CN213750175U

CN213750175U - Insulating monitor of subway contact net

Info

Publication number: CN213750175U
Application number: CN202023160616.5U
Authority: CN
Inventors: 潘卫波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-20
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a subway contact net insulation monitor, including monitoring shell, the fixed display screen that has installed of front surface of monitoring shell, the front surface of monitoring shell is located the top of display screen and has installed signal indicator, the front surface one side of monitoring shell is connected and is installed from top to bottom and selects key and menu function key, the bottom of monitoring shell is seted up the fixing base of integral type, the bottom card of fixing base is established and is installed the fixed block; supporting fixing base and fixed block have been installed to the bottom at this monitoring casing, the monitoring casing passes through the fixing base to be installed on the fixed block, when the device in-use need be overhauld and maintained, can conveniently carry out the dismouting to the monitoring casing, convenience when improving the dismouting, when the device is in the use, fall into the dust in the naked test socket easily, dustproof effect can be played to the dustproof piece of installing in the test socket, prevent that the dust from getting into in the test socket, be convenient for peg graft and use, the practicality of the device has been improved.

Description

Insulating monitor of subway contact net

Technical Field

The utility model belongs to the technical field of the insulation monitor, concretely relates to subway contact net insulation monitor.

Background

The overhead contact system is a high-voltage transmission line which is erected along a zigzag shape above a steel rail in an electrified railway and is used for a pantograph to draw current. The overhead contact system is a main framework of the railway electrification engineering and is a special power transmission line which is erected along a railway line and supplies power to an electric locomotive. The electric shock protection device consists of a contact suspension part, a supporting device, a positioning device, a support and a foundation, the demand of people for electricity is increased suddenly along with the rapid development of national economy and the improvement of the living standard of people year by year, and meanwhile, electric shock and electric fire accidents caused by power failure, electric leakage and line insulation faults are increased sharply, so that the life and property safety of people is seriously threatened. In order to enhance the safety and reliability of system power supply, various countries develop standards which clearly stipulate that local IT power distribution systems are adopted to supply power in important places, and insulation monitoring devices are equipped to monitor the insulation condition of the IT systems.

The device can be used in the existing subway contact net insulation monitor usually in a subway contact line, the device is used for monitoring the stability of a contact net in real time, when the device is used, the device is usually required to be fixedly installed, a common fixing mode is bolt connection, bolt fixing influences the dismounting efficiency, and when the device is out of order, dismounting and maintenance are not convenient, the practicability of the device is influenced, and therefore the subway contact net insulation monitor is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subway contact net insulation monitor to solve the current subway contact net insulation monitor who provides in the above-mentioned background art, generally in subway contact line, can use the device, be used for the stability of real-time supervision contact net, when the device is using, generally need carry out fixed mounting, fixed mode commonly used is bolted connection, bolt fastening influences dismouting efficiency, it is not convenient for dismouting to overhaul when the device goes wrong simultaneously, influences the problem of the device's practicality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a subway contact net insulation monitor, includes the monitoring casing, the display screen has been installed to the fixed front surface of monitoring casing, the front surface of monitoring casing is located the top of display screen and has installed signal indicator, select key and menu function key from top to bottom have been installed in the connection of front surface one side of monitoring casing, the fixing base of integral type is seted up to the bottom of monitoring casing, the bottom card of fixing base is established and is installed the fixed block, the draw-in groove has been seted up to the bottom of fixing base, one side of fixing base is established soon and is installed the knob, the one end of knob is located the inboard rotation of fixing base and has been installed tight piece of clamp, the fixed block passes through the draw-in groove slip to be installed on the fixing base.

Preferably, a testing socket is formed in the other side of the front surface of the monitoring shell, a dustproof sheet is connected and installed on the inner side surface of the testing socket, a spring is connected and installed on the inner side of the dustproof sheet, and the other end of the spring is clamped and installed on the inner side of the testing socket.

Preferably, the surface of the dustproof sheet is equidistantly provided with four test sockets, and the inner sides of the four test sockets are provided with the dustproof sheet.

Preferably, the dustproof sheet is provided with a through hole, the inner side of the test socket is provided with a copper core, and the copper core penetrates through the through hole.

Preferably, four signal indicator lamps are arranged on the monitoring shell, and the four signal indicator lamps are an operation indicator lamp, a communication indicator lamp, an early warning indicator lamp and an alarm indicator lamp in sequence.

Preferably, the fixing block is provided with an inclined surface, the clamping block is provided with a corresponding inclined surface, and the fixing seat and the fixing block pass through the clamping block.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) when the device is used, the bottom of the monitoring shell is provided with the matched fixing seat and the fixing block, when the device is fixedly installed, the fixing block can be installed in advance, the monitoring shell is installed on the fixing block through the fixing seat, when the device needs to be overhauled and maintained in the using process, the monitoring shell can be conveniently disassembled and assembled, the convenience in disassembling and assembling is improved, and the practicability of the device is improved;

(2) the test socket is arranged on the monitoring shell, when the device is used, the content of the exposed test socket is easy to fall into dust and the like, when the device is plugged through the test socket, poor contact easily occurs in the plugging part, the monitoring use is influenced, the dustproof sheet arranged in the test socket can play a dustproof role, the dust is prevented from entering the test socket, the plugging use is convenient, and the practicability of the device is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting structure of the fixing base and the fixing block of the present invention;

FIG. 3 is a schematic cross-sectional structure diagram of the test socket of the present invention;

in the figure: 1. a knob; 2. monitoring the housing; 3. a dust-proof sheet; 4. a test socket; 5. a signal indicator light; 6. a spring; 7. selecting keys up and down; 8. a menu function key; 9. a fixed seat; 10. a fixed block; 11. a clamping block; 12. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a subway contact net insulation monitor comprises a monitoring shell 2, a display screen is fixedly arranged on the front surface of the monitoring shell 2, a signal indicator lamp 5 is arranged on the top of the display screen on the front surface of the monitoring shell 2, an up-down selection key 7 and a menu function key 8 are connected and arranged on one side of the front surface of the monitoring shell 2, an integrated fixing seat 9 is arranged at the bottom of the monitoring shell 2, a fixing block 10 is clamped and arranged at the bottom of the fixing seat 9, a clamping groove 12 is arranged at the bottom of the fixing seat 9, a knob 1 is rotatably arranged on one side of the fixing seat 9, one end of the knob 1 is positioned on the inner side of the fixing seat 9 and is rotatably provided with a clamping block 11, the fixing block 10 is slidably arranged on the fixing seat 9 through the clamping groove 12, the monitoring shell 2 is slidably clamped and arranged with the fixing block 10 through the fixing seat 9, when the device needs to be overhauled and maintained in the use process, the monitoring shell 2 can be conveniently disassembled and assembled, the convenience during the dismouting is improved.

For better protection, in this embodiment, preferably, the other side of the front surface of the monitoring housing 2 is provided with a testing socket 4, the inner side surface of the testing socket 4 is connected with a dustproof sheet 3, the inner side of the dustproof sheet 3 is connected with a spring 6, the other end of the spring 6 is installed inside the testing socket 4 in a clamping manner, dust is prevented from entering the testing socket 4 by the dustproof sheet 3, for better dust prevention, in this embodiment, preferably, the surface of the dustproof sheet 3 is provided with four testing sockets 4 at equal intervals, and the inner sides of the four testing sockets 4 are provided with the dustproof sheets 3, so as to improve the dustproof effect, for better installation of the dustproof sheet 3, in this embodiment, preferably, the dustproof sheet 3 is provided with a through hole, the inner side of the testing socket 4 is provided with a copper core, the copper core penetrates through the through hole, so as to facilitate movement of the dustproof sheet 3, for better display, preferably, four signal indicator lamps 5 have been installed altogether on the monitoring casing 2, and four signal indicator lamps 5 are operation pilot lamp, communication pilot lamp, early warning pilot lamp and alarm indicator lamp in proper order, are convenient for observe the device's operating condition, and for better fixing, in this embodiment, preferably, seted up the inclined plane on the fixed block 10, and seted up corresponding inclined plane on pressing from both sides tight piece 11, fixing base 9 and fixed block 10 are through pressing from both sides tight piece 11.

The utility model discloses a theory of operation and use flow: when the device is used, the bottom of the monitoring shell 2 is provided with a fixed seat 9 and a fixed block 10 which are matched, when the device is fixedly installed, the fixed block 10 can be installed in advance, the monitoring shell 2 is installed on the fixed block 10 through the fixed seat 9, the fixed seat 9 is in sliding connection with the fixed block 10 through a clamping groove 12, the knob 1 can be rotated after installation, one end of the knob 1 drives a clamping block 11 to tightly abut against the fixed block 10, when the device needs to be overhauled and maintained in the use process, the monitoring shell 2 can be conveniently disassembled and assembled and maintained, the convenience in disassembly and assembly is improved, the surface of the monitoring shell 2 is provided with a testing socket 4, when the device is used, the exposed content of the testing socket 4 is easy to fall into dust and the like, when the device is plugged through the testing socket 4, the content of the testing socket 4 is easy to have poor contact, the monitoring use is influenced, the dustproof sheet 3 is installed on the inner side of the testing socket 4, the one end of dustproof sheet 3 is connected with spring 6, and the other end card of spring 6 is established and is fixed in test socket 4, and dustproof sheet 3 installs on test socket 4's surface, can prevent through the dustproof sheet 3 of installation that the dust from getting into test socket 4 in, and the use of pegging graft of being convenient for has improved the device's practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a subway contact net insulation monitor, includes monitoring casing (2), the fixed display screen that has installed of front surface of monitoring casing (2), signal indication lamp (5) have been installed at the top that the front surface of monitoring casing (2) is located the display screen, select key (7) and menu function key (8) from top to bottom, its characterized in that about installing are connected to the front surface one side of monitoring casing (2): fixing base (9) of integral type are seted up to the bottom of monitoring casing (2), the bottom card of fixing base (9) is established and is installed fixed block (10), draw-in groove (12) have been seted up to the bottom of fixing base (9), one side of fixing base (9) is established soon and is installed knob (1), the inboard that the one end of knob (1) is located fixing base (9) is rotated and has been installed and press from both sides tight piece (11), fixed block (10) are installed on fixing base (9) through draw-in groove (12) slip.

2. The insulation monitor of the subway overhead line system according to claim 1, wherein: test socket (4) have been seted up to the front surface opposite side of monitoring casing (2), dustproof piece (3) have been installed in the inboard surface connection of test socket (4), spring (6) have been installed in the inboard connection of dustproof piece (3), the other end card of spring (6) is established and is installed the inboard at test socket (4).

3. The insulation monitor of the subway overhead line system according to claim 2, wherein: the surface equidistance of dustproof piece (3) is seted up with four test socket (4), and dustproof piece (3) have all been installed to the inboard of four test socket (4).

4. The insulation monitor of the subway overhead line system according to claim 2, wherein: the dustproof sheet (3) is provided with a through hole, the inner side of the test socket (4) is provided with a copper core, and the copper core penetrates through the through hole.

5. The insulation monitor of the subway overhead line system according to claim 1, wherein: four signal indicator lamps (5) are installed on the monitoring shell (2), and the four signal indicator lamps (5) are an operation indicator lamp, a communication indicator lamp, an early warning indicator lamp and an alarm indicator lamp in sequence.

6. The insulation monitor of the subway overhead line system according to claim 1, wherein: the fixing block (10) is provided with an inclined surface, the clamping block (11) is provided with a corresponding inclined surface, and the fixing seat (9) and the fixing block (10) are connected through the clamping block (11).