CN208477389U - Make-up water supply control system, water replanishing device and climatic chamber - Google Patents
Make-up water supply control system, water replanishing device and climatic chamber Download PDFInfo
- Publication number
- CN208477389U CN208477389U CN201821309099.3U CN201821309099U CN208477389U CN 208477389 U CN208477389 U CN 208477389U CN 201821309099 U CN201821309099 U CN 201821309099U CN 208477389 U CN208477389 U CN 208477389U
- Authority
- CN
- China
- Prior art keywords
- water
- relay
- power supply
- switch
- coil
- 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
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model provides a kind of make-up water supply control system, water replanishing device and climatic chamber, it is related to the technical field of climatic chamber, the make-up water supply control system includes power supply, the first relay, water pump, the second relay and the time relay, the second contact sets and water pump in power supply, the first relay are sequentially connected, the zero line side of one end connection power supply of second switch in second relay, one end connection of delay coil in the other end and the time relay of second switch, the zero line of the other end connection power supply for the coil that is delayed；The zero line of one end connection power supply of delay switch in the time relay; the other end of delay switch is connect with one end of the first coil in the first relay; the other end of first coil and the zero line side of power supply connect; it solves climatic chamber and lacks automatic water-replenishing device; artificial recharge is time-consuming and laborious; labor intensive working hour more technical problem can realize autostop after water pump water supply.
Description
Technical field
The utility model relates to the technical fields of climatic chamber, fill more particularly, to a kind of make-up water supply control system, moisturizing
It sets and climatic chamber.
Background technique
In recent years as Environmental protection is paid attention to further, vehicle exhaust is as a kind of air pollution source, it is especially desirable to
It is concerned and improves.Country is also through tight emission regulation is constantly added, to control air pollution caused by improving vehicle exhaust.
For the test of vehicle exhaust PM, mainstream test at present is through existing detection device in the environment of constant temperature and humidity, to examination
PM filtering filter paper before testing and after test is weighed, and is calculated by the weight difference of front and back, to obtain vehicle exhaust
Middle PM content.Stability requirement accordingly, for filter paper institute storage environment is higher, is usually PM filtering filter by climatic chamber
Paper provides stable environment, and ensure to test front and back PM filtering filter paper quality with this is not influenced by temperature and humidity variation.
Used climatic chamber does not have automatic water-replenishing device now, and it is alert that acousto-optic is only generated when humidifying bucket water shortage
Report, reminding staff is the humidification manual moisturizing of bucket, and there are certain hysteresis quality, especially non-person works for this operation
Time (to guarantee that this equipment internal environment is stablized, when general this equipment work 24 hours normally opened), employee can not have found to warn in time
Report in time cannot be the humidification bucket moisturizing of climatic chamber, and then influences the stabilization of climatic chamber interior humidity, by
This causes vehicle exhaust PM test data to be distorted.
In addition, the humidification bucket of climatic chamber generallys use artificial recharge, lack automatic water-replenishing device, and passes through water pump
Carry out moisturizing needs personnel to control pump working state in time according to water level situation again, when water level is lower in humidification bucket, needs
Control water pump unlatching, when humidify bucket in water level it is higher when, need to switch off the pump in time, thus expend occupy manpower working hour compared with
It is more.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of make-up water supply control system, water replanishing device and constant temperature and humidities
Case lacks automatic water-replenishing device to alleviate climatic chamber existing in the prior art, and artificial recharge is time-consuming and laborious, water pump moisturizing
It needs manually according to water pump for water level control working condition, labor intensive working hour more technical problem.
In a first aspect, make-up water supply control system provided by the embodiment of the utility model, comprising: power supply, the first relay, water
Pump, the second relay and the time relay, power supply, the second contact sets of first switch in the first relay and water pump successively connect
It connects, the zero line side of one end connection power supply of the second switch in the second relay, the other end and the time relay of second switch
In delay coil one end connection, the coil that is delayed the other end connection power supply zero line；Delay in the time relay is opened
The zero line of one end connection power supply of pass, the other end of delay switch are connect with one end of the first coil in the first relay,
The other end of first coil and the zero line side of power supply connect.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, second switch is in parallel with the first contact sets of first switch in the first relay.
The possible embodiment of with reference to first aspect the first, the utility model embodiment provide the of first aspect
Two kinds of possible embodiments, wherein the both ends of the second contact sets of the first switch in the first relay are separately connected power supply
And water pump, the zero line side of one end connection power supply of the first contact sets, the other end of the first contact sets and one end of first coil connect
It connects, the other end of first coil and one end of delay switch connect, the zero line of the other end connection power supply of delay switch.
The possible embodiment of second with reference to first aspect, the utility model embodiment provide the of first aspect
Three kinds of possible embodiments, wherein the power end of the second coil and boiler alarm in the second relay connects.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, master switch is set between power supply and the second contact sets, and one end of master switch connects power supply, the other end connection second of master switch
Contact sets.
The 4th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Five kinds of possible embodiments, wherein the first contact sets and the equal one end of second switch are connect with one end of emergency stop switch, anxious
The zero line side of the other end connection power supply of guard's valve.
Second aspect, water replanishing device provided by the embodiment of the utility model, comprising: the moisturizing of water tank and first aspect offer
The water outlet of control system, water pump is connected to radiator fluid.
In conjunction with second aspect, the utility model embodiment provides the first possible embodiment of second aspect,
In, water replanishing device further includes water level sensor, and water level sensor is arranged in water tank, the signal end and water shortage report of water level sensor
The signal end connection of alert device.
In conjunction with the first possible embodiment of second aspect, the utility model embodiment provides the of second aspect
Two kinds of possible embodiments, wherein water level sensor is static pressure type liquid sensor, and static pressure type liquid sensor is fixedly connected on water
The lower end of box inner wall.
The third aspect, climatic chamber provided by the embodiment of the utility model, the water replanishing device provided including second aspect.
The utility model embodiment brings following the utility model has the advantages that make-up water supply control system provided by the embodiment of the utility model
Including power supply, the first relay, water pump, the second relay and the time relay, power supply, first switch in the first relay
Second contact sets and water pump are sequentially connected, and the zero line side of one end connection power supply of the second switch in the second relay, second opens
One end connection of delay coil in the other end and the time relay of pass, the firewire of the other end connection power supply for the coil that is delayed
End；The zero line of one end connection power supply of delay switch in the time relay, the other end of delay switch and the first relay
In first coil one end connection, the zero line side of the other end of first coil and power supply connects.It can by second switch closure
So that the delay coil of the time relay is powered, to realize that delay switch is closed, and then make the First Line in the first relay
Circle is connected with power supply, by conducting inside the first relay of first coil power control, to realize that water pump is connected with power supply.
Second relay receives water shortage electric signal and maintains First Line by the time relay so that second switch be made to be closed
The delay time of the time relay is arranged to maintain the starting state of water pump in the on state of circle and power supply, i.e., controllable water
Autostop after automatic water-supply and water pump water supply may be implemented without manually persistently guarding in pump work duration.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in order to illustrate more clearly of specific embodiment of the present invention or in the related technology, below will be right
Attached drawing needed in specific embodiment or description of Related Art is briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the make-up water supply control system basic structure schematic diagram that the utility model embodiment one provides；
Fig. 2 is the make-up water supply control system concrete structure schematic diagram that the utility model embodiment one provides；
Fig. 3 is the water replanishing device structural schematic diagram that the utility model embodiment two provides.
Icon: 1- power supply；The first relay of 2-；21- first switch；The first contact sets of 211-；The second contact sets of 212-；
22- first coil；3- water pump；The second relay of 4-；41- second switch；The second coil of 42-；The 5- time relay；51- delay
Switch；52- delay coil；6- master switch；7- emergency stop switch；8- water tank；9- water level sensor.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the make-up water supply control system basic structure schematic diagram that the utility model embodiment one provides；Fig. 2 is that this is practical new
The make-up water supply control system concrete structure schematic diagram that type embodiment one provides；Fig. 3 is the moisturizing that the utility model embodiment two provides
Apparatus structure schematic diagram.
Embodiment one
As depicted in figs. 1 and 2, make-up water supply control system provided by the embodiment of the utility model, power supply 1, the first relay 2,
Water pump 3, the second relay 4 and the time relay 5, the second contact sets 212 of power supply 1, first switch 21 in the first relay 2
It is sequentially connected with water pump 3, the zero line side of one end connection power supply 1 of the second switch 41 in the second relay 4, second switch 41
The other end is connect with one end of the delay coil 52 in the time relay 5, the firewire of the other end connection power supply 1 of delay coil 52
End；The zero line of one end connection power supply 1 of delay switch 51 in the time relay 5, the other end of delay switch 51 and first
One end of first coil 22 in relay 2 connects, and the other end of first coil 22 is connect with the zero line side of power supply 1.
Specifically, power supply 1 is connected by the second contact sets 212 in the first relay 2 with water pump 3, by adjusting first
The open and-shut mode of relay 2 can control the work of water pump 3 or stop.
Second switch 41 is connected with the delay coil 52 in the time relay 5,41 closing or opening of second switch, can be changed
Be delayed coil 52 energized state, be delayed coil 52 energization when, delay coil 52 to delay switch 51 generate suction-operated, by
This makes delay switch 51 switch to closed state.
The time relay 5 refers to that output circuit need to pass through defined standard after being added or removing the action signal of input
The true time just generates great-jump-forward and changes or a kind of relay of contact action, first in delay switch 51 and the first relay 2
Coil 22 is connected, so that the of short duration closure of second switch 41, delay switch 51 will be held when the second relay 4 is controlled by electric signal
Continuous a period of time is kept closed, and then first coil 22 is made to be powered, and the first relay 2 uses electromagnetic relay open in usual,
When first coil 22 is powered, power supply 1 and water pump 3 is connected in the first relay 2, and water pump 3 carries out water delivery work；Certain time
Afterwards, delay switch 51 disconnects automatically, and no current circulation, the first relay 2 make shape between power supply 1 and water pump 3 in first coil 22
At open circuit, so that water pump 3 be made to stop water delivery work.
It should be noted that the composition and working principle of the time relay 5 has been known technology, so, in this specification not
It repeats again；In addition, the second coil 42 in the second relay 4 is connect with the power end of water insufficiency alarm device, thus in water shortage,
Second coil 42 is powered, and is closed second switch 41.Usual water insufficiency alarm device only carries out short time warning note, and thus the
42 short time of two coil is powered, and second switch 41 disconnects automatically when the second coil 42 powers off, and can pass through the time relay 5 at this time
By 22 constant conduction of first coil, and then realize that first switch 21 is persistently closed.
3 certain time of water pump carries out automatic water conveying, and after a certain period of time, delay switch 51 disconnects, first coil for water delivery
22 power-off, the second contact sets 212 disconnect, and then water pump 3 is automatically stopped.And then solve in traditional water delivery operation, open water pump 3
Personnel need lasting guard afterwards, and according to water delivery water switch off the pump 3 the problem of, may be implemented to be automatically closed after water pump 3 is opened,
And then 3 opening time of water pump is certain, carrying capacity is certain, keeps an eye on without personnel, realizes quantitative water delivery.
In the utility model embodiment, the first contact of second switch 41 and the first switch 21 in the first relay 2
Group 211 is in parallel.When first switch 21 is closed, second switch 41 can be shorted by the first contact sets 211 of first switch 21, thus
Have an impact the state of second switch 41 no longer to the energized state of delay coil 52, i.e., delay switch 51 is kept for certain time
Closure, water pump 3 are opened, and second switch 41 is on circuit state without influence during this period.
The both ends of second contact sets 212 of the first switch 21 in the first relay 2 are separately connected power supply 1 and water pump 3, the
Two contact sets 212 include two contact switch, and one end of two contact switch is separately connected the zero line side and zero line of power supply 1,
The other end of two contact switch is separately connected two power -line terminals of water pump 3；One end of first contact sets 211 connects power supply
The other end of 1 zero line side, the first contact sets 211 is connect with one end of first coil 22, the other end of first coil 22 with prolong
One end of Shi Kaiguan 51 connects, the zero line of the other end connection power supply 1 of delay switch 51.Wherein, the first contact sets 211,
One coil 22 and delay switch 51 are series at power supply 1, and delay switch 51 keeps certain time closed state, inside first coil 22
It is powered, to ensure the closed state of the first contact sets 211；The closure of first contact sets 211 makes the energization shape of first coil 22
State is only controlled by the state of delay switch 51.
Specifically, power supply 1 passes through the delay line that second switch 41 is in the time relay 5 when second switch 41 is closed
Circle 52 is powered, and then is closed the delay switch 51 in the time relay 5, and delay switch 51 and first coil 22 are series at power supply
1, electric current, which flows through first coil 22, is connected the first switch 21 in the first relay 2 by electromagnetic induction, passes through first switch
Power supply 1 and water pump 3 are connected the second contact sets 212 in 21, and then water pump 3 is made to start to work.
The second coil 42 in second relay 4 is connect with the power end of boiler alarm, when needing moisturizing, water shortage alarm
Device is of short duration to power alarm, second switch 41 it is thus achieved that closed state to the switching of off-state, 51 He of delay switch at this time
First switch 21 is closed state, and the second relay 4 is shorted by the first contact sets 211, the first contact sets 211, first coil
22 and delay switch 51 be series at power supply 1, the energized state of first coil 22 is only controlled by the open and-shut mode of delay switch 51.Prolong
During Shi Kaiguan 51 is closed, power supply 1 and water pump 3 are connected the second contact sets 212, and water pump 3 carries out water delivery work；Work as delay switch
51 reach setting time disconnect when, first coil 22 power off, and then first switch 21 disconnect, thus make between water pump 3 and power supply 1
Open circuit is formed, water pump 3 stops water delivery, so that water pump 3 be made to carry out the water delivery work of certain time automatically, operates water pump without personnel
3 close.
In another optional embodiment of the utility model embodiment, the power end of the second coil 42 and boiler alarm
Connection, usual water-storing device is equipped with boiler alarm, and when water level is lower, the power end of boiler alarm is powered, and then makes
Boiler alarm generates sound and light signal, prompt person moisturizing.Thus the power end of the second coil 42 and boiler alarm can be connected
It connects, when water-storing device water level is lower, the second coil 42 is powered simultaneously with boiler alarm, after the second coil 42 is powered, second
Switch 41 is closed, and power supply 1 makes time relay by the energization of delay coil 52 that second switch 41 is in the time relay 5
Delay switch 51 in device 5 is closed, and electric current, which flows through first coil 22, makes first switch in the first relay 2 by electromagnetic induction
21 conductings, power supply 1 and water pump 3 are connected by the second contact sets 212 in the first relay 2, and then water pump 3 is made to start work
Make, water-storing device is replenished to enough water levels during delay switch 51 is closed.After a certain period of time, delay switch 51 is from dynamic circuit breaker
It opens, water pump 3 stops working, and so as to avoid, water level is excessively high in water-storing device or overflows.
In addition, can be adapted by the delay time of the alarm water level and the time relay 5 that adjust boiler alarm, in turn
During delay switch 51 is closed, water-storing device is filled just, thus reduces the alarm frequency of boiler alarm.
It is arranged in another optional embodiment of the utility model embodiment, between power supply 1 and the second contact sets 212 total
Switch 6, one end of master switch 6 connect power supply 1, and the other end of master switch 6 connects the second contact sets 212.Power supply 1 and the first relay
Series connection master switch 6 between the second contact sets 212 in device 2, the first relay 2, water pump 3, the second relay can be made by disconnecting master switch 6
Device 4 and the time relay 5 are disconnected with power supply 1, and then halt system works.
In another optional embodiment of the utility model embodiment, the first contact sets 211 and second switch 41 are equal
One end is connect with one end of emergency stop switch 7, and the zero line side of the other end connection power supply 1 of emergency stop switch 7, usual master switch 6 is set
It sets in one end close to power supply 1, emergency stop switch 7 is arranged in moisturizing operation field, so that Field Force can lead in time as needed
It crosses operation emergency stop switch 7 and disconnects the power supply of first switch 21 and the second relay 4, to quickly stop 3 water delivery of water pump.
Embodiment two
As shown in figure 3, water replanishing device provided by the embodiment of the utility model, comprising: the benefit of water tank 8 and the offer of embodiment one
Water control system, the water outlet and water tank 8 of water pump 3 are in fluid communication.
Specifically, the water inlet of water pump 3 is connected to reservoir, when water level is lower in water tank 8, passes through make-up water supply control system
Water pump 3 can be achieved within a certain period of time continuously to 8 inside water delivery of water tank, so that water tank 8 be filled.
It should be noted that can be according to the delay time of the volume adjustment time relay 5 of water tank 8, to change water pump 3
Single run duration, and then adjust water delivery water.
In the utility model embodiment, water replanishing device further includes water level sensor 9, and water level sensor 9 is arranged in water tank 8
Interior, the signal end of water level sensor 9 and the signal end of boiler alarm connect, when water level is lower in water tank 8, water level sensor
9 signal end generates electric signal, so that controlling boiler alarm generates sound and light signal, with this can prompt person know water tank 8
Water level information.
In one optional embodiment of the utility model embodiment, water level sensor 9 is static pressure type liquid sensor, static pressure
Formula liquid sensor is fixedly connected on the lower end of 8 inner sidewall of water tank, when the water level in water tank 8 is higher, suffered by static pressure type liquid sensor
Pressure is larger, and pressure conversion is electric signal by static pressure type liquid sensor, so that the controller for connecting static pressure type liquid sensor be made to obtain
To the normal signal of water level；When the reduction of static pressure type liquid sensor pressure, then illustrate water level decreasing in water tank 8, when in water tank 8
When water level decreasing is to threshold level, the controller of connection static pressure type liquid sensor can control boiler alarm to generate sound and light signal；
Further, since the signal of static pressure type liquid sensor is related to the height of water level of water tank 8, and then work as the signal of static pressure type liquid sensor
When reaching threshold value, the water deficit of water tank 8 is constant, and the delay time and static pressure type liquid sensor of regulating time relay 5 are in water tank 8
Interior fitting depth is adapted, and be can be realized and is just filled water tank 8 during delay switch 51 is closed.
Embodiment three
Climatic chamber provided in this embodiment, can be with by water replanishing device including the water replanishing device that embodiment two provides
Automatic water supplement is realized to the humidification bucket of climatic chamber, and then solves climatic chamber and needs personnel to guard in use,
Periodically to humidify bucket moisturizing the technical issues of.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of make-up water supply control system characterized by comprising power supply (1), the first relay (2), water pump (3), the second relay
Device (4) and the time relay (5), the second contact of the first switch (21) in the power supply (1), first relay (2)
Group (212) and the water pump (3) are sequentially connected,
One end of second switch (41) in second relay (4) connects the zero line side of the power supply (1), and described second opens
The other end for closing (41) is connect with one end of the delay coil (52) in the time relay (5), the delay coil (52)
The other end connect the zero line of the power supply (1)；
One end of delay switch (51) in the time relay (5) connects the zero line of the power supply (1), and the delay is opened
The other end for closing (51) is connect with one end of the first coil (22) in first relay (2), the first coil (22)
The other end connect with the zero line side of the power supply (1).
2. make-up water supply control system according to claim 1, which is characterized in that the second switch (41) with described first after
The first contact sets (211) of first switch (21) in electric appliance (2) are in parallel.
3. make-up water supply control system according to claim 2, which is characterized in that first in first relay (2) opens
The both ends for closing second contact sets (212) of (21) are separately connected the power supply (1) and the water pump (3), first contact sets
(211) one end connects the zero line side of the power supply (1), the other end of first contact sets (211) and the first coil
(22) one end connection, the other end of the first coil (22) are connect with one end of the delay switch (51), the delay
The other end for switching (51) connects the zero line of the power supply (1).
4. make-up water supply control system according to claim 3, which is characterized in that the second line in second relay (4)
Circle (42) is connect with the power end of boiler alarm.
5. make-up water supply control system according to claim 3, which is characterized in that the power supply (1) and second contact sets
(212) master switch (6) are set between, one end of the master switch (6) connects the power supply (1), the master switch (6) it is another
End connects second contact sets (212).
6. make-up water supply control system according to claim 5, which is characterized in that first contact sets (211) and described
The equal one end of two switches (41) is connect with one end of emergency stop switch (7), and the other end of the emergency stop switch (7) connects the electricity
The zero line side in source (1).
7. a kind of water replanishing device characterized by comprising water tank (8) and moisturizing described in any one of claims 1-6 control system
System, the water outlet of the water pump (3) and the water tank (8) are in fluid communication.
8. water replanishing device according to claim 7, which is characterized in that further include water level sensor (9), the level sensor
In the water tank (8), the signal end of the water level sensor (9) and the signal end of boiler alarm are connected for device (9) setting.
9. water replanishing device according to claim 8, which is characterized in that the water level sensor (9) is static pressure type liquid sensing
Device, the static pressure type liquid sensor are fixedly connected on the lower end of the water tank (8) inner sidewall.
10. a kind of climatic chamber, which is characterized in that including the described in any item water replanishing devices of claim 7-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821309099.3U CN208477389U (en) | 2018-08-14 | 2018-08-14 | Make-up water supply control system, water replanishing device and climatic chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821309099.3U CN208477389U (en) | 2018-08-14 | 2018-08-14 | Make-up water supply control system, water replanishing device and climatic chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208477389U true CN208477389U (en) | 2019-02-05 |
Family
ID=65208485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821309099.3U Active CN208477389U (en) | 2018-08-14 | 2018-08-14 | Make-up water supply control system, water replanishing device and climatic chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208477389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138308A (en) * | 2019-06-24 | 2019-08-16 | 浙江幸福航天科技有限公司 | Motor operation control circuit and motor operation system |
| CN114010137A (en) * | 2021-11-03 | 2022-02-08 | 中山大学肿瘤防治中心 | Anti-fogging and anti-pollution endoscope |
-
2018
- 2018-08-14 CN CN201821309099.3U patent/CN208477389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110138308A (en) * | 2019-06-24 | 2019-08-16 | 浙江幸福航天科技有限公司 | Motor operation control circuit and motor operation system |
| CN114010137A (en) * | 2021-11-03 | 2022-02-08 | 中山大学肿瘤防治中心 | Anti-fogging and anti-pollution endoscope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9035617B2 (en) | Control system for a flow cell battery | |
| CN208477389U (en) | Make-up water supply control system, water replanishing device and climatic chamber | |
| CN106990362A (en) | A kind of emergency power supply Temperature/Humidity Control System | |
| CN105045305A (en) | Transformer oil temperature monitoring system with temperature prediction function | |
| CN108983104B (en) | Online capacity calculation method based on battery open circuit voltage method | |
| CN201312067Y (en) | Prefabricated substation utilizing temperature and humidity automatic control system | |
| CN207196955U (en) | High water tank control system and device | |
| CN117134467B (en) | Gas flowmeter power management method, system and equipment based on Internet of things | |
| CN106012986A (en) | Solar-powered intelligent gate remote measurement and control system | |
| CN106939627A (en) | A kind of intelligent lift pumping station system | |
| CN209877103U (en) | Heat exchange station intelligence PLC switch board | |
| CN207032376U (en) | A kind of intelligent lift pumping station system | |
| CN208253968U (en) | A kind of multi-functional leakage guarantor power supply line control system | |
| CN102829563A (en) | Automatic water supplying and breaking system of solar water heater | |
| CN110440136A (en) | A kind of fuel gas pressure-regulating box automatic constant-temperature control system | |
| CN210688884U (en) | Circulating water control system | |
| CN109433287A (en) | A kind of cooling water tank with heat preservation temperature controlling function | |
| CN112953000B (en) | Smart community microgrid and new energy combined energy-saving power supply method | |
| CN210483676U (en) | Control protection system for on-load starting of high-pressure water injection pump | |
| CN209282864U (en) | A kind of electric quantity detection apparatus and power supply system | |
| CN216592282U (en) | Energy-saving system of solar water heating system and constant-temperature water supply system | |
| CN112075392A (en) | Intelligent young silkworm co-breeding room | |
| CN218120667U (en) | Intermediate frequency furnace water route alarm system | |
| CN206306243U (en) | A kind of new concrete curing system | |
| CN208999496U (en) | A kind of kilowatt-hour meter phase sequence automatic regulating apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |