CN207395851U - A kind of embedded Level monitor - Google Patents

A kind of embedded Level monitor Download PDF

Info

Publication number
CN207395851U
CN207395851U CN201721440689.5U CN201721440689U CN207395851U CN 207395851 U CN207395851 U CN 207395851U CN 201721440689 U CN201721440689 U CN 201721440689U CN 207395851 U CN207395851 U CN 207395851U
Authority
CN
China
Prior art keywords
water level
outer barrel
inner cylinder
sealing cover
level monitoring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201721440689.5U
Other languages
Chinese (zh)
Inventor
余锦和
董小杰
陈世真
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Point Cloud Data Technology Co Ltd
Original Assignee
Xiamen Point Cloud Data Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Point Cloud Data Technology Co Ltd filed Critical Xiamen Point Cloud Data Technology Co Ltd
Priority to CN201721440689.5U priority Critical patent/CN207395851U/en
Application granted granted Critical
Publication of CN207395851U publication Critical patent/CN207395851U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

The utility model is related to a kind of embedded Level monitors, including outer barrel, water level monitoring unit and sealing cover, the outer barrel is fixed on the below ground of water level to be monitored, the outer barrel is equipped with opening, the opening of outer barrel described in the seal cap sealing, and the water level monitoring unit is removably sealed in the outer barrel, the water level monitoring unit is used to monitor water level, the inner surface of the sealing cover is equipped with blind hole, contactless inductive switch is equipped in the blind hole, the contactless inductive switch is used to be triggered when sensing water level to be monitored reaches predetermined depth, and then the water level monitoring unit starting monitoring water level.The embedded Level monitor of the utility model has the advantages that can effectively ensure that the leakproofness after long-time service.

Description

A kind of embedded Level monitor
Technical field
The utility model is related to water level monitoring technology, more particularly to a kind of embedded Level monitor.
Background technology
When extreme weather, heavy rain, it may appear that road is flooded, garage water inlet etc. it is very serious the problem of.In city In the case that city's drainage system quickly can not solve the problems, such as waterlogging, inundated district that may be present is carried out timely to monitor and pre- Police just seems particularly significant.
The Chinese invention patent of Patent No. 201610957181.6 discloses a kind of ground pile type Level monitor, including Outer barrel, the outer barrel are fixed on when mounted in the mounting hole on the ground of water level to be monitored;Inner cylinder, the inner cylinder have one Opening, the inner cylinder are removably arranged in the outer barrel;Water level monitoring unit, the water level monitoring unit include Water level monitoring circuit, two be electrically connected with the water level monitoring circuit start contact and a ultrasonic probe, the water level monitoring Unit is mounted in the inner cylinder;And sealing cover, the opening sealing cooperation of the sealing cover and the inner cylinder are beautiful by described in Water level monitoring unit is sealed in the inner cylinder;Wherein, the sealing cover includes being arranged on a probe fixing groove of inner surface And two startup contact installation through-holes spaced apart, the ultrasonic probe are mounted in the probe fixing groove, described two A startup contact is sealingly mounted at described two startup contact installation through-holes and exposes to the upper surface of sealing cover respectively, works as appearance During ponding, this two start contact connection, and the water level monitoring unit starting proceeds by monitoring.
Ground pile type Level monitor disclosed in above-mentioned patent, two startup contacts installations spaced apart are logical on sealing cover Hole, above-mentioned ground pile type Level monitor contact directly to form closing of circuit circuit using conductive electric shock with ponding, and triggering starts Device.Above-mentioned ground pile type Level monitor is equipped with special startup contact installation through-hole, and after prolonged, there are water Penetrating into inside configuration from conductive electrode causes the possibility of circuit damage, i.e. leakproofness needs further improve.
Utility model content
Technical problem to be solved in the utility model is:A kind of insertion for ensureing the leakproofness after long-time service is provided Formula Level monitor.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of embedded Level monitor, including outer barrel, water level monitoring unit and sealing cover, the outer barrel is fixed In the below ground of water level to be monitored, the outer barrel is equipped with opening, the opening of outer barrel described in the seal cap sealing, and incite somebody to action The water level monitoring unit is removably sealed in the outer barrel, and the water level monitoring unit is described for monitoring water level The inner surface of sealing cover is equipped with blind hole, and contactless inductive switch, the contactless sensing are equipped in the blind hole Switch when sensing water level to be monitored reaches predetermined depth for being triggered, and then water level monitoring unit starting monitoring water Position.
Further, the contactless inductive switch is spring leaf inductive switch.
Further, inner cylinder is further included, the inner cylinder has an opening, and the inner cylinder is removably arranged installation In the outer barrel;The water level monitoring unit is sealed in the inner cylinder, and the sealing cover is arranged on the inner cylinder Opening, to seal the opening of the outer barrel.
Further, the water level monitoring unit includes water level monitoring circuit and ultrasonic probe, described contactless Inductive switch, ultrasonic probe are electrically connected respectively with the water level monitoring circuit, and the water level monitoring circuit is arranged on the inner cylinder In vivo, the inner surface of the sealing cover is equipped with probe fixing groove, and the ultrasonic probe is arranged in the probe fixing groove.
Further, the outer surface of the sealing cover is in the correspondence probe fixing groove and/or the position shape of the blind hole Into the region unit higher than other surfaces.
Further, mounting ring and at least one seal washer, the upper surface periphery formation of the sealing cover are further included Annular mounting portion with the mounting ring, the seal washer pad are arranged between the sealing cover and the outer barrel, the sealing The opening of lid and the outer barrel is sealed by the mounting ring to be coordinated.
Further, the thickness of the mounting ring is identical with the depth of the annular mounting portion.
Further, the outer barrel and inner cylinder be respectively provided with larger-diameter top, small diameter lower part and The supporting table formed in-between, the supporting table are equipped with several threaded holes, the inner cylinder and the outer barrel phase interworking Setting is closed, the inner cylinder and outer barrel are equipped with opening from top to bottom, and the inner cylinder is arranged by the opening of outer barrel Into in outer barrel.
Further, circuit fixes sleeve is further included, the water level monitoring unit is arranged in the circuit fixes sleeve, institute Circuit fixes sleeve is stated in the inner cylinder.
Further, power supply and elastic component are further included, the elastic component and power supply are respectively arranged at the interior of the inner cylinder Between the outer bottom of bottom and the circuit fixes sleeve, the power supply is electrically connected with the water level monitoring circuit.
The beneficial effects of the utility model are:
The embedded Level monitor of the utility model on sealing cover and is not provided with through hole, but is sealing cover Blind hole on inner surface is set, and the embedded water level of contactless inductive switch, as a result, the utility model is equipped in blind hole Monitoring device, contactless inductive switch is in running order usually, once the ponding above device sealing cover reaches Predetermined depth (depth for reaching ponding), inductive switch are just triggered and (product are equivalent to switch and is opened), and then water level is supervised It surveys unit just to start, remove detection depth of accumulated water and is sent out.The embedded Level monitor of the utility model, outer barrel It can be fully sealed between sealing cover, there is water to cause water from conductive electrode infiltration inside configuration after avoiding existing scheme long-time service Position monitoring device damage, has the advantages that can effectively ensure that the leakproofness after long-time service.
Description of the drawings
Fig. 1 is the Structure explosion diagram of the embedded Level monitor of the utility model embodiment;
Fig. 2 is the three-dimensional structure diagram of the sealing cover of the embedded Level monitor of the utility model embodiment;
Fig. 3 is that the sealing cover of the embedded Level monitor of the utility model embodiment and circuit fixes sleeve are integrally set Three-dimensional structure diagram after meter;
Fig. 4 is that the sealing cover of the embedded Level monitor of the utility model embodiment and circuit fixes sleeve are integrally set Another three-dimensional structure diagram after meter;
Fig. 5 is the structure chart after the embedded Level monitor installation of the utility model embodiment.
Label declaration:
1st, outer barrel;2nd, sealing cover;21st, blind hole;22nd, probe fixing groove;23rd, region unit;24th, annular mounting portion;3rd, Face;4th, inner cylinder;5th, mounting ring;6th, seal washer;71st, top;72nd, lower part;73rd, supporting table;8th, circuit fixes sleeve.
Specific embodiment
For the technology contents of the utility model, the objects and the effects are described in detail, below in conjunction with embodiment and match somebody with somebody Attached drawing is closed to be explained.
The design of the utility model most critical is:On sealing cover and through hole is not provided with, but is the interior table of sealing cover Blind hole on face is set, and contactless inductive switch is equipped in blind hole.
" embedded " in the embedded Level monitor of the utility model refers to:By Level monitor at least portion Divide and be mounted within road surface, i.e. after installation, the state on Level monitor and installation road surface includes:From by Level monitor Ground be arranged on installation road surface surface for starting, until entire Level monitor have fully embedded into installation road surface in entire mistake The structure setting of journey and, including 1/3 Level monitor insertion ground, 1/2 Level monitor insertion ground and The structure setting on the embedded ground of whole Level monitors.
It refer to Fig. 1-5, a kind of embedded Level monitor, including outer barrel 1, water level monitoring unit and sealing cover 2, The outer barrel 1 is fixed on the ground of water level to be monitored below 3, and the outer barrel 1 is equipped with opening, and the sealing cover 2 seals institute The opening of outer barrel 1 is stated, and the water level monitoring unit is removably sealed in the outer barrel 1, the water level monitoring For monitoring water level, the inner surface of the sealing cover 2 is equipped with blind hole 21, contactless sense is equipped in the blind hole 21 unit Inductive switch, the contactless inductive switch are used to be triggered when sensing water level to be monitored reaches predetermined depth, Jin Ersuo State water level monitoring unit starting monitoring water level.
As can be seen from the above description, the beneficial effects of the utility model are:
The embedded Level monitor of the utility model on sealing cover and is not provided with through hole, but is sealing cover Blind hole on inner surface is set, and the embedded water level of contactless inductive switch, as a result, the utility model is equipped in blind hole Monitoring device, contactless inductive switch is in running order usually, once the ponding above device sealing cover reaches Predetermined depth (depth for reaching ponding), inductive switch are just triggered and (product are equivalent to switch and is opened), and then water level is supervised It surveys unit just to start, remove detection depth of accumulated water and is sent out.The embedded Level monitor of the utility model, outer barrel It can be fully sealed between sealing cover, there is water to cause water from conductive electrode infiltration inside configuration after avoiding existing scheme long-time service Position monitoring device damage, has the advantages that can effectively ensure that the leakproofness after long-time service.
Further, the contactless inductive switch is spring leaf inductive switch.
Seen from the above description, contactless inductive switch can be disclosed any contactless in the prior art Inductive switch, for example, the contactless inductive switch for electric appliance touch tablet on the market, in another example commercially available spring leaf sense Inductive switch.
Further, inner cylinder 4 is further included, the inner cylinder 4 has an opening, and the inner cylinder 4 is removably arranged In 1 body of outer barrel;The water level monitoring unit is sealed in the inner cylinder 4, and the sealing cover 2 is arranged in described The opening of cylinder 4, to seal the opening of the outer barrel 1.
Seen from the above description, in a specific embodiment, above-mentioned inner cylinder can be set, inner cylinder is removably arranged In the outer barrel, water level monitoring unit is sealed in the opening that the inner cylinder interior sealing is covered on the inner cylinder Place, to seal the opening of the outer barrel, have the advantages that it is compact-sized, can further protect content water level monitoring unit.This Outside, in concrete structure design, there is gap between inner cylinder and outer barrel, ponding can enter the gap, with to the water level Monitoring unit radiates, it is ensured that it is worked normally.
Further, the water level monitoring unit includes water level monitoring circuit and ultrasonic probe, described contactless Inductive switch, ultrasonic probe are electrically connected respectively with the water level monitoring circuit, and the water level monitoring circuit is arranged on the inner cylinder In body 4, the inner surface of the sealing cover 2 is equipped with probe fixing groove 22, and the ultrasonic probe is arranged on the probe fixing groove In 22.
Seen from the above description, in a specific embodiment, can set above-mentioned including water level monitoring circuit and ultrasonic wave Probe water level monitoring unit, and ultrasonic probe is arranged in the probe fixing groove on the inner surface of sealing cover, it is contactless Inductive switch, ultrasonic probe are electrically connected respectively with the water level monitoring circuit, such as contactless inductive switch is spring During piece inductive switch, the end of spring is electrically connected with the related component on circuit board in spring leaf inductive switch;Work as sealing cover The ponding of top reaches predetermined depth (depth for reaching ponding), and the inductive switch being electrically connected with water level monitoring circuit is just touched Hair (is equivalent to product to switch and opens), and the ultrasonic probe being then electrically connected with water level monitoring circuit starts to start, and goes to detect Depth of accumulated water is simultaneously sent out.
Further, the outer surface of the sealing cover 2 is in the position of the correspondence probe fixing groove 22 and/or the blind hole 21 Put the region unit 23 to be formed higher than other surfaces.
Seen from the above description, the design of region unit, which has, ensures ultrasonic probe and/or contactless inductive switch Being not easy sand causes erroneous judgement and/or the water level monitoring unit to be not easy by error starting.
Further, mounting ring 5 and at least one seal washer 6 are further included, the upper surface periphery of the sealing cover 2 is formed The annular mounting portion 24 of the mounting ring is matched, the pad of seal washer 6 is arranged between the sealing cover 2 and the outer barrel 1, institute It states sealing cover 2 and the opening of the outer barrel 1 seals cooperation by the mounting ring 5.
Further, the thickness of the mounting ring 5 is identical with the depth of the annular mounting portion.
Seen from the above description, by mounting ring and at least one seal washer, it can be achieved that sealing cover is good with outer barrel Fastening and sealing.
Further, the outer barrel 1 and inner cylinder 4 are respectively provided with larger-diameter top 71, the lower part of small diameter 72 and the supporting table 73 that is formed in-between, the supporting table 73 is equipped with several threaded holes, the inner cylinder 4 with it is described outer The mutual cooperation setting of cylinder 1, the inner cylinder 4 and outer barrel 1 are equipped with opening from top to bottom, and the inner cylinder 4 is by outer The opening of cylinder 1 is arranged into outer barrel 1.
Seen from the above description, in a specific embodiment, the knot of above-mentioned specific outer barrel and inner cylinder can be used Structure designs, but the fit structure between it is without being limited thereto.
Further, circuit fixes sleeve 8 is further included, the water level monitoring unit is arranged in the circuit fixes sleeve 8, The circuit fixes sleeve 8 is arranged in the inner cylinder 4.
Seen from the above description, it is more highly preferred to, water level monitoring circuit can be mounted in circuit fixes sleeve, and circuit is consolidated Determine sleeve to be arranged in inner cylinder and pass through again.This structure is easily installed maintenance.
Further, power supply and elastic component are further included, the elastic component and power supply are respectively arranged at the interior of the inner cylinder Between the outer bottom of bottom and the circuit fixes sleeve, the power supply is electrically connected with the water level monitoring circuit.
Further, sealing cover 2 and circuit fixes sleeve 8 are integrally formed setting.
Seen from the above description, sealing cover has stabilized structure, good airproof performance with circuit fixes sleeve using being integrally designed The advantages of.Seal washer 6 can be sheathed on by the bottom of circuit fixes sleeve between sealing cover 2 and inner cylinder 1, good to realize Sealing.
Fig. 1-5 are refer to, the embodiment one of the utility model is:
The embedded Level monitor of the present embodiment, including outer barrel 1, water level monitoring unit, sealing cover 2, inner cylinder 4th, mounting ring 5, circuit fixes sleeve 8, power supply, elastic component and at least one seal washer 6, as shown in figure 5, the outer barrel 1 The ground of water level to be monitored is fixed below 3, and h shown in Fig. 5 is depth of accumulated water, as shown in Figure 1, the outer barrel 1 and inner cylinder 4 An opening from top to bottom is equipped with, and outer barrel 1 and inner cylinder 4 are respectively provided with larger-diameter top 71, small diameter Lower part 72 and the supporting table 73 that is formed in-between, the supporting table 73 be equipped with several threaded holes, the inner cylinder 4 with The outer barrel 1, which cooperates, to be set, and the inner cylinder 4 is arranged by the opening of outer barrel 1 into outer barrel 1;Sealing cover 2 Upper surface periphery forms the annular mounting portion 24 for matching the mounting ring, the seal washer 6 pad be arranged on the sealing cover 2 with it is described Between outer barrel 1, the opening of the sealing cover 2 and the inner cylinder 4 is sealed by the mounting ring 5 to be coordinated, so as to sealing The opening of the outer barrel 1.Can be with further reference to Fig. 3-4, sealing cover 2 and circuit fixes sleeve 8 are integrally formed settings, seal Washer 6 can be sheathed on by the bottom of circuit fixes sleeve between sealing cover 2 and outer barrel 1, to realize good sealing.Installation The thickness of ring 5 is identical with the depth of the annular mounting portion.The water level monitoring unit includes water level monitoring circuit and ultrasonic wave Probe, the water level monitoring circuit are arranged in the circuit fixes sleeve 8, and the circuit fixes sleeve 8 is arranged on the inner cylinder 4 It is interior.Elastic component and power supply are respectively arranged between the interior bottom of the inner cylinder and the outer bottom of the circuit fixes sleeve, institute Power supply is stated to be electrically connected with the water level monitoring circuit.The inner surface of the sealing cover 2 is equipped with blind hole 21 and probe fixing groove 22, The outer surface of the sealing cover 2 is formed in the position of the correspondence probe fixing groove 22 and/or the blind hole 21 higher than other tables The region unit 23 in face.Contactless inductive switch is equipped in the blind hole 21, the contactless inductive switch is spring Piece inductive switch, the contactless inductive switch, ultrasonic probe are electrically connected respectively with the water level monitoring circuit, described Water level monitoring circuit is arranged in the inner cylinder 4, and the ultrasonic probe is arranged in the probe fixing groove 22.Work as depth of accumulated water When h reaches predetermined depth, the contactless inductive switch is triggered after sensing water level to be monitored so that with water level monitoring electricity The ultrasonic probe of road electrical connection starts to start, from bottom surface below depth of accumulated water and be sent out to bottom surface with detecting up, into And the water level monitoring unit starting monitoring water level.
In conclusion embedded Level monitor provided by the utility model, using sensing Starting mode, circuit is complete It is sealed in discord monitoring object in device to contact directly, has the advantages that can effectively ensure that the leakproofness after long-time service.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Equivalents made based on the specification and figures of the utility model are directly or indirectly used in relevant technology neck Domain is equally included in the patent within the scope of the utility model.

Claims (10)

1. a kind of embedded Level monitor, including outer barrel, water level monitoring unit and sealing cover, the outer barrel is fixed on The below ground of water level to be monitored, the outer barrel are equipped with opening, the opening of outer barrel described in the seal cap sealing, and by institute It states water level monitoring unit to be removably sealed in the outer barrel, the water level monitoring unit is used to monitor water level, feature It is, the inner surface of the sealing cover is equipped with blind hole, and contactless inductive switch is equipped in the blind hole, described non-contact The inductive switch of formula is used to be triggered when sensing water level to be monitored reaches predetermined depth, and then the water level monitoring unit starting Monitor water level.
2. embedded Level monitor according to claim 1, which is characterized in that the contactless inductive switch For spring leaf inductive switch.
3. embedded Level monitor according to claim 1, which is characterized in that further include inner cylinder, the inner cylinder Body has an opening, and the inner cylinder is removably arranged in the outer barrel;The water level monitoring unit is sealed in In the inner cylinder, the sealing cover is arranged on the opening of the inner cylinder, to seal the opening of the outer barrel.
4. embedded Level monitor according to claim 3, which is characterized in that the water level monitoring unit includes water Position observation circuit and ultrasonic probe, the contactless inductive switch, ultrasonic probe are electric with the water level monitoring respectively Road is electrically connected, and the water level monitoring circuit is arranged in the inner cylinder, and the inner surface of the sealing cover is equipped with probe fixing groove, The ultrasonic probe is arranged in the probe fixing groove.
5. embedded Level monitor according to claim 4, which is characterized in that the outer surface of the sealing cover is in right The position of the probe fixing groove and/or the blind hole is answered to form the region unit higher than other surfaces.
6. according to the embedded Level monitor described in claim 1-5 any one, which is characterized in that further include mounting ring With at least one seal washer, the upper surface periphery of the sealing cover forms the annular mounting portion for matching the mounting ring, described close Seal washer pad is arranged between the sealing cover and the outer barrel, and the opening of the sealing cover and the outer barrel passes through the peace Fill ring sealing cooperation.
7. embedded Level monitor according to claim 6, which is characterized in that the thickness of the mounting ring with it is described The depth of annular mounting portion is identical.
8. embedded Level monitor according to claim 3, which is characterized in that the outer barrel and inner cylinder difference With larger-diameter top, the lower part of small diameter and the supporting table formed in-between, if the supporting table is equipped with Dry threaded hole, the inner cylinder cooperate with the outer barrel and set, and the inner cylinder and outer barrel are equipped with from top to bottom Opening, the inner cylinder is arranged by the opening of outer barrel into outer barrel.
9. embedded Level monitor according to claim 4, which is characterized in that further include circuit fixes sleeve, institute Water level monitoring unit is stated in the circuit fixes sleeve, the circuit fixes sleeve is arranged in the inner cylinder.
10. embedded Level monitor according to claim 9, which is characterized in that further include power supply and elastic component, institute It states elastic component and power supply is respectively arranged between the interior bottom of the inner cylinder and the outer bottom of the circuit fixes sleeve, it is described Power supply is electrically connected with the water level monitoring circuit.
CN201721440689.5U 2017-11-01 2017-11-01 A kind of embedded Level monitor Active CN207395851U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721440689.5U CN207395851U (en) 2017-11-01 2017-11-01 A kind of embedded Level monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721440689.5U CN207395851U (en) 2017-11-01 2017-11-01 A kind of embedded Level monitor

Publications (1)

Publication Number Publication Date
CN207395851U true CN207395851U (en) 2018-05-22

Family

ID=62328126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721440689.5U Active CN207395851U (en) 2017-11-01 2017-11-01 A kind of embedded Level monitor

Country Status (1)

Country Link
CN (1) CN207395851U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111982355A (en) * 2020-07-28 2020-11-24 湖北清江水电开发有限责任公司 Dry body temperature furnace convenient to detect

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111982355A (en) * 2020-07-28 2020-11-24 湖北清江水电开发有限责任公司 Dry body temperature furnace convenient to detect

Similar Documents

Publication Publication Date Title
US20200263343A1 (en) Water-free washing machine between inner and outer barrels
CN207395851U (en) A kind of embedded Level monitor
CN107655545A (en) A kind of ground pile type Level monitor and water level monitoring method
CN208833271U (en) A kind of sensor with water-proof function
CN108107401A (en) A kind of uncap detection method and intelligent meter based on intelligent meter
CN208030935U (en) Cooking apparatus with water tank
CN207627272U (en) A kind of Multifunctional dust collecting box
CN203771886U (en) Refrigerator body of refrigerator and refrigerator
CN205539101U (en) Dampproofing ammeter case
CN204128630U (en) There is the leakage detector that profit differentiates function
CN213601822U (en) Waterproof electric leakage circuit breaker shell
CN106285280A (en) The capacitance type sensor anti-pinch detection device of sliding door
CN108445273A (en) Intelligent meter box
CN209709300U (en) Socket
CN207798204U (en) A kind of mounting structure of capacitance water level sensor
CN206462834U (en) A kind of soy bean milk making machine
CN203706309U (en) Waterproof intelligent water meter
CN208905259U (en) A kind of novel electric appliance control cabinet
CN208658832U (en) A kind of liquid heater
CN106017597A (en) Novel downhole water meter controller
CN206039818U (en) Intelligent remote controller mounting structure
CN208175140U (en) A kind of safety device of Logistics networks equipment
CN207096304U (en) A kind of ammeter box watertight panel structure
CN204102799U (en) The anti-dumping switch of electronic switch waterproof
CN205755182U (en) A kind of intelligence instrument housing and the waterproof construction of gas meter, flow meter table body

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant