A kind of voltage and current signal sensor structure of one module multiple usages
Technical field
The utility model relates to fire-fighting equipment technical fields, specifically, the voltage electricity of in particular to a kind of one module multiple usages
Flow signal transducer structure.
Background technique
Voltage and current signal sensor is the core component of fire-fighting equipment power supply monitoring system, can be divided according to its function difference
Are as follows: three-phase alternating voltage/electric current (phase three-wire three), three-phase alternating voltage/electric current (three-phase and four-line), three-phase alternating voltage/electric current
The different models such as (two-way phase three-wire three), three-phase alternating voltage/electric current (two-way three-phase and four-line), each direct connecting terminal of model
Number is all different, and position is also different, if each model opens a secondary mold, there are the great wastings of resources;On the other hand
Voltage and current signal sensor is installed unstable in use in the prior art, and what can be fallen off when the time is longer shows
As, and process is many and diverse in process of production, safety is lower.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem in the prior art at least to a certain extent.In view of
This, the utility model, which needs to provide, a kind of realizes one module multiple usages, installation easy to produce, the electricity that installation effectiveness is high and safety coefficient is high
Current voltage signal transducer structure.
The utility model provides a kind of voltage and current signal sensor structure of one module multiple usages, include: upper casing, light-guiding pillar,
Lower casing, PCB component and guide rail shackle member, the upper casing be equipped with multiple guide-lighting post holes, multiple terminal holes and with the terminal hole one
One corresponding terminal connections hole, the terminal hole are equipped with relative to the turnover terminal protective cover of the upper casing, the terminal
The turnover side of protection cap and the upper casing snapping;The light-guiding pillar snaps onto the guide-lighting post holes;The lower casing and institute
State upper casing snapping, the bottom of the lower casing is equipped with U-shaped groove be clamped with guide rail and guide rail clamping groove, the guide rail clamping groove and
The U-shaped groove is mutually perpendicular to;The PCB component is fixed on the lower casing and between the upper casing and the lower casing;
The guide rail shackle member is located in the guide rail clamping groove and connect with the lower casing eye-splice described U-shaped recessed guide rail to be fixed on
Slot.
One embodiment according to the present utility model, the guide rail clamping groove are interior convex equipped with two edges being oppositely arranged
It rises, detent slot and the elastic reset being set side by side with detent slot protrusion is equipped between two edge protuberances, wherein institute
The side for stating detent slot is equipped with taper slide groove, and the direction great Kou of the taper slide groove is towards the one of the terminal connections hole
Side.
One embodiment according to the present utility model, the guide rail shackle member, which is equipped with to match with the edge protuberance, to be made
Edge lug boss and elastic spiral arm, the end of the elasticity spiral arm be equipped with the consistent columnar projections of detent groove shape,
When being wherein inserted into the guide rail shackle member, the columnar projections are entered in the detent slot by the taper slide groove with by institute
It states guide rail shackle member to be fixed in the guide rail clamping groove, when extracting the guide rail shackle member, passes through the elastic reset protrusion
The elastic spiral arm is bounced, the columnar projections are bounced from the detent slot and take out the guide rail shackle member.
One embodiment according to the present utility model, the leaded light post holes is two, and is equipped with card in the guide-lighting post holes
Button protrusion, the light-guiding pillar are equipped with the card slot used with the buckle male cooperation.
One embodiment according to the present utility model, the terminal connections hole are the plug-hole for striking leaky.
One embodiment according to the present utility model, there are two the position that the upper casing is connect with the terminal protective cover is set
Attachment base, the terminal protecting cover the elastic rotation shaft for being equipped with and being used in conjunction with each other with the attachment base, and the elastic rotation shaft squeezes
It is pressed into the attachment base so that the terminal protective cover is overturn in the attachment base.
One embodiment according to the present utility model is equipped with arc groove, the arc at left and right sides of the upper casing
Buttonhole is equipped in groove, the left and right sides of the lower casing is equipped with the arc convex to match with the arc groove, the arc
Shape protrusion is equipped with the snapping protrusion being used cooperatively with the buttonhole.
One embodiment according to the present utility model, the side in the U-shaped groove far from the guide rail clamping groove are equipped with
Two clamping protrusions, two clamping protrusions are symmetricly set on the two sides of the guide rail clamping groove.
A kind of voltage and current signal sensor structure of one module multiple usages of the utility model, light-guiding pillar and upper casing, terminal are protected
Protecting cover and upper casing, upper casing and lower casing are all made of buckled installation, simplify production and assembly process, convenient for the production of sensor, mention
High production efficiency;Secondly, lower casing is connect with guide rail shackle member eye-splice sensor to be firmly fixed on guide rail, and guide rail
The assembling and dismantling process of shackle member is simple and direct, is conveniently replaceable or movable sensor.
A kind of voltage and current signal sensor structure of one module multiple usages of the utility model, the mold of upper casing are by most big end
What subnumber was designed, the extra terminal connections hole temporarily taken less than during wiring is designed to strike the plug-hole of leaky, when
When sensor needs more terminal connections hole, terminal connections hole, which is knocked open, be can be used, thus realize the purpose of one module multiple usages,
Improve the versatility of sensor.
Detailed description of the invention
Fig. 1 is a kind of voltage and current signal sensor structure of one module multiple usages of one embodiment according to the present utility model
Explosive view.
Fig. 2 is a kind of voltage and current signal sensor structure of one module multiple usages of one embodiment according to the present utility model
Structural schematic diagram.
Fig. 3 is a kind of voltage and current signal sensor structure of one module multiple usages of one embodiment according to the present utility model
Sectional view.
Fig. 4 is a kind of voltage and current signal sensor structure of one module multiple usages of one embodiment according to the present utility model
Structural schematic diagram.
Fig. 5 is a kind of voltage and current signal sensor structure of one module multiple usages of one embodiment according to the present utility model
Bottom view.
A kind of appended drawing reference: the voltage and current signal sensor structure of one module multiple usages of 100-;1- upper casing;2- light-guiding pillar;3-
Lower casing;4-PCB component;5- guide rail shackle member;6- terminal protective cover;11- leaded light post holes;12- terminal hole;13- terminal connections hole;
14- attachment base;15- arc groove;16- buttonhole;21- card slot;31-U type groove;32- guide rail clamping groove;33- arc convex;
34- snapping protrusion;35- clamping protrusion;51- edge lug boss;52- elasticity spiral arm;53- columnar projections;61- elastic rotation shaft;111-
Buckle protrusion;321- edge protuberance;322- detent slot;323- elastic reset protrusion;324- taper slide groove.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figure 1, Figure 2 and Figure 4, embodiment according to the present utility model, a kind of voltage and current signal of one module multiple usages
Sensor structure 100 includes: upper casing 1, light-guiding pillar 2, lower casing 3, PCB component 4 and guide rail shackle member 5, and upper casing 1 is equipped with multiple leaded lights
Post holes 11, multiple terminal holes 12 and with the one-to-one terminal connections hole 13 of terminal hole 12, terminal connections hole 13 be strike leaky
Plug-hole, terminal hole 12 are equipped with relative to the turnover terminal protective cover 6 of upper casing 1, the turnover side of terminal protective cover 6 with it is upper
1 snapping of shell;Light-guiding pillar 2 snaps onto guide-lighting post holes 11;Lower casing 3 and 1 snapping of upper casing, the bottom of lower casing 3 is equipped with to be clamped with guide rail
U-shaped groove 31 and guide rail clamping groove 32, guide rail clamping groove 32 be mutually perpendicular to U-shaped groove 31;PCB component 4 is fixed on lower casing 3
It goes up and is located between upper casing 1 and lower casing 3;Guide rail shackle member 5 is located in guide rail clamping groove 32 and connect with 3 eye-splice of lower casing will lead
Rail is fixed on U-shaped groove 31.
A kind of voltage and current signal sensor structure 100 of one module multiple usages of the utility model, light-guiding pillar 2 and upper casing 1, end
Sub- protection cap 6 is all made of buckled installation with upper casing 1, upper casing 1 and lower casing 3, simplifies production and assembly process, convenient for sensor
Production, improves production efficiency;Secondly, lower casing 3 is connect with 5 eye-splice of guide rail shackle member sensor is firmly fixed on guide rail
On, and the assembling and dismantling process of guide rail shackle member 5 is simple and direct, is conveniently replaceable or movable sensor;Further, the mold of upper casing 1 be by
What maximum number of terminals was designed, the extra terminal connections hole 13 temporarily taken less than during wiring is designed to strike leaky
Plug-hole, when sensor needs more terminal connections hole 13, terminal connections hole 13, which is knocked open, be can be used, to realize a mould
Multi-purpose purpose improves the versatility of sensor.
As shown in figure 4, being equipped with two edge protuberances 321 being oppositely arranged, two edge protuberances 321 in guide rail clamping groove 32
Between be equipped with detent slot 322 and the elastic reset protrusion 323 that is set side by side with detent slot 322, the wherein side of detent slot 322
Equipped with taper slide groove 324, the direction great Kou of taper slide groove 324 towards terminal connections hole 13 side, in guide rail shackle member 5
Equipped with the edge lug boss 51 used and the elastic spiral arm 52 of matching with edge protuberance 321, the end of elastic spiral arm 52 is equipped with and card
The position consistent columnar projections 53 of 322 shape of slot, wherein columnar projections 53 pass through taper slide groove 324 when insertion guide rail shackle member 5
Into in detent slot 322 guide rail shackle member 5 to be fixed in guide rail clamping groove 32, extract guide rail shackle member 5 when, pass through elasticity
It resets protrusion 323 to bounce elastic spiral arm 52, columnar projections 53 is bounced from detent slot 322 and take out guide rail shackle member 5.
As shown in figures 1 and 3, guide-lighting post holes 11 is two, and buckle protrusion 111, light-guiding pillar 2 are equipped in guide-lighting post holes 11
It is equipped with the card slot 21 being used cooperatively with buckle protrusion 111, by the snapping of buckle protrusion 111 and card slot 21, facilitates light-guiding pillar 2
Assembling, improve sensor installation efficiency.
As shown in Fig. 2, the position that upper casing 1 is connect with terminal protective cover 6 is set there are two attachment base 14, on terminal protective cover 6
Equipped with the elastic rotation shaft 61 being used in conjunction with each other with attachment base 14, elastic rotation shaft 61 is squeezed into attachment base 14 so that terminal protecting
Lid 6 is overturn in attachment base 14, terminal hole 12 to be effectively protected, improves the safety coefficient of sensor.
As shown in Figure 1, the left and right sides of upper casing 1 is equipped with arc groove 15, it is equipped with buttonhole 16 in arc groove 15, under
The left and right sides of shell 3 is equipped with the arc convex 33 to match with arc groove 15, and arc convex 33 is equipped with matches with buttonhole 16
The snapping protrusion 34 used is closed, facilitates the Fast Installation of upper casing 1 Yu lower casing 3 as a result, simplifies production and assembly process, convenient for passing
The production of sensor, improves production efficiency.
As shown in Figure 4 and Figure 5, in U-shaped groove 31 far from guide rail clamping groove 32 side set there are two clamping protrusion 35, two
A clamping protrusion 35 is symmetricly set on the two sides of guide rail clamping groove 32, wherein clamping protrusion 35 cooperates with guide rail shackle member 5
It uses, sensor is firmly fixed on guide rail.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.