CN111006811A

CN111006811A - Pressure transmitter with power supply

Info

Publication number: CN111006811A
Application number: CN201911291667.0A
Authority: CN
Inventors: 段春妮
Original assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Current assignee: Xian Zhikai Industrial Automation Engineering Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-04-14

Abstract

The invention discloses a pressure transmitter with a power supply, which comprises a measuring instrument body, wherein a protective cover is arranged on one side of the top of a shell of the measuring instrument body, a discharge port on the front side of a storage battery is electrically connected with a charge port on one side of the back of the measuring instrument body through a wire, a connecting column and a movable clamping rod which are movably connected are arranged on the side of the protective cover, a first return spring is sleeved on the movable clamping rod, the movable clamping rod can be inserted into a clamping groove to press the protective cover to clamp the connecting column into the clamping groove in the same way, when the wiring and the port between a transmitter and a battery need to be maintained, a pressing plate can push an arc-shaped clamping plate out through a propping rod, so that the connecting column and the protective cover are pushed under the action of the first return spring, the wiring between the storage battery and the transmitter is exposed and then maintained, and the protective cover does, is convenient and quick.

Description

Pressure transmitter with power supply

Technical Field

The invention relates to a pressure transmitter, in particular to a pressure transmitter with a power supply.

Background

A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission. The pressure sensor can convert physical pressure parameters of gas, liquid and the like sensed by the pressure element sensor into standard electric signals (such as 4-20 mADC and the like) so as to supply secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation. The pressure transmitter with the power supply does not supply power to the pressure transmitter through an external transformer substation, and the pressure transmitter is supplied with power by the power supply component.

In view of the above, chinese patent No. CN206410814U proposes a pressure transmitter with a power supply, in which a power supply module can be directly connected to the pressure transmitter by using a transmitter connector, and a battery module can supply power to the pressure transmitter after a power line is connected to an electrode plate, and chinese patent No. CN208636992U proposes a pressure transmitter, which can be powered by dual power supplies and a low power consumption power management module, and can ensure that the module can continuously work for several years without replacing the battery; when the pressure transmitter with the power supply in the patent is used, in order to prolong the service life of the battery, a protective cover is generally required to be sleeved outside the battery assembly, after the protective cover is used, if the wiring and the port between the transmitter and the battery need to be maintained, the protective cover needs to be integrally detached, and then the protective cover is installed back after maintenance, so that the operation is troublesome.

Disclosure of Invention

The present invention is directed to a pressure transmitter with a power supply, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a from pressure transmitter of electrified source, includes the measuring instrument body, the casing bottom of measuring instrument body is through connecting bolt fixedly connected with response contact, casing top one side of measuring instrument body is equipped with the protection casing, the standing groove has been seted up to the inside of protection casing, the battery has been placed to the inside of standing groove, the positive discharge port of battery passes through the electric wire and the port electric connection that charges on one side of the measuring instrument body back.

Preferably, the positive both sides of protection casing are all fixed and are equipped with the spliced pole, the groove of accomodating has been seted up to the inside of spliced pole, the inside interlude of accomodating the groove is connected with movable kelly, the fixed first reset spring that is equipped with in bottom of spliced pole, the outside of movable kelly is located to first reset spring's cover.

Preferably, the measuring instrument body is provided with clamping grooves on two sides of the back surface, the movable clamping rod is connected to the inside of the clamping groove in a clamping mode, and the bottom of the first reset spring is in contact connection with the bottom groove wall of the clamping groove.

Preferably, one side of the connecting column is provided with a first groove, one groove wall of one side of the first groove is fixedly connected with a second reset spring, one end of the second reset spring is fixedly connected with an arc-shaped clamping plate, and one groove wall of one side of each of the two clamping grooves is provided with a second groove.

Preferably, both sides of the measuring instrument body shell are respectively and alternately connected with a supporting rod, one end of each supporting rod penetrates through the inner wall of the measuring instrument body shell and is arranged inside the second groove, the other end of each supporting rod penetrates through the inner wall of the measuring instrument body shell and is fixedly connected with a pressing plate, and a third reset spring is fixedly connected between each pressing plate and the measuring instrument body shell.

Preferably, a heat dissipation window is arranged on one side of the back face of the protective cover, and the interior of the heat dissipation window is connected with a dustproof filter screen in a clamping mode.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, the storage battery is arranged on one side of the shell of the side gauge body, the discharge end of the storage battery is electrically connected with the charge end of the transmitter, the storage battery can directly supply electric energy without being externally connected with power transformation equipment when in use, the movable clamping rod is sleeved with the first return spring, the movable clamping rod can be inserted into the clamping groove to press the protective cover to enable the connecting column to be clamped into the clamping groove in the same way, meanwhile, the connecting column can be fixed after the connecting column is clamped into the clamping groove through the arranged arc-shaped clamping plate and the second clamping groove, when the wiring and the port between the transmitter and the battery need to be maintained, the pressing plate can enable the abutting rod to push the arc-shaped clamping plate out, so that the connecting column and the protective cover are pushed under the action of the first return spring, and the wiring between the storage battery and the transmitter is exposed, and the protective cover is maintained without being integrally detached, so that the maintenance is convenient and fast.

Drawings

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

FIG. 2 is a schematic diagram of the novel internal structure of the present invention;

FIG. 3 is a schematic view of the structure of the shield of the present invention;

fig. 4 is an enlarged schematic view of the present invention at fig. 2A.

FIG. 5 is a schematic view of a heat dissipation window according to the present invention.

In the figure: 1. a measuring instrument body; 2. a connecting bolt; 3. an inductive contact; 4. a protective cover; 5. a placement groove; 6. a storage battery; 7. connecting columns; 8. a movable clamping rod; 9. a card slot; 10. a second slot; 11. a first slot; 12. a second return spring; 13. an arc-shaped clamping plate; 14. a support rod; 15. pressing a plate; 16. a third return spring; 17. a first return spring; 18. a heat dissipation window; 19. dustproof filter screen.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 1-3, the measuring instrument comprises a measuring instrument body 1, the bottom of the casing of the measuring instrument body 1 is fixedly connected with an inductive contact 3 through a connecting bolt 2, one side of the top of the casing of the measuring instrument body 1 is provided with a protective cover 4, a placing groove 5 is arranged inside the protective cover 4, a storage battery 6 is arranged inside the placing groove 5, a discharge port on the front side of the storage battery 6 is electrically connected with a charge port on one side of the back side of the measuring instrument body 1 through an electric wire, one side of the back side of the protective cover 4 is provided with a heat dissipation window 18, the interior of the heat dissipation window 18 is clamped and connected with a dustproof filter screen 19, two sides of the front side of the protective cover 4 are both fixedly provided with connecting posts 7, the interior of the connecting posts 7 is provided with accommodating grooves, the interior of the accommodating grooves is alternately connected with movable clamping rods, draw-in groove 9 has all been seted up to the back both sides of measuring instrument body 1, and 8 blocks of activity kelly are connected in the inside of draw-in groove 9, and inside two draw-in grooves 9 that measuring instrument body 1 was seted up were entered to two 8 joints of activity kellies of protection casing 4 bottom, and the protection casing 4 is pressed down after the joint is stable, and spliced pole 7 joint advances the inside of draw-in groove 9 in making, and the bottom of first reset spring 17 is connected with the bottom cell wall contact of draw-in groove 9.

Example two:

as shown in fig. 3-5, one side of the connecting column 7 is provided with a first open slot 11, one side of the first open slot 11 is fixedly connected with a second return spring 12, one end of the second return spring 12 is fixedly connected with an arc-shaped clamping plate 13, the size of the first open slot 11 is opposite to the position of the arc-shaped clamping plate 13, and the sizes of the two arc-shaped clamping plates are matched, the first open slot 11 can be used for accommodating the arc-shaped clamping plate 13, one side of the two clamping slots 9 is provided with a second open slot 10, the size of the second open slot 10 is matched with that of the first open slot 11, two sides of the shell of the measuring instrument body 1 are respectively and alternately connected with a support rod 14, one end of the support rod 14 penetrates through the inner wall of the shell of the measuring instrument body 1 and is arranged inside the second open slot 10, the other end of the support rod 14 penetrates through the inner wall of the shell of the measuring instrument body, can press clamp plate 15 to promote and support pole 14, the inside that the one end that supports pole 14 got into second fluting 10 releases arc cardboard 13, owing to do not have the fixed of arc cardboard 13, can directly bounce spliced pole 7 and protection casing 4 under first reset spring's 17 effect to expose interface and wiring, maintain again can, convenient and fast, heat dissipation window 18 has been seted up to back one side of protection casing 4, the inside block of heat dissipation window 18 is connected with dustproof filter screen 19.

It should be noted that, the invention is a pressure transmitter with a power supply, when in use, the inductive contact 3 can be inserted into the tested pipeline and fixed by the connecting bolt 2, at this time, the discharging port of the storage battery 6 is connected with the charging port of the transmitter through the wiring, after the connection is stable, the two movable clamping rods 8 at the bottom of the protective cover 4 are clamped into the two clamping grooves 9 arranged on the measuring instrument body 1, after the clamping is stable, the protective cover 4 is pressed downwards to clamp the inner connecting post 7 into the clamping groove 9, when inserted into the clamping groove 9, due to the elastic force of the third return spring 16, the arc-shaped clamping plate 13 arranged at one side of the connecting post 7 shrinks into the first slot 11 of the connecting post 7 when contacting with the groove wall at one side of the clamping groove 9, then the connecting post 7 continues to enter into the inside of the clamping groove 9, when the arc-shaped clamping plate 13 reaches the second slot 10, owing to not having the effect of sheltering from of cell wall, directly bounce arc cardboard 13 to inside and the chucking of second fluting 10 under third reset spring 16's effect, it is fixed to connect the post 7, thereby make the stable joint of protection casing 4 on the casing of measuring instrument body 1, when needs are safeguarded wiring and port between changer and the battery 6, can press down clamp plate 15 and promote to support pole 14, the one end that supports pole 14 gets into the inside of second fluting 10 and releases arc cardboard 13, owing to do not have the fixed of arc cardboard 13, can directly bounce connection post 7 and protection casing 4 under first reset spring 17's effect, thereby expose interface and wiring, it can to maintain again, convenient and fast.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a from pressure transmitter of taking power, includes measuring instrument body (1), its characterized in that, connecting bolt (2) fixedly connected with induction contact (3) are passed through to the casing bottom of measuring instrument body (1), casing top one side of measuring instrument body (1) is equipped with protection casing (4), standing groove (5) have been seted up to the inside of protection casing (4), battery (6) have been placed to the inside of standing groove (5), the positive discharge port of battery (6) passes through the electric wire and the charge port electric connection of measuring instrument body (1) back one side.

2. The self-powered pressure transmitter of claim 1, wherein: the utility model discloses a safety protection cover, including protection casing (4), the positive both sides of protection casing (4) are all fixed and are equipped with spliced pole (7), the groove has been seted up to the inside of spliced pole (7) and has been accomodate, the inside in accomodating the groove alternates and is connected with movable kelly (8), the fixed first reset spring (17) that is equipped with in bottom of spliced pole (7), the outside of movable kelly (8) is located to the cover of first reset spring (17).

3. The self-powered pressure transmitter of claim 2, wherein: the measuring instrument is characterized in that clamping grooves (9) are formed in two sides of the back face of the measuring instrument body (1), the movable clamping rod (8) is connected to the inside of each clamping groove (9) in a clamping mode, and the bottom of the first reset spring (17) is in contact with the bottom groove wall of each clamping groove (9).

4. The self-powered pressure transmitter of claim 1, wherein: first fluting (11) has been seted up to one side of spliced pole (7), one side cell wall fixedly connected with second reset spring (12) of first fluting (11), the one end fixedly connected with arc cardboard (13) of second reset spring (12), two second fluting (10) has all been seted up to one side cell wall of draw-in groove (9).

5. The self-powered pressure transmitter of claim 4, wherein: the measuring instrument comprises a measuring instrument body (1), wherein two sides of a shell are respectively and alternately connected with a supporting rod (14), one end of each supporting rod (14) penetrates through the inner wall of the shell of the measuring instrument body (1) and is arranged inside a second groove (10), the other end of each supporting rod (14) penetrates through the inner wall of the shell of the measuring instrument body (1), a pressing plate (15) is fixedly connected with the inner wall of the shell of the measuring instrument body (1), and a third reset spring (16) is fixedly connected between the pressing plate (15) and the shell of the measuring instrument body (1).

6. The self-powered pressure transmitter of claim 1, wherein: heat dissipation window (18) have been seted up to back one side of protection casing (4), the inside block of heat dissipation window (18) is connected with dustproof filter screen (19).