A control circuit indicator light in a substation

Abstract

The present invention discloses a control circuit indicator light in a substation, comprising a sleeve-shaped lamp holder, a conductive component arranged in the sleeve of the lamp holder, a lamp seated at the mouth of the lamp holder sleeve and having its electrical contacts downwardly abutting against the conductive component, a wiring base fixed at the bottom end of the lamp holder and connected to the conductive component, a wiring terminal and an electric lead, wherein the wiring base is a slot body with an isolated inner cavity, the slot wall of the slot body is provided with a wire entry hole, the wire entry hole is connected with the isolated inner cavity, the electric lead is connected to the control circuit in the substation, the electric lead passes through the wire entry hole and is fixed to the slot body above the isolated inner cavity by the wiring terminal, the wiring terminal passes through the slot body above the isolated inner cavity and is connected with the conductive component, the bottom of the wiring base is provided with a tightening hole at the longitudinal mapping position of the wiring terminal, the tightening hole is connected with the isolated inner cavity. The present invention only needs to loosen the wiring terminal through the tightening hole to disconnect the conductive circuit, and the lamp can be safely replaced without disassembling the control circuit in the substation to which the electric lead is connected.

Description

Technical Field

[0001] The invention relates to the field of indicator lights in transformer substations, and in particular to a control loop indicator light in transformer substations. Background Art

[0002] The indicator lights in existing substations are all directly fixed to the circuit with bolts. When the bulb fails, the circuit needs to be unfastened to replace it, which may cause the circuit to short-circuit, ground or electric shock. This device uses a plug-in lamp holder, which does not need to unfasten the circuit bolts when replacing, avoiding the risk of circuit short-circuit or electric shock. Summary of the invention

[0003] The main purpose of the present invention is to provide a control loop indicator light in a substation, aiming to overcome the above problems.

[0004] To achieve the above-mentioned purpose, the present invention proposes a control circuit indicator light in a substation, comprising a sleeve-shaped lamp holder, a conductive component arranged in the sleeve of the lamp holder, a lamp seated on the sleeve mouth of the lamp holder and with its electrical contacts pressing downward against the conductive component, a wiring base fixed to the bottom end of the lamp holder and connected to the conductive component, a wiring terminal and an electrical lead, wherein the wiring base is a slot body with an isolated inner cavity, the slot wall of the slot body is provided with a wire entry hole, the wire entry hole is communicated with the isolated inner cavity, the electrical lead is connected to the control circuit in the substation, the electrical lead passes through the wire entry hole and is fixed to the slot body above the isolated inner cavity by the wiring terminal, the wiring terminal passes through the slot body above the isolated inner cavity and is connected to the conductive component, and a tightening hole is provided at the bottom of the wiring base at the longitudinal mapping position of the wiring terminal, and the tightening hole is communicated with the isolated inner cavity.

[0005] Preferably, the conductive component includes a transversely arranged Y-shaped contact spring, a conductive rod and a conductive bottom plate, one end of the conductive rod is fixedly connected to the Y tail of the Y-shaped contact spring, and the Y head of the Y-shaped contact spring extends toward the central axis of the lamp holder along the radial direction of the lamp holder; the other end of the conductive rod is fixedly connected to the conductive bottom plate, and the conductive bottom plate is fixed above the wiring base.

[0006] Preferably, the number of the conductive components is at least two.

[0007] Preferably, the conductive component also includes a limiting upper plate, a limiting lower plate and a limiting spring. The limiting upper plate is T-shaped, and the T-shaped horizontal plate of the limiting upper plate is arranged below the Y-shaped contact spring. The limiting lower plate is in an inverted T shape and its inverted T vertical rod is a vertical tube with an opening facing upward. The T-shaped vertical rod of the limiting upper plate is inserted into the vertical tube of the limiting lower plate, and the inverted T-shaped horizontal plate of the limiting lower plate is fixed to the wiring base. The limiting spring is arranged between the limiting upper plate and the limiting lower plate.

[0008] Preferably, the spring coil of the limit spring embraces the T-shaped vertical rod of the limit upper plate and the vertical tube of the limit lower plate.

[0009] Preferably, the outer circumference of the lamp is provided with a laterally retractable limit card, and the sleeve of the lamp holder is further provided with a slot for inserting the limit card, and the lamp is limited in the lamp holder by inserting the limit card into the slot.

[0010] Preferably, the lamp holder is a T-shaped sleeve, the lamp is seated on the T-head sleeve of the T-shaped sleeve, two slots are arranged on the inner circumference of the T-head sleeve, and two limit cards are respectively arranged on the outer circumference of the lamp corresponding to the two slots, and the two limit cards are respectively engaged with the two slots.

[0011] Preferably, the lamp holder is provided with two indicating positions on the outer circumferential surface corresponding to the two slots respectively.

[0012] Preferably, the two clamping grooves are symmetrically arranged along the radial direction of the lamp holder.

[0013] Preferably, the lamp is a DC lamp or an AC lamp.

[0014] When replacing a lamp, the present invention only requires loosening the connection terminal through the tightening hole to disconnect the conductive loop, and the lamp can be safely replaced without disassembling the control loop in the substation to which the electric lead is connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 is a cross-sectional view of an embodiment of the present invention;

[0017] Figure 2 An exploded view of an embodiment of the present invention;

[0018] Figure 3 It is a structural schematic diagram of an embodiment of the present invention;

[0019] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0022] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0023] A control loop indicator light in a substation proposed by the present invention comprises a sleeve-shaped lamp holder 1, a conductive component 2 arranged in the sleeve of the lamp holder 1, a lamp 3 seated on the sleeve mouth of the lamp holder 1 and with its electrical contact 32 pressing downward against the conductive component 2, a wiring base 4 fixed to the bottom end of the lamp holder 1 and connected to the conductive component 2, a wiring terminal 5 and an electrical lead, wherein the wiring base 4 is a slot body with an isolated inner cavity, the slot wall of the slot body is provided with a wire entry hole 42, the wire entry hole is connected with the isolated inner cavity, the electrical lead passes through the wire entry hole and is fixed to the slot body above the isolated inner cavity by the wiring terminal 5, the wiring terminal 5 passes through the slot body above the isolated inner cavity and is connected with the conductive component 2, the bottom of the wiring base 4 is provided with a tightening hole 41 at the longitudinal mapping position of the wiring terminal 5, and the tightening hole 41 is connected with the isolated inner cavity.

[0024] In an embodiment, the present invention connects an electrical lead, a terminal block 5, a conductive component 2, and a lamp 3 into a conductive loop. When replacing the lamp 3, the present invention only needs to loosen the terminal block 5 through the tightening hole 41 to disconnect the conductive loop. The lamp 3 can be safely replaced without disassembling the control loop in the substation to which the electrical lead is connected.

[0025] Preferably, the conductive component 2 includes a transversely arranged Y-shaped contact spring 21, a conductive rod 22 and a conductive bottom plate 23, one end of the conductive rod 22 is fixedly connected to the Y tail of the Y-shaped contact spring 21, and the Y head of the Y-shaped contact spring 21 extends toward the central axis of the lamp holder 1 along the radial direction of the lamp holder 1; the other end of the conductive rod 22 is fixedly connected to the conductive bottom plate 23, and the conductive bottom plate 23 is fixed above the wiring base 4.

[0026] In the embodiment, the present invention increases the electrical contact area of ​​the lamp by using the Y-shaped contact spring 21 in the conductive component 2 .

[0027] Preferably, the number of the conductive components 2 is at least two.

[0028] In the embodiment, the present invention provides that the number of the conductive components 2 is at least two, so that the conductive loop can adapt to the introduction of both direct current and alternating current.

[0029] Preferably, the conductive component 2 also includes a limiting upper plate 24, a limiting lower plate 25 and a limiting spring 26. The limiting upper plate 24 is T-shaped, and the T-shaped horizontal plate of the limiting upper plate 24 is arranged below the Y-shaped contact spring. The limiting lower plate 25 is in an inverted T shape and its inverted T vertical rod is a vertical tube with an opening facing upward. The T-shaped vertical rod of the limiting upper plate 24 is inserted into the vertical tube of the limiting lower plate 25, and the inverted T horizontal plate of the limiting lower plate 25 is fixed to the wiring base 4. The limiting spring 26 is arranged between the limiting upper plate 24 and the limiting lower plate 25.

[0030] Preferably, the spring coil of the limit spring 26 embraces the T-shaped vertical rod of the limit upper plate 24 and the vertical tube of the limit lower plate 25 .

[0031] In the embodiment, the present invention limits the downward abutting stroke of the Y-shaped contact spring 21 by means of the limiting upper plate 24 , the limiting lower plate 25 and the limiting spring 26 .

[0032] Preferably, the outer circumference of the lamp 3 is provided with a laterally retractable limit card 31 , and the sleeve of the lamp holder 1 is further provided with a slot 11 for inserting the limit card 31 , and the lamp 3 is limited in the lamp holder 1 by inserting the limit card 31 into the slot 11 .

[0033] In the embodiment, the present invention limits the lamp 3 in the lamp holder 1 by inserting the limiting card 31 into the card slot 11, so as to avoid damage to the lamp when the lamp is installed in a spiral manner.

[0034] Preferably, the lamp holder 1 is a T-shaped sleeve, the lamp 3 is seated on the T-head sleeve of the T-shaped sleeve, two slots 11 are arranged on the inner circumference of the T-head sleeve, and two limit clips 31 are respectively arranged on the outer circumference of the lamp 3 at positions corresponding to the two slots 11, and the two limit clips 31 are respectively engaged with the two slots 11.

[0035] Preferably, the lamp holder 1 is provided with two indicating positions 12 on the outer circumferential surface corresponding to the two slots 11 .

[0036] In the embodiment, the present invention facilitates the position limiting operation of the lamp 3 and the lamp holder 1 through the indicator position 12 .

[0037] Preferably, the two locking grooves 11 are symmetrically arranged along the radial direction of the lamp holder 1 .

[0038] In the embodiment, the present invention provides two clamping grooves 11 symmetrically arranged along the radial direction of the lamp holder 1 to enhance the stability of the position limitation between the lamp 3 and the lamp holder 1 .

[0039] Preferably, the lamp 3 is a DC lamp or an AC lamp.

[0040] In the embodiment, the present invention is applicable to a DC lamp as well as an AC lamp.

[0041] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A control circuit indicator light in a substation, characterized in that: It comprises a sleeve-shaped lamp holder, a conductive component arranged in the sleeve of the lamp holder, a lamp seated on the sleeve mouth of the lamp holder and with its electrical contacts downwardly abutting against the conductive component, a wiring base fixed to the bottom end of the lamp holder and connected to the conductive component, a wiring terminal and an electric lead, wherein the wiring base is a slot body with an isolated inner cavity, the slot wall of the slot body is provided with a wire entry hole, the wire entry hole is connected with the isolated inner cavity, the electric lead is connected to a control circuit in the substation, the electric lead passes through the wire entry hole and is fixed to the slot body above the isolated inner cavity by the wiring terminal, the wiring terminal passes through the slot body above the isolated inner cavity and is connected with the conductive component, the bottom of the wiring base is provided with a wire tightening hole at the longitudinal mapping position of the wiring terminal, the wire tightening hole is connected with the isolated inner cavity; The conductive assembly includes a Y-shaped contact spring, a conductive rod and a conductive bottom plate arranged in a transverse direction, one end of the conductive rod is fixedly connected to the Y tail of the Y-shaped contact spring, and the Y head of the Y-shaped contact spring extends toward the central axis of the lamp holder along the radial direction of the lamp holder; the other end of the conductive rod is fixedly connected to the conductive bottom plate, and the conductive bottom plate is fixed above the wiring base; The conductive component also includes a limiting upper plate, a limiting lower plate and a limiting spring. The limiting upper plate is T-shaped, and the T-shaped horizontal plate of the limiting upper plate is arranged below the Y-shaped contact spring. The limiting lower plate is in an inverted T shape and its inverted T vertical rod is a vertical tube with an opening facing upward. The T-shaped vertical rod of the limiting upper plate is inserted into the vertical tube of the limiting lower plate, and the inverted T-shaped horizontal plate of the limiting lower plate is fixed to the wiring base. The limiting spring is arranged between the limiting upper plate and the limiting lower plate.

2. The control circuit indicator light in the substation according to claim 1, characterized in that: The number of the conductive components is at least two.

3. The control circuit indicator light in the substation according to claim 1, characterized in that: The spring coil of the limit spring embraces the T-shaped vertical rod of the limit upper plate and the vertical cylinder of the limit lower plate.

4. The control circuit indicator light in a substation according to any one of claims 1 to 3, characterized in that: The outer peripheral surface of the lamp is provided with a limit card that can be contracted laterally, and the sleeve of the lamp holder is also provided with a card slot for inserting the limit card. The lamp is limited in the lamp holder by inserting the limit card into the card slot.

5. The control circuit indicator light in the substation according to claim 4, characterized in that: The lamp holder is a T-shaped sleeve, and the lamp is seated on the T-head sleeve of the T-shaped sleeve. Two slots are arranged on the inner circumference of the T-head sleeve, and two limit cards are respectively arranged on the outer circumference of the lamp corresponding to the two slots, and the two limit cards are respectively engaged with the two slots.

6. The control circuit indicator light in the substation according to claim 5, characterized in that: The lamp holder is provided with two indicating positions on the outer circumferential surface corresponding to the two clamping grooves.

7. The control circuit indicator light in the substation according to claim 4, characterized in that: The two clamping grooves are symmetrically arranged along the radial direction of the lamp holder.

8. The control circuit indicator light in a substation according to any one of claims 1 to 3, characterized in that: The lamp is a DC lamp or an AC lamp.

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