CN209044401U - A kind of constant temperature and humidity machine with automatic water supplement function - Google Patents
A kind of constant temperature and humidity machine with automatic water supplement function Download PDFInfo
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- CN209044401U CN209044401U CN201821916336.2U CN201821916336U CN209044401U CN 209044401 U CN209044401 U CN 209044401U CN 201821916336 U CN201821916336 U CN 201821916336U CN 209044401 U CN209044401 U CN 209044401U
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Abstract
The utility model relates to test equipment technical fields, in particular to a kind of constant temperature and humidity machine with automatic water supplement function, to reduce the problem of having an impact because of reliability of the water shortage to the performance test results, the utility model includes body, it is installed on the intracorporal water tank of machine, its drip irrigation device is to be connected on the water tank for the water supply pipe to moisturizing in water tank, solenoid valve is installed on the water supply pipe, it is provided in the water tank low in water tank for detecting, high threshold water level simultaneously controls solenoid valve and opens, the control assembly closed, the automatic water level addition that water tank is monitored and realized to the water level in water tank is realized by control assembly, improve the reliability of the performance test results.
Description
Technical field
The utility model relates to test equipment technical field, in particular to a kind of constant temperature and humidity with automatic water supplement function
Machine.
Background technique
Constant temperature and moisture test machine is also known as simulated environmental test machine, and reliability, precision and stability are particularly important, is used for
To emulation industrial circle part, key fitment, semi-finished product, such as: electronic component, auto parts, notebook computer.Plasthetics,
Instrument, food, vehicle, chemistry, building materials, space flight, medical treatment etc. product carry out Quality Detection, and product as described above is all that have can
It can (high/low temperature operation, storage, temperature cycles, high temperature and humidity, low temperature be low under conditions of special environment or temperature humidity combine
Wet, moisture condensation experiment etc.) it works, whether the adaptability of testing product itself and characteristic change and reliability and temperature and humidity ring
Border test.
To maintain the humidity in constant temperature and humidity machine, essential is exactly the water tank for holding water, and is that holding machine is intracorporal
Placement is isolated in leakproofness, water tank usually in body, in use, staff is needed to need often observation cistern water level height,
And water is added to water tank in time, to ensure that equipment runs well, once staff is careless and inadvertent, do not add in time into water tank
Water then will affect the normal work of constant temperature and humidity machine, so that the reliability to the performance test results has an impact.
Utility model content
The purpose of the utility model is to provide a kind of constant temperature and humidity machines with automatic water supplement function, to the water level in water tank
It is monitored and realizes the automatic water level addition of water tank.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of constant temperature and humidity machine with automatic water supplement function, including body, it is installed on the intracorporal water tank of machine, the water tank
On be connected with for the water supply pipe to moisturizing in water tank, solenoid valve is installed, setting is useful in the water tank on the water supply pipe
In low, high threshold water level in detection water tank and control the control assembly that solenoid valve opens and closes.
By using above-mentioned technical proposal, the intracorporal humidity of machine keeps needing to provide sufficient water in water tank, passes through control
Component detects the water level in water tank, and when the water level in water tank is in Low threshold water level, control assembly opens solenoid valve,
Water supply pipe moisturizing into water tank；When the water level in water tank increases to high threshold water level, is controlled by control assembly and close electromagnetism
Valve stops continuing the moisturizing into water tank, is monitored to the water level in water tank to realize and realizes that the automatic water level of water tank adds
Add, improves the reliability of the performance test results.
The utility model is further arranged to: the control assembly include the first connecting plate for being installed on water tank side wall and
Second connecting plate is fixedly connected with gag lever post, covers on the gag lever post between first connecting plate and second connecting plate
Equipped with the floating ring floated on the water surface, be provided between the floating ring and the first connecting plate for detect low level threshold from
And the low level detection components of opens solenoid valve, it is provided between the floating ring and the second connecting plate for detecting high water level threshold value
To close the high-order detection components of solenoid valve.
By using above-mentioned technical proposal, since floating ring floats on the water surface, therefore the height change of floating ring is water
The height variation of position, when floating ring is fallen to close to the first connecting plate, low level detection components are triggered, and solenoid valve is opened；When
When floating ring is floated up to close to the first connecting plate, high-order detection components are triggered, and solenoid valve is closed.
The utility model is further arranged to: the gag lever post is vertically arranged.
By using above-mentioned technical proposal, the gag lever post being vertically arranged is further reduced the movement routine of levitation, reduces
The mobile space of floating ring, improves the Trigger Efficiency of floating ring.
The utility model is further arranged to: the horizontal cross-section of the gag lever post be it is rectangular, the floating ring internal ring wall supports
It is connected to gag lever post.
By using above-mentioned technical proposal, the rotational motion of floating ring is limited by the gag lever post of rectangular setting,
To be further reduced the setting area of low level detection components and high-order detection components, the gravity being applied on floating ring is reduced.
The utility model is further arranged to: the low level detection components include being fixedly connected on floating ring lower surface
First flat thin magnet, is coupled to prolonging for open type tongue tube at the open type tongue tube being fixedly connected on the first connecting plate upper surface
When the power-down circuit and switching circuit that is coupled to circuit capable of delaying disconnection and is serially connected in solenoid valve current supply circuit.
By using above-mentioned technical proposal, when the first flat thin magnet on floating ring triggers open type tongue tube, open type
Reed switch conduction, circuit capable of delaying disconnection obtain trigger signal, and output end exports high level signal, and switching circuit receives high level
Trigger signal after the current supply circuit of solenoid valve is connected, water supplying pipe supplies water into water tank, since the delay of circuit capable of delaying disconnection is disconnected
Electro ultrafiltration, even if switching circuit continues the effect for being held on solenoid valve, therefore solenoid valve after floating ring floats with the addition of dampening
It realizes and persistently adds water, until triggering the cutting that high-order detection components realize solenoid valve current supply circuit.
The utility model is further arranged to: the switching circuit includes:
NPN triode Q1, base stage are coupled to the output end of circuit capable of delaying disconnection, emitter ground connection；
Relay KM1, including coil and normally open contact, coil tandem is in the collector and direct current of NPN triode Q1
Between VCC, normally open contact is serially connected in the current supply circuit of solenoid valve；
Sustained diode 1, anode are coupled to the collector of NPN triode Q1, and cathode is coupled to direct current VCC.
By using above-mentioned technical proposal, when the trigger circuit of circuit capable of delaying disconnection output high level, NPN triode Q1
Conducting, circuit conducting where the coil of relay KM1, the coil of relay KM1 obtain electric, the normally open contact closure of relay KM1,
The current supply circuit of solenoid valve is connected.
The utility model is further arranged to: the high position detection components include being fixedly connected on floating ring upper surface
Second flat thin magnet, the normally closed dry reed pipe being fixedly connected on the second connecting plate lower surface are coupled to normally closed dry reed pipe and are used for
Cut off the trigger circuit of solenoid valve current supply circuit.
By using above-mentioned technical proposal, when floating ring is moved near the second connecting plate with the water level of floating, the
Two flat thin magnets trigger normally closed dry reed pipe and disconnect, and trigger circuit cuts off the current supply circuit of solenoid valve, and water supply pipe stops into water tank
Continue moisturizing.
The utility model is further arranged to: the trigger circuit includes:
PNP triode Q2, base stage are coupled to the output end of normally closed dry reed pipe, emitter ground connection；
Relay KM2, including coil, the first normally closed interlock and the second normally closed interlock, coil tandem is in PNP triode Q2
Collector and direct current VCC between, the first normally closed interlock is serially connected in the current supply circuit of solenoid valve, the second normally closed interlock
It is serially connected with the reset terminal of circuit capable of delaying disconnection；
Sustained diode 2, anode are coupled to the collector of PNP triode Q2, and cathode is coupled to direct current VCC.
By using above-mentioned technical proposal, after normally closed dry reed pipe disconnects, PNP triode Q2 is on state, relay
The coil of device KM2 obtains electric, the first normally open contact of relay KM2 and the disconnection of the second normally open contact, the current supply circuit quilt of solenoid valve
Cutting, and circuit capable of delaying disconnection resets, solenoid valve fixation is in an off state, and waits the triggering of next low level detection components.
In conclusion the utility model has the following beneficial effects:
The water level in water tank is detected by control assembly, and moisturizing in-pipe flow is realized in the starting for controlling solenoid valve
On-off control realizes that the automatic addition of water in water tank improves the reliability of the performance test results without manually checking.
Detailed description of the invention
Fig. 1 is the partial sectional view of the present embodiment, mainly shows the connection relationship between water tank and body；
Fig. 2 is the cross-sectional view of water tank in the present embodiment, mainly shows the structure of control assembly；
Fig. 3 is the circuit diagram of control assembly in the present embodiment.
Appended drawing reference: 1, body；2, water tank；3, water supply pipe；4, solenoid valve；5, control assembly；6, the first connecting plate；7,
Two connecting plates；8, gag lever post；9, low level detection components；10, high-order detection components；11, the first flat thin magnet；12, the dry spring of open type
Pipe；13, circuit capable of delaying disconnection；14, switching circuit；15, the second flat thin magnet；16, normally closed dry reed pipe；17, trigger circuit 18, drift
Floating ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of constant temperature and humidity machine with automatic water supplement function, as shown in Figure 1, including body 1, being installed in body 1
Water tank 2, the water supply pipe 3 extended in water tank 2 is connected on water tank 2, and water supply pipe 3 is connected to municipal water sources after passing through body 1.It mends
Solenoid valve 4 is installed on water pipe 3, solenoid valve 4 is used to control the on-off in water route in water supply pipe 3, when solenoid valve 4 is opened, moisturizing
Water in pipe 3 is filled in water tank 2, and after solenoid valve 4 is closed, water supply pipe 3 adds water no longer into water tank 2.
As shown in Figures 2 and 3, it is the automatic addition for realizing the monitoring of water level in water tank 2, is provided in water tank 2 for examining
It surveys low, high threshold water level in water tank 2 and controls the control assembly 5 that solenoid valve 4 opens and closes.
Control assembly 5 includes the first connecting plate 6 and the second connecting plate 7 being installed on 2 side wall of water tank, the first connecting plate 6
It is arranged in parallel with the second connecting plate 7, gag lever post 8 is fixedly connected between the first connecting plate 6 and the second connecting plate 7, gag lever post 8 is perpendicular
Straight setting, and the horizontal cross-section of gag lever post 8 is rectangular.The floating ring 18 floated on the water surface, floating ring are arranged with outside gag lever post 8
18 are made of light material, such as light plastic, foam etc..It is provided between floating ring 18 and the first connecting plate 6 for examining
Low level threshold is surveyed to the low level detection components 9 of opens solenoid valve 4, is arranged between floating ring 18 and the second connecting plate 7 useful
The high-order detection components 10 of solenoid valve 4 are closed in detection high water level threshold value.
Low level detection components 9 include the first flat thin magnet 11 being fixedly connected on 18 lower surface of floating ring, are fixedly connected on
Open type tongue tube 12 on first connecting plate, 6 upper surface, the circuit capable of delaying disconnection 13 for being coupled to open type tongue tube 12 and
The switching circuit 14 for being coupled to circuit capable of delaying disconnection 13 and being serially connected in 4 current supply circuit of solenoid valve.
In the present embodiment, circuit capable of delaying disconnection 13 is made of NE555 chip and corresponding peripheral circuit.
Switching circuit 14 includes:
NPN triode Q1, base stage are coupled to the output end of circuit capable of delaying disconnection 13, emitter ground connection；
Relay KM1, including coil and normally open contact, coil tandem is in the collector and direct current of NPN triode Q1
Between VCC, normally open contact is serially connected in the current supply circuit of solenoid valve 4；
Sustained diode 1, anode are coupled to the collector of NPN triode Q1, and cathode is coupled to direct current VCC.
When the first flat thin magnet 11 on floating ring 18 triggers open type tongue tube 12, open type tongue tube 12 is connected, and is prolonged
When power-down circuit 13 obtain trigger signal, output end exports high level signal, NPN triode Q1 conducting, the coil of relay KM1
The conducting of place circuit, the coil of relay KM1 obtain electric, and the normally open contact of relay KM1 closure, the current supply circuit of solenoid valve 4 is led
Logical, water supplying pipe supplies water into water tank 2.
Since the delay cut-off of circuit capable of delaying disconnection 13 acts on, even if after floating ring 18 floats with the addition of dampening, switch
Circuit 14 continues the effect for being held on solenoid valve 4, therefore solenoid valve 4 is realized and persistently adds water, until triggering high-order detection components 10
Realize the cutting of 4 current supply circuit of solenoid valve.
High-order detection components 10 include the second flat thin magnet 15 being fixedly connected on 18 upper surface of floating ring, are fixedly connected on
Normally closed dry reed pipe 16 on second connecting plate, 7 lower surface is coupled to normally closed dry reed pipe 16 and powers back for cutting off solenoid valve 4
The trigger circuit 17 on road.
Trigger circuit 17 includes:
PNP triode Q2, base stage are coupled to the output end of normally closed dry reed pipe 16, emitter ground connection；
Relay KM2, including coil, the first normally closed interlock and the second normally closed interlock, coil tandem is in PNP triode Q2
Collector and direct current VCC between, the first normally closed interlock is serially connected in the current supply circuit of solenoid valve 4, the second normally closed touching
Head is serially connected with the reset terminal of circuit capable of delaying disconnection 13；
Sustained diode 2, anode are coupled to the collector of PNP triode Q2, and cathode is coupled to direct current VCC.
When floating ring 18 floats up to the second 7 lower section of connecting plate, the second flat thin magnet 15 disconnects normally closed dry reed pipe 16,
PNP triode Q2 is on state, and the coil of relay KM2 obtains electric, the first normally open contact of relay KM2 and the second normally opened touching
Head disconnects, and the current supply circuit of solenoid valve 4 is cut off, and circuit capable of delaying disconnection 13 resets, and the fixation of solenoid valve 4 is in an off state,
Wait the triggering of next low level detection components 9.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of constant temperature and humidity machine with automatic water supplement function, including body (1), the water tank (2) being installed in body (1),
It is characterized by: being connected on the water tank (2) for the water supply pipe (3) to water tank (2) interior moisturizing, on the water supply pipe (3)
It is equipped with solenoid valve (4), is provided in the water tank (2) for detecting low, high threshold water level in water tank (2) and controlling solenoid valve
(4) control assembly (5) opened and closed.
2. a kind of constant temperature and humidity machine with automatic water supplement function according to claim 1, it is characterised in that: the control
Component (5) includes the first connecting plate (6) and the second connecting plate (7) being installed on water tank (2) side wall, first connecting plate
(6) it is fixedly connected between second connecting plate (7) gag lever post (8), is arranged on the gag lever post (8) and floats on the water surface
On floating ring (18), be provided between the floating ring (18) and the first connecting plate (6) for detect low level threshold to
The low level detection components (9) of opens solenoid valve (4) are provided between the floating ring (18) and the second connecting plate (7) for examining
High water level threshold value is surveyed to close the high-order detection components (10) of solenoid valve (4).
3. a kind of constant temperature and humidity machine with automatic water supplement function according to claim 2, it is characterised in that: the limit
Bar (8) is vertically arranged.
4. a kind of constant temperature and humidity machine with automatic water supplement function according to claim 3, it is characterised in that: the limit
The horizontal cross-section of bar (8) be it is rectangular, floating ring (18) internal ring wall is connected to gag lever post (8).
5. a kind of constant temperature and humidity machine with automatic water supplement function according to claim 4, it is characterised in that: the low level
Detection components (9) include the first flat thin magnet (11) being fixedly connected on floating ring (18) lower surface, are fixedly connected on the first company
Open type tongue tube (12) on fishplate bar (6) upper surface, the circuit capable of delaying disconnection (13) for being coupled to open type tongue tube (12), with
And the switching circuit (14) for being coupled to circuit capable of delaying disconnection (13) and being serially connected in solenoid valve (4) current supply circuit.
6. a kind of constant temperature and humidity machine with automatic water supplement function according to claim 5, which is characterized in that the switch
Circuit (14) includes:
NPN triode Q1, base stage are coupled to the output end of circuit capable of delaying disconnection (13), emitter ground connection；
Relay KM1, including coil and normally open contact, coil tandem in NPN triode Q1 collector and direct current VCC it
Between, normally open contact is serially connected in the current supply circuit of solenoid valve (4)；
Sustained diode 1, anode are coupled to the collector of NPN triode Q1, and cathode is coupled to direct current VCC.
7. a kind of constant temperature and humidity machine with automatic water supplement function according to claim 5, it is characterised in that: the high position
Detection components (10) include the second flat thin magnet (15) being fixedly connected on floating ring (18) upper surface, are fixedly connected on the second company
Normally closed dry reed pipe (16) on fishplate bar (7) lower surface is coupled to normally closed dry reed pipe (16) for cutting off solenoid valve (4) power supply
The trigger circuit (17) in circuit.
8. a kind of constant temperature and humidity machine with automatic water supplement function according to claim 7, which is characterized in that the triggering
Circuit (17) includes:
PNP triode Q2, base stage are coupled to the output end of normally closed dry reed pipe (16), emitter ground connection；
Relay KM2, including coil, the first normally closed interlock and the second normally closed interlock, coil tandem is in the collection of PNP triode Q2
Between electrode and direct current VCC, the first normally closed interlock is serially connected in the current supply circuit of solenoid valve (4), the second normally closed interlock
It is serially connected with the reset terminal of circuit capable of delaying disconnection (13)；
Sustained diode 2, anode are coupled to the collector of PNP triode Q2, and cathode is coupled to direct current VCC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916336.2U CN209044401U (en) | 2018-11-21 | 2018-11-21 | A kind of constant temperature and humidity machine with automatic water supplement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821916336.2U CN209044401U (en) | 2018-11-21 | 2018-11-21 | A kind of constant temperature and humidity machine with automatic water supplement function |
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| Publication Number | Publication Date |
|---|---|
| CN209044401U true CN209044401U (en) | 2019-06-28 |
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ID=67043088
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821916336.2U Active CN209044401U (en) | 2018-11-21 | 2018-11-21 | A kind of constant temperature and humidity machine with automatic water supplement function |
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| Country | Link |
|---|---|
| CN (1) | CN209044401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398454A (en) * | 2019-08-21 | 2019-11-01 | 温州市大荣纺织仪器有限公司 | A kind of solarization climate test machine humidity controlling system and temprature control method |
-
2018
- 2018-11-21 CN CN201821916336.2U patent/CN209044401U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398454A (en) * | 2019-08-21 | 2019-11-01 | 温州市大荣纺织仪器有限公司 | A kind of solarization climate test machine humidity controlling system and temprature control method |
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