CN210856348U - Electronic anode and water storage container corrosion prevention device - Google Patents

Abstract

The utility model discloses an electron positive pole and water container corrosion prevention device. This electron anode, including the insulating part, the barred body of making by conducting material, still including being used for the connecting piece of being connected with water container, the barred body is integrative to be set up, the insulating part cladding is in the barred body lower part outside, the insulating part lower extreme is worn out to the barred body lower extreme, the insulating part side is provided with spacing flange, the mounting hole has been seted up on the connecting piece, insulating part top-down of spacing flange lower extreme passes mounting hole and is connected with the retaining member, the insulating part lower extreme be provided with retaining member complex locking portion, be provided with the sealing member between spacing flange and the. The electronic anode has the advantages of simple structure, convenient processing and installation, lower production cost and convenient popularization.

Description

Electronic anode and water storage container corrosion prevention device

Technical Field

The utility model relates to an anti-corrosion device, in particular to an anti-corrosion device for an electronic anode and a water storage container.

Background

Most of the existing water heaters are provided with a water storage container, and the water storage container is made of metal materials. The water temperature in the water storage container is kept in a high state for a long time, so that the water storage container is easy to corrode and damage. In order to protect the water storage container, the water storage container is generally protected by mounting a magnesium rod on the inner container. But the magnesium stick self corrodes, consumes fast, and the magnesium stick corrodes simultaneously, can remain in the inner bag the back consumption, produces the incrustation scale, influences the heat conduction efficiency of electrothermal tube, though can protect water container in the short time, but need often change the magnesium stick and clean the inner bag.

Accordingly, an electronic anode is available on the market, and the electronic anode is fixed in the water storage container and is insulated from the water storage container. When the water storage device is used, the electronic anode is electrically connected with the anode of the low-voltage power supply, and the water storage container is connected with the cathode of the low-voltage power supply. Thereby carrying out cathodic protection on the water storage container.

For example, chinese patent No. 201621162886.0 discloses an electronic anode plate and a water heater, wherein the anode rod includes an insulating member and a rod made of conductive material, the rod is partially disposed in the insulating member, the insulating member is provided with a connecting member, the insulating member, the rod and the connecting member are of an integral structure, and the connecting member is made of metal material. The connecting piece is metal material for using the plastics material, can bear higher temperature, can not lead to the connecting piece to take place to warp and intensity to change because of the effect of high temperature, influence the reliability of connecting and sealing. However, the anode rod is made of three materials to form an integrated structure, so that the processing is troublesome, the production cost is high, and the popularization is not facilitated.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the first purpose of the utility model is to provide an electronic anode which has simple structure, convenient processing and installation, lower production cost and convenient popularization.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an electron anode, including the insulating part, the barred body of making by conducting material, still including being used for the connecting piece of being connected with water container, the barred body is integrative to be set up, the insulating part cladding is in the barred body lower part outside, the insulating part lower extreme is worn out to the barred body lower extreme, the insulating part side is provided with spacing flange, the mounting hole has been seted up on the connecting piece, the insulating part top-down of spacing flange lower extreme passes mounting hole and is connected with the retaining member, the insulating part lower extreme be provided with retaining member complex locking portion, be provided with the sealing member between.

Through the technical scheme, the rod body is integrally arranged, so that the insulating part can be conveniently coated on the outer side of the lower part of the rod body through methods such as injection molding, and the lower end of the rod body penetrates out of the lower end of the insulating part, so that the rod body can be directly connected with the anode of the protection circuit. The position of the insulation piece on the connecting piece can be positioned by the arrangement of the limiting flange. Meanwhile, a sealing element is arranged between the limiting flange and the connecting piece, and after the insulating piece is locked on the connecting piece by the locking piece, the limiting flange can compress the sealing element, so that the limiting flange and the connecting piece are effectively sealed. In addition, because the retaining member is connected at the lower extreme that the insulating part passed the connecting piece, the insulating part of this department does not contact with the hot water in the water storage container, does not receive the influence of high temperature hot water, so can keep better structural strength, even the insulating part uses plastics to make, also can not take place to warp to can and realize reliable locking between the retaining member. The locking part can use a nut, a clamp spring and the like, and the locking part can be a thread or a clamp spring groove and the like.

Preferably, the locking member is a locking nut, and the locking part is a locking thread provided at a lower end of the insulating member.

Through above-mentioned technical scheme, lock nut and locking thread fit can lock gradually between spacing flange and the connecting piece to reduce the position accuracy between locking portion and the spacing flange.

Preferably, the insulating member is provided with a rotation preventing portion.

Through the technical scheme, the anti-rotation groove can be formed in the corresponding mounting through hole, and the anti-rotation groove and the anti-rotation part are matched to prevent relative rotation between the insulating part and the connecting part, so that the locking nut is convenient to mount. The anti-rotation groove and the anti-rotation part are polygonal, such as hexagonal.

The installation through hole can also be provided with no anti-rotation groove, and the anti-rotation part is clamped with a wrench and the like during installation to prevent rotation.

Preferably, the lower end of the rod body is provided with a fixed thread, and the fixed thread is screwed with the anode pressing block.

Through the technical scheme, the anode pressing block is arranged to tightly press the lead or the conducting strip connected with the anode of the protection circuit between the anode pressing block and the lower end of the insulating part, so that the rod body can be reliably electrically connected with the lead or the conducting strip. The fixing thread can extend into the insulator, so that on one hand, the connection strength between the rod body and the insulator is increased, and the insulator is prevented from axially sliding on the rod body; on the other hand, the anode pressing block can completely abut against the lower end of the insulating part.

Preferably, a sealing pressing block is arranged at the upper end of the insulating part, a sealing ring is arranged between the sealing pressing block and the upper end face of the insulating part, the sealing hoop is arranged on the rod body, and the sealing pressing block presses the sealing ring on the upper surface of the insulating part.

Through above-mentioned technical scheme, can prevent effectively that the water in the metal container from flowing out from the gap between barred body and the insulating part, lead to taking place the water leakage phenomenon.

Preferably, the connecting member is made of metal, a cathode conducting strip is arranged between the locking member and the connecting member, and an anode conducting strip is arranged between the anode pressing block and the lower end face of the insulating member.

Through the technical scheme, the connecting piece is made of metal, so that the connecting piece has better conductive capacity, and the protection power supply can be conveniently connected with the anode conducting strip and the cathode conducting strip respectively through the wires. The anode conducting strip can be directly conducted with the water storage container through a connecting piece made of metal, so that the water storage container is electrically connected with the power supply cathode. The anode conducting strip is directly conducted with the rod body, so that the rod body is electrically connected with the anode of the protection power supply.

Preferably, the outer side of the rod body is provided with an anti-corrosion coating.

Through the technical scheme, the anti-corrosion coating can improve the anti-corrosion capability of the rod body. The common water storage container is mainly corroded by chloride ions, when the rod body is communicated with the anode of the protection power supply, the chloride ions are adsorbed to the periphery of the rod body, the rod body is easily corroded, the anti-corrosion coating has good anti-corrosion capability, and the service life of the rod body can be prolonged.

The corrosion protection coating may use a titanium iridium coating as used in patent No. 201310359213.9.

Another object of the utility model is to provide a water container corrosion prevention device can be connected with water container comparatively conveniently to continuously protect water container.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a water container corrosion prevention device, includes above-mentioned electron positive pole, is provided with the connecting thread who is connected with water container on the connecting piece, still includes the protection power, and the positive pole and the barred body electricity of protection power are connected, and the negative pole and the connecting piece electricity of protection power are connected.

Through above-mentioned technical scheme, the connecting piece passes through connecting thread and water storage container and links to each other, and it is comparatively convenient that both connect, can install this electron anode on water storage container's drain during the installation, makes the barred body stretch into the water storage container inner chamber. After the connecting piece is installed on the water storage container, the water storage container is also communicated with the negative electrode of the protection power supply, so that the protection is achieved.

The protection power supply may use a battery or a power converter. The battery is used as a protection power supply, so that the battery is not easy to break down and get an electric shock, but needs to be replaced frequently. The time power converter of the power converter is connected with the mains supply, frequent replacement is not needed, the mains supply is used for supplying power, and the use cost is lower.

Preferably, the protection device further comprises a protection cover, the protection cover is connected to the lower end of the connecting piece, a circuit board is arranged in the protection cover, a socket is fixed on the circuit board, the positive pole of the socket is conducted with the anode conducting strip through a wire, the negative pole of the socket is conducted with the cathode conducting strip through a wire, and a plug matched with the socket is connected to the protection power supply.

Through above-mentioned technical scheme, the setting of safety cover can avoid the socket and expose outside with the direction that the conducting strip is connected etc..

Preferably, the device further comprises a working state indicator light, and two terminals of the working state indicator light are respectively and electrically connected with the rod body and the connecting piece.

Through above-mentioned technical scheme, when the barred body switched on and electrified with the positive pole of protection power supply, the negative pole of connecting piece and protection power supply switched on and electrified, this anticorrosive device can normally work, and two wiring ends of operating condition pilot lamp are connected with barred body and connecting piece electricity respectively, and when barred body and connecting piece were electrified, the both ends of corresponding operating condition pilot lamp were also electrified to the operating condition pilot lamp can be lighted, shows that this anticorrosive device is in operating condition. When the protection power supply does not work or any one of the rod body and the connecting piece is not electrified, the working state indicating lamp is not on, so that a user is prompted that the anticorrosion device is not in a working state.

Compared with the prior art, the beneficial effects of the utility model are that: through the change to the anode electrode structure to realize under the prerequisite of the same function, it is more convenient to process, facilitate promotion.

Drawings

FIG. 1 is an exploded view of the first embodiment;

FIG. 2 is a schematic cross-sectional view of the first embodiment;

FIG. 3 is a perspective view of a rod and insulator according to one embodiment;

FIG. 4 is a schematic cross-sectional view of a rod and insulator according to one embodiment;

FIG. 5 is a cross-sectional view of a connector according to one embodiment;

FIG. 6 is an enlarged view taken at A in FIG. 4;

FIG. 7 is an exploded view of the second embodiment;

FIG. 8 is a schematic sectional view of the second embodiment;

FIG. 9 is a schematic view of the second embodiment when mounted;

FIG. 10 is an exploded view of the third embodiment;

FIG. 11 is a schematic sectional view of a third embodiment;

FIG. 12 is an exploded view of the fourth embodiment;

fig. 13 is a schematic view of the structure of the lower end of the protective cover.

Reference numerals: 1. an insulating member; 2. a rod body; 3. a connecting member; 4. a limiting flange; 5. mounting a through hole; 6. a locking member; 7. a seal member; 8. locking the nut; 9. locking the threads; 10. a limiting groove; 11. a rotation prevention part; 12. fixing threads; 13. anode briquetting; 14. sealing and pressing the block; 15. a seal ring; 16. a cathode conductive sheet; 17. an anode conducting strip; 18. connecting threads; 19. protecting the power supply; 20. a power converter; 21. a protective cover; 22. a circuit board; 23. a plug; 24. a locking portion; 25. an electron anode; 26. a sewage draining outlet; 27. an anti-corrosion coating; 28. a socket; 29. a working state indicator light; 30. a ring-shaped light belt; 31. a placement groove; 32. and a gasket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

In one embodiment, an electron anode is provided,

as shown in FIGS. 1 to 3, an electron anode 25 comprises an insulating member 1, a rod 2 made of a conductive material, and a connecting member 3 for connecting with a water storage container. Wherein the barred body 2 can use corrosion resistant material such as titanium stick, graphite integrative setting, and the cladding of insulating part 1 is in the outside of barred body 2 lower part, and insulating part 1 is moulded plastics by plastics and forms, perhaps also can be by other insulating material cladding such as pottery outside of the barred body, separates barred body 2 and connecting piece 3, and barred body 2 and connecting piece 3 switch on when avoiding electrified. The lower end of the rod body 2 penetrates out of the lower end of the insulating part 1 and is used for being electrically connected with the positive pole of the protection power supply. The side of the insulating part 1 is provided with a limiting flange 4, the connecting part 3 is provided with a mounting through hole 5, and the insulating part 1 at the lower end of the limiting flange 4 can penetrate through the mounting through hole 5 from top to bottom. The insulation member 1 at the lower end of the limiting flange 4 is provided with a locking part 24, the locking part 24 penetrates through the mounting through hole 5 from top to bottom, and a locking part 6 is connected to the lower side of the mounting through hole 5. The locking member 6 fixes the insulating member 1 to the connecting member 3. Be provided with sealing member 7 between spacing flange 4 and the connecting piece 3, sealing member 7 can seal between spacing flange 4 and the connecting piece 3 upper surface, prevents that the water in the water storage container from leaking from the gap between spacing flange 4 and the connecting piece 3 upper surface after the installation. Because one section outside that stick 2 passed installation through-hole 5 is wrapped with insulating part 1 all the time, when 2 lower extremes of stick switched on, also can not take place to switch on between stick 2 and connecting piece 3 and the water storage container.

The locking member 6 is a locking nut 8 and the locking part 24 is a locking thread 9 provided at the lower end of the insulating member 1. When installing insulator 1 on connecting piece 3, penetrate sealing member 7 and installation through-hole 5 in with insulator 1 from connecting piece 3 top-down earlier, then twist lock nut 8 from connecting piece 3 below on locking screw 9, make lock nut 8 and 3 lower surfaces of connecting piece contradict, make simultaneously spacing flange 4 compress tightly sealing member 7 to make insulator 1 obtain fixed while and can obtain effective seal between the connecting piece 3. Because locking screw thread 9 sets up at insulating part 1 lower extreme, do not directly contact with the hot water in the water storage container to make locking screw thread 9 can keep better structural strength, can not take place to warp because of the effect of high temperature.

A limiting groove 10 for preventing rotation is arranged in the mounting through hole 5, and a rotation preventing part 11 matched with the limiting groove 10 in the mounting through hole 5 is arranged on the insulating piece 1. The cross sections of the limiting groove 10 and the anti-rotation part 11 are both polygonal, so that the insulating part 1 is prevented from rotating in the mounting hole, and the locking nut 8 is convenient to screw.

2 lower extremes of barred body are provided with fixed screw thread 12, and the spiro union has anode briquetting 13 on fixed screw thread 12, and when needs were connected with the power, the wire can twine on barred body 2 between anode briquetting 13 and the terminal surface under the insulating part 1, then through anode briquetting 13, will twine the direction on barred body 2 and compress tightly, guarantees the reliability of connecting.

The outer side surface of the rod body 2 is coated with an anti-corrosion coating 27, and the anti-corrosion coating 27 can be a titanium iridium coating used in patent No. 201310359213.9, so as to further improve the anti-corrosion capability and the service life of the rod body 2.

In addition, the upper end of the insulating part 1 is provided with a sealing pressing block 14, and the sealing pressing block 14 is sleeved on the rod body 2 and is in threaded connection with the rod body 2 or the upper end of the insulating part 1. A sealing ring 15 is arranged between the sealing pressing block 14 and the upper end face of the insulating part 1, the sealing ring 15 is hooped on the rod body 2, the sealing pressing block 14 presses the sealing ring 15 on the upper end face of the insulating part 1, so that a gap between the rod body 2 and the insulating part 1 is sealed, and water is prevented from leaking from the gap between the rod body 2 and the insulating part 1.

In order to facilitate connection with the protective power supply 19, a cathode conducting strip 16 is installed between the locking member 6 and the connecting member 3 so as to facilitate electrical connection of a lead wire with the connecting member 3. After the connecting piece 3 is installed on the water storage container, the connecting piece 3 is conducted with the water storage container, so that the water storage container is also communicated with the negative electrode of the protection power supply 19, and the water storage container is protected. An anode conducting strip 17 is arranged between the anode pressing block 13 and the lower end surface of the insulating piece 1 so as to facilitate the effective connection between the rod body 2 and the anode of the protection power supply 19.

Embodiment two, a water storage container corrosion prevention device,

as shown in fig. 7 to 9, an anticorrosion device for a water storage container includes a neutralizing electron anode 25 according to the first embodiment, and a connecting screw 18 connected with the water storage container is provided on a connecting member 3 of the electron anode 25. The power supply also comprises a protection power supply 19, and the protection power supply 19 is a low-voltage direct-current power supply. The anode of the protection power supply 19 is electrically connected with the anode conducting strip 17 through a lead, and the cathode of the protection power supply 19 is electrically connected with the cathode conducting strip 16. The protection power supply 19 may use a battery or may use a power converter 20, a power converter 20. The power converter 20 may be connected to the mains supply to convert the mains supply into a low-voltage dc current for output, thereby protecting the water storage container.

The anti-corrosion device further comprises a protective cover 21, the protective cover 21 is connected to the lower end of the connecting piece 3 through threads, a circuit board 22 is arranged in the protective cover 21, a socket 28 is fixed on the circuit board, and the socket 28 is electrically connected with the body 2 and the connecting piece 3 through a circuit on the circuit board 22. The anode conducting strip 17 is connected with the positive pole of the socket through a lead and the circuit board 22, and the cathode conducting strip 16 is connected with the negative pole of the socket 28 through a lead and the circuit board 22. Meanwhile, the protection power supply 19 is also connected with a plug 23 matched with the socket 22. The plug 23 is inserted into the socket 22 in the protective cover 21 from the outside of the protective cover 21. The rod body 2 and the connecting piece 3 can be conveniently connected or disconnected with the protective power supply 19 through the arrangement of the socket 22 and the plug 23. In addition, the protection power supply 19 is used for continuous and independent power supply, the water storage container in the water heater can be protected without modifying the internal circuit of the existing electric water heater, and the water storage container can be protected all the time without being influenced by the power-on and power-off state of the electric water heater.

The protective cover 21 is further provided with an operating state indicator light 29, and two terminals of the operating state indicator light 29 are respectively electrically connected with the rod body 2 and the connecting piece 3. When the rod body 2 and the connecting piece 3 are both electrified, the working state indicator lamp 29 is lightened, so that the user is prompted that the anti-corrosion device is in a working state, and when any one of the rod body 2 or the connecting piece 3 is not conducted with the protection power supply 19, the working state indicator lamp 29 is in a turned-off state, so that the user is prompted that the anti-corrosion device does not work normally.

As shown in figure 8, in use, the connector 3 can be mounted on the drain outlet 26 of the water storage container through the connecting screw thread 18. The lower end of the sewage draining exit 26 is pressed against the sealing element, so that the lower end of the sewage draining exit 26 and the connecting piece 3 are sealed. The upper end of the rod body 2 is inserted into the water storage container, and then the protection power supply 19 is electrically connected with the rod body 2 and the connecting piece 3 through the plug 23, so that the water storage container is protected. The device is convenient to use and install, can be directly installed in an original water storage container using a magnesium rod for corrosion prevention, realizes the protection of the water storage container and prolongs the service life of the water storage container.

EXAMPLE III an Electron Anode

As shown in fig. 10 and 11, the third embodiment is different from the first embodiment in that the sealing member 7 in the third embodiment is an O-ring, and the connecting member 3 is provided with a placement groove 31 for placing the O-ring. Meanwhile, the mounting through hole 5 in the third embodiment is not provided with the limiting groove 10. The anti-rotation part 11 in the third embodiment is arranged above the limit flange 4, and when the insulator 1 is mounted on the connecting piece 3, the anti-rotation part 11 is matched with a wrench, so that the rotation of the insulator 1 is limited. Meanwhile, a sealing gasket 32 is further arranged on the connecting piece 3, and during installation, the sealing gasket 32 is tightly pressed between the connecting piece 3 and the interface of the water outlet container, so that a sealing effect is achieved.

Fourth embodiment, a water storage container corrosion prevention device

As shown in fig. 12 and 13, the fourth embodiment is different from the second embodiment in that the electron anode 25 in the third embodiment is used in the fourth embodiment. Meanwhile, the working state indicator light 29 in the fourth embodiment is installed on the protective cover 21 in a snap-fit manner from the lower end of the protective cover 21, and the claw 33 is arranged at the edge of the working state indicator light 29. The operation status indicator lamp 29 is connected to the circuit board 22 by a wire (not shown). The operation status indicator lamp 29 is centrally provided with a through hole, and the plug 23 is inserted into the protective cover 21 through the through hole to be connected with the socket 28. The working state indicator light 29 is provided with the annular light strip 30, and the annular light strip 30 is used for displaying the working state of the anti-corrosion device and plays a role in prompting. When the rod body 2 is communicated with the positive electrode of the power supply and the connecting piece 3 is communicated with the negative electrode of the power supply, the anti-corrosion device works normally, and the annular lamp strip 30 emits light; when one of the rod body 2 or the connecting piece 3 is not communicated with the power supply, the anti-corrosion device does not work, and the annular lamp strip 30 does not emit light.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims (10)

1. An electronic anode comprises an insulating part (1), a rod body (2) made of a conductive material and a connecting part (3) connected with a water storage container, and is characterized in that: the utility model discloses a novel insulation rod, including the barred body (2), insulator (1) cladding is in barred body (2) lower part outside, insulator (1) lower extreme is worn out to barred body (2) lower extreme, insulator (1) side is provided with limit flange (4), installation through-hole (5) have been seted up on connecting piece (3), insulator (1) top-down of limit flange (4) lower extreme passes installation through-hole (5) and is connected with retaining member (6), insulator (1) lower extreme be provided with retaining member (6) complex locking portion (24), be provided with between limit flange (4) and connecting piece (3) sealing member (7).

2. An electronic anode according to claim 1, wherein: the locking piece (6) is a locking nut (8), and the locking part (24) is a locking thread (9) arranged at the lower end of the insulating piece (1).

3. An electronic anode according to claim 1, wherein: the insulating piece (1) is provided with an anti-rotation part (11).

4. An electronic anode according to claim 1, wherein: the lower end of the rod body (2) is provided with a fixed thread (12), and an anode pressing block (13) is screwed on the fixed thread (12).

5. An electronic anode according to claim 1, wherein: a sealing pressing block (14) is arranged at the upper end of the insulating part (1), a sealing ring (15) is arranged between the sealing pressing block (14) and the upper end face of the insulating part (1), the sealing ring (15) is hooped on the rod body (2), and the sealing pressing block (14) presses the sealing ring (15) on the upper surface of the insulating part (1).

6. An electronic anode according to claim 5, wherein: the connecting piece (3) is made of metal, a cathode conducting strip (16) is arranged between the locking piece (6) and the connecting piece (3), and an anode conducting strip (17) is arranged between the lower end face of the anode pressing block (13) and the lower end face of the insulating piece (1).

7. An electronic anode according to claim 1, wherein: an anti-corrosion coating (27) is arranged on the outer side of the rod body (2).

8. The utility model provides a water storage container corrosion prevention device which characterized by: the electronic anode comprises an electronic anode (25) as claimed in any one of claims 1 to 7, a connecting thread (18) connected with a water storage container is arranged on the connecting piece (3), and the electronic anode further comprises a protection power supply (19), wherein the anode of the protection power supply (19) is electrically connected with the rod body (2), and the cathode of the protection power supply (19) is electrically connected with the connecting piece (3).

9. The water storage container corrosion prevention device as claimed in claim 8, wherein: the protective cover is characterized by further comprising a protective cover (21), the protective cover (21) is connected to the lower end of the connecting piece (3), a circuit board (22) is arranged in the protective cover (21), a socket (28) is fixed on the circuit board (22), the positive pole of the socket (28) is conducted with the anode conducting strip (17) through a wire, the negative pole of the socket (28) is conducted with the cathode conducting strip (16) through a wire, and a plug (23) matched with the socket (28) is connected to the protective power supply (19).

10. The water storage container corrosion prevention device as claimed in claim 8, wherein: and the device also comprises an operating state indicator lamp (29).

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