CN215599314U

CN215599314U - Switch working state monitoring device

Info

Publication number: CN215599314U
Application number: CN202122057092.5U
Authority: CN
Inventors: 周小凡; 彭羽斐
Original assignee: Wuxi Innovation Switch Electric Appliance Co ltd
Current assignee: Wuxi Innovation Switch Electric Appliance Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-21
Anticipated expiration: 2031-08-27

Abstract

The utility model relates to the technical field of detection equipment, in particular to a switch working state monitoring device which comprises a box body, wherein a power supply wiring terminal, a voltmeter and a current test module are arranged on the box body, the power supply wiring terminal is connected in series with the current test module, the voltmeter is connected in parallel between the power supply wiring terminal and the current test module, the current test module comprises a plurality of groups of current test circuits which are connected in parallel, each group of current test circuit comprises an ammeter, an adjustable resistor and an element wiring terminal which are connected in series, an adjusting knob of the adjustable resistor is arranged on the outer side wall of the box body, and a dial plate of the voltmeter and a dial plate of the ammeter are respectively arranged on the box body. The utility model has the effect of conveniently monitoring a plurality of elements.

Description

Switch working state monitoring device

Technical Field

The utility model relates to the technical field of detection equipment, in particular to a switch working state monitoring device.

Background

Microswitches, as the name implies, use switches of very small force. The switch is characterized in that external mechanical force acts on an action reed through a transmission element to enable a fixed contact and a movable contact at the tail end of the switch to be quickly connected or disconnected.

At present, in the process of carrying out experiments such as ageing to the micro-gap switch, often need put into the experimental box of high temperature with the micro-gap switch to carry out full-load work monitoring to the micro-gap switch, consequently, to every micro-gap switch, all need external power supply, voltmeter and ampere meter, thereby realize the control.

In view of the above-mentioned related art, the inventors have considered that when a plurality of micro switches need to be monitored, the operation is cumbersome.

SUMMERY OF THE UTILITY MODEL

In order to conveniently monitor a plurality of elements, the application provides a switch working condition monitoring device.

The application provides a switch operating condition monitoring devices adopts following technical scheme:

the utility model provides a switch operating condition monitoring devices, includes the box body, be provided with power connection end, voltmeter and current test module on the box body, power connection end establishes ties in current test module, the voltmeter connects in parallel between power connection end and current test module, current test module includes parallel connection's multiunit current test circuit, every group current test circuit all includes series connection's ampere meter, adjustable resistance and component wiring end, adjustable resistance's adjust knob sets up in the lateral wall of box body, the dial plate of voltmeter and the dial plate of ampere meter set up respectively on the box body.

Through adopting above-mentioned technical scheme, during the use, the staff passes through the power connection end and inserts external power supply to the micro-gap switch that will await measuring passes through the wire and inserts from the component wiring end, later, the staff starts external power supply, and adjusts the size of the electric current on the micro-gap switch that awaits measuring that corresponds through adjustable resistance, thereby begins the experiment, and in the experimentation, the staff accessible observes the reading of ampere meter and voltmeter, realizes the control to the micro-gap switch in the experiment. Through set up multiunit current test circuit in the box body for the staff can conveniently monitor a plurality of micro-gap switches.

Optionally, the box body includes mounting panel, curb plate and encapsulation board, curb plate fixed connection in mounting panel, the encapsulation board can be dismantled and connect in the mounting panel, power connection end, voltmeter and ampere meter are connected respectively in the mounting panel, adjustable resistance and component wiring end are connected respectively in the curb plate.

By adopting the technical scheme, the packaging plate can be conveniently detached by a worker, so that the structure in the box body is maintained and confirmed.

Optionally, a portable frame is arranged on the box body, and the end of the portable frame is rotatably connected between the mounting plate and the packaging plate.

Through adopting above-mentioned technical scheme, when monitoring the operation, the portable frame is in and withdraws the state, and when monitoring device was carried to needs, the staff rotated portable frame to the open mode to be convenient for to monitoring device's transport.

Optionally, a supporting table is connected to the outer side wall of the package board, and a heat dissipation mesh opening is formed in the package board.

Through adopting above-mentioned technical scheme, when monitoring device was in operating condition, the heat in the box body was gived off through the heat dissipation net mouth, helped reducing the too high possibility of component temperature.

Optionally, a boss is arranged on the outer side wall, far away from the packaging plate, of the mounting plate, the height of the boss is larger than the heights of the dial plates of the voltmeter and the ammeter, and the height of the boss is larger than the height of the power supply wiring terminal.

Through adopting above-mentioned technical scheme, when the staff dismantled the encapsulation board, the upset box body for the boss plays the supporting role to the mounting panel, has reduced the dial plate between voltmeter and ammeter and the possibility of power connection terminal wearing and tearing.

Optionally, the voltmeter and the ammeter are detachably connected to the box body respectively.

Through adopting above-mentioned technical scheme, make things convenient for the staff to change the voltmeter and the ampere meter that break down.

Optionally, an indicating plate is arranged on an adjusting knob of the adjustable resistor, scale marks are arranged on the adjustable resistor, and the indicating plate points to the scale marks.

Through adopting above-mentioned technical scheme, when the staff utilized adjustable resistance to adjust the electric current on the test switch that corresponds, can refer to the scale mark, convenient operation has improved regulation efficiency.

Optionally, a current limiting resistor is connected in series between the power supply terminal and the current testing module, and the current limiting resistor is located between the voltmeter and the current testing module.

By adopting the technical scheme, the current-limiting resistor plays a role in protecting the voltmeter and the current testing module, and the possibility of burning out of the ammeter during short circuit is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging a plurality of groups of current testing circuits in the box body, a worker can conveniently monitor a plurality of micro switches;

through setting up current-limiting resistor, current-limiting resistor plays the guard action to voltmeter and current test module, has reduced the possibility that the ampere meter burns out when the short circuit.

Drawings

Fig. 1 is a schematic structural diagram of a switch operating state monitoring apparatus in embodiment 1 of the present application.

Fig. 2 is a schematic circuit diagram of a current test module used in embodiment 1 of the present application.

Fig. 3 is a schematic structural view of a package board used in embodiment 1 of the present application.

Fig. 4 is a schematic structural view of a structure on a mounting board for embodying the embodiment 1 of the present application.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4 in embodiment 1 of the present application.

Fig. 6 is a schematic structural diagram of a switch operating state monitoring apparatus according to embodiment 2 of the present application.

Description of reference numerals: 1. a box body; 11. mounting a plate; 111. a first base plate; 112. a first butt plate; 12. a side plate; 13. a package board; 131. a second base plate; 132. a second butt joint plate; 133. a support table; 134. a butt bolt; 135. a heat dissipation net port; 14. a butt joint groove; 2. a power supply terminal; 21. a first positive terminal; 22. a first negative terminal; 3. a voltmeter; 4. a current testing module; 41. a current test circuit; 5. an ammeter; 6. an adjustable resistor; 61. an indicator panel; 62. scale lines; 7. an element terminal; 71. a second positive terminal; 72. a second negative terminal; 8. a stud; 81. a nut; 9. a portable frame; 91. a hand-held portion; 92. a connecting portion; 10. and (4) a boss.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a switch working condition monitoring device.

Example 1:

referring to fig. 1 and 2, the switch working state monitoring device includes a box body 1, a power terminal 2 for connecting an external power source, a voltmeter 3 for detecting voltage, and a current testing module 4 for testing current are disposed on the box body 1. The external power supply can be a 5V or 27V direct current power supply, and the like, the current test module 4 comprises a plurality of groups of current test circuits 41, and each group of current test circuits 41 can monitor a micro switch to be tested respectively.

Referring to fig. 1 and 2, a power terminal 2 and a current test module 4 are connected in series, and a voltmeter 3 is connected in parallel between the power terminal 2 and the current test module 4. In the present embodiment, the current testing module 4 includes four sets of current testing circuits 41 connected in parallel, each set of current testing circuit 41 includes an ammeter 5, an adjustable resistor 6 and an element terminal 7 connected in series, and in fig. 2, R1, R2, R3 and R4 are all adjustable resistors 6. The element terminal 7 is used for externally connecting a micro switch to be tested, the adjustable resistor 6 is used for adjusting the current of the current testing circuit 41, and the ammeter 5 is used for testing the current of the current testing circuit 41.

Referring to fig. 2, a current limiting resistor R0 is connected in series between the power terminal 2 and the current testing module 4, and a current limiting resistor R0 is located between the voltmeter 3 and the current testing module 4 for protecting the circuit.

Referring to fig. 1, the case 1 includes a mounting plate 11, side plates 12, and a packing plate 13. The mounting plate 11 includes a first base plate 111 and first butt plates 112 fixedly connected to both ends of the first base plate 111, and the two first butt plates 112 are parallel to each other and perpendicular to the first base plate 111. The package board 13 includes a second base board 131 and second butt-joint boards 132 fixedly connected to both ends of the second base board 131, and the two second butt-joint boards 132 are parallel to each other and perpendicular to the second base board 131. The first bottom plate 111 is parallel to the second bottom plate 131, and opposite sides of the first butt plate 112 and the second butt plate 132 are attached to each other. Two side plates 12 are fixedly connected to the side surface of the first bottom plate 111 facing the second bottom plate 131, and the two side plates 12 are parallel to each other and perpendicular to the second butt plate 132.

Referring to fig. 1 and 3, a support platform 133 is fixedly connected to a side wall of the second bottom plate 131 far from the first bottom plate 111, and the support platform 133 is respectively disposed at four corners of the second bottom plate 131. A docking bolt 134 is threadedly connected in each supporting platform 133, and the docking bolt 134 sequentially penetrates through the supporting platform 133 and the second bottom plate 131 and is threadedly connected to the first bottom plate 111, so that the mounting plate 11 and the packaging plate 13 are detachably connected. The first bottom plate 131 is provided with a heat dissipation port 135 for dissipating heat, thereby reducing the possibility of over-high temperature in the case 1.

Referring to fig. 1, the power terminal 2 includes a first positive terminal 21 and a first negative terminal 22 that are spaced apart and fixedly connected to the first base plate 111, and the voltmeter 3 is located between the first positive terminal 21 and the first negative terminal 22.

Referring to fig. 1, 4 and 5, voltmeter 3 and ammeter 5 are respectively embedded in first bottom plate 111, and voltmeter 3 and ammeter 5 are respectively fixedly connected with double-screw bolt 8 towards the side of first bottom plate 111, and double-screw bolt 8 passes through first bottom plate 111 to the box body 1 inside, and equal threaded connection has nut 81 on every double-screw bolt 8, and nut 81 is located box body 1 and supports tight first bottom plate 111 to the detachable connection of ammeter 5 and voltmeter 3 both with first bottom plate 111 has been realized. The dials of the voltmeter 3 and the ammeter 5 are both located on the side of the first bottom plate 111 far away from the second bottom plate 131, and the portions of the voltmeter 3 and the ammeter 5 located in the box body 1 are respectively connected with a binding post (a conducting wire is not shown) for wiring.

Referring to fig. 1 and 2, the adjustable resistor 6 and the element terminal 7 belonging to the same current test circuit 41 are arranged adjacent to each other and on the same side plate 12. Every curb plate 12 is gone up equal fixed connection two adjustable resistor 6 that the interval set up, and adjustable resistor 6's adjust knob is located the box body 1 outside. The element terminals 7 include second positive terminals 71 and second negative terminals 72 arranged at intervals, and the second positive terminals 71 and the second negative terminals 72 are fixedly connected to the side plates 12 respectively.

Referring to fig. 1, an indicating plate 61 is fixedly connected to an adjusting knob of the adjustable resistor 6, scale marks 62 are arranged on the adjustable resistor 6 corresponding to the indicating plate 61, and the indicating plate 61 points to the scale marks 62, so that the worker can conveniently adjust the resistance of the adjustable resistor 6.

Referring to fig. 1 and 4, a portable rack 9 is arranged on the box body 1, the portable rack 9 includes a portable portion 91 and a connecting portion 92, two ends of the portable portion 91 in the length direction are respectively and fixedly connected with the connecting portion 92, a semicircular butt joint groove 14 is respectively formed in the opposite side walls of the first butt joint plate 112 and the second butt joint plate 132, the two butt joint grooves 14 jointly enclose a hinge joint, and one end of the connecting portion 92 away from the portable portion 91 is hinged in the hinge joint. When carrying out the experiment, portable portion 91 of hand-held rack 9 is laminated in second bottom plate 131, and when box body 1 was carried to needs, the staff passed through hand-held rack 9, can utilize hand-held rack 9 to pull up box body 1, convenient operation.

The implementation principle of the embodiment of the application is as follows: during the use, the staff inserts external power supply through power connection end 2 to the micro-gap switch that will await measuring passes through the wire and inserts from component wiring end 7, later, the staff starts external power supply, and adjusts the size of the electric current on the corresponding micro-gap switch that awaits measuring through adjustable resistance 6, thereby begins the experiment, and in the experimentation, the staff accessible is observed ammeter 5 and voltmeter 3's reading, realizes the control to the micro-gap switch in the experiment.

Example 2:

referring to fig. 6, the present embodiment is different from embodiment 1 in that bosses 10 are fixedly connected to four corners of a side surface of the first base plate 111 away from the second base plate 131, a height of the boss 10 is higher than heights of dials of both the voltmeter 3 and the ammeter 5, and meanwhile, a height of the boss 10 is higher than a height of the power terminal 2. When the packaging plate 13 needs to be detached, a worker turns the box body 1, so that the first bottom plate 111 of the mounting plate 11 is opposite to the desktop, at the moment, the boss 10 plays a supporting role, the possibility that the dial plates of the voltmeter 3 and the ammeter 5 and the power supply terminal 2 directly contact the desktop is reduced, and the possibility of abrasion is further reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a switch operating condition monitoring device which characterized in that: including box body (1), be provided with power connection terminal (2), voltmeter (3) and current test module (4) on box body (1), power connection terminal (2) are established ties in current test module (4), voltmeter (3) are parallelly connected between power connection terminal (2) and current test module (4), current test module (4) are including parallel connection's multiunit current test circuit (41), every group current test circuit (41) all include ammeter (5), adjustable resistance (6) and component wiring end (7) of series connection, the adjust knob of adjustable resistance (6) sets up in the lateral wall of box body (1), the dial plate of voltmeter (3) and the dial plate of ammeter (5) set up respectively on box body (1).

2. The switch operating condition monitoring device according to claim 1, wherein: box body (1) includes mounting panel (11), curb plate (12) and encapsulation board (13), curb plate (12) fixed connection is in mounting panel (11), encapsulation board (13) can be dismantled and connect in mounting panel (11), power connection end (2), voltmeter (3) and ampere meter (5) are connected respectively in mounting panel (11), adjustable resistance (6) and component wiring end (7) are connected respectively in curb plate (12).

3. The switch operating condition monitoring device according to claim 2, wherein: the portable box is characterized in that a portable frame (9) is arranged on the box body (1), and the end part of the portable frame (9) is rotatably connected between the mounting plate (11) and the packaging plate (13).

4. The switch operating condition monitoring device according to claim 2, wherein: the outer side wall of the packaging plate (13) is connected with a supporting table (133), and the packaging plate (13) is provided with a radiating net opening (135).

5. The switch operating condition monitoring device according to claim 2, wherein: be provided with boss (10) on mounting panel (11) keep away from the lateral wall of encapsulation board (13), the height that highly is greater than both dials of voltmeter (3) and ampere meter (5) of boss (10), the height that highly is greater than power connection end (2) of boss (10).

6. The switch operating condition monitoring device according to claim 1, wherein: the voltmeter (3) and the ammeter (5) are detachably connected to the box body (1) respectively.

7. The switch operating condition monitoring device according to claim 1, wherein: be provided with indicator board (61) on the adjust knob of adjustable resistance (6), be provided with scale mark (62) on adjustable resistance (6), indicator board (61) directional scale mark (62).

8. The switch operating condition monitoring device according to claim 1, wherein: and a current limiting resistor is connected between the power supply terminal (2) and the current testing module (4) in series, and the current limiting resistor is positioned between the voltmeter (3) and the current testing module (4).