CN220543446U - Electric automatization operation fault alarm device - Google Patents
Electric automatization operation fault alarm device Download PDFInfo
- Publication number
- CN220543446U CN220543446U CN202321430218.1U CN202321430218U CN220543446U CN 220543446 U CN220543446 U CN 220543446U CN 202321430218 U CN202321430218 U CN 202321430218U CN 220543446 U CN220543446 U CN 220543446U
- Authority
- CN
- China
- Prior art keywords
- box body
- alarm device
- push rod
- temperature control
- control push
- 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
Links
- 239000012530 fluid Substances 0.000 claims description 14
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 9
- 229910052753 mercury Inorganic materials 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000000246 remedial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Emergency Alarm Devices (AREA)
Abstract
The utility model provides an electric automatic operation fault alarm device, which relates to the technical field of electric fault alarm and comprises: the box body is provided with an exhaust port at one side, an exhaust fan and a temperature control push rod are arranged in the box body, the temperature control push rod is positioned at the air outlet side of the exhaust fan, the temperature control push rod is pushed out or retracted along with the temperature in the box body, and an alarm device and a power supply device are fixedly arranged at the outer side of the box body; the alarm device and the temperature control push rod are respectively and electrically connected with the power supply device, contact switches are respectively arranged on the alarm device and the temperature control push rod, and when the temperature control push rod is in contact with the contact switches of the alarm device, the alarm device alarms. According to the utility model, the temperature control push rod synchronously changes along with the temperature change of the electrical equipment, so that when the fault temperature of the electrical equipment reaches a critical value, the temperature control push rod can synchronously enable the two contact switches to contact and alarm without going through a transmission process, the alarm response to the fault is more timely, the alarm delay is lower, the device structure is lighter, and the installation is convenient.
Description
Technical Field
The utility model relates to the technical field of electric fault alarming, in particular to an electric automatic operation fault alarming device.
Background
The electric engineering and the automation related professional fields are closely related to daily life and industrial production of people, so the development is very rapid in recent years, and the electric engineering and the automation related professional fields become an important component part of high and new technology products and are widely applied to various fields of industry, agriculture and the like.
The wide application of the electric automation equipment not only effectively improves the efficiency of various production activities, but also reduces the labor intensity of staff, but in the long-term working and use process of the electric automation equipment, faults such as line short circuit and the like are easy to occur, safety accidents are easy to occur, and in order to be convenient for timely finding out the faulty equipment, a shipping fault alarm device is required to be added.
The conventional operation fault alarm device in the market at present has large volume and inconvenient installation; and the induction speed is low, so that the fault degree of the electrical equipment is inconvenient to judge in time, and effective and targeted remedial measures are difficult to take.
For example, chinese patent CN210865048U published by 2020-02-23 describes an electric automatic operation fault alarm device, which controls a clamping block to be clamped in a clamping groove through a motor screw structure, so that an alarm element alarms, and a driving element motor and a transmission structure screw both occupy a large volume space, resulting in inconvenient use and installation; moreover, the triggering structure of the alarm element in the prior art acts slowly, and takes a long time from the start of driving the screw rod by the motor to the butt joint of the clamping block and the clamping groove, so that the alarm delay is higher.
Disclosure of Invention
The utility model aims to provide an electric automatic operation fault alarm device which can alarm an electric automatic operation fault in time, effectively reduces alarm delay, and is light in size and convenient to install;
the utility model provides an electric automatization operation fault alarm device, comprising: the box body is provided with an exhaust port at one side, an exhaust fan and a temperature control push rod are arranged in the box body, the temperature control push rod is positioned at the air outlet side of the exhaust fan, the temperature control push rod is pushed out or retracted along with the temperature in the box body, and an alarm device and a power supply device are fixedly arranged at the outer side of the box body; the alarm device and the temperature control push rod are respectively and electrically connected with the power supply device, contact switches are respectively arranged on the alarm device and the temperature control push rod, and when the temperature control push rod is in contact with the contact switches of the alarm device, the alarm device alarms.
Further, the temperature control push rod comprises a fixed pipe, a piston rod and a thermal expansion fluid, wherein the fixed pipe is fixed in the box body, the piston rod is connected with the fixed pipe in a sliding mode, the contact switch is arranged at the outer end of the piston rod, and the thermal expansion fluid is filled between the fixed pipe and the piston rod in a sealing mode.
Further, the thermal expansion fluid is mercury liquid.
Further, a temperature display is arranged on the outer side of the box body, and a thermometer connected with the temperature display is arranged in the box body.
Further, the thermometer is fixedly connected with a fixed disk outside, a first rubber ring is adhered to the bottom end of the fixed disk, a plurality of connecting holes are formed in the fixed disk, and a plurality of bolts are respectively inserted into the connecting holes and penetrate through the first rubber ring to be in threaded connection with the box body.
Further, a wind outlet tunnel is arranged on one side of the box body away from the air suction opening.
Further, a second rubber ring is adhered to the periphery of the air suction opening on the side face of the box body, and the second rubber ring is used for connecting the box body with air holes of equipment to be tested.
Further, a plurality of ear plates are arranged on the side face of the periphery of the air suction opening on the box body, and the ear plates are used for connecting the box body with the periphery of the air holes of the equipment to be tested.
Further, the box body is of a funnel-shaped cavity structure.
Further, the alarm device comprises a support and a buzzer alarm, wherein the support is fixed on the outer side of the box body, the buzzer alarm is fixed on the support, and the buzzer alarm is connected with the contact switch.
According to the technical scheme, air in the electrical equipment is pumped into the box body through the exhaust fan, the temperature control push rod gradually stretches out along with gradual temperature rise, and the contact switch is pushed to the contact switch of the alarm device, so that when the temperature reaches a preset fault alarm value, the two contact switches are immediately contacted, and the circuit is connected with the alarm device to give an alarm. In this device, the temperature control push rod changes with electrical equipment's temperature change and synchronous, so when electrical equipment fault temperature reached the critical value, the temperature control push rod can make two contact switch contact alarms in step, and need not go through the transmission process, so the alarm response to the trouble is more timely, and alarm delay is lower, and the device structure is lighter and handier, simple to operate.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic drawing of the air extraction side structure of the present utility model;
FIG. 2 is a schematic view of the structure of the air outlet side of the present utility model;
FIG. 3 is a schematic view of a temperature control push rod according to the present utility model;
FIG. 4 is a schematic diagram of a temperature display according to the present utility model;
FIG. 5 is a schematic view of a funnel-shaped cavity in a case of the present utility model;
reference numerals illustrate:
the device comprises a 1-box body, a 101-air suction opening, a 102-air outlet tunnel, a 2-air suction fan, a 3-temperature control push rod, a 301-fixed tube, a 302-piston rod, 303-thermal expansion fluid, a 4-alarm device, a 401-support, a 402-buzzer alarm, a 5-power supply device, a 6-contact switch, a 7-temperature display, a 701-thermometer, a 702-fixed disc, a 703-first rubber ring, a 704-connecting hole, a 705-bolt, an 8-second rubber ring and a 9-wire.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1 to 3, the present utility model provides an electric automatization operation failure alarm device, comprising: the box body 1, one side of the box body 1 is provided with an exhaust port 101, the box body 1 is internally provided with an exhaust fan 2 and a temperature control push rod 3, the temperature control push rod 3 is positioned at the air outlet side of the exhaust fan 2, the temperature control push rod 3 is pushed out or retracted along with the temperature in the box body 1, and the outside of the box body 1 is fixedly provided with an alarm device 4 and a power supply device 5; the alarm device 4 and the temperature control push rod 3 are respectively connected with the power supply device 5 through electric wires 9, the alarm device 4 and the temperature control push rod 3 are respectively provided with a contact switch 6, and when the temperature control push rod 3 is in contact with the contact switch 6 of the alarm device 4, the alarm device 4 alarms.
Specifically, the box body 1 is used for being connected with electrical equipment, when in use, the box body 1 is fixedly installed on the outer wall of one side of the electrical equipment provided with the air holes through bolts 705 and the like, the air holes are positioned on the inner side of the box body 1 and are opposite to the exhaust fan 2, and when the electrical equipment works, the exhaust fan 2 is started to suck the air in the electrical equipment into the box body 1. The power supply device 5 is specifically a battery case.
The temperature control push rod 3 is driven by the air temperature in the electrical equipment, and correspondingly stretches out or withdraws towards the contact switch 6 of the alarm device 4, for example, when the air temperature rises by Gao Re dryness, the temperature control push rod 3 stretches out for a plurality of lengths synchronously; when the air temperature is reduced by a plurality of degrees, the temperature control push rod 3 is synchronously retracted by a plurality of lengths, namely the expansion and contraction change of the temperature control push rod 3 is synchronous with the air temperature change in the electrical equipment. So that when the temperature of the air in the electrical equipment approaches the fault temperature value (preset value), the temperature control push rod 3 has pushed the contact switch 6 to approach the contact switch 6 of the alarm device 4; when the air temperature in the electrical equipment reaches the fault temperature value, the temperature control push rod 3 immediately pushes the contact switch 6 of the contact switch 6 to contact the contact switch 6 of the alarm device 4, so that a circuit with the power supply device 5 is connected, and the alarm device 4 alarms.
If the temperature control push rod 3 is to be prevented from being excessively stretched to crush the alarm device 4 or the contact switch 6 on the alarm device 4, on the one hand, a limit check ring and the like can be arranged in the temperature control push rod 3 to limit the maximum stretching amount of the temperature control push rod not to exceed the connection positions of the two contact switches 6, or the alarm device 4 is connected with the contact switches 6 on the temperature control push rod through a spring buffer material, so that the excessive stretching amount of the temperature control push rod 3 possibly generated along with the continuous rising of the air temperature in the electrical equipment is reserved.
Example 2
As shown in fig. 1-3, the temperature control push rod 3 comprises a fixed pipe 301, a piston rod 302 and a thermal expansion fluid 303, wherein the fixed pipe 301 is fixed in the box body 1, the piston rod 302 is connected with the fixed pipe 301 in a sliding manner, the contact switch 6 is arranged at the outer end of the piston rod 302, and the thermal expansion fluid 303 is filled between the fixed pipe 301 and the piston rod 302 in a sealing manner. The thermal expansion fluid 303 is mercury liquid. The alarm device 4 comprises a support 401 and a buzzer alarm 402, wherein the support 401 is fixed on the outer side of the box body 1, the buzzer alarm 402 is fixed on the support 401, and the buzzer alarm 402 is connected with the contact switch 6.
Specifically, the piston rod 302 is movably inserted into the fixed tube 301 to form a piston telescopic structure, and the fixed tube 301 is filled with a thermal expansion fluid 303 and sealed by the piston rod 302. When the temperature of the air in the electrical device changes, the temperature of the thermal expansion fluid 303 changes with the change in volume, thereby driving the piston rod 302 to extend or retract.
In particular, the fixed tube 301 is a glass tube, and the thermal expansion fluid 303 is mercury liquid, so as to form a mercury column structure, such as a mercury thermometer, etc., which expands in volume with temperature change, so as to drive the piston rod 302 to perform telescopic motion. The outer end of the piston rod 302 is fixedly connected with a contact switch 6 for contacting the contact switch 6 on the alarm device 4 to complete the circuit. The bottom of the fixed tube 301 is connected with the box body 1 in an embedded manner, the top of the piston rod 302 penetrates through the box body 1 in a sliding manner and is positioned on the inner side of the support 401, and the piston rod 302 stretches out to contact with the contact switch 6, so that the buzzer alarm 402 can sound to give an alarm.
The support 401 is fixedly arranged at the top of the box body 1 in a welding mode, a buzzer alarm 402 is fixedly arranged in the middle of the top end of the support 401, a contact switch 6 is connected under the buzzer alarm 402, and an alarm assembly can conveniently give an alarm in time when the operation of electrical equipment fails.
Example 3
As shown in fig. 1-2 and 4, a temperature display 7 is provided on the outside of the case 1, and a thermometer 701 connected to the temperature display 7 is provided in the case 1. The thermometer 701 is fixedly connected with a fixed disk 702 outside, a first rubber ring 703 is adhered to the bottom end of the fixed disk 702, a plurality of connecting holes 704 are formed in the fixed disk 702, and a plurality of bolts 705 are respectively inserted into the connecting holes 704 and penetrate through the first rubber ring 703 to be in threaded connection with the box body 1.
Specifically, the bottom of thermometer 701 runs through box body 1 and extends to in box body 1, carries out the temperature measurement to the air temperature in the box body 1, and the upper end outside of thermometer 701 is connected with fixed disk 702 through welded mode, and the bottom terminal surface paste of fixed disk 702 is connected with first rubber circle 703, and four connecting holes 704 have been seted up to the inside of fixed disk 702 in the annular, and four positioning bolt 705 peg graft respectively in four connecting holes 704 of fixed disk 702 inside, and positioning bolt 705 is threaded connection with the connected mode of box body 1, utilizes the setting of four positioning bolt 705, the fixed mounting and the dismantlement of thermometer 701 of being convenient for. The temperature display 7 is utilized to facilitate real-time feedback and monitoring of the temperature inside the electrical equipment. The first rubber ring 703 seals the box 1, so that the air in the box 1 and the external air are not mixed, and the influence on the temperature measurement accuracy of the thermometer 701 is avoided.
Example 4
As shown in fig. 1-3 and 5, a wind outlet tunnel 102 is arranged on one side of the box body 1 away from the air suction opening 101. The interior of the box body 1 is of a funnel-shaped cavity structure.
Specifically, the box body 1 forms an air channel through the air suction opening 101 and the air outlet tunnel 102, so that air in the electrical equipment to be tested cannot flow back and accumulate in the box body 1, and the detection accuracy and timeliness of the thermometer 701 are prevented from being influenced. Meanwhile, the interior of the box body 1 is in a funnel-shaped cavity structure, so that air sucked by the exhaust fan 2 flows towards the air outlet tunnel 102 in a polymerization way, and the temperature control push rod 3/mercury liquid is opposite to the middle of the funnel-shaped cavity, so that the mercury liquid can be subjected to synchronous thermal expansion change along with the air temperature more timely.
Example 5
As shown in fig. 1, a second rubber ring 8 is adhered to the side surface of the box body 1 located at the periphery of the air suction opening 101, and the second rubber ring 8 is used for connecting the box body 1 with air holes of equipment to be tested. A plurality of ear plates are arranged on the side face of the periphery of the box body 1, which is positioned at the exhaust port 101, and the ear plates are used for connecting the periphery of the box body 1 with the ventilation holes of the equipment to be tested.
Specifically, through the setting of second rubber circle 8, conveniently seal between box body 1 air extraction port 101 and the peripheral outer wall of electrical equipment bleeder vent. Four ear plates are arranged around the side surfaces of the periphery of the box body 1, ear holes are arranged on the ear plates, the device is fixed on the outer wall of the electrical equipment through the ear plates,
the working principle of the device is as follows:
when the device is used, the box body 1 is fixedly arranged on the outer wall of one side of the electric equipment provided with the air holes through the bolts 705, the air holes are positioned on the inner side of the box body 1 and are opposite to the exhaust fan 2, when the electric equipment works, the exhaust fan 2 is started, air in the electric equipment is pumped into the box body 1, when the temperature is too high, mercury liquid in glass fixation can be heated and expanded, the piston rod 302 can be pushed to slowly move upwards, when the contact switch 6 at the top of the piston rod 302 is in contact with the contact switch 6 of the alarm device 4, the buzzer alarm 402 can give out a pungent alarm after line communication, the induction is timely, and the fault alarm is rapid.
After the buzzer alarm 402 senses the fault and gives an alarm, maintenance personnel can primarily observe the temperature value inside the equipment through the index display of the temperature display 7, so that the maintenance personnel can primarily judge the severity of the fault inside the equipment, and the maintenance speed is faster by adopting a corresponding processing mode and remedial measures according to the severity of the fault of the electrical equipment.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. An electrical automated operational fault alarm device, comprising:
the box body is provided with an exhaust port at one side, an exhaust fan and a temperature control push rod are arranged in the box body, the temperature control push rod is positioned at the air outlet side of the exhaust fan, the temperature control push rod is pushed out or retracted along with the temperature in the box body, and an alarm device and a power supply device are fixedly arranged at the outer side of the box body;
the alarm device and the temperature control push rod are respectively and electrically connected with the power supply device, contact switches are respectively arranged on the alarm device and the temperature control push rod, and when the temperature control push rod is in contact with the contact switches of the alarm device, the alarm device alarms.
2. The electrical automated operational failure warning device of claim 1, wherein the temperature control push rod comprises a fixed tube, a piston rod and a thermal expansion fluid, the fixed tube is fixed in the box body, the piston rod is connected with the fixed tube in a sliding manner, the contact switch is arranged at the outer end of the piston rod, and the thermal expansion fluid is filled between the fixed tube and the piston rod in a sealing manner.
3. The electrical automated operational fault warning device of claim 2, wherein the thermal expansion fluid is mercury fluid.
4. The electric automatic operation fault alarm device according to claim 1, wherein a temperature display is arranged on the outer side of the box body, and a thermometer connected with the temperature display is arranged in the box body.
5. The electric automatic operation fault alarm device according to claim 4, wherein a fixing disc is fixedly connected to the outer side of the thermometer, a first rubber ring is adhered to the bottom end of the fixing disc, a plurality of connecting holes are formed in the fixing disc, and a plurality of bolts are respectively inserted into the connecting holes and penetrate through the first rubber ring to be in threaded connection with the box body.
6. The electrical automation operation fault alarm device of claim 1, wherein a wind outlet channel is arranged on one side of the box body away from the air suction opening.
7. The electric automatic operation fault alarm device according to claim 1, wherein a second rubber ring is adhered to the side surface of the box body, which is located at the periphery of the air suction opening, and the second rubber ring is used for connecting the box body with air holes of equipment to be tested.
8. The electric automatic operation fault alarm device according to claim 7, wherein a plurality of ear plates are arranged on the box body and positioned on the side face around the exhaust port, and the ear plates are used for connecting the box body with the periphery of the ventilation holes of the equipment to be tested.
9. The electrical automated operational fault alarm device of claim 1, wherein the interior of the case is a funnel-shaped cavity structure.
10. The electrical automation operation fault alarm device according to claim 1, wherein the alarm device comprises a bracket and a buzzer alarm, the bracket is fixed on the outer side of the box body, the buzzer alarm is fixed on the bracket, and the buzzer alarm is connected with the contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430218.1U CN220543446U (en) | 2023-06-06 | 2023-06-06 | Electric automatization operation fault alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430218.1U CN220543446U (en) | 2023-06-06 | 2023-06-06 | Electric automatization operation fault alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220543446U true CN220543446U (en) | 2024-02-27 |
Family
ID=89971460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321430218.1U Active CN220543446U (en) | 2023-06-06 | 2023-06-06 | Electric automatization operation fault alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220543446U (en) |
-
2023
- 2023-06-06 CN CN202321430218.1U patent/CN220543446U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220543446U (en) | Electric automatization operation fault alarm device | |
| CN216951082U (en) | Hydraulic telescopic rod with oil leakage alarm function | |
| CN208076108U (en) | Door and window heat insulating ability detecting system | |
| CN207280891U (en) | High temperature and high pressure environment impact wear testing machine | |
| CN113514206A (en) | Fire prevention valve leaks amount of wind detection device | |
| CN218720705U (en) | Offshore booster station shore-based remote heating and ventilation device with leakage self-checking function | |
| CN213180244U (en) | Waterproof testing arrangement of ultrasonic water meter | |
| CN112692388B (en) | Electric spark machining fixture for acoustic emission sensor | |
| CN213544001U (en) | Reciprocating sealing test bed | |
| CN113776751A (en) | Oil cylinder leakage detection process and detection equipment thereof | |
| CN110553155B (en) | Drainage pipe leak hunting device for municipal administration | |
| CN217716837U (en) | Leakage detection device | |
| CN212907206U (en) | Fault self-display cable | |
| CN105466646A (en) | Medical catheter leakage detector | |
| CN216483655U (en) | Low-power consumption pressure gauge | |
| CN214148457U (en) | Constant temperature and constant pressure water chilling unit | |
| CN215414267U (en) | Sealing alarm device for sterility detection isolator | |
| CN212586756U (en) | Oil level temperature controller for transformer | |
| CN217484229U (en) | Testing arrangement of sealing ring temperature toleration | |
| CN221123604U (en) | Air temperature sensor using stainless steel shell | |
| CN220819347U (en) | Leakage detection device | |
| CN218211758U (en) | Leakage detection device of high-temperature fluid pump | |
| CN215722604U (en) | High-precision leakage detection device for heat supply pipeline | |
| CN201302490Y (en) | Thermocouple thermometer | |
| CN221040211U (en) | Integrated water leakage alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |