is replaced, the power supply circuit is kept in an electrified state, and during the wiring disconnection process, because the field is an inflammable and explosive place, the field generates sparks to cause accidents; meanwhile, each wire disconnecting process is particularly complicated, for example, in the wire disconnecting process, the instrument rear cover needs to be opened firstly, then the wire is loosened by a screwdriver, then the exposed part of each cable wire head is wrapped by an insulating tape, the Glan head is loosened, the power wire is drawn out, and finally, the instrument rear cover and the Glan head are fastened.
The mode of installing the wiring, checking, maintaining and disconnecting the wiring or replacing the wiring of the instrument is not only very complicated, but also has a plurality of dangerous factors, so that the needle type power supply quick plug which has a simple structure, is convenient and quick to check, maintain and operate and can reduce the dangerous factors to a great extent is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, examine maintenance convenient operation swift, can to a great extent reduce the needle type power of risk factor and insert soon to solve above-mentioned problem.
For realizing the purpose of the utility model, the technical proposal adopted is that: a needle type power supply quick plug comprises a contact pin and a jack arranged on an intelligent instrument; the contact pin comprises an insulating needle rod and a conductive needle head arranged at the lower end of the insulating needle rod, and the conductive needle head is electrically connected with the DCS cabinet; and the lower end of the jack is provided with a conductive contact pin electrically connected with the wiring end of the intelligent instrument.
Furthermore, an insulating sheet is further installed at the opening of the jack, and a socket matched with the jack is formed in the insulating sheet.
Further, the socket is in interference fit with the insulating needle rod.
Furthermore, still be equipped with the jack row on the intelligent instrument, and the jack is located the jack row.
Furthermore, the jack row is externally provided with a Glan outer wire, and the jack row is externally covered with a Glan cutting sleeve matched with the Glan outer wire.
Furthermore, the jack is a step hole, and the opening diameter of the jack is larger than the diameter of the lower end of the jack.
Furthermore, a pull ring is further arranged on the insulating needle rod.
Furthermore, the pull ring and the insulating needle rod are of an integrated structure, and the pull ring is an insulating pull ring.
Furthermore, the conductive needle head is made of copper, and the conductive contact pin is made of copper.
Furthermore, the number of the jacks and the pins is at least two.
The utility model has the advantages that,
the jack is arranged on the intelligent instrument, and the intelligent instrument is connected with the DCS cabinet through the connection of the jack and the contact pin, so that the structure is simple, the connection of the intelligent instrument and the DCS cabinet is quicker and more convenient, and the inspection and maintenance operation is convenient and quick; simultaneously, because the electrically conductive contact pin of being connected with the intelligent instrument wiring end electricity is located the jack lower extreme, and installs at insulating needle bar lower extreme with the electrically conductive syringe needle of being connected of DCS rack electricity, isolated with external when making electrically conductive syringe needle and electrically conductive contact pin contact electrically conductive, prevent that contact pin and jack from cutting off or producing the spark in the twinkling of an eye of switch-on and combustible gas contact in the air and arouse the accident to can to a great extent reduce the risk factor, make the maintenance safer.
The insulating sheet is arranged at the opening of the jack, so that after the contact pin is taken out of the jack, the jack is sealed through the insulating sheet, and people are prevented from electric shock; meanwhile, when the contact pin is inserted into the jack and taken out of the jack, the jack is cut off, so that accidents caused by contact between sparks generated at the moment when the contact pin is cut off or connected with the jack and combustible gas in the air are prevented, dangerous factors caused by sparks in explosion-proof places are reduced, and accidents are avoided.
Through installation pull ring on insulating needle bar, make pulling out, inserting of contact pin more convenient to make the cutting off and the switch-on power signal of intelligent instrument and DCS rack more convenient.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural diagram of a pin-type power supply quick plug provided by the present invention;
fig. 2 is a schematic diagram of the pin configuration of fig. 1.
Reference numbers and corresponding part names in the drawings:
1. the device comprises a contact pin, 2, a jack, 3, a DCS cabinet, 4, a conductive contact pin, 5, an insulating sheet, 6, a jack, 7, a jack row, 8, a Glan outer wire, 9, a Glan cutting sleeve, 10, a pull ring, 11 and an intelligent instrument;
1a, an insulating needle rod, 1b and a conductive needle.
Detailed Description
The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.
As shown in fig. 1 and fig. 2, the needle-type power supply quick plug provided by the present invention comprises a contact pin 1 and a jack 2 arranged on an intelligent instrument 11, wherein when a power signal needs to be switched on, the contact pin 1 is inserted in the jack 2; the contact pin 1 comprises an insulating needle rod 1a and a conductive needle head 1b arranged at the lower end of the insulating needle rod 1a, and the insulating needle rod 1a is supported by insulating materials, so that the contact pin is convenient for people to hold when inserting and pulling the contact pin 1, and the electric leakage generated when inserting and pulling the contact pin 1 is prevented; the conductive needle head 1b and the insulating needle rod 1a are of an integral structure, and the conductive needle head 1b is electrically connected with the central control end of the DCS cabinet 3 through a power supply signal cable; electrically conductive contact foot 4 of being connected with intelligent instrument 11 wiring end electricity is installed to 2 lower extremes of jack, and electrically conductive contact foot 4 is the flexure strip, and after contact pin 1 inserted and establishes in jack 2, electrically conductive contact foot 4 compressed tightly the contact through the elasticity of self and electrically conductive syringe needle 1b, makes electrically conductive syringe needle 1b and electrically conductive contact foot realize the electricity and connect to make DCS rack 3 realize the electricity with intelligent instrument 11 and be connected, accomplish the transmission of signal. In order to make electrically conductive syringe needle 1b better with electrically conductive contact pin 4's electrically conductive effect, can establish electrically conductive contact pin 4 into a plurality ofly to make a plurality of electrically conductive contact pins 4 arrange along the even interval of the pore wall circumference of jack 2, make contact pin 1 insert the jack 2 in the back, electrically conductive syringe needle 1b is better with electrically conductive contact pin 4's connected effect.
When intelligent instrument 11 and 3 circular telegrams of DCS rack, can be directly insert contact pin 1 in jack 2, when contact pin 1 inserts in jack 2, along with the insertion of contact pin 1, the conductive connection is close to 4 distances of electrically conductive contact pin gradually, at this moment, insulating needle bar 1a is closed gradually with 2 pore walls of jack, make jack 2 sealed, when the conductive connection inserts and establishes 2 lower extremes of jack, electrically conductive contact pin 4 is electrically conductive with electrically conductive syringe needle 1b contact, not only make intelligent instrument 11 and 3 realization electricity of DCS rack be connected, and make electrically conductive syringe needle 1b and electrically conductive contact pin 4 can not cause the influence at the spark that the contact produced in the twinkling of an eye.
When intelligent instrument 11 and 3 deenergizations of DCS rack, the staff can directly stimulate insulating needle bar 1a, make contact pin 1 withdraw from in jack 2 gradually, and contact pin 1 when withdrawing from, electrically conductive syringe needle 1b keeps away from electrically conductive contact pin 4 gradually, and electrically conductive syringe needle 1b when keeping away from electrically conductive contact pin 4, because insulating needle bar 1a and the cooperation of 2 openings of jack, make jack 2 be the closure form, make electrically conductive syringe needle 1b and electrically conductive contact pin 4 can not lead to the fact the influence at the spark that the disconnection produced in the twinkling of an eye.
Insulating piece 5 is still installed to the opening part of jack 2, insulating piece 5 is soft rubber material, insulating piece 5 seals jack 2, and set up on insulating piece 5 with jack 2 complex socket 6, when contact pin 1 need insert in jack 2 or contact pin 1 need follow jack 2 in withdraw from, socket 6 surrounds the inserted bar outer wall all the time, make jack 2 remain an enclosure space all the time, make electrically conductive syringe needle 1b and electrically conductive feeler produce the spark all the time in jack 2 in the twinkling of an eye disconnection or switch-on, thereby reduced the risk factor that causes because of the spark in the explosion-proof place, the accident has been avoided taking place.
Socket 6 and insulating needle bar 1a interference fit make insulating needle bar 1a when passing socket 6, and 6 edges of socket closely surround insulating needle bar 1a, make the leakproofness between socket 6 and the insulating needle bar 1a better to make the leakproofness of jack 2 better, make the fire prevention effect better, make the utility model discloses security when being used for explosion-proof place improves greatly.
The intelligent instrument 11 is also provided with a jack row 7, the jack row 7 is positioned in the rear cover of the intelligent instrument 11, the jack row 7 and the intelligent instrument 11 are of an integral structure, and the jacks 2 are arranged on the jack row 7; the outer grid wire 8 is further installed outside the jack row 7, the outer grid wire 8 is of a sleeve structure with a thread on the outer wall, and the outer grid wire 8 is fixedly sleeved on the jack row 7; jack row 7 still covers outward and is equipped with glan cutting ferrule 9, and glan cutting ferrule 9 is for the cap structure that has the through-hole, and glan cutting ferrule 9 and glan endotheca screw-thread fit make glan cutting ferrule 9 lid establish on glan outer silk 8, can effectively surround the protection to the junction of contact pin 1 and jack 2, make electrically conductive syringe needle 1b and electrically conductive contact foot 4 be connected more firmly.
Jack 2 is the step hole, and jack 2's opening diameter is greater than jack 2 lower extreme diameter, and electrically conductive syringe needle 1b diameter and the cooperation of jack 2 lower extreme diameter, and insulating needle bar 1a diameter cooperates with jack 2's opening diameter, makes contact pin 1 when inserting jack 2, and electrically conductive syringe needle 1b can be smooth insert jack 2 in, finally makes contact pin 1 quick insert jack 2.
The insulating needle rod 1a is also provided with a pull ring 10, the pull ring 10 and the insulating needle rod 1a are of an integral structure, and the pull ring 10 is the insulating pull ring 10, so that when the conductive needle head 1b and the conductive contact pin 4 are cut off or connected, a worker can quickly insert and pull the contact pin 1 by pulling the pull ring 10, and the insertion and the pulling of the contact pin 1 are more convenient; meanwhile, the pull ring 10 and the insulating needle rod 1a are made of insulating materials, so that electric shock cannot be generated when the contact pin 1 is inserted and pulled by a worker, and the worker is safer in maintenance and repair.
The conductive needle head 1b is made of copper, so that the conductive property of the conductive needle head 1b is better; the conductive contact pin 4 is made of copper, so that the conductive performance of the conductive contact pin 4 is better.
Jack 2 and contact pin 1 all are two at least, and the quantity of jack 2 is unanimous with 1 quantity of contact pin, and when jack 2 was a plurality of, the opening part at a plurality of jacks 2 was established to common lid of insulating piece 5, and 6 quantity of jack and 6 positions on the insulating piece 5 all match with the quantity and the position of jack 2.
When the intelligent instrument 11 needs to be subjected to on-site power-off detection and maintenance, the gland cutting ferrule 9 is directly screwed off, then the pull ring 10 is pulled, so that the contact pin 1 gradually withdraws from the jack 2, and when the conductive needle head 1b on the contact pin 1 is disconnected with the conductive contact pin 4 in the jack 2, the power-off between the DCS cabinet 3 and the intelligent instrument 11 is completed, so that the detection and maintenance are convenient and safe; when the intelligent instrument 11 needs to be powered on, the contact pin 1 is inserted into the jack 2 through the pull ring 10, the conductive needle 1b is communicated with the conductive contact pin 4, so that the intelligent instrument 11 is powered on with the DCS cabinet 3, the power supply of the intelligent instrument 11 is completed, and finally, the Glan clamp sleeve 9 is screwed on the Glan outer wire 8.
Because the contact pin 1 is inserting, the in-process is pulled out, insulating needle bar 1a and jack 2 inner wall seal fit, and the jack 6 on the insulating piece 5 seals and surrounds insulating needle bar 1a to form enclosure space in making jack 2, make jack 2 inside with external wall, make contact pin 1 be located jack 2 all the time at the spark that the plug produced in the twinkling of an eye, thereby reduced the danger factor that causes because of the spark in the explosion-proof place, avoided the accident to take place.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A needle type power supply quick plug is characterized by comprising a contact pin (1) and a jack (2) arranged on an intelligent instrument (11); the contact pin (1) comprises an insulating needle rod (1a) and a conductive needle head (1b) arranged at the lower end of the insulating needle rod (1a), and the conductive needle head (1b) is electrically connected with the DCS cabinet (3); and the lower end of the jack (2) is provided with a conductive contact pin (4) which is electrically connected with a wiring terminal of the intelligent instrument (11).
2. The needle type power supply quick plug according to claim 1, wherein an insulating sheet (5) is further installed at the opening of the jack (2), and a socket (6) matched with the jack (2) is formed on the insulating sheet (5).
3. A pin power quick plug according to claim 2, wherein the socket (6) is an interference fit with the insulated needle bar (1 a).
4. Needle type power supply quick plug according to claim 1, characterized in that the smart meter (11) is further provided with a jack row (7), and the jacks (2) are located on the jack row (7).
5. The needle-type power supply quick plug according to claim 4, wherein the socket row (7) is further provided with a Glan outer wire (8), and the socket row (7) is further covered with a Glan cutting sleeve (9) matched with the Glan outer wire (8).
6. Needle type power quick plug according to claim 1, characterized in that the plug hole (2) is a stepped hole, and the opening diameter of the plug hole (2) is larger than the diameter of the lower end of the plug hole (2).
7. Needle type power quick plug according to claim 1, characterized in that the insulating needle bar (1a) is further provided with a pull ring (10).
8. Needle power quick plug according to claim 7, characterized in that the pull ring (10) is an integral structure with the insulated shank (1a) and the pull ring (10) is an insulated pull ring.
9. Needle power quick plug according to claim 1, characterized in that the conductive needle (1b) is a copper conductive needle and the conductive contact pin (4) is a copper conductive contact pin.
10. Needle type power quick plug according to claim 1, characterized in that the number of the sockets (2) and the pins (1) is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021103706.8U CN212277451U (en) | 2020-06-16 | 2020-06-16 | Pin type power supply quick plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021103706.8U CN212277451U (en) | 2020-06-16 | 2020-06-16 | Pin type power supply quick plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212277451U true CN212277451U (en) | 2021-01-01 |
Family
ID=73882585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021103706.8U Active CN212277451U (en) | 2020-06-16 | 2020-06-16 | Pin type power supply quick plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212277451U (en) |
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2020
- 2020-06-16 CN CN202021103706.8U patent/CN212277451U/en active Active
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